mirror/Sprout
1
0
Fork 0
mirror of https://github.com/bolero-MURAKAMI/Sprout.git synced 2025-07-14 15:04:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

fix math functions

Browse source
This commit is contained in:
bolero-MURAKAMI 2013-02-14 18:02:43 +09:00
parent 5d809ef5c9
commit fa1d769bdf
76 changed files with 582 additions and 169 deletions
Download patch file Download diff file Expand all files Collapse all files

25
sprout/math/pow.hpp
View file

@ -1,6 +1,7 @@
#ifndef SPROUT_MATH_POW_HPP
#define SPROUT_MATH_POW_HPP
#include <limits>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/math/detail/config.hpp>
@ -19,7 +20,29 @@ namespace sprout {
>
inline SPROUT_CONSTEXPR FloatType
pow(FloatType x, FloatType y) {
return x == 0 && y > 0 ? FloatType(0)
return x == 0
? y < 0 ? std::numeric_limits<FloatType>::infinity()
: y > 0 ? FloatType(0)
: sprout::math::exp(y * sprout::math::log(x))
: x == -1 && (y == std::numeric_limits<FloatType>::infinity() || y == -std::numeric_limits<FloatType>::infinity()) ? FloatType(1)
: x == 1 ? FloatType(1)
: y == 0 ? FloatType(1)
: y == -std::numeric_limits<FloatType>::infinity()
? x < 1 && x > -1 ? std::numeric_limits<FloatType>::infinity()
: x > 1 || x < -1 ? FloatType(0)
: sprout::math::exp(y * sprout::math::log(x))
: y == std::numeric_limits<FloatType>::infinity()
? x < 1 && x > -1 ? FloatType(0)
: x > 1 || x < -1 ? std::numeric_limits<FloatType>::infinity()
: sprout::math::exp(y * sprout::math::log(x))
: x == -std::numeric_limits<FloatType>::infinity()
? y < 0 ? FloatType(0)
: y > 0 ? std::numeric_limits<FloatType>::infinity()
: sprout::math::exp(y * sprout::math::log(x))
: x == std::numeric_limits<FloatType>::infinity()
? y < 0 ? FloatType(0)
: y > 0 ? std::numeric_limits<FloatType>::infinity()
: sprout::math::exp(y * sprout::math::log(x))
: sprout::math::exp(y * sprout::math::log(x))
;
}