Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: //  Copyright 2012 John Maddock. Distributed under the Boost
Chris@16: //  Software License, Version 1.0. (See accompanying file
Chris@16: //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_MP_COMPARE_HPP
Chris@16: #define BOOST_MP_COMPARE_HPP
Chris@16: 
Chris@16: //
Chris@16: // Comparison operators for number.
Chris@16: //
Chris@16: 
Chris@16: namespace boost{ namespace multiprecision{
Chris@16: 
Chris@16: namespace default_ops{
Chris@16: 
Chris@16: template <class B>
Chris@16: inline bool eval_eq(const B& a, const B& b)
Chris@16: {
Chris@16:    return a.compare(b) == 0;
Chris@16: }
Chris@16: //
Chris@16: // For the default version which compares to some arbitrary type convertible to
Chris@16: // our number type, we don't know what value the ExpressionTemplates parameter to
Chris@16: // class number should be.  We generally prefer ExpressionTemplates to be enabled
Chris@16: // in case type A is itself an expression template, but we need to test both options
Chris@16: // with is_convertible in case A has an implicit conversion operator to number<B,something>.
Chris@16: // This is the case with many uBlas types for example.
Chris@16: //
Chris@16: template <class B, class A>
Chris@16: inline bool eval_eq(const B& a, const A& b)
Chris@16: {
Chris@16:    typedef typename mpl::if_c<
Chris@16:       is_convertible<A, number<B, et_on> >::value,
Chris@16:       number<B, et_on>,
Chris@16:       number<B, et_off> >::type mp_type;
Chris@16:    mp_type t(b);
Chris@16:    return eval_eq(a, t.backend());
Chris@16: }
Chris@16: 
Chris@16: template <class B>
Chris@16: inline bool eval_lt(const B& a, const B& b)
Chris@16: {
Chris@16:    return a.compare(b) < 0;
Chris@16: }
Chris@16: template <class B, class A>
Chris@16: inline bool eval_lt(const B& a, const A& b)
Chris@16: {
Chris@16:    typedef typename mpl::if_c<
Chris@16:       is_convertible<A, number<B, et_on> >::value,
Chris@16:       number<B, et_on>,
Chris@16:       number<B, et_off> >::type mp_type;
Chris@16:    mp_type t(b);
Chris@16:    return eval_lt(a, t.backend());
Chris@16: }
Chris@16: 
Chris@16: template <class B>
Chris@16: inline bool eval_gt(const B& a, const B& b)
Chris@16: {
Chris@16:    return a.compare(b) > 0;
Chris@16: }
Chris@16: template <class B, class A>
Chris@16: inline bool eval_gt(const B& a, const A& b)
Chris@16: {
Chris@16:    typedef typename mpl::if_c<
Chris@16:       is_convertible<A, number<B, et_on> >::value,
Chris@16:       number<B, et_on>,
Chris@16:       number<B, et_off> >::type mp_type;
Chris@16:    mp_type t(b);
Chris@16:    return eval_gt(a, t.backend());
Chris@16: }
Chris@16: 
Chris@16: } // namespace default_ops
Chris@16: 
Chris@16: namespace detail{
Chris@16: 
Chris@16: template <class Num, class Val>
Chris@16: struct is_valid_mixed_compare : public mpl::false_ {};
Chris@16: 
Chris@16: template <class B, expression_template_option ET, class Val>
Chris@16: struct is_valid_mixed_compare<number<B, ET>, Val> : public is_convertible<Val, number<B, ET> > {};
Chris@16: 
Chris@16: template <class B, expression_template_option ET>
Chris@16: struct is_valid_mixed_compare<number<B, ET>, number<B, ET> > : public mpl::false_ {};
Chris@16: 
Chris@16: template <class B, expression_template_option ET, class tag, class Arg1, class Arg2, class Arg3, class Arg4>
Chris@16: struct is_valid_mixed_compare<number<B, ET>, expression<tag, Arg1, Arg2, Arg3, Arg4> > 
Chris@16:    : public mpl::bool_<is_convertible<expression<tag, Arg1, Arg2, Arg3, Arg4>, number<B, ET> >::value> {};
Chris@16: 
Chris@16: template <class tag, class Arg1, class Arg2, class Arg3, class Arg4, class B, expression_template_option ET>
Chris@16: struct is_valid_mixed_compare<expression<tag, Arg1, Arg2, Arg3, Arg4>, number<B, ET> > 
Chris@16:    : public mpl::bool_<is_convertible<expression<tag, Arg1, Arg2, Arg3, Arg4>, number<B, ET> >::value> {};
