max@0: // Copyright (C) 2010-2012 NICTA (www.nicta.com.au)
max@0: // Copyright (C) 2010-2012 Conrad Sanderson
max@0: // 
max@0: // This file is part of the Armadillo C++ library.
max@0: // It is provided without any warranty of fitness
max@0: // for any purpose. You can redistribute this file
max@0: // and/or modify it under the terms of the GNU
max@0: // Lesser General Public License (LGPL) as published
max@0: // by the Free Software Foundation, either version 3
max@0: // of the License or (at your option) any later version.
max@0: // (see http://www.opensource.org/licenses for more info)
max@0: 
max@0: 
max@0: //! \addtogroup Proxy
max@0: //! @{
max@0: 
max@0: 
max@0: 
max@0: template<typename T1>
max@0: class Proxy
max@0:   {
max@0:   public:
max@0:   inline Proxy(const T1& A)
max@0:     {
max@0:     arma_type_check(( is_arma_type<T1>::value == false ));
max@0:     }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: // ea_type is the "element accessor" type,
max@0: // which can provide access to elements via operator[]
max@0: 
max@0: template<typename eT>
max@0: class Proxy< Mat<eT> >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef eT                                       elem_type;
max@0:   typedef typename get_pod_type<elem_type>::result pod_type;
max@0:   typedef Mat<eT>                                  stored_type;
max@0:   typedef const eT*                                ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = false;
max@0:   static const bool has_subview        = false;
max@0:   
max@0:   arma_aligned const Mat<eT>& Q;
max@0:   
max@0:   inline explicit Proxy(const Mat<eT>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0:   
max@0:   arma_inline uword get_n_rows() const { return Q.n_rows; }
max@0:   arma_inline uword get_n_cols() const { return Q.n_cols; }
max@0:   arma_inline uword get_n_elem() const { return Q.n_elem; }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];           }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row, col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q.memptr(); }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>& X) const { return (void_ptr(&Q) == void_ptr(&X)); }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: template<typename eT>
max@0: class Proxy< Col<eT> >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef eT                                       elem_type;
max@0:   typedef typename get_pod_type<elem_type>::result pod_type;
max@0:   typedef Col<eT>                                  stored_type;
max@0:   typedef const eT*                                ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = false;
max@0:   static const bool has_subview        = false;
max@0:   
max@0:   arma_aligned const Col<eT>& Q;
max@0:   
max@0:   inline explicit Proxy(const Col<eT>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0:   
max@0:   arma_inline uword get_n_rows() const { return Q.n_rows; }
max@0:   arma_inline uword get_n_cols() const { return 1;        }
max@0:   arma_inline uword get_n_elem() const { return Q.n_elem; }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];           }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row, col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q.memptr(); }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>& X) const { return (void_ptr(&Q) == void_ptr(&X)); }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: template<typename eT>
max@0: class Proxy< Row<eT> >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef eT                                       elem_type;
max@0:   typedef typename get_pod_type<elem_type>::result pod_type;
max@0:   typedef Row<eT>                                  stored_type;
max@0:   typedef const eT*                                ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = false;
max@0:   static const bool has_subview        = false;
max@0:   
max@0:   arma_aligned const Row<eT>& Q;
max@0:   
max@0:   inline explicit Proxy(const Row<eT>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0:   
max@0:   arma_inline uword get_n_rows() const { return 1;        }
max@0:   arma_inline uword get_n_cols() const { return Q.n_cols; }
max@0:   arma_inline uword get_n_elem() const { return Q.n_elem; }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];           }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row, col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q.memptr(); }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>& X) const { return (void_ptr(&Q) == void_ptr(&X)); }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: template<typename eT, typename gen_type>
max@0: class Proxy< Gen<eT, gen_type > >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef          eT                              elem_type;
max@0:   typedef typename get_pod_type<elem_type>::result pod_type;
max@0:   typedef Gen<eT, gen_type>                        stored_type;
max@0:   typedef const Gen<eT, gen_type>&                 ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = Gen<eT, gen_type>::prefer_at_accessor;
max@0:   static const bool has_subview        = false;
max@0:   
max@0:   arma_aligned const Gen<eT, gen_type>& Q;
max@0:   
max@0:   inline explicit Proxy(const Gen<eT, gen_type>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0:   
max@0:   arma_inline uword get_n_rows() const { return Q.n_rows;          }
max@0:   arma_inline uword get_n_cols() const { return Q.n_cols;          }
max@0:   arma_inline uword get_n_elem() const { return Q.n_rows*Q.n_cols; }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];           }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row, col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q; }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>&) const { return false; }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: template<typename T1, typename op_type>
