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Add support for complex numbers in the generic clang backend

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libeigen/eigen!2078

Co-authored-by: Rasmus Munk Larsen <rmlarsen@google.com>
This commit is contained in:
Rasmus Munk Larsen
2025-11-20 00:26:37 +00:00
parent 1242d948dd
commit 8eb6551a8a
7 changed files with 569 additions and 53 deletions
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16
Eigen/src/Core/GenericPacketMath.h
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@@ -1010,12 +1010,26 @@ EIGEN_DEVICE_FUNC inline Packet preverse(const Packet& a) {
return a;
}
/** \internal \returns \a a with real and imaginary part flipped (for complex type only) */
/** \internal \returns \a a with real and imaginary parts flipped (for complex types only) */
template <typename Packet>
EIGEN_DEVICE_FUNC inline Packet pcplxflip(const Packet& a) {
return Packet(numext::imag(a), numext::real(a));
}
/** \internal \returns \a a with real part duplicated (for complex types only) */
// TODO(rmlarsen): Define and use in all complex backends.
template <typename Packet>
EIGEN_DEVICE_FUNC inline Packet pdupreal(const Packet& a) {
return Packet(numext::real(a), numext::real(a));
}
/** \internal \returns \a a with imaginary part duplicated (for complex types only) */
// TODO(rmlarsen): Define and use in all complex backends.
template <typename Packet>
EIGEN_DEVICE_FUNC inline Packet pdupimag(const Packet& a) {
return Packet(numext::imag(a), numext::imag(a));
}
/**************************
* Special math functions
***************************/