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add math::lgamma

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This commit is contained in:
bolero-MURAKAMI 2013-04-23 19:03:03 +09:00
parent a55c430f09
commit 5f40808f75
58 changed files with 323 additions and 116 deletions
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sprout/math/erf.hpp
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@ -34,7 +34,7 @@ namespace sprout {
template<typename T>
inline SPROUT_CONSTEXPR T
erf_impl(T x2, T a) {
return T(1) - sprout::math::exp(-x2 / (T(1) + a * x2) * (sprout::math::quarter_pi<T>() + a * x2));
return T(1) - sprout::exp(-x2 / (T(1) + a * x2) * (sprout::math::quarter_pi<T>() + a * x2));
}
template<
typename FloatType,