Chris@16: //
Chris@16: //  Copyright (c) 2000-2002
Chris@16: //  Joerg Walter, Mathias Koch
Chris@16: //
Chris@16: //  Distributed under the Boost Software License, Version 1.0. (See
Chris@16: //  accompanying file LICENSE_1_0.txt or copy at
Chris@16: //  http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: //  The authors gratefully acknowledge the support of
Chris@16: //  GeNeSys mbH & Co. KG in producing this work.
Chris@16: //
Chris@16: 
Chris@16: #ifndef _BOOST_UBLAS_MATRIX_EXPRESSION_
Chris@16: #define _BOOST_UBLAS_MATRIX_EXPRESSION_
Chris@16: 
Chris@16: #include <boost/numeric/ublas/vector_expression.hpp>
Chris@16: 
Chris@16: // Expression templates based on ideas of Todd Veldhuizen and Geoffrey Furnish
Chris@16: // Iterators based on ideas of Jeremy Siek
Chris@16: //
Chris@16: // Classes that model the Matrix Expression concept
Chris@16: 
Chris@16: namespace boost { namespace numeric { namespace ublas {
Chris@16: 
Chris@16:     template<class E>
Chris@16:     class matrix_reference:
Chris@16:         public matrix_expression<matrix_reference<E> > {
Chris@16: 
Chris@16:         typedef matrix_reference<E> self_type;
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
Chris@16:         using matrix_expression<self_type>::operator ();
Chris@16: #endif
Chris@16:         typedef typename E::size_type size_type;
Chris@16:         typedef typename E::difference_type difference_type;
Chris@16:         typedef typename E::value_type value_type;
Chris@16:         typedef typename E::const_reference const_reference;
Chris@16:         typedef typename boost::mpl::if_<boost::is_const<E>,
Chris@16:                                           typename E::const_reference,
Chris@16:                                           typename E::reference>::type reference;
Chris@16:         typedef E referred_type;
Chris@16:         typedef const self_type const_closure_type;
Chris@16:         typedef self_type closure_type;
Chris@16:         typedef typename E::orientation_category orientation_category;
Chris@16:         typedef typename E::storage_category storage_category;
Chris@16: 
Chris@16:         // Construction and destruction
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         explicit matrix_reference (referred_type &e):
Chris@16:               e_ (e) {}
Chris@16: 
Chris@16:         // Accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size1 () const {
Chris@16:             return e_.size1 ();
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size2 () const {
Chris@16:             return e_.size2 ();
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Expression accessors - const correct
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const referred_type &expression () const {
Chris@16:             return e_;
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         referred_type &expression () {
Chris@16:             return e_;
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Element access
Chris@16: #ifndef BOOST_UBLAS_REFERENCE_CONST_MEMBER
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reference operator () (size_type i, size_type j) const {
Chris@16:             return expression () (i, j);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         reference operator () (size_type i, size_type j) {
Chris@16:             return expression () (i, j);
Chris@16:         }
Chris@16: #else
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         reference operator () (size_type i, size_type j) const {
Chris@16:             return expression () (i, j);
Chris@16:         }
Chris@16: #endif
Chris@16: 
Chris@16:         // Assignment
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_reference &operator = (const matrix_reference &m) {
Chris@16:             expression ().operator = (m);
Chris@16:             return *this;
Chris@16:         }
Chris@16:         template<class AE>
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_reference &operator = (const matrix_expression<AE> &ae) {
Chris@16:             expression ().operator = (ae);
Chris@16:             return *this;
Chris@16:         }
Chris@16:         template<class AE>
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_reference &assign (const matrix_expression<AE> &ae) {
Chris@16:             expression ().assign (ae);
Chris@16:             return *this;
Chris@16:         }
Chris@16:         template<class AE>
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_reference &operator += (const matrix_expression<AE> &ae) {
Chris@16:             expression ().operator += (ae);
Chris@16:             return *this;
Chris@16:         }
Chris@16:         template<class AE>
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_reference &plus_assign (const matrix_expression<AE> &ae) {
Chris@16:             expression ().plus_assign (ae);
Chris@16:             return *this;
Chris@16:         }
Chris@16:         template<class AE>
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_reference &operator -= (const matrix_expression<AE> &ae) {
Chris@16:             expression ().operator -= (ae);
Chris@16:             return *this;
Chris@16:         }
Chris@16:         template<class AE>
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_reference &minus_assign (const matrix_expression<AE> &ae) {
Chris@16:             expression ().minus_assign (ae);
Chris@16:             return *this;
Chris@16:         }
Chris@16:         template<class AT>
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_reference &operator *= (const AT &at) {
Chris@16:             expression ().operator *= (at);
Chris@16:             return *this;
Chris@16:         }
Chris@16:         template<class AT>
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_reference &operator /= (const AT &at) {
Chris@16:             expression ().operator /= (at);
Chris@16:             return *this;
Chris@16:         }
Chris@16: 
Chris@16:          // Swapping
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         void swap (matrix_reference &m) {
Chris@16:             expression ().swap (m.expression ());
Chris@16:         }
Chris@16: 
Chris@16:         // Closure comparison
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         bool same_closure (const matrix_reference &mr) const {
Chris@16:             return &(*this).e_ == &mr.e_;
Chris@16:         }
Chris@16: 
Chris@16:         // Iterator types
Chris@16:         typedef typename E::const_iterator1 const_iterator1;
Chris@16:         typedef typename boost::mpl::if_<boost::is_const<E>,
Chris@16:                                           typename E::const_iterator1,
Chris@16:                                           typename E::iterator1>::type iterator1;
Chris@16:         typedef typename E::const_iterator2 const_iterator2;
Chris@16:         typedef typename boost::mpl::if_<boost::is_const<E>,
Chris@16:                                           typename E::const_iterator2,
Chris@16:                                           typename E::iterator2>::type iterator2;
Chris@16: 
Chris@16:         // Element lookup
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 find1 (int rank, size_type i, size_type j) const {
Chris@16:             return expression ().find1 (rank, i, j);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         iterator1 find1 (int rank, size_type i, size_type j) {
Chris@16:             return expression ().find1 (rank, i, j);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 find2 (int rank, size_type i, size_type j) const {
Chris@16:             return expression ().find2 (rank, i, j);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         iterator2 find2 (int rank, size_type i, size_type j) {
Chris@16:             return expression ().find2 (rank, i, j);
Chris@16:         }
Chris@16: 
Chris@16:         // Iterators are the iterators of the referenced expression.
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 begin1 () const {
Chris@16:             return expression ().begin1 ();
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cbegin1 () const {
Chris@101:             return begin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 end1 () const {
Chris@16:             return expression ().end1 ();
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cend1 () const {
Chris@101:             return end1 ();
Chris@101:         }
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         iterator1 begin1 () {
Chris@16:             return expression ().begin1 ();
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         iterator1 end1 () {
Chris@16:             return expression ().end1 ();
Chris@16:         }
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 begin2 () const {
Chris@16:             return expression ().begin2 ();
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cbegin2 () const {
Chris@101:             return begin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 end2 () const {
Chris@16:             return expression ().end2 ();
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cend2 () const {
Chris@101:             return end2 ();
Chris@101:         }
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         iterator2 begin2 () {
Chris@16:             return expression ().begin2 ();
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         iterator2 end2 () {
Chris@16:             return expression ().end2 ();
Chris@16:         }
Chris@16: 
Chris@16:         // Reverse iterators
Chris@16:         typedef reverse_iterator_base1<const_iterator1> const_reverse_iterator1;
Chris@16:         typedef reverse_iterator_base1<iterator1> reverse_iterator1;
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rbegin1 () const {
Chris@16:             return const_reverse_iterator1 (end1 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crbegin1 () const {
Chris@101:             return rbegin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rend1 () const {
Chris@16:             return const_reverse_iterator1 (begin1 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crend1 () const {
Chris@101:             return rend1 ();
Chris@101:         }
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         reverse_iterator1 rbegin1 () {
Chris@16:             return reverse_iterator1 (end1 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         reverse_iterator1 rend1 () {
Chris@16:             return reverse_iterator1 (begin1 ());
Chris@16:         }
Chris@16: 
Chris@16:         typedef reverse_iterator_base2<const_iterator2> const_reverse_iterator2;
Chris@16:         typedef reverse_iterator_base2<iterator2> reverse_iterator2;
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rbegin2 () const {
Chris@16:             return const_reverse_iterator2 (end2 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crbegin2 () const {
Chris@101:             return rbegin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rend2 () const {
Chris@16:             return const_reverse_iterator2 (begin2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crend2 () const {
Chris@101:             return rend2 ();
Chris@101:         }
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         reverse_iterator2 rbegin2 () {
Chris@16:             return reverse_iterator2 (end2 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         reverse_iterator2 rend2 () {
Chris@16:             return reverse_iterator2 (begin2 ());
Chris@16:         }
Chris@16: 
Chris@16:     private:
Chris@16:         referred_type &e_;
Chris@16:     };
Chris@16: 
Chris@16: 
Chris@16:     template<class E1, class E2, class F>
Chris@16:     class vector_matrix_binary:
Chris@16:         public matrix_expression<vector_matrix_binary<E1, E2, F> > {
Chris@16: 
Chris@16:         typedef E1 expression1_type;
Chris@16:         typedef E2 expression2_type;
Chris@16:     public:
Chris@16:         typedef typename E1::const_closure_type expression1_closure_type;
Chris@16:         typedef typename E2::const_closure_type expression2_closure_type;
Chris@16:     private:
Chris@16:         typedef vector_matrix_binary<E1, E2, F> self_type;
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
Chris@16:         using matrix_expression<self_type>::operator ();
Chris@16: #endif
Chris@16:         typedef F functor_type;
Chris@16:         typedef typename promote_traits<typename E1::size_type, typename E2::size_type>::promote_type size_type;
Chris@16:         typedef typename promote_traits<typename E1::difference_type, typename E2::difference_type>::promote_type difference_type;
Chris@16:         typedef typename F::result_type value_type;
Chris@16:         typedef value_type const_reference;
Chris@16:         typedef const_reference reference;
Chris@16:         typedef const self_type const_closure_type;
Chris@16:         typedef const_closure_type closure_type;
Chris@16:         typedef unknown_orientation_tag orientation_category;
Chris@16:         typedef unknown_storage_tag storage_category;
Chris@16: 
Chris@16:         // Construction and destruction 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         vector_matrix_binary (const expression1_type &e1, const expression2_type &e2): 
Chris@16:             e1_ (e1), e2_ (e2) {}
Chris@16: 
Chris@16:         // Accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size1 () const {
Chris@16:             return e1_.size ();
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size2 () const { 
Chris@16:             return e2_.size ();
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Expression accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression1_closure_type &expression1 () const {
Chris@16:             return e1_;
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression2_closure_type &expression2 () const {
Chris@16:             return e2_;
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Element access
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reference operator () (size_type i, size_type j) const {
Chris@16:             return functor_type::apply (e1_ (i), e2_ (j));
Chris@16:         }
Chris@16: 
Chris@16:         // Closure comparison
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         bool same_closure (const vector_matrix_binary &vmb) const {
Chris@16:             return (*this).expression1 ().same_closure (vmb.expression1 ()) &&
Chris@16:                    (*this).expression2 ().same_closure (vmb.expression2 ());
Chris@16:         }
Chris@16: 
Chris@16:         // Iterator types
Chris@16:     private:
Chris@16:         typedef typename E1::const_iterator const_subiterator1_type;
Chris@16:         typedef typename E2::const_iterator const_subiterator2_type;
Chris@16:         typedef const value_type *const_pointer;
Chris@16: 
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         typedef typename iterator_restrict_traits<typename const_subiterator1_type::iterator_category,
Chris@16:                                                   typename const_subiterator2_type::iterator_category>::iterator_category iterator_category;
Chris@16:         typedef indexed_const_iterator1<const_closure_type, iterator_category> const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         typedef indexed_const_iterator2<const_closure_type, iterator_category> const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #else
Chris@16:         class const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         class const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #endif
Chris@16:         typedef reverse_iterator_base1<const_iterator1> const_reverse_iterator1;
Chris@16:         typedef reverse_iterator_base2<const_iterator2> const_reverse_iterator2;
Chris@16: 
Chris@16:         // Element lookup
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 find1 (int rank, size_type i, size_type j) const {
Chris@16:             const_subiterator1_type it1 (e1_.find (i));
Chris@16:             const_subiterator1_type it1_end (e1_.find (size1 ()));
Chris@16:             const_subiterator2_type it2 (e2_.find (j));
Chris@16:             const_subiterator2_type it2_end (e2_.find (size2 ()));
Chris@16:             if (it2 == it2_end || (rank == 1 && (it2.index () != j || *it2 == value_type/*zero*/()))) {
Chris@16:                 it1 = it1_end;
Chris@16:                 it2 = it2_end;
Chris@16:             }
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator1 (*this, it1.index (), it2.index ());
Chris@16: #else
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             return const_iterator1 (*this, it1, it2, it2 != it2_end ? *it2 : value_type/*zero*/());
Chris@16: #else
Chris@16:             return const_iterator1 (*this, it1, it2);
Chris@16: #endif
Chris@16: #endif
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 find2 (int rank, size_type i, size_type j) const {
Chris@16:             const_subiterator2_type it2 (e2_.find (j));
Chris@16:             const_subiterator2_type it2_end (e2_.find (size2 ()));
Chris@16:             const_subiterator1_type it1 (e1_.find (i));
Chris@16:             const_subiterator1_type it1_end (e1_.find (size1 ()));
Chris@16:             if (it1 == it1_end || (rank == 1 && (it1.index () != i || *it1 == value_type/*zero*/()))) {
Chris@16:                 it2 = it2_end;
Chris@16:                 it1 = it1_end;
Chris@16:             }
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator2 (*this, it1.index (), it2.index ());
Chris@16: #else
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             return const_iterator2 (*this, it1, it2, it1 != it1_end ? *it1 : value_type/*zero*/());
Chris@16: #else
Chris@16:             return const_iterator2 (*this, it1, it2);
Chris@16: #endif
Chris@16: #endif
Chris@16:         }
Chris@16: 
Chris@16:         // Iterators enhance the iterators of the referenced expressions
Chris@16:         // with the binary functor.
