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

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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
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40
sprout/math/isfinite.hpp
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@ -18,19 +18,39 @@
namespace sprout {
namespace math {
namespace detail {
template<
typename FloatType,
typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler
>
#if SPROUT_USE_BUILTIN_CMATH_FUNCTION
template<typename FloatType>
inline SPROUT_CONSTEXPR bool
isfinite(FloatType x) {
return !sprout::math::isnan(x)
&& !sprout::math::isinf(x)
;
builtin_isfinite(FloatType x) {
return __builtin_isfinite(x);
}
#endif
} // namespace detail
using NS_SPROUT_MATH_DETAIL::isfinite;
//
// isfinite
//
template<
typename FloatType,
typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR bool
isfinite(FloatType x) {
return
#if SPROUT_USE_BUILTIN_CMATH_FUNCTION
sprout::math::detail::builtin_isfinite(x)
#else
!(sprout::math::isnan(x) || sprout::math::isinf(x))
#endif
;
}
template<
typename IntType,
typename sprout::enabler_if<std::is_integral<IntType>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR bool
isfinite(IntType x) {
return true;
}
} // namespace math
using sprout::math::isfinite;