1
0
Fork 0
mirror of https://github.com/bolero-MURAKAMI/Sprout synced 2025-08-03 12:49:50 +00:00

fix: math functions (support for inferior C++14 standard)

add C++14 constexpr modifying algorithms
This commit is contained in:
bolero-MURAKAMI 2013-10-25 12:29:16 +09:00
parent 58cff54e0d
commit c58c9cc0fc
106 changed files with 3465 additions and 2144 deletions

View file

@ -26,31 +26,31 @@ namespace sprout {
exp10_impl(T x) {
return sprout::math::exp(x * sprout::math::ln_ten<T>());
}
template<
typename FloatType,
typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR FloatType
exp10(FloatType x) {
return sprout::math::isnan(x) ? x
: x == -sprout::numeric_limits<FloatType>::infinity() ? FloatType(0)
: x == sprout::numeric_limits<FloatType>::infinity() ? sprout::numeric_limits<FloatType>::infinity()
: x == 0 ? FloatType(1)
: static_cast<FloatType>(sprout::math::detail::exp10_impl(static_cast<typename sprout::math::detail::float_compute<FloatType>::type>(x)))
;
}
template<
typename IntType,
typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR double
exp10(IntType x) {
return sprout::math::detail::exp10(static_cast<double>(x));
}
} // namespace detail
using sprout::math::detail::exp10;
//
// exp10
//
template<
typename FloatType,
typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR FloatType
exp10(FloatType x) {
return sprout::math::isnan(x) ? x
: x == -sprout::numeric_limits<FloatType>::infinity() ? FloatType(0)
: x == sprout::numeric_limits<FloatType>::infinity() ? sprout::numeric_limits<FloatType>::infinity()
: x == 0 ? FloatType(1)
: static_cast<FloatType>(sprout::math::detail::exp10_impl(static_cast<typename sprout::math::detail::float_compute<FloatType>::type>(x)))
;
}
template<
typename IntType,
typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR double
exp10(IntType x) {
return sprout::math::exp10(static_cast<double>(x));
}
} // namespace math
using sprout::math::exp10;