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator1:
Chris@16:             public container_const_reference<vector_matrix_binary>,
Chris@16:             public iterator_base_traits<typename iterator_restrict_traits<typename E1::const_iterator::iterator_category,
Chris@16:                                                                           typename E2::const_iterator::iterator_category>::iterator_category>::template
Chris@16:                 iterator_base<const_iterator1, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename iterator_restrict_traits<typename E1::const_iterator::iterator_category,
Chris@16:                                                       typename E2::const_iterator::iterator_category>::iterator_category iterator_category;
Chris@16:             typedef typename vector_matrix_binary::difference_type difference_type;
Chris@16:             typedef typename vector_matrix_binary::value_type value_type;
Chris@16:             typedef typename vector_matrix_binary::const_reference reference;
Chris@16:             typedef typename vector_matrix_binary::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator2 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator2 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), it2_ (), t2_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 (const self_type &vmb, const const_subiterator1_type &it1, const const_subiterator2_type &it2, value_type t2):
Chris@16:                 container_const_reference<self_type> (vmb), it1_ (it1), it2_ (it2), t2_ (t2) {}
Chris@16: #else
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), it2_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 (const self_type &vmb, const const_subiterator1_type &it1, const const_subiterator2_type &it2):
Chris@16:                 container_const_reference<self_type> (vmb), it1_ (it1), it2_ (it2) {}
Chris@16: #endif
Chris@16: 
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator ++ () {
Chris@16:                 ++ it1_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -- () {
Chris@16:                 -- it1_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator += (difference_type n) {
Chris@16:                 it1_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -= (difference_type n) {
Chris@16:                 it1_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
Chris@16:                 return it1_ - it.it1_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (*it1_, t2_);
Chris@16: #else
Chris@16:                 return functor_type::apply (*it1_, *it2_);
Chris@16: #endif
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator2 begin () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), 0);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator2 end () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), (*this) ().size2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rbegin () const {
Chris@16:                 return const_reverse_iterator2 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator2 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rend () const {
Chris@16:                 return const_reverse_iterator2 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator2 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return it1_.index ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type  index2 () const {
Chris@16:                 return it2_.index ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator = (const const_iterator1 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it1_ = it.it1_;
Chris@16:                 it2_ = it.it2_;
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 t2_ = it.t2_;
Chris@16: #endif
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
Chris@16:                 return it1_ == it.it1_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
Chris@16:                 return it1_ < it.it1_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             const_subiterator1_type it1_;
Chris@16:             // Mutable due to assignment
Chris@16:             /* const */ const_subiterator2_type it2_;
Chris@16:             value_type t2_;
Chris@16: #else
Chris@16:             const_subiterator1_type it1_;
Chris@16:             const_subiterator2_type it2_;
Chris@16: #endif
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 begin1 () const {
Chris@16:             return find1 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cbegin1 () const {
Chris@101:             return begin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 end1 () const {
Chris@16:             return find1 (0, size1 (), 0);
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cend1 () const {
Chris@101:             return end1 ();
Chris@101:         }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator2:
Chris@16:             public container_const_reference<vector_matrix_binary>,
Chris@16:             public iterator_base_traits<typename iterator_restrict_traits<typename E1::const_iterator::iterator_category,
Chris@16:                                                                           typename E2::const_iterator::iterator_category>::iterator_category>::template
Chris@16:                 iterator_base<const_iterator2, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename iterator_restrict_traits<typename E1::const_iterator::iterator_category, 
Chris@16:                                                       typename E2::const_iterator::iterator_category>::iterator_category iterator_category;
Chris@16:             typedef typename vector_matrix_binary::difference_type difference_type;
Chris@16:             typedef typename vector_matrix_binary::value_type value_type;
Chris@16:             typedef typename vector_matrix_binary::const_reference reference;
Chris@16:             typedef typename vector_matrix_binary::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator1 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator1 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), it2_ (), t1_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 (const self_type &vmb, const const_subiterator1_type &it1, const const_subiterator2_type &it2, value_type t1):
Chris@16:                 container_const_reference<self_type> (vmb), it1_ (it1), it2_ (it2), t1_ (t1) {}
Chris@16: #else
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), it2_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 (const self_type &vmb, const const_subiterator1_type &it1, const const_subiterator2_type &it2):
Chris@16:                 container_const_reference<self_type> (vmb), it1_ (it1), it2_ (it2) {}
Chris@16: #endif
Chris@16: 
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator ++ () {
Chris@16:                 ++ it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -- () {
Chris@16:                 -- it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator += (difference_type n) {
Chris@16:                 it2_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -= (difference_type n) {
Chris@16:                 it2_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure(it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
Chris@16:                 return it2_ - it.it2_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (t1_, *it2_);
Chris@16: #else
Chris@16:                 return functor_type::apply (*it1_, *it2_);
Chris@16: #endif
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator1 begin () const {
Chris@16:                 return (*this) ().find1 (1, 0, index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator1 end () const {
Chris@16:                 return (*this) ().find1 (1, (*this) ().size1 (), index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rbegin () const {
Chris@16:                 return const_reverse_iterator1 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator1 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rend () const {
Chris@16:                 return const_reverse_iterator1 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator1 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return it1_.index ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type  index2 () const {
Chris@16:                 return it2_.index ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator = (const const_iterator2 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it1_ = it.it1_;
Chris@16:                 it2_ = it.it2_;
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 t1_ = it.t1_;
Chris@16: #endif
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure( it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
Chris@16:                 return it2_ == it.it2_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
Chris@16:                 return it2_ < it.it2_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             // Mutable due to assignment
Chris@16:             /* const */ const_subiterator1_type it1_;
Chris@16:             const_subiterator2_type it2_;
Chris@16:             value_type t1_;
Chris@16: #else
Chris@16:             const_subiterator1_type it1_;
Chris@16:             const_subiterator2_type it2_;
Chris@16: #endif
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 begin2 () const {
Chris@16:             return find2 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cbegin2 () const {
Chris@101:             return begin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 end2 () const {
Chris@16:             return find2 (0, 0, size2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cend2 () const {
Chris@101:             return end2 ();
Chris@101:         }
Chris@16: 
Chris@16:         // Reverse iterators
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rbegin1 () const {
Chris@16:             return const_reverse_iterator1 (end1 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crbegin1 () const {
Chris@101:             return rbegin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rend1 () const {
Chris@16:             return const_reverse_iterator1 (begin1 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crend1 () const {
Chris@101:             return rend1 ();
Chris@101:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rbegin2 () const {
Chris@16:             return const_reverse_iterator2 (end2 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crbegin2 () const {
Chris@101:             return rbegin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rend2 () const {
Chris@16:             return const_reverse_iterator2 (begin2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crend2 () const {
Chris@101:             return rend2 ();
Chris@101:         }
Chris@16: 
Chris@16:     private:
Chris@16:         expression1_closure_type e1_;
Chris@16:         expression2_closure_type e2_;
Chris@16:     };
Chris@16: 
Chris@16:     template<class E1, class E2, class F>
Chris@16:     struct vector_matrix_binary_traits {
Chris@16:         typedef vector_matrix_binary<E1, E2, F> expression_type;
Chris@16: #ifndef BOOST_UBLAS_SIMPLE_ET_DEBUG
Chris@16:         typedef expression_type result_type; 
Chris@16: #else
Chris@16:         // ISSUE matrix is arbitary temporary type
Chris@16:         typedef matrix<typename F::value_type> result_type;
Chris@16: #endif
Chris@16:     };
Chris@16: 
Chris@16:     // (outer_prod (v1, v2)) [i] [j] = v1 [i] * v2 [j]
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename vector_matrix_binary_traits<E1, E2, scalar_multiplies<typename E1::value_type, typename E2::value_type> >::result_type
Chris@16:     outer_prod (const vector_expression<E1> &e1,
Chris@16:                 const vector_expression<E2> &e2) {
Chris@16:         BOOST_STATIC_ASSERT (E1::complexity == 0 && E2::complexity == 0);
Chris@16:         typedef typename vector_matrix_binary_traits<E1, E2, scalar_multiplies<typename E1::value_type, typename E2::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2 ());
Chris@16:     }
Chris@16: 
Chris@16:     template<class E, class F>
Chris@16:     class matrix_unary1:
Chris@16:         public matrix_expression<matrix_unary1<E, F> > {
Chris@16: 
Chris@16:         typedef E expression_type;
Chris@16:         typedef F functor_type;
Chris@16:     public:
Chris@16:         typedef typename E::const_closure_type expression_closure_type;
Chris@16:     private:
Chris@16:         typedef matrix_unary1<E, F> self_type;
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
Chris@16:         using matrix_expression<self_type>::operator ();
Chris@16: #endif
Chris@16:         typedef typename E::size_type size_type;
Chris@16:         typedef typename E::difference_type difference_type;
Chris@16:         typedef typename F::result_type value_type;
Chris@16:         typedef value_type const_reference;
Chris@16:         typedef const_reference reference;
Chris@16:         typedef const self_type const_closure_type;
Chris@16:         typedef const_closure_type closure_type;
Chris@16:         typedef typename E::orientation_category orientation_category;
Chris@16:         typedef unknown_storage_tag storage_category;
Chris@16: 
Chris@16:         // Construction and destruction
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         explicit matrix_unary1 (const expression_type &e):
Chris@16:             e_ (e) {}
Chris@16: 
Chris@16:         // Accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size1 () const {
Chris@16:             return e_.size1 ();
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size2 () const {
Chris@16:             return e_.size2 ();
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Expression accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression_closure_type &expression () const {
Chris@16:             return e_;
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Element access
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reference operator () (size_type i, size_type j) const {
Chris@16:             return functor_type::apply (e_ (i, j));
Chris@16:         }
Chris@16: 
Chris@16:         // Closure comparison
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         bool same_closure (const matrix_unary1 &mu1) const {
Chris@16:             return (*this).expression ().same_closure (mu1.expression ());
Chris@16:         }
Chris@16: 
Chris@16:         // Iterator types
Chris@16:     private:
Chris@16:         typedef typename E::const_iterator1 const_subiterator1_type;
Chris@16:         typedef typename E::const_iterator2 const_subiterator2_type;
Chris@16:         typedef const value_type *const_pointer;
Chris@16: 
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         typedef indexed_const_iterator1<const_closure_type, typename const_subiterator1_type::iterator_category> const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         typedef indexed_const_iterator2<const_closure_type, typename const_subiterator2_type::iterator_category> const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #else
Chris@16:         class const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         class const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #endif
Chris@16:         typedef reverse_iterator_base1<const_iterator1> const_reverse_iterator1;
Chris@16:         typedef reverse_iterator_base2<const_iterator2> const_reverse_iterator2;
Chris@16: 
Chris@16:         // Element lookup
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 find1 (int rank, size_type i, size_type j) const {
Chris@16:             const_subiterator1_type it1 (e_.find1 (rank, i, j));
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator1 (*this, it1.index1 (), it1.index2 ());
Chris@16: #else
Chris@16:             return const_iterator1 (*this, it1);
Chris@16: #endif
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 find2 (int rank, size_type i, size_type j) const {
Chris@16:             const_subiterator2_type it2 (e_.find2 (rank, i, j));
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator2 (*this, it2.index1 (), it2.index2 ());
Chris@16: #else
Chris@16:             return const_iterator2 (*this, it2);
Chris@16: #endif
Chris@16:         }
Chris@16: 
Chris@16:         // Iterators enhance the iterators of the referenced expression
Chris@16:         // with the unary functor.
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator1:
Chris@16:             public container_const_reference<matrix_unary1>,
Chris@16:             public iterator_base_traits<typename E::const_iterator1::iterator_category>::template
Chris@16:                 iterator_base<const_iterator1, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename E::const_iterator1::iterator_category iterator_category;
Chris@16:             typedef typename matrix_unary1::difference_type difference_type;
Chris@16:             typedef typename matrix_unary1::value_type value_type;
Chris@16:             typedef typename matrix_unary1::const_reference reference;
Chris@16:             typedef typename matrix_unary1::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator2 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator2 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 ():
Chris@16:                 container_const_reference<self_type> (), it_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 (const self_type &mu, const const_subiterator1_type &it):
Chris@16:                 container_const_reference<self_type> (mu), it_ (it) {}
Chris@16: 
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator ++ () {
Chris@16:                 ++ it_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -- () {
Chris@16:                 -- it_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator += (difference_type n) {
Chris@16:                 it_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -= (difference_type n) {
Chris@16:                 it_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it_ - it.it_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return functor_type::apply (*it_);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator2 begin () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), 0);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator2 end () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), (*this) ().size2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rbegin () const {
Chris@16:                 return const_reverse_iterator2 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator2 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rend () const {
Chris@16:                 return const_reverse_iterator2 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator2 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return it_.index1 ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index2 () const {
Chris@16:                 return it_.index2 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment 
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator = (const const_iterator1 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it_ = it.it_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it_ == it.it_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it_ < it.it_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             const_subiterator1_type it_;
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 begin1 () const {
Chris@16:             return find1 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cbegin1 () const {
Chris@101:             return begin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 end1 () const {
Chris@16:             return find1 (0, size1 (), 0);
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cend1 () const {
Chris@101:             return end1 ();
Chris@101:         }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator2:
Chris@16:             public container_const_reference<matrix_unary1>,
Chris@16:             public iterator_base_traits<typename E::const_iterator2::iterator_category>::template
Chris@16:                 iterator_base<const_iterator2, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename E::const_iterator2::iterator_category iterator_category;
Chris@16:             typedef typename matrix_unary1::difference_type difference_type;
Chris@16:             typedef typename matrix_unary1::value_type value_type;
Chris@16:             typedef typename matrix_unary1::const_reference reference;
Chris@16:             typedef typename matrix_unary1::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator1 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator1 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 ():
Chris@16:                 container_const_reference<self_type> (), it_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 (const self_type &mu, const const_subiterator2_type &it):
Chris@16:                 container_const_reference<self_type> (mu), it_ (it) {}
Chris@16: 
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator ++ () {
Chris@16:                 ++ it_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -- () {
Chris@16:                 -- it_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator += (difference_type n) {
Chris@16:                 it_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -= (difference_type n) {
Chris@16:                 it_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it_ - it.it_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return functor_type::apply (*it_);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator1 begin () const {
Chris@16:                 return (*this) ().find1 (1, 0, index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator1 end () const {
Chris@16:                 return (*this) ().find1 (1, (*this) ().size1 (), index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rbegin () const {
Chris@16:                 return const_reverse_iterator1 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator1 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rend () const {
Chris@16:                 return const_reverse_iterator1 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator1 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return it_.index1 ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index2 () const {
Chris@16:                 return it_.index2 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment 
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator = (const const_iterator2 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it_ = it.it_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it_ == it.it_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it_ < it.it_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             const_subiterator2_type it_;
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 begin2 () const {
Chris@16:             return find2 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cbegin2 () const {
Chris@101:             return begin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 end2 () const {
Chris@16:             return find2 (0, 0, size2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cend2 () const {
Chris@101:             return end2 ();
Chris@101:         }
Chris@16: 
Chris@16:         // Reverse iterators
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rbegin1 () const {
Chris@16:             return const_reverse_iterator1 (end1 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crbegin1 () const {
Chris@101:             return rbegin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rend1 () const {
Chris@16:             return const_reverse_iterator1 (begin1 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crend1 () const {
Chris@101:             return rend1 ();
Chris@101:         }
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rbegin2 () const {
Chris@16:             return const_reverse_iterator2 (end2 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crbegin2 () const {
Chris@101:             return rbegin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rend2 () const {
Chris@16:             return const_reverse_iterator2 (begin2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crend2 () const {
Chris@101:             return rend2 ();
Chris@101:         }
Chris@16: 
Chris@16:     private:
Chris@16:         expression_closure_type e_;
Chris@16:     };
Chris@16: 
Chris@16:     template<class E, class F>
Chris@16:     struct matrix_unary1_traits {
Chris@16:         typedef matrix_unary1<E, F> expression_type;
Chris@16: #ifndef BOOST_UBLAS_SIMPLE_ET_DEBUG
Chris@16:         typedef expression_type result_type; 
Chris@16: #else
Chris@16:         typedef typename E::matrix_temporary_type result_type;
Chris@16: #endif
Chris@16:     };
Chris@16: 
Chris@16:     // (- m) [i] [j] = - m [i] [j]
Chris@16:     template<class E>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_unary1_traits<E, scalar_negate<typename E::value_type> >::result_type
Chris@16:     operator - (const matrix_expression<E> &e) {
Chris@16:         typedef typename matrix_unary1_traits<E, scalar_negate<typename E::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e ());
Chris@16:     }
Chris@16: 
Chris@16:     // (conj m) [i] [j] = conj (m [i] [j])
Chris@16:     template<class E> 
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_unary1_traits<E, scalar_conj<typename E::value_type> >::result_type
Chris@16:     conj (const matrix_expression<E> &e) {
Chris@16:         typedef typename matrix_unary1_traits<E, scalar_conj<typename E::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e ());
Chris@16:     }
Chris@16: 
Chris@16:     // (real m) [i] [j] = real (m [i] [j])
Chris@16:     template<class E> 
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_unary1_traits<E, scalar_real<typename E::value_type> >::result_type
Chris@16:     real (const matrix_expression<E> &e) {
Chris@16:         typedef typename matrix_unary1_traits<E, scalar_real<typename E::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e ());
Chris@16:     }
Chris@16: 
Chris@16:     // (imag m) [i] [j] = imag (m [i] [j])
Chris@16:     template<class E> 
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_unary1_traits<E, scalar_imag<typename E::value_type> >::result_type
Chris@16:     imag (const matrix_expression<E> &e) {
Chris@16:         typedef typename matrix_unary1_traits<E, scalar_imag<typename E::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e ());
Chris@16:     }
Chris@16: 
Chris@16:     template<class E, class F>
Chris@16:     class matrix_unary2:
Chris@16:         public matrix_expression<matrix_unary2<E, F> > {
Chris@16: 
Chris@16:         typedef typename boost::mpl::if_<boost::is_same<F, scalar_identity<typename E::value_type> >,
Chris@16:                                           E,
Chris@16:                                           const E>::type expression_type;
Chris@16:         typedef F functor_type;
Chris@16:     public:
Chris@16:         typedef typename boost::mpl::if_<boost::is_const<expression_type>,
Chris@16:                                           typename E::const_closure_type,
Chris@16:                                           typename E::closure_type>::type expression_closure_type;
Chris@16:     private:
Chris@16:         typedef matrix_unary2<E, F> self_type;
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
Chris@16:         using matrix_expression<self_type>::operator ();
Chris@16: #endif
Chris@16:         typedef typename E::size_type size_type;
Chris@16:         typedef typename E::difference_type difference_type;
Chris@16:         typedef typename F::result_type value_type;
Chris@16:         typedef value_type const_reference;
Chris@16:         typedef typename boost::mpl::if_<boost::is_same<F, scalar_identity<value_type> >,
Chris@16:                                           typename E::reference,
Chris@16:                                           value_type>::type reference;
Chris@16: 
Chris@16:         typedef const self_type const_closure_type;
Chris@16:         typedef self_type closure_type;
Chris@16:         typedef typename boost::mpl::if_<boost::is_same<typename E::orientation_category,
Chris@16:                                                          row_major_tag>,
Chris@16:                                           column_major_tag,
Chris@16:                 typename boost::mpl::if_<boost::is_same<typename E::orientation_category,
Chris@16:                                                          column_major_tag>,
Chris@16:                                           row_major_tag,
Chris@16:                                           typename E::orientation_category>::type>::type orientation_category;
Chris@16:         typedef typename E::storage_category storage_category;
Chris@16: 
Chris@16:         // Construction and destruction
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         // matrix_unary2 may be used as mutable expression -
Chris@16:         // this is the only non const expression constructor
Chris@16:         explicit matrix_unary2 (expression_type &e):
Chris@16:             e_ (e) {}
Chris@16: 
Chris@16:         // Accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size1 () const {
Chris@16:             return e_.size2 ();
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size2 () const {
Chris@16:             return e_.size1 ();
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Expression accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression_closure_type &expression () const {
Chris@16:             return e_;
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Element access
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reference operator () (size_type i, size_type j) const {
Chris@16:             return functor_type::apply (e_ (j, i));
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         reference operator () (size_type i, size_type j) {
Chris@16:             BOOST_STATIC_ASSERT ((boost::is_same<functor_type, scalar_identity<value_type > >::value));
Chris@16:             return e_ (j, i);
Chris@16:         }
Chris@16: 
Chris@16:         // Closure comparison
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         bool same_closure (const matrix_unary2 &mu2) const {
Chris@16:             return (*this).expression ().same_closure (mu2.expression ());
Chris@16:         }
Chris@16: 
Chris@16:         // Iterator types
Chris@16:     private:
Chris@16:         typedef typename E::const_iterator1 const_subiterator2_type;
Chris@16:         typedef typename E::const_iterator2 const_subiterator1_type;
Chris@16:         typedef const value_type *const_pointer;
Chris@16: 
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         typedef indexed_const_iterator1<const_closure_type, typename const_subiterator1_type::iterator_category> const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         typedef indexed_const_iterator2<const_closure_type, typename const_subiterator2_type::iterator_category> const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #else
Chris@16:         class const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         class const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #endif
Chris@16:         typedef reverse_iterator_base1<const_iterator1> const_reverse_iterator1;
Chris@16:         typedef reverse_iterator_base2<const_iterator2> const_reverse_iterator2;
Chris@16: 
Chris@16:         // Element lookup
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 find1 (int rank, size_type i, size_type j) const {
Chris@16:             const_subiterator1_type it1 (e_.find2 (rank, j, i));
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator1 (*this, it1.index2 (), it1.index1 ());
Chris@16: #else
Chris@16:             return const_iterator1 (*this, it1);
Chris@16: #endif
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 find2 (int rank, size_type i, size_type j) const {
Chris@16:             const_subiterator2_type it2 (e_.find1 (rank, j, i));
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator2 (*this, it2.index2 (), it2.index1 ());
Chris@16: #else
Chris@16:             return const_iterator2 (*this, it2);
Chris@16: #endif
Chris@16:         }
Chris@16: 
Chris@16:         // Iterators enhance the iterators of the referenced expression
Chris@16:         // with the unary functor.
