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- [/
- Copyright 2007 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).
- ]
- [section:floating_point_promotion floating_point_promotion]
- template <class T>
- struct floating_point_promotion
- {
- typedef __below type;
- };
-
- template <class T> using floating_point_promotion_t = typename floating_point_promotion<T>::type; // C++11 and above
- __type If floating point promotion can be applied to an rvalue of type `T`,
- then applies floating point promotion to `T` and keeps cv-qualifiers of `T`,
- otherwise leaves `T` unchanged.
- __std_ref 4.6.
- __header ` #include <boost/type_traits/floating_point_promotion.hpp>` or ` #include <boost/type_traits.hpp>`
- [table Examples
- [ [Expression] [Result Type]]
- [[`floating_point_promotion<float const>::type`][`double const`]]
- [[`floating_point_promotion<float&>::type`][`float&`]]
- [[`floating_point_promotion<short>::type`][`short`]]
- ]
- [all_compilers]
- [endsect]
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