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

28 lines
724 B
C++

#ifndef SPROUT_MATH_IS_INTEGER_HPP
#define SPROUT_MATH_IS_INTEGER_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/type_traits/enabler_if.hpp>
#include <sprout/math/trunc.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_integer(FloatType x) {
return x == sprout::math::trunc(x);
}
} // namespace detail
using sprout::math::detail::is_integer;
} // namespace math
using sprout::math::is_integer;
} // namespace sprout
#endif // #ifndef SPROUT_MATH_IS_INTEGER_HPP