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator1:
Chris@16:             public container_const_reference<matrix_unary2>,
Chris@16:             public iterator_base_traits<typename E::const_iterator2::iterator_category>::template
Chris@16:                 iterator_base<const_iterator1, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename E::const_iterator2::iterator_category iterator_category;
Chris@16:             typedef typename matrix_unary2::difference_type difference_type;
Chris@16:             typedef typename matrix_unary2::value_type value_type;
Chris@16:             typedef typename matrix_unary2::const_reference reference;
Chris@16:             typedef typename matrix_unary2::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator2 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator2 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 ():
Chris@16:                 container_const_reference<self_type> (), it_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 (const self_type &mu, const const_subiterator1_type &it):
Chris@16:                 container_const_reference<self_type> (mu), it_ (it) {}
Chris@16: 
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator ++ () {
Chris@16:                 ++ it_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -- () {
Chris@16:                 -- it_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator += (difference_type n) {
Chris@16:                 it_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -= (difference_type n) {
Chris@16:                 it_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it_ - it.it_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return functor_type::apply (*it_);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator2 begin () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), 0);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator2 end () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), (*this) ().size2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rbegin () const {
Chris@16:                 return const_reverse_iterator2 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator2 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rend () const {
Chris@16:                 return const_reverse_iterator2 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator2 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return it_.index2 ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index2 () const {
Chris@16:                 return it_.index1 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment 
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator = (const const_iterator1 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it_ = it.it_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it_ == it.it_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it_ < it.it_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             const_subiterator1_type it_;
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 begin1 () const {
Chris@16:             return find1 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cbegin1 () const {
Chris@101:             return begin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 end1 () const {
Chris@16:             return find1 (0, size1 (), 0);
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cend1 () const {
Chris@101:             return end1 ();
Chris@101:         }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator2:
Chris@16:             public container_const_reference<matrix_unary2>,
Chris@16:             public iterator_base_traits<typename E::const_iterator1::iterator_category>::template
Chris@16:                 iterator_base<const_iterator2, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename E::const_iterator1::iterator_category iterator_category;
Chris@16:             typedef typename matrix_unary2::difference_type difference_type;
Chris@16:             typedef typename matrix_unary2::value_type value_type;
Chris@16:             typedef typename matrix_unary2::const_reference reference;
Chris@16:             typedef typename matrix_unary2::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator1 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator1 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 ():
Chris@16:                 container_const_reference<self_type> (), it_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 (const self_type &mu, const const_subiterator2_type &it):
Chris@16:                 container_const_reference<self_type> (mu), it_ (it) {}
Chris@16: 
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator ++ () {
Chris@16:                 ++ it_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -- () {
Chris@16:                 -- it_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator += (difference_type n) {
Chris@16:                 it_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -= (difference_type n) {
Chris@16:                 it_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it_ - it.it_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return functor_type::apply (*it_);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator1 begin () const {
Chris@16:                 return (*this) ().find1 (1, 0, index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator1 end () const {
Chris@16:                 return (*this) ().find1 (1, (*this) ().size1 (), index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rbegin () const {
Chris@16:                 return const_reverse_iterator1 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator1 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rend () const {
Chris@16:                 return const_reverse_iterator1 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator1 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return it_.index2 ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index2 () const {
Chris@16:                 return it_.index1 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator = (const const_iterator2 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it_ = it.it_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it_ == it.it_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it_ < it.it_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             const_subiterator2_type it_;
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 begin2 () const {
Chris@16:             return find2 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cbegin2 () const {
Chris@101:             return begin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 end2 () const {
Chris@16:             return find2 (0, 0, size2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cend2 () const {
Chris@101:             return end2 ();
Chris@101:         }
Chris@16: 
Chris@16:         // Reverse iterators
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rbegin1 () const {
Chris@16:             return const_reverse_iterator1 (end1 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crbegin1 () const {
Chris@101:             return rbegin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rend1 () const {
Chris@16:             return const_reverse_iterator1 (begin1 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crend1 () const {
Chris@101:             return rend1 ();
Chris@101:         }
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rbegin2 () const {
Chris@16:             return const_reverse_iterator2 (end2 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crbegin2 () const {
Chris@101:             return rbegin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rend2 () const {
Chris@16:             return const_reverse_iterator2 (begin2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crend2 () const {
Chris@101:             return rend2 ();
Chris@101:         }
Chris@16: 
Chris@16:     private:
Chris@16:         expression_closure_type e_;
Chris@16:     };
Chris@16: 
Chris@16:     template<class E, class F>
Chris@16:     struct matrix_unary2_traits {
Chris@16:         typedef matrix_unary2<E, F> expression_type;
Chris@16: #ifndef BOOST_UBLAS_SIMPLE_ET_DEBUG
Chris@16:         typedef expression_type result_type; 
Chris@16: #else
Chris@16:         typedef typename E::matrix_temporary_type result_type;
Chris@16: #endif
Chris@16:     };
Chris@16: 
Chris@16:     // (trans m) [i] [j] = m [j] [i]
Chris@16:     template<class E>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_unary2_traits<const E, scalar_identity<typename E::value_type> >::result_type
Chris@16:     trans (const matrix_expression<E> &e) {
Chris@16:         typedef typename matrix_unary2_traits<const E, scalar_identity<typename E::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e ());
Chris@16:     }
Chris@16:     template<class E>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_unary2_traits<E, scalar_identity<typename E::value_type> >::result_type
Chris@16:     trans (matrix_expression<E> &e) {
Chris@16:         typedef typename matrix_unary2_traits<E, scalar_identity<typename E::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e ());
Chris@16:     }
Chris@16: 
Chris@16:     // (herm m) [i] [j] = conj (m [j] [i])
Chris@16:     template<class E>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_unary2_traits<E, scalar_conj<typename E::value_type> >::result_type
Chris@16:     herm (const matrix_expression<E> &e) {
Chris@16:         typedef typename matrix_unary2_traits<E, scalar_conj<typename E::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e ());
Chris@16:     }
Chris@16: 
Chris@16:     template<class E1, class E2, class F>
Chris@16:     class matrix_binary:
Chris@16:         public matrix_expression<matrix_binary<E1, E2, F> > {
Chris@16: 
Chris@16:         typedef E1 expression1_type;
Chris@16:         typedef E2 expression2_type;
Chris@16:         typedef F functor_type;
Chris@16:     public:
Chris@16:         typedef typename E1::const_closure_type expression1_closure_type;
Chris@16:         typedef typename E2::const_closure_type expression2_closure_type;
Chris@16:     private:
Chris@16:         typedef matrix_binary<E1, E2, F> self_type;
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
Chris@16:         using matrix_expression<self_type>::operator ();
Chris@16: #endif
Chris@16:         typedef typename promote_traits<typename E1::size_type, typename E2::size_type>::promote_type size_type;
Chris@16:         typedef typename promote_traits<typename E1::difference_type, typename E2::difference_type>::promote_type difference_type;
Chris@16:         typedef typename F::result_type value_type;
Chris@16:         typedef value_type const_reference;
Chris@16:         typedef const_reference reference;
Chris@16:         typedef const self_type const_closure_type;
Chris@16:         typedef const_closure_type closure_type;
Chris@16:         typedef unknown_orientation_tag orientation_category;
Chris@16:         typedef unknown_storage_tag storage_category;
Chris@16: 
Chris@16:         // Construction and destruction
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_binary (const E1 &e1, const E2 &e2): 
Chris@16:             e1_ (e1), e2_ (e2) {}
Chris@16: 
Chris@16:         // Accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size1 () const { 
Chris@16:             return BOOST_UBLAS_SAME (e1_.size1 (), e2_.size1 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size2 () const {
Chris@16:             return BOOST_UBLAS_SAME (e1_.size2 (), e2_.size2 ());
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Expression accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression1_closure_type &expression1 () const {
Chris@16:             return e1_;
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression2_closure_type &expression2 () const {
Chris@16:             return e2_;
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Element access
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reference operator () (size_type i, size_type j) const {
Chris@16:             return functor_type::apply (e1_ (i, j), e2_ (i, j));
Chris@16:         }
Chris@16: 
Chris@16:         // Closure comparison
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         bool same_closure (const matrix_binary &mb) const {
Chris@16:             return (*this).expression1 ().same_closure (mb.expression1 ()) &&
Chris@16:                    (*this).expression2 ().same_closure (mb.expression2 ());
Chris@16:         }
Chris@16: 
Chris@16:         // Iterator types
Chris@16:     private:
Chris@16:         typedef typename E1::const_iterator1 const_iterator11_type;
Chris@16:         typedef typename E1::const_iterator2 const_iterator12_type;
Chris@16:         typedef typename E2::const_iterator1 const_iterator21_type;
Chris@16:         typedef typename E2::const_iterator2 const_iterator22_type;
Chris@16:         typedef const value_type *const_pointer;
Chris@16: 
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         typedef typename iterator_restrict_traits<typename const_iterator11_type::iterator_category,
Chris@16:                                                   typename const_iterator21_type::iterator_category>::iterator_category iterator_category1;
Chris@16:         typedef indexed_const_iterator1<const_closure_type, iterator_category1> const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         typedef typename iterator_restrict_traits<typename const_iterator12_type::iterator_category,
Chris@16:                                                   typename const_iterator22_type::iterator_category>::iterator_category iterator_category2;
Chris@16:         typedef indexed_const_iterator2<const_closure_type, iterator_category2> const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #else
Chris@16:         class const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         class const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #endif
Chris@16:         typedef reverse_iterator_base1<const_iterator1> const_reverse_iterator1;
Chris@16:         typedef reverse_iterator_base2<const_iterator2> const_reverse_iterator2;
Chris@16: 
Chris@16:         // Element lookup
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 find1 (int rank, size_type i, size_type j) const {
Chris@16:             const_iterator11_type it11 (e1_.find1 (rank, i, j));
Chris@16:             const_iterator11_type it11_end (e1_.find1 (rank, size1 (), j));
Chris@16:             const_iterator21_type it21 (e2_.find1 (rank, i, j));
Chris@16:             const_iterator21_type it21_end (e2_.find1 (rank, size1 (), j));
Chris@16:             BOOST_UBLAS_CHECK (rank == 0 || it11 == it11_end || it11.index2 () == j, internal_logic ())
Chris@16:             BOOST_UBLAS_CHECK (rank == 0 || it21 == it21_end || it21.index2 () == j, internal_logic ())
Chris@16:             i = (std::min) (it11 != it11_end ? it11.index1 () : size1 (),
Chris@16:                           it21 != it21_end ? it21.index1 () : size1 ());
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator1 (*this, i, j);
Chris@16: #else
Chris@16:             return const_iterator1 (*this, i, j, it11, it11_end, it21, it21_end);
Chris@16: #endif
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 find2 (int rank, size_type i, size_type j) const {
Chris@16:             const_iterator12_type it12 (e1_.find2 (rank, i, j));
Chris@16:             const_iterator12_type it12_end (e1_.find2 (rank, i, size2 ()));
Chris@16:             const_iterator22_type it22 (e2_.find2 (rank, i, j));
Chris@16:             const_iterator22_type it22_end (e2_.find2 (rank, i, size2 ()));
Chris@16:             BOOST_UBLAS_CHECK (rank == 0 || it12 == it12_end || it12.index1 () == i, internal_logic ())
Chris@16:             BOOST_UBLAS_CHECK (rank == 0 || it22 == it22_end || it22.index1 () == i, internal_logic ())
Chris@16:             j = (std::min) (it12 != it12_end ? it12.index2 () : size2 (),
Chris@16:                           it22 != it22_end ? it22.index2 () : size2 ());
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator2 (*this, i, j);
Chris@16: #else
Chris@16:             return const_iterator2 (*this, i, j, it12, it12_end, it22, it22_end);
Chris@16: #endif
Chris@16:         }
Chris@16: 
Chris@16:         // Iterators enhance the iterators of the referenced expression
Chris@16:         // with the binary functor.
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator1:
Chris@16:             public container_const_reference<matrix_binary>,
Chris@16:             public iterator_base_traits<typename iterator_restrict_traits<typename E1::const_iterator1::iterator_category,
Chris@16:                                                                           typename E2::const_iterator1::iterator_category>::iterator_category>::template
Chris@16:                 iterator_base<const_iterator1, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename iterator_restrict_traits<typename E1::const_iterator1::iterator_category,
Chris@16:                                                       typename E2::const_iterator1::iterator_category>::iterator_category iterator_category;
Chris@16:             typedef typename matrix_binary::difference_type difference_type;
Chris@16:             typedef typename matrix_binary::value_type value_type;
Chris@16:             typedef typename matrix_binary::const_reference reference;
Chris@16:             typedef typename matrix_binary::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator2 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator2 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 ():
Chris@16:                 container_const_reference<self_type> (), i_ (), j_ (), it1_ (), it1_end_ (), it2_ (), it2_end_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 (const self_type &mb, size_type i, size_type j,
Chris@16:                              const const_iterator11_type &it1, const const_iterator11_type &it1_end,
Chris@16:                              const const_iterator21_type &it2, const const_iterator21_type &it2_end):
Chris@16:                 container_const_reference<self_type> (mb), i_ (i), j_ (j), it1_ (it1), it1_end_ (it1_end), it2_ (it2), it2_end_ (it2_end) {}
Chris@16: 
Chris@16:         private:
Chris@16:             // Dense specializations
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void increment (dense_random_access_iterator_tag) {
Chris@16:                 ++ i_; ++ it1_; ++ it2_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void decrement (dense_random_access_iterator_tag) {
Chris@16:                 -- i_; -- it1_; -- it2_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void increment (dense_random_access_iterator_tag, difference_type n) {
Chris@16:                  i_ += n; it1_ += n; it2_ += n;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void decrement (dense_random_access_iterator_tag, difference_type n) {
Chris@16:                 i_ -= n; it1_ -= n; it2_ -= n;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (dense_random_access_iterator_tag) const {
Chris@16:                 return functor_type::apply (*it1_, *it2_);
Chris@16:             }
Chris@16: 
Chris@16:             // Packed specializations
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void increment (packed_random_access_iterator_tag) {
Chris@16:                 if (it1_ != it1_end_)
Chris@16:                     if (it1_.index1 () <= i_)
Chris@16:                         ++ it1_;
Chris@16:                 if (it2_ != it2_end_)
Chris@16:                     if (it2_.index1 () <= i_)
Chris@16:                         ++ it2_;
Chris@16:                 ++ i_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void decrement (packed_random_access_iterator_tag) {
Chris@16:                 if (it1_ != it1_end_)
Chris@16:                     if (i_ <= it1_.index1 ())
Chris@16:                         -- it1_;
Chris@16:                 if (it2_ != it2_end_)
Chris@16:                     if (i_ <= it2_.index1 ())
Chris@16:                         -- it2_;
Chris@16:                 -- i_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void increment (packed_random_access_iterator_tag, difference_type n) {
Chris@16:                 while (n > 0) {
Chris@16:                     increment (packed_random_access_iterator_tag ());
Chris@16:                     --n;
Chris@16:                 }
Chris@16:                 while (n < 0) {
Chris@16:                     decrement (packed_random_access_iterator_tag ());
Chris@16:                     ++n;
Chris@16:                 }
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void decrement (packed_random_access_iterator_tag, difference_type n) {
Chris@16:                 while (n > 0) {
Chris@16:                     decrement (packed_random_access_iterator_tag ());
Chris@16:                     --n;
Chris@16:                 }
Chris@16:                 while (n < 0) {
Chris@16:                     increment (packed_random_access_iterator_tag ());
Chris@16:                     ++n;
Chris@16:                 }
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (packed_random_access_iterator_tag) const {
Chris@16:                 value_type t1 = value_type/*zero*/();
Chris@16:                 if (it1_ != it1_end_) {
Chris@16:                     BOOST_UBLAS_CHECK (it1_.index2 () == j_, internal_logic ());
Chris@16:                     if (it1_.index1 () == i_)
Chris@16:                         t1 = *it1_;
Chris@16:                 }
Chris@16:                 value_type t2 = value_type/*zero*/();
Chris@16:                 if (it2_ != it2_end_) {
Chris@16:                     BOOST_UBLAS_CHECK (it2_.index2 () == j_, internal_logic ());
Chris@16:                     if (it2_.index1 () == i_)
Chris@16:                         t2 = *it2_;
Chris@16:                 }
Chris@16:                 return functor_type::apply (t1, t2);
Chris@16:             }
Chris@16: 
Chris@16:             // Sparse specializations
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void increment (sparse_bidirectional_iterator_tag) {
Chris@16:                 size_type index1 = (*this) ().size1 ();
Chris@16:                 if (it1_ != it1_end_) {
Chris@16:                     if (it1_.index1 () <= i_)
Chris@16:                         ++ it1_;
Chris@16:                     if (it1_ != it1_end_)
Chris@16:                         index1 = it1_.index1 ();
Chris@16:                 }
Chris@16:                 size_type index2 = (*this) ().size1 ();
Chris@16:                 if (it2_ != it2_end_)
Chris@16:                     if (it2_.index1 () <= i_)
Chris@16:                         ++ it2_;
Chris@16:                     if (it2_ != it2_end_) {
Chris@16:                         index2 = it2_.index1 ();
Chris@16:                 }
Chris@16:                 i_ = (std::min) (index1, index2);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void decrement (sparse_bidirectional_iterator_tag) {
Chris@16:                 size_type index1 = (*this) ().size1 ();
Chris@16:                 if (it1_ != it1_end_) {
Chris@16:                     if (i_ <= it1_.index1 ())
Chris@16:                         -- it1_;
Chris@16:                     if (it1_ != it1_end_)
Chris@16:                         index1 = it1_.index1 ();
Chris@16:                 }
Chris@16:                 size_type index2 = (*this) ().size1 ();
Chris@16:                 if (it2_ != it2_end_) {
Chris@16:                     if (i_ <= it2_.index1 ())
Chris@16:                         -- it2_;
Chris@16:                     if (it2_ != it2_end_)
Chris@16:                         index2 = it2_.index1 ();
Chris@16:                 }
Chris@16:                 i_ = (std::max) (index1, index2);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void increment (sparse_bidirectional_iterator_tag, difference_type n) {
Chris@16:                 while (n > 0) {
Chris@16:                     increment (sparse_bidirectional_iterator_tag ());
Chris@16:                     --n;
Chris@16:                 }
Chris@16:                 while (n < 0) {
Chris@16:                     decrement (sparse_bidirectional_iterator_tag ());
Chris@16:                     ++n;
Chris@16:                 }
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void decrement (sparse_bidirectional_iterator_tag, difference_type n) {
Chris@16:                 while (n > 0) {
Chris@16:                     decrement (sparse_bidirectional_iterator_tag ());
Chris@16:                     --n;
Chris@16:                 }
Chris@16:                 while (n < 0) {
Chris@16:                     increment (sparse_bidirectional_iterator_tag ());
Chris@16:                     ++n;
Chris@16:                 }
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (sparse_bidirectional_iterator_tag) const {
Chris@16:                 value_type t1 = value_type/*zero*/();
Chris@16:                 if (it1_ != it1_end_) {
Chris@16:                     BOOST_UBLAS_CHECK (it1_.index2 () == j_, internal_logic ());
Chris@16:                     if (it1_.index1 () == i_)
