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Fix arm32 float division and related bugs

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This commit is contained in:
Charles Schlosser
2023-08-29 00:36:07 +00:00
committed by Rasmus Munk Larsen
parent 2873916f1c
commit 81b48065ea
4 changed files with 115 additions and 82 deletions
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4
test/packetmath.cpp
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@@ -754,7 +754,7 @@ void packetmath_test_IEEE_corner_cases(const RefFunctorT& ref_fun,
}
// Test for subnormals.
if (Cond && std::numeric_limits<Scalar>::has_denorm == std::denorm_present) {
if (Cond && std::numeric_limits<Scalar>::has_denorm == std::denorm_present && !EIGEN_ARCH_ARM) {
for (int scale = 1; scale < 5; ++scale) {
// When EIGEN_FAST_MATH is 1 we relax the conditions slightly, and allow the function
@@ -912,12 +912,14 @@ void packetmath_real() {
CHECK_CWISE1_BYREF1_IF(PacketTraits::HasExp, REF_FREXP, internal::pfrexp);
if (PacketTraits::HasExp) {
// Check denormals:
#if !EIGEN_ARCH_ARM
for (int j=0; j<3; ++j) {
data1[0] = Scalar(std::ldexp(1, NumTraits<Scalar>::min_exponent()-j));
CHECK_CWISE1_BYREF1_IF(PacketTraits::HasExp, REF_FREXP, internal::pfrexp);
data1[0] = -data1[0];
CHECK_CWISE1_BYREF1_IF(PacketTraits::HasExp, REF_FREXP, internal::pfrexp);
}
#endif
// zero
data1[0] = Scalar(0);