mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-12-23 21:25:49 +00:00
35 lines
791 B
C++
35 lines
791 B
C++
|
#ifndef SPROUT_MATH_SIGNBIT_HPP
|
||
|
|
#define SPROUT_MATH_SIGNBIT_HPP
|
||
|
|
|
||
|
|
#include <type_traits>
|
||
|
|
#include <sprout/config.hpp>
|
||
|
|
#include <sprout/utility/enabler_if.hpp>
|
||
|
|
#if SPROUT_USE_BUILTIN_CMATH_FUNCTION
|
||
|
|
# include <cmath>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
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 int
|
||
|
|
signbit(FloatType x) {
|
||
|
|
return x < 0;
|
||
|
|
}
|
||
|
|
} // namespace detail
|
||
|
|
|
||
|
|
# if SPROUT_USE_BUILTIN_CMATH_FUNCTION
|
||
|
|
using std::signbit;
|
||
|
|
# else
|
||
|
|
using sprout::math::detail::signbit;
|
||
|
|
# endif
|
||
|
|
} // namespace math
|
||
|
|
|
||
|
|
using sprout::math::signbit;
|
||
|
|
} // namespace sprout
|
||
|
|
|
||
|
|
#endif // #ifndef SPROUT_MATH_SIGNBIT_HPP
|