Chris@16: 
Chris@16: }
Chris@16: 
Chris@101: template <class Backend, expression_template_option ExpressionTemplates, class Backend2, expression_template_option ExpressionTemplates2>
Chris@101: inline bool operator == (const number<Backend, ExpressionTemplates>& a, const number<Backend2, ExpressionTemplates2>& b)
Chris@16: {
Chris@16:    using default_ops::eval_eq;
Chris@16:    return eval_eq(a.backend(), b.backend());
Chris@16: }
Chris@16: template <class Backend, expression_template_option ExpressionTemplates, class Arithmetic>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<number<Backend, ExpressionTemplates>, Arithmetic>::value, bool>::type 
Chris@16:    operator == (const number<Backend, ExpressionTemplates>& a, const Arithmetic& b)
Chris@16: {
Chris@16:    using default_ops::eval_eq;
Chris@16:    return eval_eq(a.backend(), number<Backend, ExpressionTemplates>::canonical_value(b));
Chris@16: }
Chris@16: template <class Arithmetic, class Backend, expression_template_option ExpressionTemplates>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<number<Backend, ExpressionTemplates>, Arithmetic>::value, bool>::type 
Chris@16:    operator == (const Arithmetic& a, const number<Backend, ExpressionTemplates>& b)
Chris@16: {
Chris@16:    using default_ops::eval_eq;
Chris@16:    return eval_eq(b.backend(), number<Backend, ExpressionTemplates>::canonical_value(a));
Chris@16: }
Chris@16: template <class Arithmetic, class Tag, class A1, class A2, class A3, class A4>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, Arithmetic>::value, bool>::type 
Chris@16:    operator == (const Arithmetic& a, const detail::expression<Tag, A1, A2, A3, A4>& b)
Chris@16: {
Chris@16:    typedef typename detail::expression<Tag, A1, A2, A3, A4>::result_type result_type;
Chris@16:    using default_ops::eval_eq;
Chris@16:    result_type t(b);
Chris@16:    return eval_eq(t.backend(), result_type::canonical_value(a));
Chris@16: }
Chris@16: template <class Tag, class A1, class A2, class A3, class A4, class Arithmetic>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, Arithmetic>::value, bool>::type 
Chris@16:    operator == (const detail::expression<Tag, A1, A2, A3, A4>& a, const Arithmetic& b)
Chris@16: {
Chris@16:    typedef typename detail::expression<Tag, A1, A2, A3, A4>::result_type result_type;
Chris@16:    using default_ops::eval_eq;
Chris@16:    result_type t(a);
Chris@16:    return eval_eq(t.backend(), result_type::canonical_value(b));
Chris@16: }
Chris@16: template <class Tag, class A1, class A2, class A3, class A4, class Tagb, class A1b, class A2b, class A3b, class A4b>
Chris@16: inline typename enable_if<is_same<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, typename detail::expression<Tagb, A1b, A2b, A3b, A4b>::result_type>, bool>::type 
Chris@16:    operator == (const detail::expression<Tag, A1, A2, A3, A4>& a, const detail::expression<Tagb, A1b, A2b, A3b, A4b>& b)
Chris@16: {
Chris@16:    using default_ops::eval_eq;
Chris@16:    typename detail::expression<Tag, A1, A2, A3, A4>::result_type t(a);
Chris@16:    typename detail::expression<Tagb, A1b, A2b, A3b, A4b>::result_type t2(b);
Chris@16:    return eval_eq(t.backend(), t2.backend());
Chris@16: }
Chris@16: 
Chris@101: template <class Backend, expression_template_option ExpressionTemplates, class Backend2, expression_template_option ExpressionTemplates2>
Chris@101: inline bool operator != (const number<Backend, ExpressionTemplates>& a, const number<Backend2, ExpressionTemplates2>& b)
Chris@16: {
Chris@16:    using default_ops::eval_eq;
Chris@16:    return !eval_eq(a.backend(), b.backend());
Chris@16: }
Chris@16: template <class Backend, expression_template_option ExpressionTemplates, class Arithmetic>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<number<Backend, ExpressionTemplates>, Arithmetic>::value, bool>::type 
