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add math::copysign

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fix hyperbolic and exponental functions: for special values
This commit is contained in:
bolero-MURAKAMI 2013-04-24 22:48:36 +09:00
parent a27c83e939
commit 32c3ba02d4
50 changed files with 540 additions and 216 deletions
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3
sprout/math/sin.hpp
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@ -7,6 +7,7 @@
#include <sprout/math/detail/config.hpp>
#include <sprout/math/detail/float_compute.hpp>
#include <sprout/math/constants.hpp>
#include <sprout/math/copysign.hpp>
#include <sprout/math/cos.hpp>
#include <sprout/type_traits/enabler_if.hpp>
#include <sprout/type_traits/float_promote.hpp>
@ -32,7 +33,7 @@ namespace sprout {
#if SPROUT_USE_BUILTIN_CMATH_FUNCTION
: std::sin(x)
#else
: x == 0 ? FloatType(0)
: x == 0 ? sprout::math::copysign(FloatType(0), x)
: static_cast<FloatType>(sprout::math::detail::sin_impl(static_cast<typename sprout::math::detail::float_compute<FloatType>::type>(x)))
#endif
;