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sprout/functional/dft.hpp 追加

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sprout/complex.hpp 修正
This commit is contained in:
bolero-MURAKAMI 2012-02-25 23:59:46 +09:00
parent aa96f9ce73
commit 10c73ea3e3
17 changed files with 453 additions and 24 deletions
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13
sprout/complex.hpp
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@ -3,14 +3,9 @@
#include <cmath>
#include <sprout/config.hpp>
#include <sprout/math/constants.hpp>
namespace sprout {
namespace detail {
template<typename T>
SPROUT_CONSTEXPR T pi_div_two() {
return 1.5707963267948966192313216916397514L;
}
} // namespace detail
template<typename T>
class complex;
template<typename T>
@ -94,7 +89,7 @@ namespace sprout {
complex<T>& operator*=(complex<X> const& rhs) {
return *this = complex<T>(
re_ * rhs.real() - im_ * rhs.imag(),
re_ * rhs.imag() + im_ * rhs.imag()
re_ * rhs.imag() + im_ * rhs.real()
);
}
template<typename X>
@ -153,7 +148,7 @@ namespace sprout {
SPROUT_CONSTEXPR sprout::complex<T> operator*(sprout::complex<T> const& lhs, sprout::complex<T> const& rhs) {
return sprout::complex<T>(
lhs.real() * rhs.real() - lhs.imag() * rhs.imag(),
lhs.real() * rhs.imag() + lhs.imag() * rhs.imag()
lhs.real() * rhs.imag() + lhs.imag() * rhs.real()
);
}
template<typename T>
@ -364,7 +359,7 @@ namespace sprout {
namespace detail {
template<typename T>
SPROUT_CONSTEXPR sprout::complex<T> acos_impl(sprout::complex<T> const& t) {
return sprout::complex<T>(sprout::detail::pi_div_two<T>() - t.real(), -t.imag());
return sprout::complex<T>(sprout::math::pi_div_two<T>() - t.real(), -t.imag());
}
} // namespace detail
template<typename T>