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 2013-02-14 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

11
sprout/math/hypot.hpp
View file

@ -1,11 +1,13 @@
#ifndef SPROUT_MATH_HYPOT_HPP
#define SPROUT_MATH_HYPOT_HPP
#include <limits>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/type_traits/float_promote.hpp>
#include <sprout/type_traits/enabler_if.hpp>
#include <sprout/math/detail/config.hpp>
#include <sprout/math/fabs.hpp>
#include <sprout/math/sqrt.hpp>
namespace sprout {
@ -17,7 +19,14 @@ namespace sprout {
>
inline SPROUT_CONSTEXPR FloatType
hypot(FloatType x, FloatType y) {
return sprout::math::sqrt(x * x + y * y);
return y == 0 ? sprout::math::fabs(x)
: x == 0 ? sprout::math::fabs(y)
: y == std::numeric_limits<FloatType>::infinity() || y == -std::numeric_limits<FloatType>::infinity()
? std::numeric_limits<FloatType>::infinity()
: x == std::numeric_limits<FloatType>::infinity() || x == -std::numeric_limits<FloatType>::infinity()
? std::numeric_limits<FloatType>::infinity()
: sprout::math::sqrt(x * x + y * y)
;
}
template<