mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
33 lines
798 B
C++
33 lines
798 B
C++
|
#ifndef SPROUT_MATH_DETAIL_COSP_HPP
|
||
|
|
#define SPROUT_MATH_DETAIL_COSP_HPP
|
||
|
|
|
||
|
|
#include <sprout/config.hpp>
|
||
|
|
|
||
|
|
namespace sprout {
|
||
|
|
namespace math {
|
||
|
|
namespace detail {
|
||
|
|
template<typename T>
|
||
|
|
inline SPROUT_CONSTEXPR T
|
||
|
|
cosp_impl(T x2) {
|
||
|
|
return (((((((
|
||
|
|
-1.13585365213876817300e-11) * x2
|
||
|
|
+ 2.08757008419747316778e-9) * x2
|
||
|
|
- 2.75573141792967388112e-7) * x2
|
||
|
|
+ 2.48015872888517045348e-5) * x2
|
||
|
|
- 1.38888888888730564116e-3) * x2
|
||
|
|
+ 4.16666666666665929218e-2) * x2
|
||
|
|
- 0.5) * x2
|
||
|
|
+ 1.0
|
||
|
|
;
|
||
|
|
}
|
||
|
|
template<typename T>
|
||
|
|
inline SPROUT_CONSTEXPR T
|
||
|
|
cosp(T x) {
|
||
|
|
return sprout::math::detail::cosp_impl(x * x);
|
||
|
|
}
|
||
|
|
} // namespace detail
|
||
|
|
} // namespace math
|
||
|
|
} // namespace sprout
|
||
|
|
|
||
|
|
#endif // #ifndef SPROUT_MATH_DETAIL_COSP_HPP
|