max@0: class Proxy< Op<T1, op_type> >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef typename T1::elem_type                   elem_type;
max@0:   typedef typename get_pod_type<elem_type>::result pod_type;
max@0:   typedef Mat<elem_type>                           stored_type;
max@0:   typedef const elem_type*                         ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = false;
max@0:   static const bool has_subview        = false;
max@0:   
max@0:   arma_aligned const Mat<elem_type> Q;
max@0:   
max@0:   inline explicit Proxy(const Op<T1, op_type>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0:   
max@0:   arma_inline uword get_n_rows() const { return Q.n_rows; }
max@0:   arma_inline uword get_n_cols() const { return Q.n_cols; }
max@0:   arma_inline uword get_n_elem() const { return Q.n_elem; }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];           }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row, col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q.memptr(); }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>&) const { return false; }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: template<typename T1, typename T2, typename glue_type>
max@0: class Proxy< Glue<T1, T2, glue_type> >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef typename T1::elem_type                   elem_type;
max@0:   typedef typename get_pod_type<elem_type>::result pod_type;
max@0:   typedef Mat<elem_type>                           stored_type;
max@0:   typedef const elem_type*                         ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = false;
max@0:   static const bool has_subview        = false;
max@0:   
max@0:   arma_aligned const Mat<elem_type> Q;
max@0:   
max@0:   inline explicit Proxy(const Glue<T1, T2, glue_type>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0: 
max@0:   arma_inline uword get_n_rows() const { return Q.n_rows; }
max@0:   arma_inline uword get_n_cols() const { return Q.n_cols; }
max@0:   arma_inline uword get_n_elem() const { return Q.n_elem; }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];           }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row, col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q.memptr(); }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>&) const { return false; }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: template<typename eT>
max@0: class Proxy< subview<eT> >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef eT                                       elem_type;
max@0:   typedef typename get_pod_type<elem_type>::result pod_type;
max@0:   typedef subview<eT>                              stored_type;
max@0:   typedef const subview<eT>&                       ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = true;
max@0:   static const bool has_subview        = true;
max@0:   
max@0:   arma_aligned const subview<eT>& Q;
max@0:   
max@0:   inline explicit Proxy(const subview<eT>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0:   
max@0:   arma_inline uword get_n_rows() const { return Q.n_rows; }
max@0:   arma_inline uword get_n_cols() const { return Q.n_cols; }
max@0:   arma_inline uword get_n_elem() const { return Q.n_elem; }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];           }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row, col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q; }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>& X) const { return (void_ptr(&(Q.m)) == void_ptr(&X)); }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: template<typename eT, typename T1>
max@0: class Proxy< subview_elem1<eT,T1> >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef eT                                       elem_type;
max@0:   typedef typename get_pod_type<elem_type>::result pod_type;
max@0:   typedef Mat<eT>                                  stored_type;
max@0:   typedef const eT*                                ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = false;
max@0:   static const bool has_subview        = false;
max@0:   
max@0:   arma_aligned const Mat<eT> Q;
max@0:   
max@0:   inline explicit Proxy(const subview_elem1<eT,T1>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0:   
max@0:   arma_inline uword get_n_rows() const { return Q.n_rows; }
max@0:   arma_inline uword get_n_cols() const { return 1;        }
max@0:   arma_inline uword get_n_elem() const { return Q.n_elem; }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];           }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row, col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q.memptr(); }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>&) const { return false; }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: template<typename eT>
max@0: class Proxy< diagview<eT> >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef eT                                       elem_type;
max@0:   typedef typename get_pod_type<elem_type>::result pod_type;
max@0:   typedef diagview<eT>                             stored_type;
max@0:   typedef const diagview<eT>&                      ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = false;
max@0:   static const bool has_subview        = true;
max@0:   
max@0:   arma_aligned const diagview<eT>& Q;
max@0:   
max@0:   inline explicit Proxy(const diagview<eT>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0:   
max@0:   arma_inline uword get_n_rows() const { return Q.n_rows; }
max@0:   arma_inline uword get_n_cols() const { return 1;        }