Chris@16:                         t1 = *it1_;
Chris@16:                 }
Chris@16:                 value_type t2 = value_type/*zero*/();
Chris@16:                 if (it2_ != it2_end_) {
Chris@16:                     BOOST_UBLAS_CHECK (it2_.index2 () == j_, internal_logic ());
Chris@16:                     if (it2_.index1 () == i_)
Chris@16:                         t2 = *it2_;
Chris@16:                 }
Chris@16:                 return functor_type::apply (t1, t2);
Chris@16:             }
Chris@16: 
Chris@16:         public:
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator ++ () {
Chris@16:                 increment (iterator_category ());
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -- () {
Chris@16:                 decrement (iterator_category ());
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator += (difference_type n) {
Chris@16:                 increment (iterator_category (), n);
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -= (difference_type n) {
Chris@16:                 decrement (iterator_category (), n);
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (index2 () == it.index2 (), external_logic ());
Chris@16:                 return index1 () - it.index1 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return dereference (iterator_category ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator2 begin () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), 0);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator2 end () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), (*this) ().size2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rbegin () const {
Chris@16:                 return const_reverse_iterator2 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator2 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rend () const {
Chris@16:                 return const_reverse_iterator2 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator2 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return i_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index2 () const {
Chris@16:                 // if (it1_ != it1_end_ && it2_ != it2_end_)
Chris@16:                 //    return BOOST_UBLAS_SAME (it1_.index2 (), it2_.index2 ());
Chris@16:                 // else
Chris@16:                     return j_;
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator = (const const_iterator1 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 i_ = it.i_;
Chris@16:                 j_ = it.j_;
Chris@16:                 it1_ = it.it1_;
Chris@16:                 it1_end_ = it.it1_end_;
Chris@16:                 it2_ = it.it2_;
Chris@16:                 it2_end_ = it.it2_end_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (index2 () == it.index2 (), external_logic ());
Chris@16:                 return index1 () == it.index1 ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (index2 () == it.index2 (), external_logic ());
Chris@16:                 return index1 () < it.index1 ();
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             size_type i_;
Chris@16:             size_type j_;
Chris@16:             const_iterator11_type it1_;
Chris@16:             const_iterator11_type it1_end_;
Chris@16:             const_iterator21_type it2_;
Chris@16:             const_iterator21_type it2_end_;
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 begin1 () const {
Chris@16:             return find1 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cbegin1 () const {
Chris@101:             return begin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 end1 () const {
Chris@16:             return find1 (0, size1 (), 0);
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cend1 () const {
Chris@101:             return end1 ();
Chris@101:         }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator2:
Chris@16:             public container_const_reference<matrix_binary>,
Chris@16:             public iterator_base_traits<typename iterator_restrict_traits<typename E1::const_iterator2::iterator_category,
Chris@16:                                                                           typename E2::const_iterator2::iterator_category>::iterator_category>::template
Chris@16:                 iterator_base<const_iterator2, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename iterator_restrict_traits<typename E1::const_iterator2::iterator_category,
Chris@16:                                                       typename E2::const_iterator2::iterator_category>::iterator_category iterator_category;
Chris@16:             typedef typename matrix_binary::difference_type difference_type;
Chris@16:             typedef typename matrix_binary::value_type value_type;
Chris@16:             typedef typename matrix_binary::const_reference reference;
Chris@16:             typedef typename matrix_binary::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator1 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator1 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 ():
Chris@16:                 container_const_reference<self_type> (), i_ (), j_ (), it1_ (), it1_end_ (), it2_ (), it2_end_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 (const self_type &mb, size_type i, size_type j,
Chris@16:                              const const_iterator12_type &it1, const const_iterator12_type &it1_end,
Chris@16:                              const const_iterator22_type &it2, const const_iterator22_type &it2_end):
Chris@16:                 container_const_reference<self_type> (mb), i_ (i), j_ (j), it1_ (it1), it1_end_ (it1_end), it2_ (it2), it2_end_ (it2_end) {}
Chris@16: 
Chris@16:         private:
Chris@16:             // Dense access specializations
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void increment (dense_random_access_iterator_tag) {
Chris@16:                 ++ j_; ++ it1_; ++ it2_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void decrement (dense_random_access_iterator_tag) {
Chris@16:                 -- j_; -- it1_; -- it2_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void increment (dense_random_access_iterator_tag, difference_type n) {
Chris@16:                 j_ += n; it1_ += n; it2_ += n;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void decrement (dense_random_access_iterator_tag, difference_type n) {
Chris@16:                 j_ -= n; it1_ -= n; it2_ -= n;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (dense_random_access_iterator_tag) const {
Chris@16:                 return functor_type::apply (*it1_, *it2_);
Chris@16:             }
Chris@16: 
Chris@16:             // Packed specializations
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void increment (packed_random_access_iterator_tag) {
Chris@16:                 if (it1_ != it1_end_)
Chris@16:                     if (it1_.index2 () <= j_)
Chris@16:                         ++ it1_;
Chris@16:                 if (it2_ != it2_end_)
Chris@16:                     if (it2_.index2 () <= j_)
Chris@16:                         ++ it2_;
Chris@16:                 ++ j_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void decrement (packed_random_access_iterator_tag) {
Chris@16:                 if (it1_ != it1_end_)
Chris@16:                     if (j_ <= it1_.index2 ())
Chris@16:                         -- it1_;
Chris@16:                 if (it2_ != it2_end_)
Chris@16:                     if (j_ <= it2_.index2 ())
Chris@16:                         -- it2_;
Chris@16:                 -- j_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void increment (packed_random_access_iterator_tag, difference_type n) {
Chris@16:                 while (n > 0) {
Chris@16:                     increment (packed_random_access_iterator_tag ());
Chris@16:                     --n;
Chris@16:                 }
Chris@16:                 while (n < 0) {
Chris@16:                     decrement (packed_random_access_iterator_tag ());
Chris@16:                     ++n;
Chris@16:                 }
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void decrement (packed_random_access_iterator_tag, difference_type n) {
Chris@16:                 while (n > 0) {
Chris@16:                     decrement (packed_random_access_iterator_tag ());
Chris@16:                     --n;
Chris@16:                 }
Chris@16:                 while (n < 0) {
Chris@16:                     increment (packed_random_access_iterator_tag ());
Chris@16:                     ++n;
Chris@16:                 }
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (packed_random_access_iterator_tag) const {
Chris@16:                 value_type t1 = value_type/*zero*/();
Chris@16:                 if (it1_ != it1_end_) {
Chris@16:                     BOOST_UBLAS_CHECK (it1_.index1 () == i_, internal_logic ());
Chris@16:                     if (it1_.index2 () == j_)
Chris@16:                         t1 = *it1_;
Chris@16:                 }
Chris@16:                 value_type t2 = value_type/*zero*/();
Chris@16:                 if (it2_ != it2_end_) {
Chris@16:                     BOOST_UBLAS_CHECK (it2_.index1 () == i_, internal_logic ());
Chris@16:                     if (it2_.index2 () == j_)
Chris@16:                         t2 = *it2_;
Chris@16:                 }
Chris@16:                 return functor_type::apply (t1, t2);
Chris@16:             }
Chris@16: 
Chris@16:             // Sparse specializations
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void increment (sparse_bidirectional_iterator_tag) {
Chris@16:                 size_type index1 = (*this) ().size2 ();
Chris@16:                 if (it1_ != it1_end_) {
Chris@16:                     if (it1_.index2 () <= j_)
Chris@16:                         ++ it1_;
Chris@16:                     if (it1_ != it1_end_)
Chris@16:                         index1 = it1_.index2 ();
Chris@16:                 }
Chris@16:                 size_type index2 = (*this) ().size2 ();
Chris@16:                 if (it2_ != it2_end_) {
Chris@16:                     if (it2_.index2 () <= j_)
Chris@16:                         ++ it2_;
Chris@16:                     if (it2_ != it2_end_)
Chris@16:                         index2 = it2_.index2 ();
Chris@16:                 }
Chris@16:                 j_ = (std::min) (index1, index2);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void decrement (sparse_bidirectional_iterator_tag) {
Chris@16:                 size_type index1 = (*this) ().size2 ();
Chris@16:                 if (it1_ != it1_end_) {
Chris@16:                     if (j_ <= it1_.index2 ())
Chris@16:                         -- it1_;
Chris@16:                     if (it1_ != it1_end_)
Chris@16:                         index1 = it1_.index2 ();
Chris@16:                 }
Chris@16:                 size_type index2 = (*this) ().size2 ();
Chris@16:                 if (it2_ != it2_end_) {
Chris@16:                     if (j_ <= it2_.index2 ())
Chris@16:                         -- it2_;
Chris@16:                     if (it2_ != it2_end_)
Chris@16:                         index2 = it2_.index2 ();
Chris@16:                 }
Chris@16:                 j_ = (std::max) (index1, index2);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void increment (sparse_bidirectional_iterator_tag, difference_type n) {
Chris@16:                 while (n > 0) {
Chris@16:                     increment (sparse_bidirectional_iterator_tag ());
Chris@16:                     --n;
Chris@16:                 }
Chris@16:                 while (n < 0) {
Chris@16:                     decrement (sparse_bidirectional_iterator_tag ());
Chris@16:                     ++n;
Chris@16:                 }
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             void decrement (sparse_bidirectional_iterator_tag, difference_type n) {
Chris@16:                 while (n > 0) {
Chris@16:                     decrement (sparse_bidirectional_iterator_tag ());
Chris@16:                     --n;
Chris@16:                 }
Chris@16:                 while (n < 0) {
Chris@16:                     increment (sparse_bidirectional_iterator_tag ());
Chris@16:                     ++n;
Chris@16:                 }
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (sparse_bidirectional_iterator_tag) const {
Chris@16:                 value_type t1 = value_type/*zero*/();
Chris@16:                 if (it1_ != it1_end_) {
Chris@16:                     BOOST_UBLAS_CHECK (it1_.index1 () == i_, internal_logic ());
Chris@16:                     if (it1_.index2 () == j_)
Chris@16:                         t1 = *it1_;
Chris@16:                 }
Chris@16:                 value_type t2 = value_type/*zero*/();
Chris@16:                 if (it2_ != it2_end_) {
Chris@16:                     BOOST_UBLAS_CHECK (it2_.index1 () == i_, internal_logic ());
Chris@16:                     if (it2_.index2 () == j_)
Chris@16:                         t2 = *it2_;
Chris@16:                 }
Chris@16:                 return functor_type::apply (t1, t2);
Chris@16:             }
Chris@16: 
Chris@16:         public:
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator ++ () {
Chris@16:                 increment (iterator_category ());
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -- () {
Chris@16:                 decrement (iterator_category ());
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator += (difference_type n) {
Chris@16:                 increment (iterator_category (), n);
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -= (difference_type n) {
Chris@16:                 decrement (iterator_category (), n);
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (index1 () == it.index1 (), external_logic ());
Chris@16:                 return index2 () - it.index2 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return dereference (iterator_category ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator1 begin () const {
Chris@16:                 return (*this) ().find1 (1, 0, index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator1 end () const {
Chris@16:                 return (*this) ().find1 (1, (*this) ().size1 (), index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rbegin () const {
Chris@16:                 return const_reverse_iterator1 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator1 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rend () const {
Chris@16:                 return const_reverse_iterator1 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator1 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 // if (it1_ != it1_end_ && it2_ != it2_end_)
Chris@16:                 //    return BOOST_UBLAS_SAME (it1_.index1 (), it2_.index1 ());
Chris@16:                 // else
Chris@16:                     return i_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index2 () const {
Chris@16:                 return j_;
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator = (const const_iterator2 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 i_ = it.i_;
Chris@16:                 j_ = it.j_;
Chris@16:                 it1_ = it.it1_;
Chris@16:                 it1_end_ = it.it1_end_;
Chris@16:                 it2_ = it.it2_;
Chris@16:                 it2_end_ = it.it2_end_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (index1 () == it.index1 (), external_logic ());
Chris@16:                 return index2 () == it.index2 ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (index1 () == it.index1 (), external_logic ());
Chris@16:                 return index2 () < it.index2 ();
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             size_type i_;
Chris@16:             size_type j_;
Chris@16:             const_iterator12_type it1_;
Chris@16:             const_iterator12_type it1_end_;
Chris@16:             const_iterator22_type it2_;
Chris@16:             const_iterator22_type it2_end_;
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 begin2 () const {
Chris@16:             return find2 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cbegin2 () const {
Chris@101:             return begin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 end2 () const {
Chris@16:             return find2 (0, 0, size2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cend2 () const {
Chris@101:             return end2 ();
Chris@101:         }
Chris@16: 
Chris@16:         // Reverse iterators
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rbegin1 () const {
Chris@16:             return const_reverse_iterator1 (end1 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crbegin1 () const {
Chris@101:             return rbegin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rend1 () const {
Chris@16:             return const_reverse_iterator1 (begin1 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crend1 () const {
Chris@101:             return rend1 ();
Chris@101:         }
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rbegin2 () const {
Chris@16:             return const_reverse_iterator2 (end2 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crbegin2 () const {
Chris@101:             return rbegin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rend2 () const {
Chris@16:             return const_reverse_iterator2 (begin2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crend2 () const {
Chris@101:             return rend2 ();
Chris@101:         }
Chris@16: 
Chris@16:     private:
Chris@16:         expression1_closure_type e1_;
Chris@16:         expression2_closure_type e2_;
Chris@16:     };
Chris@16: 
Chris@16:     template<class E1, class E2, class F>
Chris@16:     struct matrix_binary_traits {
Chris@16:         typedef matrix_binary<E1, E2, F> expression_type;
Chris@16: #ifndef BOOST_UBLAS_SIMPLE_ET_DEBUG
Chris@16:         typedef expression_type result_type; 
Chris@16: #else
Chris@16:         typedef typename E1::matrix_temporary_type result_type;
Chris@16: #endif
Chris@16:     };
Chris@16: 
Chris@16:     // (m1 + m2) [i] [j] = m1 [i] [j] + m2 [i] [j]
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_binary_traits<E1, E2, scalar_plus<typename E1::value_type,
Chris@16:                                                       typename E2::value_type> >::result_type
Chris@16:     operator + (const matrix_expression<E1> &e1,
Chris@16:                 const matrix_expression<E2> &e2) {
Chris@16:         typedef typename matrix_binary_traits<E1, E2, scalar_plus<typename E1::value_type,
Chris@16:                                                                   typename E2::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2 ());
Chris@16:     }
Chris@16: 
Chris@16:     // (m1 - m2) [i] [j] = m1 [i] [j] - m2 [i] [j]
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_binary_traits<E1, E2, scalar_minus<typename E1::value_type,
Chris@16:                                                        typename E2::value_type> >::result_type
Chris@16:     operator - (const matrix_expression<E1> &e1,
Chris@16:                 const matrix_expression<E2> &e2) {
Chris@16:         typedef typename matrix_binary_traits<E1, E2, scalar_minus<typename E1::value_type,
Chris@16:                                                                    typename E2::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2 ());
Chris@16:     }
Chris@16: 
Chris@16:     // (m1 * m2) [i] [j] = m1 [i] [j] * m2 [i] [j]
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_binary_traits<E1, E2, scalar_multiplies<typename E1::value_type,
Chris@16:                                                             typename E2::value_type> >::result_type
Chris@16:     element_prod (const matrix_expression<E1> &e1,
Chris@16:                   const matrix_expression<E2> &e2) {
Chris@16:         typedef typename matrix_binary_traits<E1, E2, scalar_multiplies<typename E1::value_type,
Chris@16:                                                                         typename E2::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2 ());
Chris@16:     }
Chris@16: 
Chris@16:     // (m1 / m2) [i] [j] = m1 [i] [j] / m2 [i] [j]
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_binary_traits<E1, E2, scalar_divides<typename E1::value_type,
Chris@16:                                                          typename E2::value_type> >::result_type
Chris@16:     element_div (const matrix_expression<E1> &e1,
Chris@16:                  const matrix_expression<E2> &e2) {
Chris@16:         typedef typename matrix_binary_traits<E1, E2, scalar_divides<typename E1::value_type,
Chris@16:                                                                      typename E2::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2 ());
Chris@16:     }
Chris@16: 
Chris@16:     template<class E1, class E2, class F>
Chris@16:     class matrix_binary_scalar1:
Chris@16:         public matrix_expression<matrix_binary_scalar1<E1, E2, F> > {
Chris@16: 
Chris@16:         typedef E1 expression1_type;
Chris@16:         typedef E2 expression2_type;
Chris@16:         typedef F functor_type;
Chris@16:         typedef const E1& expression1_closure_type;
Chris@16:         typedef typename E2::const_closure_type expression2_closure_type;
Chris@16:         typedef matrix_binary_scalar1<E1, E2, F> self_type;
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
Chris@16:         using matrix_expression<self_type>::operator ();
Chris@16: #endif
Chris@16:         typedef typename E2::size_type size_type;
Chris@16:         typedef typename E2::difference_type difference_type;
Chris@16:         typedef typename F::result_type value_type;
Chris@16:         typedef value_type const_reference;
Chris@16:         typedef const_reference reference;
Chris@16:         typedef const self_type const_closure_type;
Chris@16:         typedef const_closure_type closure_type;
Chris@16:         typedef typename E2::orientation_category orientation_category;
Chris@16:         typedef unknown_storage_tag storage_category;
Chris@16: 
Chris@16:         // Construction and destruction
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_binary_scalar1 (const expression1_type &e1, const expression2_type &e2):
Chris@16:             e1_ (e1), e2_ (e2) {}
Chris@16: 
Chris@16:         // Accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size1 () const {
Chris@16:             return e2_.size1 ();
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size2 () const {
Chris@16:             return e2_.size2 ();
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Element access
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reference operator () (size_type i, size_type j) const {
Chris@16:             return functor_type::apply (expression1_type (e1_), e2_ (i, j));
Chris@16:         }
Chris@16: 
Chris@16:         // Closure comparison
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         bool same_closure (const matrix_binary_scalar1 &mbs1) const {
Chris@16:             return &e1_ == &(mbs1.e1_) &&
Chris@16:                    (*this).e2_.same_closure (mbs1.e2_);
Chris@16:         }
Chris@16: 
Chris@16:         // Iterator types
Chris@16:     private:
Chris@16:         typedef expression1_type const_subiterator1_type;
Chris@16:         typedef typename E2::const_iterator1 const_iterator21_type;
Chris@16:         typedef typename E2::const_iterator2 const_iterator22_type;
Chris@16:         typedef const value_type *const_pointer;
Chris@16: 
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         typedef indexed_const_iterator1<const_closure_type, typename const_iterator21_type::iterator_category> const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         typedef indexed_const_iterator2<const_closure_type, typename const_iterator22_type::iterator_category> const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #else
Chris@16:         class const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         class const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #endif
Chris@16:         typedef reverse_iterator_base1<const_iterator1> const_reverse_iterator1;
Chris@16:         typedef reverse_iterator_base2<const_iterator2> const_reverse_iterator2;
Chris@16: 
Chris@16:         // Element lookup
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 find1 (int rank, size_type i, size_type j) const {
Chris@16:             const_iterator21_type it21 (e2_.find1 (rank, i, j));
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator1 (*this, it21.index1 (), it21.index2 ());
Chris@16: #else
Chris@16:             return const_iterator1 (*this, const_subiterator1_type (e1_), it21);
Chris@16: #endif
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 find2 (int rank, size_type i, size_type j) const {
Chris@16:             const_iterator22_type it22 (e2_.find2 (rank, i, j));
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator2 (*this, it22.index1 (), it22.index2 ());
Chris@16: #else
Chris@16:             return const_iterator2 (*this, const_subiterator1_type (e1_), it22);
Chris@16: #endif
Chris@16:         }
Chris@16: 
Chris@16:         // Iterators enhance the iterators of the referenced expression
Chris@16:         // with the binary functor.
