mirror/Sprout
1
0
Fork 0
mirror of https://github.com/bolero-MURAKAMI/Sprout.git synced 2025-07-06 14:24:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

fix math functions

Browse source
This commit is contained in:
bolero-MURAKAMI 2013-05-06 00:22:08 +09:00
parent fccb16687b
commit 7794e56192
27 changed files with 342 additions and 102 deletions
Download patch file Download diff file Expand all files Collapse all files

5
sprout/math/float_sig_exp.hpp
View file

@ -1,7 +1,6 @@
#ifndef SPROUT_MATH_FLOAT_SIG_EXP_HPP
#define SPROUT_MATH_FLOAT_SIG_EXP_HPP
#include <climits>
#include <limits>
#include <type_traits>
#include <sprout/config.hpp>
@ -29,9 +28,9 @@ namespace sprout {
inline SPROUT_CONSTEXPR sprout::pair<FloatType, int>
float_sig_exp(FloatType x) {
typedef sprout::pair<FloatType, int> type;
return x == std::numeric_limits<FloatType>::infinity() ? type(std::numeric_limits<FloatType>::infinity(), 0)
return sprout::math::isnan(x) ? type(x, 0)
: x == std::numeric_limits<FloatType>::infinity() ? type(std::numeric_limits<FloatType>::infinity(), 0)
: x == -std::numeric_limits<FloatType>::infinity() ? type(-std::numeric_limits<FloatType>::infinity(), 0)
: sprout::math::isnan(x) ? type(std::numeric_limits<FloatType>::quiet_NaN(), FP_ILOGBNAN)
: x == 0 ? type(x, 0)
: sprout::math::detail::float_sig_exp_impl(x, sprout::math::ilogb(x) + 1)
;