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Fix pdiv for complex packets involving infinites.

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libeigen/eigen!2131
This commit is contained in:
Antonio Sánchez
2026-02-15 01:47:32 +00:00
committed by Rasmus Munk Larsen
parent 9b709e8269
commit 1a2b80727c
4 changed files with 89 additions and 69 deletions
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26
test/packetmath.cpp
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@@ -1607,6 +1607,28 @@ void packetmath_complex() {
VERIFY(test::areApprox(ref, pval, PacketSize) && "pcplxflip");
}
const RealScalar zero = RealScalar(0);
const RealScalar one = RealScalar(1);
const RealScalar inf = std::numeric_limits<RealScalar>::infinity();
const RealScalar nan = std::numeric_limits<RealScalar>::quiet_NaN();
// Multiplication and Division.
{
std::array<RealScalar, 8> special_values = {zero, one, inf, nan, -zero, -one, -inf, -nan};
for (RealScalar a : special_values) {
for (RealScalar b : special_values) {
for (RealScalar c : special_values) {
for (RealScalar d : special_values) {
data1[0] = Scalar(a, b);
data2[0] = Scalar(c, d);
CHECK_CWISE2_IF(PacketTraits::HasMul, internal::complex_multiply, internal::pmul);
CHECK_CWISE2_IF(PacketTraits::HasDiv, internal::complex_divide, internal::pdiv);
}
}
}
}
}
if (PacketTraits::HasSqrt) {
for (int i = 0; i < size; ++i) {
data1[i] = Scalar(internal::random<RealScalar>(), internal::random<RealScalar>());
@@ -1615,10 +1637,6 @@ void packetmath_complex() {
CHECK_CWISE1_IF(PacketTraits::HasSign, numext::sign, internal::psign);
// Test misc. corner cases.
const RealScalar zero = RealScalar(0);
const RealScalar one = RealScalar(1);
const RealScalar inf = std::numeric_limits<RealScalar>::infinity();
const RealScalar nan = std::numeric_limits<RealScalar>::quiet_NaN();
data1[0] = Scalar(zero, zero);
data1[1] = Scalar(-zero, zero);
data1[2] = Scalar(one, zero);