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator1:
Chris@16:             public container_const_reference<matrix_binary_scalar1>,
Chris@16:             public iterator_base_traits<typename E2::const_iterator1::iterator_category>::template
Chris@16:                 iterator_base<const_iterator1, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename E2::const_iterator1::iterator_category iterator_category;
Chris@16:             typedef typename matrix_binary_scalar1::difference_type difference_type;
Chris@16:             typedef typename matrix_binary_scalar1::value_type value_type;
Chris@16:             typedef typename matrix_binary_scalar1::const_reference reference;
Chris@16:             typedef typename matrix_binary_scalar1::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator2 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator2 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), it2_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 (const self_type &mbs, const const_subiterator1_type &it1, const const_iterator21_type &it2):
Chris@16:                 container_const_reference<self_type> (mbs), it1_ (it1), it2_ (it2) {}
Chris@16: 
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator ++ () {
Chris@16:                 ++ it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -- () {
Chris@16:                 -- it2_ ;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator += (difference_type n) {
Chris@16:                 it2_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -= (difference_type n) {
Chris@16:                 it2_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 // FIXME we shouldn't compare floats
Chris@16:                 // BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
Chris@16:                 return it2_ - it.it2_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return functor_type::apply (it1_, *it2_);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator2 begin () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), 0);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator2 end () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), (*this) ().size2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rbegin () const {
Chris@16:                 return const_reverse_iterator2 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator2 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rend () const {
Chris@16:                 return const_reverse_iterator2 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator2 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return it2_.index1 ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index2 () const {
Chris@16:                 return it2_.index2 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment 
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator = (const const_iterator1 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it1_ = it.it1_;
Chris@16:                 it2_ = it.it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 // FIXME we shouldn't compare floats
Chris@16:                 // BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
Chris@16:                 return it2_ == it.it2_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 // FIXME we shouldn't compare floats
Chris@16:                 // BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
Chris@16:                 return it2_ < it.it2_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             const_subiterator1_type it1_;
Chris@16:             const_iterator21_type it2_;
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 begin1 () const {
Chris@16:             return find1 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cbegin1 () const {
Chris@101:             return begin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 end1 () const {
Chris@16:             return find1 (0, size1 (), 0);
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cend1 () const {
Chris@101:             return end1 ();
Chris@101:         }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator2:
Chris@16:             public container_const_reference<matrix_binary_scalar1>,
Chris@16:             public iterator_base_traits<typename E2::const_iterator2::iterator_category>::template
Chris@16:                 iterator_base<const_iterator2, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename E2::const_iterator2::iterator_category iterator_category;
Chris@16:             typedef typename matrix_binary_scalar1::difference_type difference_type;
Chris@16:             typedef typename matrix_binary_scalar1::value_type value_type;
Chris@16:             typedef typename matrix_binary_scalar1::const_reference reference;
Chris@16:             typedef typename matrix_binary_scalar1::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator1 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator1 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), it2_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 (const self_type &mbs, const const_subiterator1_type &it1, const const_iterator22_type &it2):
Chris@16:                 container_const_reference<self_type> (mbs), it1_ (it1), it2_ (it2) {}
Chris@16: 
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator ++ () {
Chris@16:                 ++ it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -- () {
Chris@16:                 -- it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator += (difference_type n) {
Chris@16:                 it2_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -= (difference_type n) {
Chris@16:                 it2_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 // FIXME we shouldn't compare floats
Chris@16:                 // BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
Chris@16:                 return it2_ - it.it2_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return functor_type::apply (it1_, *it2_);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator1 begin () const {
Chris@16:                 return (*this) ().find1 (1, 0, index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator1 end () const {
Chris@16:                 return (*this) ().find1 (1, (*this) ().size1 (), index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rbegin () const {
Chris@16:                 return const_reverse_iterator1 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator1 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rend () const {
Chris@16:                 return const_reverse_iterator1 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator1 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return it2_.index1 ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index2 () const {
Chris@16:                 return it2_.index2 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment 
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator = (const const_iterator2 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it1_ = it.it1_;
Chris@16:                 it2_ = it.it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 // FIXME we shouldn't compare floats
Chris@16:                 // BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
Chris@16:                 return it2_ == it.it2_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 // FIXME we shouldn't compare floats
Chris@16:                 // BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
Chris@16:                 return it2_ < it.it2_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             const_subiterator1_type it1_;
Chris@16:             const_iterator22_type it2_;
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 begin2 () const {
Chris@16:             return find2 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cbegin2 () const {
Chris@101:             return begin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 end2 () const {
Chris@16:             return find2 (0, 0, size2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cend2 () const {
Chris@101:             return end2 ();
Chris@101:         }
Chris@16: 
Chris@16:         // Reverse iterators
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rbegin1 () const {
Chris@16:             return const_reverse_iterator1 (end1 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crbegin1 () const {
Chris@101:             return rbegin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rend1 () const {
Chris@16:             return const_reverse_iterator1 (begin1 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crend1 () const {
Chris@101:             return rend1 ();
Chris@101:         }
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rbegin2 () const {
Chris@16:             return const_reverse_iterator2 (end2 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crbegin2 () const {
Chris@101:             return rbegin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rend2 () const {
Chris@16:             return const_reverse_iterator2 (begin2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crend2 () const {
Chris@101:             return rend2 ();
Chris@101:         }
Chris@16: 
Chris@16:     private:
Chris@16:         expression1_closure_type e1_;
Chris@16:         expression2_closure_type e2_;
Chris@16:     };
Chris@16: 
Chris@16:     template<class E1, class E2, class F>
Chris@16:     struct matrix_binary_scalar1_traits {
Chris@16:         typedef matrix_binary_scalar1<E1, E2, F> expression_type;   // allow E1 to be builtin type
Chris@16: #ifndef BOOST_UBLAS_SIMPLE_ET_DEBUG
Chris@16:         typedef expression_type result_type;
Chris@16: #else
Chris@16:         typedef typename E2::matrix_temporary_type result_type;
Chris@16: #endif
Chris@16:     };
Chris@16: 
Chris@16:     // (t * m) [i] [j] = t * m [i] [j]
Chris@16:     template<class T1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename enable_if< is_convertible<T1, typename E2::value_type >,
Chris@16:     typename matrix_binary_scalar1_traits<const T1, E2, scalar_multiplies<T1, typename E2::value_type> >::result_type
Chris@16:     >::type
Chris@16:     operator * (const T1 &e1,
Chris@16:                 const matrix_expression<E2> &e2) {
Chris@16:         typedef typename matrix_binary_scalar1_traits<const T1, E2, scalar_multiplies<T1, typename E2::value_type> >::expression_type expression_type;
Chris@16:         return expression_type (e1, e2 ());
Chris@16:     }
Chris@16: 
Chris@16: 
Chris@16:     template<class E1, class E2, class F>
Chris@16:     class matrix_binary_scalar2:
Chris@16:         public matrix_expression<matrix_binary_scalar2<E1, E2, F> > {
Chris@16: 
Chris@16:         typedef E1 expression1_type;
Chris@16:         typedef E2 expression2_type;
Chris@16:         typedef F functor_type;
Chris@16:     public:
Chris@16:         typedef typename E1::const_closure_type expression1_closure_type;
Chris@16:         typedef const E2& expression2_closure_type;
Chris@16:     private:
Chris@16:         typedef matrix_binary_scalar2<E1, E2, F> self_type;
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
Chris@16:         using matrix_expression<self_type>::operator ();
Chris@16: #endif
Chris@16:         typedef typename E1::size_type size_type;
Chris@16:         typedef typename E1::difference_type difference_type;
Chris@16:         typedef typename F::result_type value_type;
Chris@16:         typedef value_type const_reference;
Chris@16:         typedef const_reference reference;
Chris@16: 
Chris@16:         typedef const self_type const_closure_type;
Chris@16:         typedef const_closure_type closure_type;
Chris@16:         typedef typename E1::orientation_category orientation_category;
Chris@16:         typedef unknown_storage_tag storage_category;
Chris@16: 
Chris@16:         // Construction and destruction
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_binary_scalar2 (const expression1_type &e1, const expression2_type &e2): 
Chris@16:             e1_ (e1), e2_ (e2) {}
Chris@16: 
Chris@16:         // Accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size1 () const {
Chris@16:             return e1_.size1 ();
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size2 () const {
Chris@16:             return e1_.size2 ();
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Element access
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reference operator () (size_type i, size_type j) const {
Chris@16:             return functor_type::apply (e1_ (i, j), expression2_type (e2_));
Chris@16:         }
Chris@16: 
Chris@16:         // Closure comparison
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         bool same_closure (const matrix_binary_scalar2 &mbs2) const {
Chris@16:             return (*this).e1_.same_closure (mbs2.e1_) &&
Chris@16:                    &e2_ == &(mbs2.e2_);
Chris@16:         }
Chris@16: 
Chris@16:         // Iterator types
Chris@16:     private:
Chris@16:         typedef typename E1::const_iterator1 const_iterator11_type;
Chris@16:         typedef typename E1::const_iterator2 const_iterator12_type;
Chris@16:         typedef expression2_type const_subiterator2_type;
Chris@16:         typedef const value_type *const_pointer;
Chris@16: 
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         typedef indexed_const_iterator1<const_closure_type, typename const_iterator11_type::iterator_category> const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         typedef indexed_const_iterator2<const_closure_type, typename const_iterator12_type::iterator_category> const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #else
Chris@16:         class const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         class const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #endif
Chris@16:         typedef reverse_iterator_base1<const_iterator1> const_reverse_iterator1;
Chris@16:         typedef reverse_iterator_base2<const_iterator2> const_reverse_iterator2;
Chris@16: 
Chris@16:         // Element lookup
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 find1 (int rank, size_type i, size_type j) const {
Chris@16:             const_iterator11_type it11 (e1_.find1 (rank, i, j));
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator1 (*this, it11.index1 (), it11.index2 ());
Chris@16: #else
Chris@16:             return const_iterator1 (*this, it11, const_subiterator2_type (e2_));
Chris@16: #endif
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 find2 (int rank, size_type i, size_type j) const {
Chris@16:             const_iterator12_type it12 (e1_.find2 (rank, i, j));
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator2 (*this, it12.index1 (), it12.index2 ());
Chris@16: #else
Chris@16:             return const_iterator2 (*this, it12, const_subiterator2_type (e2_));
Chris@16: #endif
Chris@16:         }
Chris@16: 
Chris@16:         // Iterators enhance the iterators of the referenced expression
Chris@16:         // with the binary functor.
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator1:
Chris@16:             public container_const_reference<matrix_binary_scalar2>,
Chris@16:             public iterator_base_traits<typename E1::const_iterator1::iterator_category>::template
Chris@16:                 iterator_base<const_iterator1, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename E1::const_iterator1::iterator_category iterator_category;
Chris@16:             typedef typename matrix_binary_scalar2::difference_type difference_type;
Chris@16:             typedef typename matrix_binary_scalar2::value_type value_type;
Chris@16:             typedef typename matrix_binary_scalar2::const_reference reference;
Chris@16:             typedef typename matrix_binary_scalar2::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator2 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator2 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), it2_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 (const self_type &mbs, const const_iterator11_type &it1, const const_subiterator2_type &it2):
Chris@16:                 container_const_reference<self_type> (mbs), it1_ (it1), it2_ (it2) {}
Chris@16: 
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator ++ () {
Chris@16:                 ++ it1_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -- () {
Chris@16:                 -- it1_ ;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator += (difference_type n) {
Chris@16:                 it1_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -= (difference_type n) {
Chris@16:                 it1_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 // FIXME we shouldn't compare floats
Chris@16:                 // BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
Chris@16:                 return it1_ - it.it1_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return functor_type::apply (*it1_, it2_);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator2 begin () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), 0);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator2 end () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), (*this) ().size2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rbegin () const {
Chris@16:                 return const_reverse_iterator2 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator2 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rend () const {
Chris@16:                 return const_reverse_iterator2 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator2 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return it1_.index1 ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index2 () const {
Chris@16:                 return it1_.index2 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment 
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator = (const const_iterator1 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it1_ = it.it1_;
Chris@16:                 it2_ = it.it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 // FIXME we shouldn't compare floats
Chris@16:                 // BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
Chris@16:                 return it1_ == it.it1_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 // FIXME we shouldn't compare floats
Chris@16:                 // BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
Chris@16:                 return it1_ < it.it1_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             const_iterator11_type it1_;
Chris@16:             const_subiterator2_type it2_;
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 begin1 () const {
Chris@16:             return find1 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cbegin1 () const {
Chris@101:             return begin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 end1 () const {
Chris@16:             return find1 (0, size1 (), 0);
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cend1 () const {
Chris@101:             return end1 ();
Chris@101:         }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator2:
Chris@16:             public container_const_reference<matrix_binary_scalar2>,
Chris@16:             public iterator_base_traits<typename E1::const_iterator2::iterator_category>::template
Chris@16:                 iterator_base<const_iterator2, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename E1::const_iterator2::iterator_category iterator_category;
Chris@16:             typedef typename matrix_binary_scalar2::difference_type difference_type;
Chris@16:             typedef typename matrix_binary_scalar2::value_type value_type;
Chris@16:             typedef typename matrix_binary_scalar2::const_reference reference;
Chris@16:             typedef typename matrix_binary_scalar2::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator1 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator1 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), it2_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 (const self_type &mbs, const const_iterator12_type &it1, const const_subiterator2_type &it2):
Chris@16:                 container_const_reference<self_type> (mbs), it1_ (it1), it2_ (it2) {}
Chris@16: 
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator ++ () {
Chris@16:                 ++ it1_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -- () {
Chris@16:                 -- it1_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator += (difference_type n) {
Chris@16:                 it1_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -= (difference_type n) {
Chris@16:                 it1_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 // FIXME we shouldn't compare floats
Chris@16:                 // BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
Chris@16:                 return it1_ - it.it1_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return functor_type::apply (*it1_, it2_);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator1 begin () const {
Chris@16:                 return (*this) ().find1 (1, 0, index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator1 end () const {
Chris@16:                 return (*this) ().find1 (1, (*this) ().size1 (), index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rbegin () const {
Chris@16:                 return const_reverse_iterator1 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator1 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rend () const {
Chris@16:                 return const_reverse_iterator1 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator1 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return it1_.index1 ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index2 () const {
Chris@16:                 return it1_.index2 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment 
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator = (const const_iterator2 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it1_ = it.it1_;
Chris@16:                 it2_ = it.it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 // FIXME we shouldn't compare floats
Chris@16:                 // BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
