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Remove assumption of std::complex for complex scalar types.

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This commit is contained in:
Antonio Sanchez
2025-02-12 11:21:44 -08:00
parent 6b4881ad48
commit 22cd7307dd
21 changed files with 273 additions and 115 deletions
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76
Eigen/src/Core/MathFunctions.h
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@@ -182,6 +182,35 @@ struct imag_ref_retval {
typedef typename NumTraits<Scalar>::Real& type;
};
} // namespace internal
namespace numext {
template <typename Scalar>
EIGEN_DEVICE_FUNC inline EIGEN_MATHFUNC_RETVAL(real, Scalar) real(const Scalar& x) {
return EIGEN_MATHFUNC_IMPL(real, Scalar)::run(x);
}
template <typename Scalar>
EIGEN_DEVICE_FUNC inline internal::add_const_on_value_type_t<EIGEN_MATHFUNC_RETVAL(real_ref, Scalar)> real_ref(
const Scalar& x) {
return internal::real_ref_impl<Scalar>::run(x);
}
template <typename Scalar>
EIGEN_DEVICE_FUNC inline EIGEN_MATHFUNC_RETVAL(real_ref, Scalar) real_ref(Scalar& x) {
return EIGEN_MATHFUNC_IMPL(real_ref, Scalar)::run(x);
}
template <typename Scalar>
EIGEN_DEVICE_FUNC inline EIGEN_MATHFUNC_RETVAL(imag, Scalar) imag(const Scalar& x) {
return EIGEN_MATHFUNC_IMPL(imag, Scalar)::run(x);
}
} // namespace numext
namespace internal {
/****************************************************************************
* Implementation of conj *
****************************************************************************/
@@ -221,7 +250,9 @@ template <typename Scalar>
struct abs2_impl_default<Scalar, true> // IsComplex
{
typedef typename NumTraits<Scalar>::Real RealScalar;
EIGEN_DEVICE_FUNC static inline RealScalar run(const Scalar& x) { return x.real() * x.real() + x.imag() * x.imag(); }
EIGEN_DEVICE_FUNC static inline RealScalar run(const Scalar& x) {
return numext::real(x) * numext::real(x) + numext::imag(x) * numext::imag(x);
}
};
template <typename Scalar>
@@ -250,16 +281,14 @@ struct sqrt_impl {
};
// Complex sqrt defined in MathFunctionsImpl.h.
template <typename T>
EIGEN_DEVICE_FUNC std::complex<T> complex_sqrt(const std::complex<T>& a_x);
template <typename ComplexT>
EIGEN_DEVICE_FUNC ComplexT complex_sqrt(const ComplexT& a_x);
// Custom implementation is faster than `std::sqrt`, works on
// GPU, and correctly handles special cases (unlike MSVC).
template <typename T>
struct sqrt_impl<std::complex<T>> {
EIGEN_DEVICE_FUNC static EIGEN_ALWAYS_INLINE std::complex<T> run(const std::complex<T>& x) {
return complex_sqrt<T>(x);
}
EIGEN_DEVICE_FUNC static EIGEN_ALWAYS_INLINE std::complex<T> run(const std::complex<T>& x) { return complex_sqrt(x); }
};
template <typename Scalar>
@@ -272,13 +301,13 @@ template <typename T>
struct rsqrt_impl;
// Complex rsqrt defined in MathFunctionsImpl.h.
template <typename T>
EIGEN_DEVICE_FUNC std::complex<T> complex_rsqrt(const std::complex<T>& a_x);
template <typename ComplexT>
EIGEN_DEVICE_FUNC ComplexT complex_rsqrt(const ComplexT& a_x);
template <typename T>
struct rsqrt_impl<std::complex<T>> {
EIGEN_DEVICE_FUNC static EIGEN_ALWAYS_INLINE std::complex<T> run(const std::complex<T>& x) {
return complex_rsqrt<T>(x);
return complex_rsqrt(x);
}
};
@@ -299,7 +328,7 @@ struct norm1_default_impl<Scalar, true> {
typedef typename NumTraits<Scalar>::Real RealScalar;
EIGEN_DEVICE_FUNC static inline RealScalar run(const Scalar& x) {
EIGEN_USING_STD(abs);
return abs(x.real()) + abs(x.imag());
return abs(numext::real(x)) + abs(numext::imag(x));
}
};
@@ -469,8 +498,8 @@ struct expm1_retval {
****************************************************************************/
// Complex log defined in MathFunctionsImpl.h.
template <typename T>
EIGEN_DEVICE_FUNC std::complex<T> complex_log(const std::complex<T>& z);
template <typename ComplexT>
EIGEN_DEVICE_FUNC ComplexT complex_log(const ComplexT& z);
template <typename Scalar>
struct log_impl {
@@ -846,7 +875,7 @@ struct sign_impl<Scalar, true, IsInteger> {
real_type aa = abs(a);
if (aa == real_type(0)) return Scalar(0);
aa = real_type(1) / aa;
return Scalar(a.real() * aa, a.imag() * aa);
return Scalar(numext::real(a) * aa, numext::imag(a) * aa);
}
};
@@ -1042,27 +1071,6 @@ SYCL_SPECIALIZE_FLOATING_TYPES_BINARY(maxi, fmax)
#endif
template <typename Scalar>
EIGEN_DEVICE_FUNC inline EIGEN_MATHFUNC_RETVAL(real, Scalar) real(const Scalar& x) {
return EIGEN_MATHFUNC_IMPL(real, Scalar)::run(x);
}
template <typename Scalar>
EIGEN_DEVICE_FUNC inline internal::add_const_on_value_type_t<EIGEN_MATHFUNC_RETVAL(real_ref, Scalar)> real_ref(
const Scalar& x) {
return internal::real_ref_impl<Scalar>::run(x);
}
template <typename Scalar>
EIGEN_DEVICE_FUNC inline EIGEN_MATHFUNC_RETVAL(real_ref, Scalar) real_ref(Scalar& x) {
return EIGEN_MATHFUNC_IMPL(real_ref, Scalar)::run(x);
}
template <typename Scalar>
EIGEN_DEVICE_FUNC inline EIGEN_MATHFUNC_RETVAL(imag, Scalar) imag(const Scalar& x) {
return EIGEN_MATHFUNC_IMPL(imag, Scalar)::run(x);
}
template <typename Scalar>
EIGEN_DEVICE_FUNC inline EIGEN_MATHFUNC_RETVAL(arg, Scalar) arg(const Scalar& x) {
return EIGEN_MATHFUNC_IMPL(arg, Scalar)::run(x);