Sprout/sprout/rational/values.hpp
2013-08-09 22:14:43 +09:00

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C++

/*=============================================================================
Copyright (c) 2011-2013 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
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 SPROUT_RATIONAL_VALUES_HPP
#define SPROUT_RATIONAL_VALUES_HPP
#include <sprout/config.hpp>
#include <sprout/rational/rational.hpp>
#include <sprout/cstdlib/abs.hpp>
namespace sprout {
//
// abs
//
template<typename IntType>
inline SPROUT_CONSTEXPR sprout::rational<IntType>
abs(sprout::rational<IntType> const& x) {
return x.numerator() >= IntType(0) ? x
: sprout::detail::rational_construct_access<IntType>::raw_construct(
-x.numerator(), x.denominator()
)
;
}
} // namespace sprout
#endif // SPROUT_RATIONAL_VALUES_HPP