Chris@16:                 return it1_ == it.it1_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 // FIXME we shouldn't compare floats
Chris@16:                 // BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
Chris@16:                 return it1_ < it.it1_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             const_iterator12_type it1_;
Chris@16:             const_subiterator2_type it2_;
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 begin2 () const {
Chris@16:             return find2 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cbegin2 () const {
Chris@101:             return begin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 end2 () const {
Chris@16:             return find2 (0, 0, size2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cend2 () const {
Chris@101:             return end2 ();
Chris@101:         }
Chris@16: 
Chris@16:         // Reverse iterators
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rbegin1 () const {
Chris@16:             return const_reverse_iterator1 (end1 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crbegin1 () const {
Chris@101:             return rbegin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rend1 () const {
Chris@16:             return const_reverse_iterator1 (begin1 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crend1 () const {
Chris@101:             return rend1 ();
Chris@101:         }
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rbegin2 () const {
Chris@16:             return const_reverse_iterator2 (end2 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crbegin2 () const {
Chris@101:             return rbegin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rend2 () const {
Chris@16:             return const_reverse_iterator2 (begin2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crend2 () const {
Chris@101:             return rend2 ();
Chris@101:         }
Chris@16: 
Chris@16:     private:
Chris@16:         expression1_closure_type e1_;
Chris@16:         expression2_closure_type e2_;
Chris@16:     };
Chris@16: 
Chris@16:     template<class E1, class E2, class F>
Chris@16:     struct matrix_binary_scalar2_traits {
Chris@16:         typedef matrix_binary_scalar2<E1, E2, F> expression_type;   // allow E2 to be builtin type
Chris@16: #ifndef BOOST_UBLAS_SIMPLE_ET_DEBUG
Chris@16:         typedef expression_type result_type; 
Chris@16: #else
Chris@16:         typedef typename E1::matrix_temporary_type result_type;
Chris@16: #endif
Chris@16:     };
Chris@16: 
Chris@16:     // (m * t) [i] [j] = m [i] [j] * t
Chris@16:     template<class E1, class T2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename enable_if< is_convertible<T2, typename E1::value_type>,
Chris@16:     typename matrix_binary_scalar2_traits<E1, const T2, scalar_multiplies<typename E1::value_type, T2> >::result_type
Chris@16:     >::type
Chris@16:     operator * (const matrix_expression<E1> &e1,
Chris@16:                 const T2 &e2) {
Chris@16:         typedef typename matrix_binary_scalar2_traits<E1, const T2, scalar_multiplies<typename E1::value_type, T2> >::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2);
Chris@16:     }
Chris@16: 
Chris@16:     // (m / t) [i] [j] = m [i] [j] / t
Chris@16:     template<class E1, class T2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@101:     typename enable_if< is_convertible<T2, typename E1::value_type>,
Chris@16:     typename matrix_binary_scalar2_traits<E1, const T2, scalar_divides<typename E1::value_type, T2> >::result_type
Chris@101:     >::type
Chris@16:     operator / (const matrix_expression<E1> &e1,
Chris@16:                 const T2 &e2) {
Chris@16:         typedef typename matrix_binary_scalar2_traits<E1, const T2, scalar_divides<typename E1::value_type, T2> >::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2);
Chris@16:     }
Chris@16: 
Chris@16: 
Chris@16:     template<class E1, class E2, class F>
Chris@16:     class matrix_vector_binary1:
Chris@16:         public vector_expression<matrix_vector_binary1<E1, E2, F> > {
Chris@16: 
Chris@16:     public:
Chris@16:         typedef E1 expression1_type;
Chris@16:         typedef E2 expression2_type;
Chris@16:     private:
Chris@16:         typedef F functor_type;
Chris@16:     public:
Chris@16:         typedef typename E1::const_closure_type expression1_closure_type;
Chris@16:         typedef typename E2::const_closure_type expression2_closure_type;
Chris@16:     private:
Chris@16:         typedef matrix_vector_binary1<E1, E2, F> self_type;
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
Chris@16:         using vector_expression<self_type>::operator ();
Chris@16: #endif
Chris@16:         static const unsigned complexity = 1;
Chris@16:         typedef typename promote_traits<typename E1::size_type, typename E2::size_type>::promote_type size_type;
Chris@16:         typedef typename promote_traits<typename E1::difference_type, typename E2::difference_type>::promote_type difference_type;
Chris@16:         typedef typename F::result_type value_type;
Chris@16:         typedef value_type const_reference;
Chris@16:         typedef const_reference reference;
Chris@16:         typedef const self_type const_closure_type;
Chris@16:         typedef const_closure_type closure_type;
Chris@16:         typedef unknown_storage_tag storage_category;
Chris@16: 
Chris@16:         // Construction and destruction
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_vector_binary1 (const expression1_type &e1, const expression2_type &e2):
Chris@16:             e1_ (e1), e2_ (e2) {}
Chris@16: 
Chris@16:         // Accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size () const {
Chris@16:             return e1_.size1 ();
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Expression accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression1_closure_type &expression1 () const {
Chris@16:             return e1_;
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression2_closure_type &expression2 () const {
Chris@16:             return e2_;
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Element access
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reference operator () (size_type i) const {
Chris@16:             return functor_type::apply (e1_, e2_, i);
Chris@16:         }
Chris@16: 
Chris@16:         // Closure comparison
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         bool same_closure (const matrix_vector_binary1 &mvb1) const {
Chris@16:             return (*this).expression1 ().same_closure (mvb1.expression1 ()) &&
Chris@16:                    (*this).expression2 ().same_closure (mvb1.expression2 ());
Chris@16:         }
Chris@16: 
Chris@16:         // Iterator types
Chris@16:     private:
Chris@16:         typedef typename E1::const_iterator1 const_subiterator1_type;
Chris@16:         typedef typename E2::const_iterator const_subiterator2_type;
Chris@16:         typedef const value_type *const_pointer;
Chris@16: 
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         typedef indexed_const_iterator<const_closure_type, typename const_subiterator1_type::iterator_category> const_iterator;
Chris@16:         typedef const_iterator iterator;
Chris@16: #else
Chris@16:         class const_iterator;
Chris@16:         typedef const_iterator iterator;
Chris@16: #endif
Chris@16: 
Chris@16:         // Element lookup
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator find (size_type i) const {
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             const_subiterator1_type it1 (e1_.find1 (0, i, 0));
Chris@16:             return const_iterator (*this, it1.index1 ());
Chris@16: #else
Chris@16:             return const_iterator (*this, e1_.find1 (0, i, 0));
Chris@16: #endif
Chris@16:         }
Chris@16: 
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator:
Chris@16:             public container_const_reference<matrix_vector_binary1>,
Chris@16:             public iterator_base_traits<typename iterator_restrict_traits<typename E1::const_iterator1::iterator_category,
Chris@16:                                                                           typename E2::const_iterator::iterator_category>::iterator_category>::template
Chris@16:                 iterator_base<const_iterator, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename iterator_restrict_traits<typename E1::const_iterator1::iterator_category, 
Chris@16:                                                       typename E2::const_iterator::iterator_category>::iterator_category iterator_category;
Chris@16:             typedef typename matrix_vector_binary1::difference_type difference_type;
Chris@16:             typedef typename matrix_vector_binary1::value_type value_type;
Chris@16:             typedef typename matrix_vector_binary1::const_reference reference;
Chris@16:             typedef typename matrix_vector_binary1::const_pointer pointer;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), e2_begin_ (), e2_end_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator (const self_type &mvb, const const_subiterator1_type &it1):
Chris@16:                 container_const_reference<self_type> (mvb), it1_ (it1), e2_begin_ (mvb.expression2 ().begin ()), e2_end_ (mvb.expression2 ().end ()) {}
Chris@16: #else
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator ():
Chris@16:                 container_const_reference<self_type> (), it1_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator (const self_type &mvb, const const_subiterator1_type &it1):
Chris@16:                 container_const_reference<self_type> (mvb), it1_ (it1) {}
Chris@16: #endif
Chris@16: 
Chris@16:         private:
Chris@16:             // Dense random access specialization
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (dense_random_access_iterator_tag) const {
Chris@16:                 const self_type &mvb = (*this) ();
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXING
Chris@16:                 return mvb (index ());
Chris@16: #elif BOOST_UBLAS_USE_ITERATING
Chris@16:                 difference_type size = BOOST_UBLAS_SAME (mvb.expression1 ().size2 (), mvb.expression2 ().size ());
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (size, it1_.begin (), e2_begin_);
Chris@16: #else
Chris@16:                 return functor_type::apply (size, it1_.begin (), mvb.expression2 ().begin ());
Chris@16: #endif
Chris@16: #else
Chris@16:                 difference_type size = BOOST_UBLAS_SAME (mvb.expression1 ().size2 (), mvb.expression2 ().size ());
Chris@16:                 if (size >= BOOST_UBLAS_ITERATOR_THRESHOLD)
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                     return functor_type::apply (size, it1_.begin (), e2_begin_);
Chris@16: #else
Chris@16:                     return functor_type::apply (size, it1_.begin (), mvb.expression2 ().begin ());
Chris@16: #endif
Chris@16:                 else
Chris@16:                     return mvb (index ());
Chris@16: #endif
Chris@16:             }
Chris@16: 
Chris@16:             // Packed bidirectional specialization
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (packed_random_access_iterator_tag) const {
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (it1_.begin (), it1_.end (), e2_begin_, e2_end_);
Chris@16: #else
Chris@16:                 const self_type &mvb = (*this) ();
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:                 return functor_type::apply (it1_.begin (), it1_.end (),
Chris@16:                                         mvb.expression2 ().begin (), mvb.expression2 ().end ());
Chris@16: #else
Chris@16:                 return functor_type::apply (boost::numeric::ublas::begin (it1_, iterator1_tag ()),
Chris@16:                                         boost::numeric::ublas::end (it1_, iterator1_tag ()),
Chris@16:                                         mvb.expression2 ().begin (), mvb.expression2 ().end ());
Chris@16: #endif
Chris@16: #endif
Chris@16:             }
Chris@16: 
Chris@16:             // Sparse bidirectional specialization
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (sparse_bidirectional_iterator_tag) const {
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (it1_.begin (), it1_.end (), e2_begin_, e2_end_, sparse_bidirectional_iterator_tag ());
Chris@16: #else
Chris@16:                 const self_type &mvb = (*this) ();
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:                 return functor_type::apply (it1_.begin (), it1_.end (),
Chris@16:                                         mvb.expression2 ().begin (), mvb.expression2 ().end (), sparse_bidirectional_iterator_tag ());
Chris@16: #else
Chris@16:                 return functor_type::apply (boost::numeric::ublas::begin (it1_, iterator1_tag ()),
Chris@16:                                         boost::numeric::ublas::end (it1_, iterator1_tag ()),
Chris@16:                                         mvb.expression2 ().begin (), mvb.expression2 ().end (), sparse_bidirectional_iterator_tag ());
Chris@16: #endif
Chris@16: #endif
Chris@16:             }
Chris@16: 
Chris@16:         public:
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator &operator ++ () {
Chris@16:                 ++ it1_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator &operator -- () {
Chris@16:                 -- it1_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator &operator += (difference_type n) {
Chris@16:                 it1_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator &operator -= (difference_type n) {
Chris@16:                 it1_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it1_ - it.it1_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return dereference (iterator_category ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16:             // Index
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index () const {
Chris@16:                 return it1_.index1 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator &operator = (const const_iterator &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it1_ = it.it1_;
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 e2_begin_ = it.e2_begin_;
Chris@16:                 e2_end_ = it.e2_end_;
Chris@16: #endif
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it1_ == it.it1_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it1_ < it.it1_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             const_subiterator1_type it1_;
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             // Mutable due to assignment
Chris@16:             /* const */ const_subiterator2_type e2_begin_;
Chris@16:             /* const */ const_subiterator2_type e2_end_;
Chris@16: #endif
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator begin () const {
Chris@16:             return find (0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator cbegin () const {
Chris@101:             return begin ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator end () const {
Chris@16:             return find (size ()); 
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator cend () const {
Chris@101:             return end ();
Chris@101:         }
Chris@16: 
Chris@16:         // Reverse iterator
Chris@16:         typedef reverse_iterator_base<const_iterator> const_reverse_iterator;
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator rbegin () const {
Chris@16:             return const_reverse_iterator (end ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator crbegin () const {
Chris@101:             return rbegin ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator rend () const {
Chris@16:             return const_reverse_iterator (begin ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator crend () const {
Chris@101:             return rend ();
Chris@101:         }
Chris@16: 
Chris@16:     private:
Chris@16:         expression1_closure_type e1_;
Chris@16:         expression2_closure_type e2_;
Chris@16:     };
Chris@16: 
Chris@16:     template<class T1, class E1, class T2, class E2>
Chris@16:     struct matrix_vector_binary1_traits {
Chris@16:         typedef unknown_storage_tag storage_category;
Chris@16:         typedef row_major_tag orientation_category;
Chris@16:         typedef typename promote_traits<T1, T2>::promote_type promote_type;
Chris@16:         typedef matrix_vector_binary1<E1, E2, matrix_vector_prod1<E1, E2, promote_type> > expression_type;
Chris@16: #ifndef BOOST_UBLAS_SIMPLE_ET_DEBUG
Chris@16:         typedef expression_type result_type;
Chris@16: #else
Chris@16:         typedef typename E1::vector_temporary_type result_type;
Chris@16: #endif
Chris@16:     };
Chris@16: 
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_vector_binary1_traits<typename E1::value_type, E1,
Chris@16:                                           typename E2::value_type, E2>::result_type
Chris@16:     prod (const matrix_expression<E1> &e1,
Chris@16:           const vector_expression<E2> &e2,
Chris@16:           unknown_storage_tag,
Chris@16:           row_major_tag) {
Chris@16:         typedef typename matrix_vector_binary1_traits<typename E1::value_type, E1,
Chris@16:                                                       typename E2::value_type, E2>::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2 ());
Chris@16:     }
Chris@16: 
Chris@16:     // Dispatcher
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_vector_binary1_traits<typename E1::value_type, E1,
Chris@16:                                           typename E2::value_type, E2>::result_type
Chris@16:     prod (const matrix_expression<E1> &e1,
Chris@16:           const vector_expression<E2> &e2) {
Chris@16:         BOOST_STATIC_ASSERT (E2::complexity == 0);
Chris@16:         typedef typename matrix_vector_binary1_traits<typename E1::value_type, E1,
Chris@16:                                                       typename E2::value_type, E2>::storage_category storage_category;
Chris@16:         typedef typename matrix_vector_binary1_traits<typename E1::value_type, E1,
Chris@16:                                                       typename E2::value_type, E2>::orientation_category orientation_category;
Chris@16:         return prod (e1, e2, storage_category (), orientation_category ());
Chris@16:     }
Chris@16: 
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_vector_binary1_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                           typename type_traits<typename E2::value_type>::precision_type, E2>::result_type
Chris@16:     prec_prod (const matrix_expression<E1> &e1,
Chris@16:                const vector_expression<E2> &e2,
Chris@16:                unknown_storage_tag,
Chris@16:                row_major_tag) {
Chris@16:         typedef typename matrix_vector_binary1_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                                       typename type_traits<typename E2::value_type>::precision_type, E2>::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2 ());
Chris@16:     }
Chris@16: 
Chris@16:     // Dispatcher
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_vector_binary1_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                           typename type_traits<typename E2::value_type>::precision_type, E2>::result_type
Chris@16:     prec_prod (const matrix_expression<E1> &e1,
Chris@16:                const vector_expression<E2> &e2) {
Chris@16:         BOOST_STATIC_ASSERT (E2::complexity == 0);
Chris@16:         typedef typename matrix_vector_binary1_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                                       typename type_traits<typename E2::value_type>::precision_type, E2>::storage_category storage_category;
Chris@16:         typedef typename matrix_vector_binary1_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                                       typename type_traits<typename E2::value_type>::precision_type, E2>::orientation_category orientation_category;
Chris@16:         return prec_prod (e1, e2, storage_category (), orientation_category ());
Chris@16:     }
Chris@16: 
Chris@16:     template<class V, class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     V &
Chris@16:     prod (const matrix_expression<E1> &e1,
Chris@16:           const vector_expression<E2> &e2,
Chris@16:           V &v) {
Chris@16:         return v.assign (prod (e1, e2));
Chris@16:     }
Chris@16: 
Chris@16:     template<class V, class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     V &
Chris@16:     prec_prod (const matrix_expression<E1> &e1,
Chris@16:                const vector_expression<E2> &e2,
Chris@16:                V &v) {
Chris@16:         return v.assign (prec_prod (e1, e2));
Chris@16:     }
Chris@16: 
Chris@16:     template<class V, class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     V
Chris@16:     prod (const matrix_expression<E1> &e1,
Chris@16:           const vector_expression<E2> &e2) {
Chris@16:         return V (prod (e1, e2));
Chris@16:     }
Chris@16: 
Chris@16:     template<class V, class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     V
Chris@16:     prec_prod (const matrix_expression<E1> &e1,
Chris@16:                const vector_expression<E2> &e2) {
Chris@16:         return V (prec_prod (e1, e2));
Chris@16:     }
Chris@16: 
Chris@16:     template<class E1, class E2, class F>
Chris@16:     class matrix_vector_binary2:
Chris@16:         public vector_expression<matrix_vector_binary2<E1, E2, F> > {
Chris@16: 
Chris@16:         typedef E1 expression1_type;
Chris@16:         typedef E2 expression2_type;
Chris@16:         typedef F functor_type;
Chris@16:     public:
Chris@16:         typedef typename E1::const_closure_type expression1_closure_type;
Chris@16:         typedef typename E2::const_closure_type expression2_closure_type;
Chris@16:     private:
Chris@16:         typedef matrix_vector_binary2<E1, E2, F> self_type;
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
Chris@16:         using vector_expression<self_type>::operator ();
Chris@16: #endif
Chris@16:         static const unsigned complexity = 1;
Chris@16:         typedef typename promote_traits<typename E1::size_type, typename E2::size_type>::promote_type size_type;
Chris@16:         typedef typename promote_traits<typename E1::difference_type, typename E2::difference_type>::promote_type difference_type;