Chris@16:    operator != (const number<Backend, ExpressionTemplates>& a, const Arithmetic& b)
Chris@16: {
Chris@16:    using default_ops::eval_eq;
Chris@16:    return !eval_eq(a.backend(), number<Backend, et_on>::canonical_value(b));
Chris@16: }
Chris@16: template <class Arithmetic, class Backend, expression_template_option ExpressionTemplates>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<number<Backend, ExpressionTemplates>, Arithmetic>::value, bool>::type 
Chris@16:    operator != (const Arithmetic& a, const number<Backend, ExpressionTemplates>& b)
Chris@16: {
Chris@16:    using default_ops::eval_eq;
Chris@16:    return !eval_eq(b.backend(), number<Backend, et_on>::canonical_value(a));
Chris@16: }
Chris@16: template <class Arithmetic, class Tag, class A1, class A2, class A3, class A4>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, Arithmetic>::value, bool>::type 
Chris@16:    operator != (const Arithmetic& a, const detail::expression<Tag, A1, A2, A3, A4>& b)
Chris@16: {
Chris@16:    typedef typename detail::expression<Tag, A1, A2, A3, A4>::result_type result_type;
Chris@16:    using default_ops::eval_eq;
Chris@16:    result_type t(b);
Chris@16:    return !eval_eq(t.backend(), result_type::canonical_value(a));
Chris@16: }
Chris@16: template <class Tag, class A1, class A2, class A3, class A4, class Arithmetic>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, Arithmetic>::value, bool>::type 
Chris@16:    operator != (const detail::expression<Tag, A1, A2, A3, A4>& a, const Arithmetic& b)
Chris@16: {
Chris@16:    typedef typename detail::expression<Tag, A1, A2, A3, A4>::result_type result_type;
Chris@16:    using default_ops::eval_eq;
Chris@16:    result_type t(a);
Chris@16:    return !eval_eq(t.backend(), result_type::canonical_value(b));
Chris@16: }
Chris@16: template <class Tag, class A1, class A2, class A3, class A4, class Tagb, class A1b, class A2b, class A3b, class A4b>
Chris@16: inline typename enable_if<is_same<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, typename detail::expression<Tagb, A1b, A2b, A3b, A4b>::result_type>, bool>::type 
Chris@16:    operator != (const detail::expression<Tag, A1, A2, A3, A4>& a, const detail::expression<Tagb, A1b, A2b, A3b, A4b>& b)
Chris@16: {
Chris@16:    using default_ops::eval_eq;
Chris@16:    typename detail::expression<Tag, A1, A2, A3, A4>::result_type t(a);
Chris@16:    typename detail::expression<Tagb, A1b, A2b, A3b, A4b>::result_type t2(b);
Chris@16:    return !eval_eq(t.backend(), t2.backend());
Chris@16: }
Chris@16: 
Chris@101: template <class Backend, expression_template_option ExpressionTemplates, class Backend2, expression_template_option ExpressionTemplates2>
Chris@101: inline bool operator < (const number<Backend, ExpressionTemplates>& a, const number<Backend2, ExpressionTemplates2>& b)
Chris@16: {
Chris@16:    using default_ops::eval_lt;
Chris@16:    return eval_lt(a.backend(), b.backend());
Chris@16: }
Chris@16: template <class Backend, expression_template_option ExpressionTemplates, class Arithmetic>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<number<Backend, ExpressionTemplates>, Arithmetic>::value, bool>::type 
Chris@16:    operator < (const number<Backend, ExpressionTemplates>& a, const Arithmetic& b)
Chris@16: {
Chris@16:    using default_ops::eval_lt;
Chris@16:    return eval_lt(a.backend(), number<Backend, ExpressionTemplates>::canonical_value(b));
Chris@16: }
Chris@16: template <class Arithmetic, class Backend, expression_template_option ExpressionTemplates>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<number<Backend, ExpressionTemplates>, Arithmetic>::value, bool>::type 
Chris@16:    operator < (const Arithmetic& a, const number<Backend, ExpressionTemplates>& b)
Chris@16: {
Chris@16:    using default_ops::eval_gt;
Chris@16:    return eval_gt(b.backend(), number<Backend, ExpressionTemplates>::canonical_value(a));
