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36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2015 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_MATH_COMPARE_HPP
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#define SPROUT_MATH_COMPARE_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/math/equal_to.hpp>
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#include <sprout/math/less.hpp>
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#include <sprout/type_traits/enabler_if.hpp>
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namespace sprout {
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namespace math {
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//
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// compare
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//
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template<
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typename T, typename U,
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typename sprout::enabler_if<std::is_arithmetic<T>::value && std::is_arithmetic<U>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR int
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compare(T x, U y) {
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return sprout::math::equal_to(x, y) ? 0
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: sprout::math::less(x, y) ? -1
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: 1
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;
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}
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} // namespace math
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} // namespace sprout
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#endif // #ifndef SPROUT_MATH_COMPARE_HPP
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