Chris@16:         typedef typename F::result_type value_type;
Chris@16:         typedef value_type const_reference;
Chris@16:         typedef const_reference reference;
Chris@16:         typedef const self_type const_closure_type;
Chris@16:         typedef const_closure_type closure_type;
Chris@16:         typedef unknown_storage_tag storage_category;
Chris@16: 
Chris@16:         // Construction and destruction
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_vector_binary2 (const expression1_type &e1, const expression2_type &e2): 
Chris@16:             e1_ (e1), e2_ (e2) {}
Chris@16: 
Chris@16:         // Accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size () const { 
Chris@16:             return e2_.size2 (); 
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Expression accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression1_closure_type &expression1 () const {
Chris@16:             return e1_;
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression2_closure_type &expression2 () const {
Chris@16:             return e2_;
Chris@16:         }
Chris@16:     public:
Chris@16: 
Chris@16:         // Element access
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reference operator () (size_type j) const { 
Chris@16:             return functor_type::apply (e1_, e2_, j); 
Chris@16:         }
Chris@16: 
Chris@16:         // Closure comparison
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         bool same_closure (const matrix_vector_binary2 &mvb2) const {
Chris@16:             return (*this).expression1 ().same_closure (mvb2.expression1 ()) &&
Chris@16:                    (*this).expression2 ().same_closure (mvb2.expression2 ());
Chris@16:         }
Chris@16: 
Chris@16:         // Iterator types
Chris@16:     private:
Chris@16:         typedef typename E1::const_iterator const_subiterator1_type;
Chris@16:         typedef typename E2::const_iterator2 const_subiterator2_type;
Chris@16:         typedef const value_type *const_pointer;
Chris@16: 
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         typedef indexed_const_iterator<const_closure_type, typename const_subiterator2_type::iterator_category> const_iterator;
Chris@16:         typedef const_iterator iterator;
Chris@16: #else
Chris@16:         class const_iterator;
Chris@16:         typedef const_iterator iterator;
Chris@16: #endif
Chris@16: 
Chris@16:         // Element lookup
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator find (size_type j) const {
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             const_subiterator2_type it2 (e2_.find2 (0, 0, j));
Chris@16:             return const_iterator (*this, it2.index2 ());
Chris@16: #else
Chris@16:             return const_iterator (*this, e2_.find2 (0, 0, j));
Chris@16: #endif
Chris@16:         }
Chris@16: 
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator:
Chris@16:             public container_const_reference<matrix_vector_binary2>,
Chris@16:             public iterator_base_traits<typename iterator_restrict_traits<typename E1::const_iterator::iterator_category,
Chris@16:                                                                           typename E2::const_iterator2::iterator_category>::iterator_category>::template
Chris@16:                 iterator_base<const_iterator, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename iterator_restrict_traits<typename E1::const_iterator::iterator_category,
Chris@16:                                                       typename E2::const_iterator2::iterator_category>::iterator_category iterator_category;
Chris@16:             typedef typename matrix_vector_binary2::difference_type difference_type;
Chris@16:             typedef typename matrix_vector_binary2::value_type value_type;
Chris@16:             typedef typename matrix_vector_binary2::const_reference reference;
Chris@16:             typedef typename matrix_vector_binary2::const_pointer pointer;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator ():
Chris@16:                 container_const_reference<self_type> (), it2_ (), e1_begin_ (), e1_end_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator (const self_type &mvb, const const_subiterator2_type &it2):
Chris@16:                 container_const_reference<self_type> (mvb), it2_ (it2), e1_begin_ (mvb.expression1 ().begin ()), e1_end_ (mvb.expression1 ().end ()) {}
Chris@16: #else
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator ():
Chris@16:                 container_const_reference<self_type> (), it2_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator (const self_type &mvb, const const_subiterator2_type &it2):
Chris@16:                 container_const_reference<self_type> (mvb), it2_ (it2) {}
Chris@16: #endif
Chris@16: 
Chris@16:         private:
Chris@16:             // Dense random access specialization
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (dense_random_access_iterator_tag) const {
Chris@16:                 const self_type &mvb = (*this) ();
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXING
Chris@16:                 return mvb (index ());
Chris@16: #elif BOOST_UBLAS_USE_ITERATING
Chris@16:                 difference_type size = BOOST_UBLAS_SAME (mvb.expression2 ().size1 (), mvb.expression1 ().size ());
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (size, e1_begin_, it2_.begin ());
Chris@16: #else
Chris@16:                 return functor_type::apply (size, mvb.expression1 ().begin (), it2_.begin ());
Chris@16: #endif
Chris@16: #else
Chris@16:                 difference_type size = BOOST_UBLAS_SAME (mvb.expression2 ().size1 (), mvb.expression1 ().size ());
Chris@16:                 if (size >= BOOST_UBLAS_ITERATOR_THRESHOLD)
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                     return functor_type::apply (size, e1_begin_, it2_.begin ());
Chris@16: #else
Chris@16:                     return functor_type::apply (size, mvb.expression1 ().begin (), it2_.begin ());
Chris@16: #endif
Chris@16:                 else
Chris@16:                     return mvb (index ());
Chris@16: #endif
Chris@16:             }
Chris@16: 
Chris@16:             // Packed bidirectional specialization
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (packed_random_access_iterator_tag) const {
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (e1_begin_, e1_end_, it2_.begin (), it2_.end ());
Chris@16: #else
Chris@16:                 const self_type &mvb = (*this) ();
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:                 return functor_type::apply (mvb.expression1 ().begin (), mvb.expression1 ().end (),
Chris@16:                                         it2_.begin (), it2_.end ());
Chris@16: #else
Chris@16:                 return functor_type::apply (mvb.expression1 ().begin (), mvb.expression1 ().end (),
Chris@16:                                         boost::numeric::ublas::begin (it2_, iterator2_tag ()),
Chris@16:                                         boost::numeric::ublas::end (it2_, iterator2_tag ()));
Chris@16: #endif
Chris@16: #endif
Chris@16:             }
Chris@16: 
Chris@16:             // Sparse bidirectional specialization
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (sparse_bidirectional_iterator_tag) const {
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (e1_begin_, e1_end_, it2_.begin (), it2_.end (), sparse_bidirectional_iterator_tag ());
Chris@16: #else
Chris@16:                 const self_type &mvb = (*this) ();
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:                 return functor_type::apply (mvb.expression1 ().begin (), mvb.expression1 ().end (),
Chris@16:                                         it2_.begin (), it2_.end (), sparse_bidirectional_iterator_tag ());
Chris@16: #else
Chris@16:                 return functor_type::apply (mvb.expression1 ().begin (), mvb.expression1 ().end (),
Chris@16:                                         boost::numeric::ublas::begin (it2_, iterator2_tag ()),
Chris@16:                                         boost::numeric::ublas::end (it2_, iterator2_tag ()), sparse_bidirectional_iterator_tag ());
Chris@16: #endif
Chris@16: #endif
Chris@16:             }
Chris@16: 
Chris@16:         public:
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator &operator ++ () {
Chris@16:                 ++ it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator &operator -- () {
Chris@16:                 -- it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator &operator += (difference_type n) {
Chris@16:                 it2_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator &operator -= (difference_type n) {
Chris@16:                 it2_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it2_ - it.it2_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return dereference (iterator_category ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16:             // Index
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index () const {
Chris@16:                 return it2_.index2 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment 
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator &operator = (const const_iterator &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it2_ = it.it2_;
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 e1_begin_ = it.e1_begin_;
Chris@16:                 e1_end_ = it.e1_end_;
Chris@16: #endif
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it2_ == it.it2_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 return it2_ < it.it2_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             const_subiterator2_type it2_;
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             // Mutable due to assignment 
Chris@16:             /* const */ const_subiterator1_type e1_begin_;
Chris@16:             /* const */ const_subiterator1_type e1_end_;
Chris@16: #endif
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator begin () const {
Chris@16:             return find (0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator cbegin () const {
Chris@101:             return begin ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator end () const {
Chris@16:             return find (size ()); 
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator cend () const {
Chris@101:             return end ();
Chris@101:         }
Chris@16: 
Chris@16:         // Reverse iterator
Chris@16:         typedef reverse_iterator_base<const_iterator> const_reverse_iterator;
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator rbegin () const {
Chris@16:             return const_reverse_iterator (end ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator crbegin () const {
Chris@101:             return rbegin ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator rend () const {
Chris@16:             return const_reverse_iterator (begin ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator crend () const {
Chris@101:             return rend ();
Chris@101:         }
Chris@16: 
Chris@16:     private:
Chris@16:         expression1_closure_type e1_;
Chris@16:         expression2_closure_type e2_;
Chris@16:     };
Chris@16: 
Chris@16:     template<class T1, class E1, class T2, class E2>
Chris@16:     struct matrix_vector_binary2_traits {
Chris@16:         typedef unknown_storage_tag storage_category;
Chris@16:         typedef column_major_tag orientation_category;
Chris@16:         typedef typename promote_traits<T1, T2>::promote_type promote_type;
Chris@16:         typedef matrix_vector_binary2<E1, E2, matrix_vector_prod2<E1, E2, promote_type> > expression_type;
Chris@16: #ifndef BOOST_UBLAS_SIMPLE_ET_DEBUG
Chris@16:         typedef expression_type result_type;
Chris@16: #else
Chris@16:         typedef typename E2::vector_temporary_type result_type;
Chris@16: #endif
Chris@16:     };
Chris@16: 
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_vector_binary2_traits<typename E1::value_type, E1,
Chris@16:                                           typename E2::value_type, E2>::result_type
Chris@16:     prod (const vector_expression<E1> &e1,
Chris@16:           const matrix_expression<E2> &e2,
Chris@16:           unknown_storage_tag,
Chris@16:           column_major_tag) {
Chris@16:         typedef typename matrix_vector_binary2_traits<typename E1::value_type, E1,
Chris@16:                                                       typename E2::value_type, E2>::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2 ());
Chris@16:     }
Chris@16: 
Chris@16:     // Dispatcher
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_vector_binary2_traits<typename E1::value_type, E1,
Chris@16:                                           typename E2::value_type, E2>::result_type
Chris@16:     prod (const vector_expression<E1> &e1,
Chris@16:           const matrix_expression<E2> &e2) {
Chris@16:         BOOST_STATIC_ASSERT (E1::complexity == 0);
Chris@16:         typedef typename matrix_vector_binary2_traits<typename E1::value_type, E1,
Chris@16:                                                       typename E2::value_type, E2>::storage_category storage_category;
Chris@16:         typedef typename matrix_vector_binary2_traits<typename E1::value_type, E1,
Chris@16:                                                       typename E2::value_type, E2>::orientation_category orientation_category;
Chris@16:         return prod (e1, e2, storage_category (), orientation_category ());
Chris@16:     }
Chris@16: 
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_vector_binary2_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                           typename type_traits<typename E2::value_type>::precision_type, E2>::result_type
Chris@16:     prec_prod (const vector_expression<E1> &e1,
Chris@16:                const matrix_expression<E2> &e2,
Chris@16:                unknown_storage_tag,
Chris@16:                column_major_tag) {
Chris@16:         typedef typename matrix_vector_binary2_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                                       typename type_traits<typename E2::value_type>::precision_type, E2>::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2 ());
Chris@16:     }
Chris@16: 
Chris@16:     // Dispatcher
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_vector_binary2_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                           typename type_traits<typename E2::value_type>::precision_type, E2>::result_type
Chris@16:     prec_prod (const vector_expression<E1> &e1,
Chris@16:                const matrix_expression<E2> &e2) {
Chris@16:         BOOST_STATIC_ASSERT (E1::complexity == 0);
Chris@16:         typedef typename matrix_vector_binary2_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                                       typename type_traits<typename E2::value_type>::precision_type, E2>::storage_category storage_category;
Chris@16:         typedef typename matrix_vector_binary2_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                                       typename type_traits<typename E2::value_type>::precision_type, E2>::orientation_category orientation_category;
Chris@16:         return prec_prod (e1, e2, storage_category (), orientation_category ());
Chris@16:     }
Chris@16: 
Chris@16:     template<class V, class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     V &
Chris@16:     prod (const vector_expression<E1> &e1,
Chris@16:           const matrix_expression<E2> &e2,
Chris@16:           V &v) {
Chris@16:         return v.assign (prod (e1, e2));
Chris@16:     }
Chris@16: 
Chris@16:     template<class V, class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     V &
Chris@16:     prec_prod (const vector_expression<E1> &e1,
Chris@16:                const matrix_expression<E2> &e2,
Chris@16:                V &v) {
Chris@16:         return v.assign (prec_prod (e1, e2));
Chris@16:     }
Chris@16: 
Chris@16:     template<class V, class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     V
Chris@16:     prod (const vector_expression<E1> &e1,
Chris@16:           const matrix_expression<E2> &e2) {
Chris@16:         return V (prod (e1, e2));
Chris@16:     }
Chris@16: 
Chris@16:     template<class V, class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     V
Chris@16:     prec_prod (const vector_expression<E1> &e1,
Chris@16:                const matrix_expression<E2> &e2) {
Chris@16:         return V (prec_prod (e1, e2));
Chris@16:     }
Chris@16: 
Chris@16:     template<class E1, class E2, class F>
Chris@16:     class matrix_matrix_binary:
Chris@16:         public matrix_expression<matrix_matrix_binary<E1, E2, F> > {
Chris@16: 
Chris@16:     public:
Chris@16:         typedef E1 expression1_type;
Chris@16:         typedef E2 expression2_type;
Chris@16:     private:
Chris@16:         typedef F functor_type;
Chris@16:     public:
Chris@16:         typedef typename E1::const_closure_type expression1_closure_type;
Chris@16:         typedef typename E2::const_closure_type expression2_closure_type;
Chris@16:     private:
Chris@16:         typedef matrix_matrix_binary<E1, E2, F> self_type;
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
Chris@16:         using matrix_expression<self_type>::operator ();
Chris@16: #endif
Chris@16:         static const unsigned complexity = 1;
Chris@16:         typedef typename promote_traits<typename E1::size_type, typename E2::size_type>::promote_type size_type;
Chris@16:         typedef typename promote_traits<typename E1::difference_type, typename E2::difference_type>::promote_type difference_type;
Chris@16:         typedef typename F::result_type value_type;
Chris@16:         typedef value_type const_reference;
Chris@16:         typedef const_reference reference;
Chris@16:         typedef const self_type const_closure_type;
Chris@16:         typedef const_closure_type closure_type;
Chris@16:         typedef unknown_orientation_tag orientation_category;
Chris@16:         typedef unknown_storage_tag storage_category;
Chris@16: 
Chris@16:         // Construction and destruction
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         matrix_matrix_binary (const expression1_type &e1, const expression2_type &e2):
Chris@16:             e1_ (e1), e2_ (e2) {}
Chris@16: 
Chris@16:         // Accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size1 () const {
Chris@16:             return e1_.size1 ();
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         size_type size2 () const {
Chris@16:             return e2_.size2 ();
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Expression accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression1_closure_type &expression1 () const {
Chris@16:             return e1_;
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression2_closure_type &expression2 () const {
Chris@16:             return e2_;
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         // Element access
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reference operator () (size_type i, size_type j) const {
Chris@16:             return functor_type::apply (e1_, e2_, i, j);
Chris@16:         }
Chris@16: 
Chris@16:         // Closure comparison
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         bool same_closure (const matrix_matrix_binary &mmb) const {
Chris@16:             return (*this).expression1 ().same_closure (mmb.expression1 ()) &&
Chris@16:                    (*this).expression2 ().same_closure (mmb.expression2 ());
Chris@16:         }
Chris@16: 
Chris@16:         // Iterator types
Chris@16:     private:
Chris@16:         typedef typename E1::const_iterator1 const_iterator11_type;
Chris@16:         typedef typename E1::const_iterator2 const_iterator12_type;
Chris@16:         typedef typename E2::const_iterator1 const_iterator21_type;
Chris@16:         typedef typename E2::const_iterator2 const_iterator22_type;
Chris@16:         typedef const value_type *const_pointer;
Chris@16: 
Chris@16:     public:
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         typedef typename iterator_restrict_traits<typename const_iterator11_type::iterator_category,
Chris@16:                                                   typename const_iterator22_type::iterator_category>::iterator_category iterator_category;
Chris@16:         typedef indexed_const_iterator1<const_closure_type, iterator_category> const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         typedef indexed_const_iterator2<const_closure_type, iterator_category> const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #else
Chris@16:         class const_iterator1;
Chris@16:         typedef const_iterator1 iterator1;
Chris@16:         class const_iterator2;
Chris@16:         typedef const_iterator2 iterator2;
Chris@16: #endif
Chris@16:         typedef reverse_iterator_base1<const_iterator1> const_reverse_iterator1;
Chris@16:         typedef reverse_iterator_base2<const_iterator2> const_reverse_iterator2;
Chris@16: 
Chris@16:         // Element lookup
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 find1 (int /* rank */, size_type i, size_type j) const {
Chris@16:             // FIXME sparse matrix tests fail!
Chris@16:             // const_iterator11_type it11 (e1_.find1 (rank, i, 0));
Chris@16:             const_iterator11_type it11 (e1_.find1 (0, i, 0));
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator1 (*this, it11.index1 (), j);
Chris@16: #else
Chris@16:             // FIXME sparse matrix tests fail!
Chris@16:             // const_iterator22_type it22 (e2_.find2 (rank, 0, j));
Chris@16:             const_iterator22_type it22 (e2_.find2 (0, 0, j));
Chris@16:             return const_iterator1 (*this, it11, it22);
Chris@16: #endif
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 find2 (int /* rank */, size_type i, size_type j) const {
Chris@16:             // FIXME sparse matrix tests fail!
Chris@16:             // const_iterator22_type it22 (e2_.find2 (rank, 0, j));
Chris@16:             const_iterator22_type it22 (e2_.find2 (0, 0, j));
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:             return const_iterator2 (*this, i, it22.index2 ());
Chris@16: #else
Chris@16:             // FIXME sparse matrix tests fail!