Chris@16: }
Chris@16: template <class Arithmetic, class Tag, class A1, class A2, class A3, class A4>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, Arithmetic>::value, bool>::type 
Chris@16:    operator < (const Arithmetic& a, const detail::expression<Tag, A1, A2, A3, A4>& b)
Chris@16: {
Chris@16:    typedef typename detail::expression<Tag, A1, A2, A3, A4>::result_type result_type;
Chris@16:    using default_ops::eval_gt;
Chris@16:    result_type t(b);
Chris@16:    return eval_gt(t.backend(), result_type::canonical_value(a));
Chris@16: }
Chris@16: template <class Tag, class A1, class A2, class A3, class A4, class Arithmetic>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, Arithmetic>::value, bool>::type 
Chris@16:    operator < (const detail::expression<Tag, A1, A2, A3, A4>& a, const Arithmetic& b)
Chris@16: {
Chris@16:    typedef typename detail::expression<Tag, A1, A2, A3, A4>::result_type result_type;
Chris@16:    using default_ops::eval_lt;
Chris@16:    result_type t(a);
Chris@16:    return eval_lt(t.backend(), result_type::canonical_value(b));
Chris@16: }
Chris@16: template <class Tag, class A1, class A2, class A3, class A4, class Tagb, class A1b, class A2b, class A3b, class A4b>
Chris@16: inline typename enable_if<is_same<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, typename detail::expression<Tagb, A1b, A2b, A3b, A4b>::result_type>, bool>::type 
Chris@16:    operator < (const detail::expression<Tag, A1, A2, A3, A4>& a, const detail::expression<Tagb, A1b, A2b, A3b, A4b>& b)
Chris@16: {
Chris@16:    using default_ops::eval_lt;
Chris@16:    typename detail::expression<Tag, A1, A2, A3, A4>::result_type t(a);
Chris@16:    typename detail::expression<Tagb, A1b, A2b, A3b, A4b>::result_type t2(b);
Chris@16:    return eval_lt(t.backend(), t2.backend());
Chris@16: }
Chris@16: 
Chris@101: template <class Backend, expression_template_option ExpressionTemplates, class Backend2, expression_template_option ExpressionTemplates2>
Chris@101: inline bool operator > (const number<Backend, ExpressionTemplates>& a, const number<Backend2, ExpressionTemplates2>& b)
Chris@16: {
Chris@16:    using default_ops::eval_gt;
Chris@16:    return eval_gt(a.backend(), b.backend());
Chris@16: }
Chris@16: template <class Backend, expression_template_option ExpressionTemplates, class Arithmetic>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<number<Backend, ExpressionTemplates>, Arithmetic>::value, bool>::type 
Chris@16:    operator > (const number<Backend, ExpressionTemplates>& a, const Arithmetic& b)
Chris@16: {
Chris@16:    using default_ops::eval_gt;
Chris@16:    return eval_gt(a.backend(), number<Backend, ExpressionTemplates>::canonical_value(b));
Chris@16: }
Chris@16: template <class Arithmetic, class Backend, expression_template_option ExpressionTemplates>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<number<Backend, ExpressionTemplates>, Arithmetic>::value, bool>::type 
Chris@16:    operator > (const Arithmetic& a, const number<Backend, ExpressionTemplates>& b)
Chris@16: {
Chris@16:    using default_ops::eval_lt;
Chris@16:    return eval_lt(b.backend(), number<Backend, ExpressionTemplates>::canonical_value(a));
Chris@16: }
Chris@16: template <class Arithmetic, class Tag, class A1, class A2, class A3, class A4>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, Arithmetic>::value, bool>::type 
Chris@16:    operator > (const Arithmetic& a, const detail::expression<Tag, A1, A2, A3, A4>& b)
Chris@16: {
Chris@16:    typedef typename detail::expression<Tag, A1, A2, A3, A4>::result_type result_type;
Chris@16:    using default_ops::eval_lt;
Chris@16:    result_type t(b);
Chris@16:    return eval_lt(t.backend(), result_type::canonical_value(a));
Chris@16: }
Chris@16: template <class Tag, class A1, class A2, class A3, class A4, class Arithmetic>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, Arithmetic>::value, bool>::type 
