mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
38 lines
1 KiB
C++
38 lines
1 KiB
C++
#ifndef SPROUT_MATH_LDEXP_HPP
|
|
#define SPROUT_MATH_LDEXP_HPP
|
|
|
|
#include <type_traits>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/math/detail/config.hpp>
|
|
#include <sprout/detail/pow.hpp>
|
|
#include <sprout/type_traits/enabler_if.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 FloatType
|
|
ldexp(FloatType x, int exp) {
|
|
return x * sprout::detail::pow_n(FloatType(2), exp);
|
|
}
|
|
|
|
template<
|
|
typename IntType,
|
|
typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler
|
|
>
|
|
inline SPROUT_CONSTEXPR double
|
|
ldexp(IntType x, int exp) {
|
|
return sprout::math::detail::ldexp(static_cast<double>(x), exp);
|
|
}
|
|
} // namespace detail
|
|
|
|
using NS_SPROUT_MATH_DETAIL::ldexp;
|
|
} // namespace math
|
|
|
|
using sprout::math::ldexp;
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_MATH_LDEXP_HPP
|