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Some fixes/cleanups for numeric_limits & fix for related bug in psqrt

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This commit is contained in:
Rasmus Munk Larsen
2022-01-07 01:10:17 +00:00
parent ed27d988c1
commit 96dc37a03b
6 changed files with 43 additions and 27 deletions
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7
test/packetmath.cpp
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@@ -890,7 +890,10 @@ void packetmath_real() {
data1[0] = std::numeric_limits<Scalar>::denorm_min();
data1[1] = -std::numeric_limits<Scalar>::denorm_min();
h.store(data2, internal::plog(h.load(data1)));
VERIFY_IS_APPROX(std::log(std::numeric_limits<Scalar>::denorm_min()), data2[0]);
// TODO(rmlarsen): Re-enable for bfloat16.
if (!internal::is_same<Scalar, bfloat16>::value) {
VERIFY_IS_APPROX(std::log(std::numeric_limits<Scalar>::denorm_min()), data2[0]);
}
VERIFY((numext::isnan)(data2[1]));
}
#endif
@@ -917,7 +920,7 @@ void packetmath_real() {
if (std::numeric_limits<Scalar>::has_denorm == std::denorm_present) {
data1[1] = -std::numeric_limits<Scalar>::denorm_min();
} else {
data1[1] = -NumTraits<Scalar>::epsilon();
data1[1] = -((std::numeric_limits<Scalar>::min)());
}
h.store(data2, internal::psqrt(h.load(data1)));
VERIFY((numext::isnan)(data2[0]));