Chris@16:    operator > (const detail::expression<Tag, A1, A2, A3, A4>& a, const Arithmetic& b)
Chris@16: {
Chris@16:    typedef typename detail::expression<Tag, A1, A2, A3, A4>::result_type result_type;
Chris@16:    using default_ops::eval_gt;
Chris@16:    result_type t(a);
Chris@16:    return eval_gt(t.backend(), result_type::canonical_value(b));
Chris@16: }
Chris@16: template <class Tag, class A1, class A2, class A3, class A4, class Tagb, class A1b, class A2b, class A3b, class A4b>
Chris@16: inline typename enable_if<is_same<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, typename detail::expression<Tagb, A1b, A2b, A3b, A4b>::result_type>, bool>::type 
Chris@16:    operator > (const detail::expression<Tag, A1, A2, A3, A4>& a, const detail::expression<Tagb, A1b, A2b, A3b, A4b>& b)
Chris@16: {
Chris@16:    using default_ops::eval_gt;
Chris@16:    typename detail::expression<Tag, A1, A2, A3, A4>::result_type t(a);
Chris@16:    typename detail::expression<Tagb, A1b, A2b, A3b, A4b>::result_type t2(b);
Chris@16:    return eval_gt(t.backend(), t2.backend());
Chris@16: }
Chris@16: 
Chris@101: template <class Backend, expression_template_option ExpressionTemplates, class Backend2, expression_template_option ExpressionTemplates2>
Chris@101: inline bool operator <= (const number<Backend, ExpressionTemplates>& a, const number<Backend2, ExpressionTemplates2>& b)
Chris@16: {
Chris@16:    using default_ops::eval_gt;
Chris@16:    return !eval_gt(a.backend(), b.backend());
Chris@16: }
Chris@16: template <class Backend, expression_template_option ExpressionTemplates, class Arithmetic>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<number<Backend, ExpressionTemplates>, Arithmetic>::value, bool>::type 
Chris@16:    operator <= (const number<Backend, ExpressionTemplates>& a, const Arithmetic& b)
Chris@16: {
Chris@16:    using default_ops::eval_gt;
Chris@16:    return !eval_gt(a.backend(), number<Backend, ExpressionTemplates>::canonical_value(b));
Chris@16: }
Chris@16: template <class Arithmetic, class Backend, expression_template_option ExpressionTemplates>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<number<Backend, ExpressionTemplates>, Arithmetic>::value, bool>::type 
Chris@16:    operator <= (const Arithmetic& a, const number<Backend, ExpressionTemplates>& b)
Chris@16: {
Chris@16:    using default_ops::eval_lt;
Chris@16:    return !eval_lt(b.backend(), number<Backend, ExpressionTemplates>::canonical_value(a));
Chris@16: }
Chris@16: template <class Arithmetic, class Tag, class A1, class A2, class A3, class A4>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, Arithmetic>::value, bool>::type 
Chris@16:    operator <= (const Arithmetic& a, const detail::expression<Tag, A1, A2, A3, A4>& b)
Chris@16: {
Chris@16:    typedef typename detail::expression<Tag, A1, A2, A3, A4>::result_type result_type;
Chris@16:    using default_ops::eval_lt;
Chris@16:    result_type t(b);
Chris@16:    return !eval_lt(t.backend(), result_type::canonical_value(a));
Chris@16: }
Chris@16: template <class Tag, class A1, class A2, class A3, class A4, class Arithmetic>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, Arithmetic>::value, bool>::type 
Chris@16:    operator <= (const detail::expression<Tag, A1, A2, A3, A4>& a, const Arithmetic& b)
Chris@16: {
Chris@16:    typedef typename detail::expression<Tag, A1, A2, A3, A4>::result_type result_type;
Chris@16:    using default_ops::eval_gt;
Chris@16:    result_type t(a);
Chris@16:    return !eval_gt(t.backend(), result_type::canonical_value(b));
Chris@16: }
Chris@16: template <class Tag, class A1, class A2, class A3, class A4, class Tagb, class A1b, class A2b, class A3b, class A4b>
Chris@16: inline typename enable_if<is_same<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, typename detail::expression<Tagb, A1b, A2b, A3b, A4b>::result_type>, bool>::type 
