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

fix math functions

Browse source
This commit is contained in:
bolero-MURAKAMI 2013-04-29 10:56:46 +09:00
parent 2e2b6c96ab
commit ffb876c930
23 changed files with 85 additions and 37 deletions
Download patch file Download diff file Expand all files Collapse all files

4
sprout/math/tanh.hpp
View file

@ -6,6 +6,7 @@
#include <sprout/config.hpp>
#include <sprout/math/detail/config.hpp>
#include <sprout/math/detail/float_compute.hpp>
#include <sprout/math/isnan.hpp>
#include <sprout/math/sinh.hpp>
#include <sprout/math/cosh.hpp>
#include <sprout/type_traits/enabler_if.hpp>
@ -25,7 +26,8 @@ namespace sprout {
>
inline SPROUT_CONSTEXPR FloatType
tanh(FloatType x) {
return x == std::numeric_limits<FloatType>::infinity() ? FloatType(1)
return sprout::math::isnan(x) ? x
: x == std::numeric_limits<FloatType>::infinity() ? FloatType(1)
: x == -std::numeric_limits<FloatType>::infinity() ? FloatType(-1)
#if SPROUT_USE_BUILTIN_CMATH_FUNCTION
: std::tanh(x)