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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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35
unsupported/Eigen/CXX11/src/Tensor/TensorFFT.h
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@@ -15,7 +15,7 @@
namespace Eigen {
template <bool NeedUprade>
template <bool IsReal>
struct MakeComplex {
template <typename T>
EIGEN_DEVICE_FUNC T operator()(const T& val) const {
@@ -26,16 +26,8 @@ struct MakeComplex {
template <>
struct MakeComplex<true> {
template <typename T>
EIGEN_DEVICE_FUNC std::complex<T> operator()(const T& val) const {
return std::complex<T>(val, 0);
}
};
template <>
struct MakeComplex<false> {
template <typename T>
EIGEN_DEVICE_FUNC std::complex<T> operator()(const std::complex<T>& val) const {
return val;
EIGEN_DEVICE_FUNC internal::make_complex_t<T> operator()(const T& val) const {
return internal::make_complex_t<T>(val, T(0));
}
};
@@ -49,17 +41,17 @@ struct PartOf {
template <>
struct PartOf<RealPart> {
template <typename T>
T operator()(const std::complex<T>& val) const {
return val.real();
template <typename T, typename EnableIf = std::enable_if_t<NumTraits<T>::IsComplex>>
typename NumTraits<T>::Real operator()(const T& val) const {
return Eigen::numext::real(val);
}
};
template <>
struct PartOf<ImagPart> {
template <typename T>
T operator()(const std::complex<T>& val) const {
return val.imag();
template <typename T, typename EnableIf = std::enable_if_t<NumTraits<T>::IsComplex>>
typename NumTraits<T>::Real operator()(const T& val) const {
return Eigen::numext::imag(val);
}
};
@@ -67,8 +59,9 @@ namespace internal {
template <typename FFT, typename XprType, int FFTResultType, int FFTDir>
struct traits<TensorFFTOp<FFT, XprType, FFTResultType, FFTDir> > : public traits<XprType> {
typedef traits<XprType> XprTraits;
typedef typename NumTraits<typename XprTraits::Scalar>::Real RealScalar;
typedef typename std::complex<RealScalar> ComplexScalar;
typedef typename XprTraits::Scalar Scalar;
typedef typename NumTraits<Scalar>::Real RealScalar;
typedef make_complex_t<Scalar> ComplexScalar;
typedef typename XprTraits::Scalar InputScalar;
typedef std::conditional_t<FFTResultType == RealPart || FFTResultType == ImagPart, RealScalar, ComplexScalar>
OutputScalar;
@@ -109,7 +102,7 @@ class TensorFFTOp : public TensorBase<TensorFFTOp<FFT, XprType, FFTResultType, F
public:
typedef typename Eigen::internal::traits<TensorFFTOp>::Scalar Scalar;
typedef typename Eigen::NumTraits<Scalar>::Real RealScalar;
typedef typename std::complex<RealScalar> ComplexScalar;
typedef internal::make_complex_t<Scalar> ComplexScalar;
typedef std::conditional_t<FFTResultType == RealPart || FFTResultType == ImagPart, RealScalar, ComplexScalar>
OutputScalar;
typedef OutputScalar CoeffReturnType;
@@ -137,7 +130,7 @@ struct TensorEvaluator<const TensorFFTOp<FFT, ArgType, FFTResultType, FFTDir>, D
typedef DSizes<Index, NumDims> Dimensions;
typedef typename XprType::Scalar Scalar;
typedef typename Eigen::NumTraits<Scalar>::Real RealScalar;
typedef typename std::complex<RealScalar> ComplexScalar;
typedef internal::make_complex_t<Scalar> ComplexScalar;
typedef typename TensorEvaluator<ArgType, Device>::Dimensions InputDimensions;
typedef internal::traits<XprType> XprTraits;
typedef typename XprTraits::Scalar InputScalar;