max@0:   arma_inline uword get_n_elem() const { return Q.n_elem; }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];           }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row, col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q; }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>& X) const { return (void_ptr(&(Q.m)) == void_ptr(&X)); }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: 
max@0: template<typename T1, typename eop_type>
max@0: class Proxy< eOp<T1, eop_type > >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef typename T1::elem_type                   elem_type;
max@0:   typedef typename get_pod_type<elem_type>::result pod_type;
max@0:   typedef eOp<T1, eop_type>                        stored_type;
max@0:   typedef const eOp<T1, eop_type>&                 ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = eOp<T1, eop_type>::prefer_at_accessor;
max@0:   static const bool has_subview        = eOp<T1, eop_type>::has_subview;
max@0:   
max@0:   arma_aligned const eOp<T1, eop_type>& Q;
max@0:   
max@0:   inline explicit Proxy(const eOp<T1, eop_type>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0:   
max@0:   arma_inline uword get_n_rows() const { return Q.get_n_rows(); }
max@0:   arma_inline uword get_n_cols() const { return Q.get_n_cols(); }
max@0:   arma_inline uword get_n_elem() const { return Q.get_n_elem(); }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];           }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row, col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q; }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>& X) const { return Q.P.is_alias(X); }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: template<typename T1, typename T2, typename eglue_type>
max@0: class Proxy< eGlue<T1, T2, eglue_type > >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef typename T1::elem_type                   elem_type;
max@0:   typedef typename get_pod_type<elem_type>::result pod_type;
max@0:   typedef eGlue<T1, T2, eglue_type>                stored_type;
max@0:   typedef const eGlue<T1, T2, eglue_type>&         ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = eGlue<T1, T2, eglue_type>::prefer_at_accessor;
max@0:   static const bool has_subview        = eGlue<T1, T2, eglue_type>::has_subview;
max@0:   
max@0:   arma_aligned const eGlue<T1, T2, eglue_type>& Q;
max@0:   
max@0:   inline explicit Proxy(const eGlue<T1, T2, eglue_type>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0:   
max@0:   arma_inline uword get_n_rows() const { return Q.get_n_rows(); }
max@0:   arma_inline uword get_n_cols() const { return Q.get_n_cols(); }
max@0:   arma_inline uword get_n_elem() const { return Q.get_n_elem(); }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];           }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row, col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q; }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>& X) const { return (Q.P1.is_alias(X) || Q.P2.is_alias(X)); }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: template<typename out_eT, typename T1, typename op_type>
max@0: class Proxy< mtOp<out_eT, T1, op_type> >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef          out_eT                       elem_type;
max@0:   typedef typename get_pod_type<out_eT>::result pod_type;
max@0:   typedef          Mat<out_eT>                  stored_type;
max@0:   typedef          const elem_type*             ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = false;
max@0:   static const bool has_subview        = false;
max@0:   
max@0:   arma_aligned const Mat<out_eT> Q;
max@0:   
max@0:   inline explicit Proxy(const mtOp<out_eT, T1, op_type>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0:   
max@0:   arma_inline uword get_n_rows() const { return Q.n_rows; }
max@0:   arma_inline uword get_n_cols() const { return Q.n_cols; }
max@0:   arma_inline uword get_n_elem() const { return Q.n_elem; }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];          }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row,col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q.memptr(); }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>&) const { return false; }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: template<typename out_eT, typename T1, typename T2, typename glue_type>
max@0: class Proxy< mtGlue<out_eT, T1, T2, glue_type > >
max@0:   {
max@0:   public:
max@0:   
max@0:   typedef          out_eT                       elem_type;
max@0:   typedef typename get_pod_type<out_eT>::result pod_type;
max@0:   typedef          Mat<out_eT>                  stored_type;
max@0:   typedef          const elem_type*             ea_type;
max@0:   
max@0:   static const bool prefer_at_accessor = false;
max@0:   static const bool has_subview        = false;
max@0:   
max@0:   arma_aligned const Mat<out_eT> Q;
max@0:   
max@0:   inline explicit Proxy(const mtGlue<out_eT, T1, T2, glue_type>& A)
max@0:     : Q(A)
max@0:     {
max@0:     arma_extra_debug_sigprint();
max@0:     }
max@0:   
max@0:   arma_inline uword get_n_rows() const { return Q.n_rows; }
max@0:   arma_inline uword get_n_cols() const { return Q.n_cols; }
max@0:   arma_inline uword get_n_elem() const { return Q.n_elem; }
max@0:   
max@0:   arma_inline elem_type operator[] (const uword i)                    const { return Q[i];          }
max@0:   arma_inline elem_type at         (const uword row, const uword col) const { return Q.at(row,col); }
max@0:   
max@0:   arma_inline ea_type get_ea() const { return Q.memptr(); }
max@0:   
max@0:   template<typename eT2>
max@0:   arma_inline bool is_alias(const Mat<eT2>&) const { return false; }
max@0:   };
max@0: 
max@0: 
max@0: 
max@0: //! @}