mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-12-25 21:35:41 +00:00
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
#ifndef SPROUT_MATH_LLROUND_HPP
|
|
#define SPROUT_MATH_LLROUND_HPP
|
|
|
|
#include <type_traits>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/limits.hpp>
|
|
#include <sprout/math/detail/config.hpp>
|
|
#include <sprout/math/isnan.hpp>
|
|
#include <sprout/math/isinf.hpp>
|
|
#include <sprout/math/iround.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 long long
|
|
llround(FloatType x) {
|
|
return sprout::math::isnan(x) || sprout::math::isinf(x) ? sprout::numeric_limits<long long>::min()
|
|
#if SPROUT_USE_BUILTIN_CMATH_FUNCTION
|
|
: std::llround(x)
|
|
#else
|
|
: sprout::math::iround<long long>(x);
|
|
#endif
|
|
;
|
|
}
|
|
template<
|
|
typename IntType,
|
|
typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler
|
|
>
|
|
inline SPROUT_CONSTEXPR long long
|
|
llround(IntType x) {
|
|
#if SPROUT_USE_BUILTIN_CMATH_FUNCTION
|
|
return std::llround(x);
|
|
#else
|
|
return sprout::math::iround<long long>(x);
|
|
#endif
|
|
}
|
|
} // namespace detail
|
|
|
|
using sprout::math::detail::llround;
|
|
} // namespace math
|
|
|
|
using sprout::math::llround;
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_MATH_LLROUND_HPP
|