29 lines
1.0 KiB
C++
Executable File
29 lines
1.0 KiB
C++
Executable File
// Copyright 2005 Alexander Nasonov.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef FILE_boost_type_traits_floating_point_promotion_hpp_INCLUDED
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#define FILE_boost_type_traits_floating_point_promotion_hpp_INCLUDED
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#include <boost/config.hpp>
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namespace boost {
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template<class T> struct floating_point_promotion { typedef T type; };
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template<> struct floating_point_promotion<float> { typedef double type; };
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template<> struct floating_point_promotion<float const> { typedef double const type; };
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template<> struct floating_point_promotion<float volatile>{ typedef double volatile type; };
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template<> struct floating_point_promotion<float const volatile> { typedef double const volatile type; };
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#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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template <class T> using floating_point_promotion_t = typename floating_point_promotion<T>::type;
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#endif
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}
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#endif // #ifndef FILE_boost_type_traits_floating_point_promotion_hpp_INCLUDED
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