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fix math functions

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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
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7
sprout/math/tan.hpp
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@ -1,6 +1,7 @@
#ifndef SPROUT_MATH_TAN_HPP
#define SPROUT_MATH_TAN_HPP
#include <limits>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/math/detail/config.hpp>
@ -17,7 +18,11 @@ namespace sprout {
>
inline SPROUT_CONSTEXPR FloatType
tan(FloatType x) {
return sprout::math::sin(x) / sprout::math::cos(x);
return x == 0 ? FloatType(0)
: x == std::numeric_limits<FloatType>::infinity() || x == -std::numeric_limits<FloatType>::infinity()
? std::numeric_limits<FloatType>::quiet_NaN()
: sprout::math::sin(x) / sprout::math::cos(x)
;
}
template<