Sprout/sprout/math/is_odd.hpp
2013-05-06 00:22:08 +09:00

28 lines
723 B
C++

#ifndef SPROUT_MATH_IS_ODD_HPP
#define SPROUT_MATH_IS_ODD_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/type_traits/enabler_if.hpp>
#include <sprout/math/fmod.hpp>
namespace sprout {
namespace math {
namespace detail {
template<
typename FloatType,
typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR bool
is_odd(FloatType x) {
return sprout::math::fmod(x, FloatType(2)) == FloatType(1);
}
} // namespace detail
using sprout::math::detail::is_odd;
} // namespace math
using sprout::math::is_odd;
} // namespace sprout
#endif // #ifndef SPROUT_MATH_IS_ODD_HPP