Chris@16:    operator <= (const detail::expression<Tag, A1, A2, A3, A4>& a, const detail::expression<Tagb, A1b, A2b, A3b, A4b>& b)
Chris@16: {
Chris@16:    using default_ops::eval_gt;
Chris@16:    typename detail::expression<Tag, A1, A2, A3, A4>::result_type t(a);
Chris@16:    typename detail::expression<Tagb, A1b, A2b, A3b, A4b>::result_type t2(b);
Chris@16:    return !eval_gt(t.backend(), t2.backend());
Chris@16: }
Chris@16: 
Chris@101: template <class Backend, expression_template_option ExpressionTemplates, class Backend2, expression_template_option ExpressionTemplates2>
Chris@101: inline bool operator >= (const number<Backend, ExpressionTemplates>& a, const number<Backend2, ExpressionTemplates2>& b)
Chris@16: {
Chris@16:    using default_ops::eval_lt;
Chris@16:    return !eval_lt(a.backend(), b.backend());
Chris@16: }
Chris@16: template <class Backend, expression_template_option ExpressionTemplates, class Arithmetic>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<number<Backend, ExpressionTemplates>, Arithmetic>::value, bool>::type 
Chris@16:    operator >= (const number<Backend, ExpressionTemplates>& a, const Arithmetic& b)
Chris@16: {
Chris@16:    using default_ops::eval_lt;
Chris@16:    return !eval_lt(a.backend(), number<Backend, ExpressionTemplates>::canonical_value(b));
Chris@16: }
Chris@16: template <class Arithmetic, class Backend, expression_template_option ExpressionTemplates>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<number<Backend, ExpressionTemplates>, Arithmetic>::value, bool>::type 
Chris@16:    operator >= (const Arithmetic& a, const number<Backend, ExpressionTemplates>& b)
Chris@16: {
Chris@16:    using default_ops::eval_gt;
Chris@16:    return !eval_gt(b.backend(), number<Backend, ExpressionTemplates>::canonical_value(a));
Chris@16: }
Chris@16: template <class Arithmetic, class Tag, class A1, class A2, class A3, class A4>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, Arithmetic>::value, bool>::type 
Chris@16:    operator >= (const Arithmetic& a, const detail::expression<Tag, A1, A2, A3, A4>& b)
Chris@16: {
Chris@16:    typedef typename detail::expression<Tag, A1, A2, A3, A4>::result_type result_type;
Chris@16:    using default_ops::eval_gt;
Chris@16:    result_type t(b);
Chris@16:    return !eval_gt(t.backend(), result_type::canonical_value(a));
Chris@16: }
Chris@16: template <class Tag, class A1, class A2, class A3, class A4, class Arithmetic>
Chris@16: inline typename enable_if_c<detail::is_valid_mixed_compare<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, Arithmetic>::value, bool>::type 
Chris@16:    operator >= (const detail::expression<Tag, A1, A2, A3, A4>& a, const Arithmetic& b)
Chris@16: {
Chris@16:    typedef typename detail::expression<Tag, A1, A2, A3, A4>::result_type result_type;
Chris@16:    using default_ops::eval_lt;
Chris@16:    result_type t(a);
Chris@16:    return !eval_lt(t.backend(), result_type::canonical_value(b));
Chris@16: }
Chris@16: template <class Tag, class A1, class A2, class A3, class A4, class Tagb, class A1b, class A2b, class A3b, class A4b>
Chris@16: inline typename enable_if<is_same<typename detail::expression<Tag, A1, A2, A3, A4>::result_type, typename detail::expression<Tagb, A1b, A2b, A3b, A4b>::result_type>, bool>::type 
Chris@16:    operator >= (const detail::expression<Tag, A1, A2, A3, A4>& a, const detail::expression<Tagb, A1b, A2b, A3b, A4b>& b)
Chris@16: {
Chris@16:    using default_ops::eval_lt;
Chris@16:    typename detail::expression<Tag, A1, A2, A3, A4>::result_type t(a);
Chris@16:    typename detail::expression<Tagb, A1b, A2b, A3b, A4b>::result_type t2(b);
Chris@16:    return !eval_lt(t.backend(), t2.backend());
Chris@16: }
Chris@16: 
Chris@16: 
Chris@16: }} // namespaces
Chris@16: 
Chris@16: #endif // BOOST_MP_COMPARE_HPP
Chris@16: