| /////////////////////////////////////////////////////////////////////////////// |
| // Copyright 2013 John Maddock. Distributed under the Boost |
| // Software License, Version 1.0. (See accompanying file |
| // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| #ifndef BOOST_MP_UBLAS_HPP |
| #define BOOST_MP_UBLAS_HPP |
| |
| namespace boost { namespace numeric { namespace ublas { |
| |
| template<class V> |
| class sparse_vector_element; |
| |
| template <class V, class Backend, multiprecision::expression_template_option ExpressionTemplates> |
| inline bool operator == (const sparse_vector_element<V>& a, const ::boost::multiprecision::number<Backend, ExpressionTemplates>& b) |
| { |
| typedef typename sparse_vector_element<V>::const_reference ref_type; |
| return static_cast<ref_type>(a) == b; |
| } |
| |
| template<class X, class Y> |
| struct promote_traits; |
| |
| template <class Backend1, boost::multiprecision::expression_template_option ExpressionTemplates1, class Backend2, boost::multiprecision::expression_template_option ExpressionTemplates2> |
| struct promote_traits<boost::multiprecision::number<Backend1, ExpressionTemplates1>, boost::multiprecision::number<Backend2, ExpressionTemplates2> > |
| { |
| typedef boost::multiprecision::number<Backend1, ExpressionTemplates1> number1_t; |
| typedef boost::multiprecision::number<Backend2, ExpressionTemplates2> number2_t; |
| typedef typename mpl::if_c< |
| is_convertible<number1_t, number2_t>::value && !is_convertible<number2_t, number1_t>::value, |
| number2_t, number1_t |
| >::type promote_type; |
| }; |
| |
| template <class Backend1, boost::multiprecision::expression_template_option ExpressionTemplates1, class tag, class Arg1, class Arg2, class Arg3, class Arg4> |
| struct promote_traits<boost::multiprecision::number<Backend1, ExpressionTemplates1>, boost::multiprecision::detail::expression<tag, Arg1, Arg2, Arg3, Arg4> > |
| { |
| typedef boost::multiprecision::number<Backend1, ExpressionTemplates1> number1_t; |
| typedef boost::multiprecision::detail::expression<tag, Arg1, Arg2, Arg3, Arg4> expression_type; |
| typedef typename expression_type::result_type number2_t; |
| typedef typename promote_traits<number1_t, number2_t>::promote_type promote_type; |
| }; |
| |
| template <class tag, class Arg1, class Arg2, class Arg3, class Arg4, class Backend1, boost::multiprecision::expression_template_option ExpressionTemplates1> |
| struct promote_traits<boost::multiprecision::detail::expression<tag, Arg1, Arg2, Arg3, Arg4>, boost::multiprecision::number<Backend1, ExpressionTemplates1> > |
| { |
| typedef boost::multiprecision::number<Backend1, ExpressionTemplates1> number1_t; |
| typedef boost::multiprecision::detail::expression<tag, Arg1, Arg2, Arg3, Arg4> expression_type; |
| typedef typename expression_type::result_type number2_t; |
| typedef typename promote_traits<number1_t, number2_t>::promote_type promote_type; |
| }; |
| |
| template <class tag, class Arg1, class Arg2, class Arg3, class Arg4, class tagb, class Arg1b, class Arg2b, class Arg3b, class Arg4b> |
| struct promote_traits<boost::multiprecision::detail::expression<tag, Arg1, Arg2, Arg3, Arg4>, boost::multiprecision::detail::expression<tagb, Arg1b, Arg2b, Arg3b, Arg4b> > |
| { |
| typedef boost::multiprecision::detail::expression<tag, Arg1, Arg2, Arg3, Arg4> expression1_t; |
| typedef typename expression1_t::result_type number1_t; |
| typedef boost::multiprecision::detail::expression<tagb, Arg1b, Arg2b, Arg3b, Arg4b> expression2_t; |
| typedef typename expression2_t::result_type number2_t; |
| }; |
| |
| }}} // namespace |
| |
| #endif |
| |