Chris@16:             // const_iterator11_type it11 (e1_.find1 (rank, i, 0));
Chris@16:             const_iterator11_type it11 (e1_.find1 (0, i, 0));
Chris@16:             return const_iterator2 (*this, it11, it22);
Chris@16: #endif
Chris@16:         }
Chris@16: 
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator1:
Chris@16:             public container_const_reference<matrix_matrix_binary>,
Chris@16:             public iterator_base_traits<typename iterator_restrict_traits<typename E1::const_iterator1::iterator_category,
Chris@16:                                                                           typename E2::const_iterator2::iterator_category>::iterator_category>::template
Chris@16:                 iterator_base<const_iterator1, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename iterator_restrict_traits<typename E1::const_iterator1::iterator_category,
Chris@16:                                                       typename E2::const_iterator2::iterator_category>::iterator_category iterator_category;
Chris@16:             typedef typename matrix_matrix_binary::difference_type difference_type;
Chris@16:             typedef typename matrix_matrix_binary::value_type value_type;
Chris@16:             typedef typename matrix_matrix_binary::const_reference reference;
Chris@16:             typedef typename matrix_matrix_binary::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator2 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator2 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), it2_ (), it2_begin_ (), it2_end_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 (const self_type &mmb, const const_iterator11_type &it1, const const_iterator22_type &it2):
Chris@16:                 container_const_reference<self_type> (mmb), it1_ (it1), it2_ (it2), it2_begin_ (it2.begin ()), it2_end_ (it2.end ()) {}
Chris@16: #else
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), it2_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 (const self_type &mmb, const const_iterator11_type &it1, const const_iterator22_type &it2):
Chris@16:                 container_const_reference<self_type> (mmb), it1_ (it1), it2_ (it2) {}
Chris@16: #endif
Chris@16: 
Chris@16:         private:
Chris@16:             // Random access specialization
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (dense_random_access_iterator_tag) const {
Chris@16:                 const self_type &mmb = (*this) ();
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXING
Chris@16:                 return mmb (index1 (), index2 ());
Chris@16: #elif BOOST_UBLAS_USE_ITERATING
Chris@16:                 difference_type size = BOOST_UBLAS_SAME (mmb.expression1 ().size2 (), mmb.expression2 ().size1 ());
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (size, it1_.begin (), it2_begin_);
Chris@16: #else
Chris@16:                 return functor_type::apply (size, it1_.begin (), it2_.begin ());
Chris@16: #endif
Chris@16: #else
Chris@16:                 difference_type size = BOOST_UBLAS_SAME (mmb.expression1 ().size2 (), mmb.expression2 ().size1 ());
Chris@16:                 if (size >= BOOST_UBLAS_ITERATOR_THRESHOLD)
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                     return functor_type::apply (size, it1_.begin (), it2_begin_);
Chris@16: #else
Chris@16:                     return functor_type::apply (size, it1_.begin (), it2_.begin ());
Chris@16: #endif
Chris@16:                 else
Chris@16:                     return mmb (index1 (), index2 ());
Chris@16: #endif
Chris@16:             }
Chris@16: 
Chris@16:             // Packed bidirectional specialization
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (packed_random_access_iterator_tag) const {
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (it1_.begin (), it1_.end (),
Chris@16:                                         it2_begin_, it2_end_, packed_random_access_iterator_tag ());
Chris@16: #else
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:                 return functor_type::apply (it1_.begin (), it1_.end (),
Chris@16:                                         it2_.begin (), it2_.end (), packed_random_access_iterator_tag ());
Chris@16: #else
Chris@16:                 return functor_type::apply (boost::numeric::ublas::begin (it1_, iterator1_tag ()),
Chris@16:                                         boost::numeric::ublas::end (it1_, iterator1_tag ()),
Chris@16:                                         boost::numeric::ublas::begin (it2_, iterator2_tag ()),
Chris@16:                                         boost::numeric::ublas::end (it2_, iterator2_tag ()), packed_random_access_iterator_tag ());
Chris@16: #endif
Chris@16: #endif
Chris@16:             }
Chris@16: 
Chris@16:             // Sparse bidirectional specialization
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (sparse_bidirectional_iterator_tag) const {
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (it1_.begin (), it1_.end (),
Chris@16:                                         it2_begin_, it2_end_, sparse_bidirectional_iterator_tag ());
Chris@16: #else
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:                 return functor_type::apply (it1_.begin (), it1_.end (),
Chris@16:                                         it2_.begin (), it2_.end (), sparse_bidirectional_iterator_tag ());
Chris@16: #else
Chris@16:                 return functor_type::apply (boost::numeric::ublas::begin (it1_, iterator1_tag ()),
Chris@16:                                         boost::numeric::ublas::end (it1_, iterator1_tag ()),
Chris@16:                                         boost::numeric::ublas::begin (it2_, iterator2_tag ()),
Chris@16:                                         boost::numeric::ublas::end (it2_, iterator2_tag ()), sparse_bidirectional_iterator_tag ());
Chris@16: #endif
Chris@16: #endif
Chris@16:             }
Chris@16: 
Chris@16:         public:
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator ++ () {
Chris@16:                 ++ it1_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -- () {
Chris@16:                 -- it1_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator += (difference_type n) {
Chris@16:                 it1_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator -= (difference_type n) {
Chris@16:                 it1_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
Chris@16:                 return it1_ - it.it1_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return dereference (iterator_category ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator2 begin () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), 0);
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator2 end () const {
Chris@16:                 return (*this) ().find2 (1, index1 (), (*this) ().size2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator2 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rbegin () const {
Chris@16:                 return const_reverse_iterator2 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator2 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator2 rend () const {
Chris@16:                 return const_reverse_iterator2 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator2 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return it1_.index1 ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index2 () const {
Chris@16:                 return it2_.index2 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator1 &operator = (const const_iterator1 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it1_ = it.it1_;
Chris@16:                 it2_ = it.it2_;
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 it2_begin_ = it.it2_begin_;
Chris@16:                 it2_end_ = it.it2_end_;
Chris@16: #endif
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
Chris@16:                 return it1_ == it.it1_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator1 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
Chris@16:                 return it1_ < it.it1_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             const_iterator11_type it1_;
Chris@16:             // Mutable due to assignment
Chris@16:             /* const */ const_iterator22_type it2_;
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             /* const */ const_iterator21_type it2_begin_;
Chris@16:             /* const */ const_iterator21_type it2_end_;
Chris@16: #endif
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 begin1 () const {
Chris@16:             return find1 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cbegin1 () const {
Chris@101:             return begin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator1 end1 () const {
Chris@16:             return find1 (0, size1 (), 0);
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator1 cend1 () const {
Chris@101:             return end1 ();
Chris@101:         }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
Chris@16:         class const_iterator2:
Chris@16:             public container_const_reference<matrix_matrix_binary>,
Chris@16:             public iterator_base_traits<typename iterator_restrict_traits<typename E1::const_iterator1::iterator_category,
Chris@16:                                                                           typename E2::const_iterator2::iterator_category>::iterator_category>::template
Chris@16:                 iterator_base<const_iterator2, value_type>::type {
Chris@16:         public:
Chris@16:             typedef typename iterator_restrict_traits<typename E1::const_iterator1::iterator_category,
Chris@16:                                                       typename E2::const_iterator2::iterator_category>::iterator_category iterator_category;
Chris@16:             typedef typename matrix_matrix_binary::difference_type difference_type;
Chris@16:             typedef typename matrix_matrix_binary::value_type value_type;
Chris@16:             typedef typename matrix_matrix_binary::const_reference reference;
Chris@16:             typedef typename matrix_matrix_binary::const_pointer pointer;
Chris@16: 
Chris@16:             typedef const_iterator1 dual_iterator_type;
Chris@16:             typedef const_reverse_iterator1 dual_reverse_iterator_type;
Chris@16: 
Chris@16:             // Construction and destruction
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), it2_ (), it1_begin_ (), it1_end_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 (const self_type &mmb, const const_iterator11_type &it1, const const_iterator22_type &it2):
Chris@16:                 container_const_reference<self_type> (mmb), it1_ (it1), it2_ (it2), it1_begin_ (it1.begin ()), it1_end_ (it1.end ()) {}
Chris@16: #else
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 ():
Chris@16:                 container_const_reference<self_type> (), it1_ (), it2_ () {}
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 (const self_type &mmb, const const_iterator11_type &it1, const const_iterator22_type &it2):
Chris@16:                 container_const_reference<self_type> (mmb), it1_ (it1), it2_ (it2) {}
Chris@16: #endif
Chris@16: 
Chris@16:         private:
Chris@16:             // Random access specialization
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (dense_random_access_iterator_tag) const {
Chris@16:                 const self_type &mmb = (*this) ();
Chris@16: #ifdef BOOST_UBLAS_USE_INDEXING
Chris@16:                 return mmb (index1 (), index2 ());
Chris@16: #elif BOOST_UBLAS_USE_ITERATING
Chris@16:                 difference_type size = BOOST_UBLAS_SAME (mmb.expression1 ().size2 (), mmb.expression2 ().size1 ());
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (size, it1_begin_, it2_.begin ());
Chris@16: #else
Chris@16:                 return functor_type::apply (size, it1_.begin (), it2_.begin ());
Chris@16: #endif
Chris@16: #else
Chris@16:                 difference_type size = BOOST_UBLAS_SAME (mmb.expression1 ().size2 (), mmb.expression2 ().size1 ());
Chris@16:                 if (size >= BOOST_UBLAS_ITERATOR_THRESHOLD)
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                     return functor_type::apply (size, it1_begin_, it2_.begin ());
Chris@16: #else
Chris@16:                     return functor_type::apply (size, it1_.begin (), it2_.begin ());
Chris@16: #endif
Chris@16:                 else
Chris@16:                     return mmb (index1 (), index2 ());
Chris@16: #endif
Chris@16:             }
Chris@16: 
Chris@16:             // Packed bidirectional specialization
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (packed_random_access_iterator_tag) const {
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (it1_begin_, it1_end_,
Chris@16:                                         it2_.begin (), it2_.end (), packed_random_access_iterator_tag ());
Chris@16: #else
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:                 return functor_type::apply (it1_.begin (), it1_.end (),
Chris@16:                                         it2_.begin (), it2_.end (), packed_random_access_iterator_tag ());
Chris@16: #else
Chris@16:                 return functor_type::apply (boost::numeric::ublas::begin (it1_, iterator1_tag ()),
Chris@16:                                         boost::numeric::ublas::end (it1_, iterator1_tag ()),
Chris@16:                                         boost::numeric::ublas::begin (it2_, iterator2_tag ()),
Chris@16:                                         boost::numeric::ublas::end (it2_, iterator2_tag ()), packed_random_access_iterator_tag ());
Chris@16: #endif
Chris@16: #endif
Chris@16:             }
Chris@16: 
Chris@16:             // Sparse bidirectional specialization
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             value_type dereference (sparse_bidirectional_iterator_tag) const {
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 return functor_type::apply (it1_begin_, it1_end_,
Chris@16:                                         it2_.begin (), it2_.end (), sparse_bidirectional_iterator_tag ());
Chris@16: #else
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:                 return functor_type::apply (it1_.begin (), it1_.end (),
Chris@16:                                         it2_.begin (), it2_.end (), sparse_bidirectional_iterator_tag ());
Chris@16: #else
Chris@16:                 return functor_type::apply (boost::numeric::ublas::begin (it1_, iterator1_tag ()),
Chris@16:                                         boost::numeric::ublas::end (it1_, iterator1_tag ()),
Chris@16:                                         boost::numeric::ublas::begin (it2_, iterator2_tag ()),
Chris@16:                                         boost::numeric::ublas::end (it2_, iterator2_tag ()), sparse_bidirectional_iterator_tag ());
Chris@16: #endif
Chris@16: #endif
Chris@16:             }
Chris@16: 
Chris@16:         public:
Chris@16:             // Arithmetic
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator ++ () {
Chris@16:                 ++ it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -- () {
Chris@16:                 -- it2_;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator += (difference_type n) {
Chris@16:                 it2_ += n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator -= (difference_type n) {
Chris@16:                 it2_ -= n;
Chris@16:                 return *this;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             difference_type operator - (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
Chris@16:                 return it2_ - it.it2_;
Chris@16:             }
Chris@16: 
Chris@16:             // Dereference
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator * () const {
Chris@16:                 return dereference (iterator_category ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_reference operator [] (difference_type n) const {
Chris@16:                 return *(*this + n);
Chris@16:             }
Chris@16: 
Chris@16: #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@16:             const_iterator1 begin () const {
Chris@16:                 return (*this) ().find1 (1, 0, index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cbegin () const {
Chris@101:                 return begin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_iterator1 end () const {
Chris@16:                 return (*this) ().find1 (1, (*this) ().size1 (), index2 ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_iterator1 cend () const {
Chris@101:                 return end ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rbegin () const {
Chris@16:                 return const_reverse_iterator1 (end ());
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@16:             typename self_type::
Chris@16: #endif
Chris@101:             const_reverse_iterator1 crbegin () const {
Chris@101:                 return rbegin ();
Chris@101:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@16:             const_reverse_iterator1 rend () const {
Chris@16:                 return const_reverse_iterator1 (begin ());
Chris@16:             }
Chris@101:             BOOST_UBLAS_INLINE
Chris@101: #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
Chris@101:             typename self_type::
Chris@101: #endif
Chris@101:             const_reverse_iterator1 crend () const {
Chris@101:                 return rend ();
Chris@101:             }
Chris@16: #endif
Chris@16: 
Chris@16:             // Indices
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index1 () const {
Chris@16:                 return it1_.index1 ();
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             size_type index2 () const {
Chris@16:                 return it2_.index2 ();
Chris@16:             }
Chris@16: 
Chris@16:             // Assignment
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             const_iterator2 &operator = (const const_iterator2 &it) {
Chris@16:                 container_const_reference<self_type>::assign (&it ());
Chris@16:                 it1_ = it.it1_;
Chris@16:                 it2_ = it.it2_;
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:                 it1_begin_ = it.it1_begin_;
Chris@16:                 it1_end_ = it.it1_end_;
Chris@16: #endif
Chris@16:                 return *this;
Chris@16:             }
Chris@16: 
Chris@16:             // Comparison
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator == (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
Chris@16:                 return it2_ == it.it2_;
Chris@16:             }
Chris@16:             BOOST_UBLAS_INLINE
Chris@16:             bool operator < (const const_iterator2 &it) const {
Chris@16:                 BOOST_UBLAS_CHECK ((*this) ().same_closure (it ()), external_logic ());
Chris@16:                 BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
Chris@16:                 return it2_ < it.it2_;
Chris@16:             }
Chris@16: 
Chris@16:         private:
Chris@16:             // Mutable due to assignment
Chris@16:             /* const */ const_iterator11_type it1_;
Chris@16:             const_iterator22_type it2_;
Chris@16: #ifdef BOOST_UBLAS_USE_INVARIANT_HOISTING
Chris@16:             /* const */ const_iterator12_type it1_begin_;
Chris@16:             /* const */ const_iterator12_type it1_end_;
Chris@16: #endif
Chris@16:         };
Chris@16: #endif
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 begin2 () const {
Chris@16:             return find2 (0, 0, 0);
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cbegin2 () const {
Chris@101:             return begin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_iterator2 end2 () const {
Chris@16:             return find2 (0, 0, size2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_iterator2 cend2 () const {
Chris@101:             return end2 ();
Chris@101:         }
Chris@16: 
Chris@16:         // Reverse iterators
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rbegin1 () const {
Chris@16:             return const_reverse_iterator1 (end1 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crbegin1 () const {
Chris@101:             return rbegin1 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator1 rend1 () const {
Chris@16:             return const_reverse_iterator1 (begin1 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator1 crend1 () const {
Chris@101:             return rend1 ();
Chris@101:         }
Chris@16: 
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rbegin2 () const {
Chris@16:             return const_reverse_iterator2 (end2 ());
Chris@16:         }
Chris@16:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crbegin2 () const {
Chris@101:             return rbegin2 ();
Chris@101:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@16:         const_reverse_iterator2 rend2 () const {
Chris@16:             return const_reverse_iterator2 (begin2 ());
Chris@16:         }
Chris@101:         BOOST_UBLAS_INLINE
Chris@101:         const_reverse_iterator2 crend2 () const {
Chris@101:             return rend2 ();
Chris@101:         }
Chris@16: 
Chris@16:     private:
Chris@16:         expression1_closure_type e1_;
Chris@16:         expression2_closure_type e2_;
Chris@16:     };
Chris@16: 
Chris@16:     template<class T1, class E1, class T2, class E2>
Chris@16:     struct matrix_matrix_binary_traits {
Chris@16:         typedef unknown_storage_tag storage_category;
Chris@16:         typedef unknown_orientation_tag orientation_category;
Chris@16:         typedef typename promote_traits<T1, T2>::promote_type promote_type;
Chris@16:         typedef matrix_matrix_binary<E1, E2, matrix_matrix_prod<E1, E2, promote_type> > expression_type;
Chris@16: #ifndef BOOST_UBLAS_SIMPLE_ET_DEBUG
Chris@16:         typedef expression_type result_type;
Chris@16: #else
Chris@16:         typedef typename E1::matrix_temporary_type result_type;
Chris@16: #endif
Chris@16:     };
Chris@16: 
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_matrix_binary_traits<typename E1::value_type, E1,
Chris@16:                                          typename E2::value_type, E2>::result_type
Chris@16:     prod (const matrix_expression<E1> &e1,
Chris@16:           const matrix_expression<E2> &e2,
Chris@16:           unknown_storage_tag,
Chris@16:           unknown_orientation_tag) {
Chris@16:         typedef typename matrix_matrix_binary_traits<typename E1::value_type, E1,
Chris@16:                                                      typename E2::value_type, E2>::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2 ());
Chris@16:     }
Chris@16: 
Chris@16:     // Dispatcher
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_matrix_binary_traits<typename E1::value_type, E1,
Chris@16:                                          typename E2::value_type, E2>::result_type
Chris@16:     prod (const matrix_expression<E1> &e1,
Chris@16:           const matrix_expression<E2> &e2) {
Chris@16:         BOOST_STATIC_ASSERT (E1::complexity == 0 && E2::complexity == 0);
Chris@16:         typedef typename matrix_matrix_binary_traits<typename E1::value_type, E1,
Chris@16:                                                      typename E2::value_type, E2>::storage_category storage_category;
Chris@16:         typedef typename matrix_matrix_binary_traits<typename E1::value_type, E1,
Chris@16:                                                      typename E2::value_type, E2>::orientation_category orientation_category;
Chris@16:         return prod (e1, e2, storage_category (), orientation_category ());
Chris@16:     }
Chris@16: 
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_matrix_binary_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                          typename type_traits<typename E2::value_type>::precision_type, E2>::result_type
Chris@16:     prec_prod (const matrix_expression<E1> &e1,
Chris@16:                const matrix_expression<E2> &e2,
Chris@16:                unknown_storage_tag,
Chris@16:                unknown_orientation_tag) {
Chris@16:         typedef typename matrix_matrix_binary_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                                      typename type_traits<typename E2::value_type>::precision_type, E2>::expression_type expression_type;
Chris@16:         return expression_type (e1 (), e2 ());
Chris@16:     }
Chris@16: 
Chris@16:     // Dispatcher
Chris@16:     template<class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_matrix_binary_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                          typename type_traits<typename E2::value_type>::precision_type, E2>::result_type
Chris@16:     prec_prod (const matrix_expression<E1> &e1,
Chris@16:                const matrix_expression<E2> &e2) {
Chris@16:         BOOST_STATIC_ASSERT (E1::complexity == 0 && E2::complexity == 0);
Chris@16:         typedef typename matrix_matrix_binary_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                                      typename type_traits<typename E2::value_type>::precision_type, E2>::storage_category storage_category;
Chris@16:         typedef typename matrix_matrix_binary_traits<typename type_traits<typename E1::value_type>::precision_type, E1,
Chris@16:                                                      typename type_traits<typename E2::value_type>::precision_type, E2>::orientation_category orientation_category;
Chris@16:         return prec_prod (e1, e2, storage_category (), orientation_category ());
Chris@16:     }
Chris@16: 
Chris@16:     template<class M, class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     M &
Chris@16:     prod (const matrix_expression<E1> &e1,
Chris@16:           const matrix_expression<E2> &e2,
Chris@16:           M &m) {
Chris@16:         return m.assign (prod (e1, e2));
Chris@16:     }
Chris@16: 
Chris@16:     template<class M, class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     M &
Chris@16:     prec_prod (const matrix_expression<E1> &e1,
Chris@16:                const matrix_expression<E2> &e2,
Chris@16:                M &m) {
Chris@16:         return m.assign (prec_prod (e1, e2));
Chris@16:     }
Chris@16: 
Chris@16:     template<class M, class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     M
Chris@16:     prod (const matrix_expression<E1> &e1,
Chris@16:           const matrix_expression<E2> &e2) {
Chris@16:         return M (prod (e1, e2));
Chris@16:     }
Chris@16: 
Chris@16:     template<class M, class E1, class E2>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     M
Chris@16:     prec_prod (const matrix_expression<E1> &e1,
Chris@16:                const matrix_expression<E2> &e2) {
Chris@16:         return M (prec_prod (e1, e2));
Chris@16:     }
Chris@16: 
Chris@16:     template<class E, class F>
Chris@16:     class matrix_scalar_unary:
Chris@16:         public scalar_expression<matrix_scalar_unary<E, F> > {
Chris@16:     public:
Chris@16:         typedef E expression_type;
Chris@16:         typedef F functor_type;
Chris@16:         typedef typename F::result_type value_type;
Chris@16:         typedef typename E::const_closure_type expression_closure_type;
Chris@16: 
Chris@16:         // Construction and destruction
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         explicit matrix_scalar_unary (const expression_type &e):
Chris@16:             e_ (e) {}
Chris@16: 
Chris@16:     private:
Chris@16:         // Expression accessors
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         const expression_closure_type &expression () const {
Chris@16:             return e_;
Chris@16:         }
Chris@16: 
Chris@16:     public:
Chris@16:         BOOST_UBLAS_INLINE
Chris@16:         operator value_type () const {
Chris@16:             return functor_type::apply (e_);
Chris@16:         }
Chris@16: 
Chris@16:     private:
Chris@16:         expression_closure_type e_;
Chris@16:     };
Chris@16: 
Chris@16:     template<class E, class F>
Chris@16:     struct matrix_scalar_unary_traits {
Chris@16:         typedef matrix_scalar_unary<E, F> expression_type;
Chris@16: #ifndef BOOST_UBLAS_SIMPLE_ET_DEBUG
Chris@16:          typedef expression_type result_type;
Chris@16: #else
Chris@16:          typedef typename F::result_type result_type;
Chris@16: #endif
Chris@16:     };
Chris@16: 
Chris@16:     template<class E>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_scalar_unary_traits<E, matrix_norm_1<E> >::result_type
Chris@16:     norm_1 (const matrix_expression<E> &e) {
Chris@16:         typedef typename matrix_scalar_unary_traits<E, matrix_norm_1<E> >::expression_type expression_type;
Chris@16:         return expression_type (e ());
Chris@16:     }
Chris@16: 
Chris@16:     template<class E>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_scalar_unary_traits<E, matrix_norm_frobenius<E> >::result_type
Chris@16:     norm_frobenius (const matrix_expression<E> &e) {
Chris@16:         typedef typename matrix_scalar_unary_traits<E, matrix_norm_frobenius<E> >::expression_type expression_type;
Chris@16:         return expression_type (e ());
Chris@16:     }
Chris@16: 
Chris@16:     template<class E>
Chris@16:     BOOST_UBLAS_INLINE
Chris@16:     typename matrix_scalar_unary_traits<E, matrix_norm_inf<E> >::result_type
Chris@16:     norm_inf (const matrix_expression<E> &e) {
Chris@16:         typedef typename matrix_scalar_unary_traits<E, matrix_norm_inf<E> >::expression_type expression_type;
Chris@16:         return expression_type (e ());
Chris@16:     }
Chris@16: 
Chris@16: }}}
Chris@16: 
Chris@16: #endif