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49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
#ifndef BOOST_NUMERIC_SAFE_COMMON_HPP
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#define BOOST_NUMERIC_SAFE_COMMON_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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// Copyright (c) 2012 Robert Ramey
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//
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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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// don't use constexpr so we can debug
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#define SAFE_NUMERIC_CONSTEXPR constexpr
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namespace boost {
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namespace numeric {
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// default implementations for required meta-functions
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template<typename T>
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struct is_safe : public std::false_type
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{};
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template<typename T>
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struct base_type {
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typedef T type;
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};
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template<class T>
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SAFE_NUMERIC_CONSTEXPR const typename base_type<T>::type & base_value(const T & t) {
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return static_cast<const typename base_type<T>::type & >(t);
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}
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template<typename T>
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struct get_promotion_policy {
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typedef void type;
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};
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template<typename T>
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struct get_exception_policy {
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typedef void type;
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};
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} // numeric
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} // boost
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#endif // BOOST_NUMERIC_SAFE_COMMON_HPP
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