GitHub-Proxy/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2025-04-19 16:19:37 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix test for pow with mixed integer types. We do not convert the exponent if it is an integer type.

Browse Source
This commit is contained in:
Rasmus Munk Larsen 2022-09-12 15:51:27 -07:00
parent afc014f1b5
commit dceb779ecd
1 changed files with 17 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
test/array_cwise.cpp
View File

@ -144,6 +144,22 @@ Scalar calc_overflow_threshold(const ScalarExponent exponent) {
} }
} }
template <typename Base, typename Exponent, bool ExpIsInteger = NumTraits<Exponent>::IsInteger>
struct ref_pow {
static Base run(Base base, Exponent exponent) {
EIGEN_USING_STD(pow);
return pow(base, static_cast<Base>(exponent));
}
};
template <typename Base, typename Exponent>
struct ref_pow<Base, Exponent, true> {
static Base run(Base base, Exponent exponent) {
EIGEN_USING_STD(pow);
return pow(base, exponent);
}
};
template <typename Base, typename Exponent> template <typename Base, typename Exponent>
void test_exponent(Exponent exponent) { void test_exponent(Exponent exponent) {
const Base max_abs_bases = static_cast<Base>(10000); const Base max_abs_bases = static_cast<Base>(10000);
@ -166,9 +182,8 @@ void test_exponent(Exponent exponent) {
if (exponent < 0 && base == 0) continue; if (exponent < 0 && base == 0) continue;
x.setConstant(base); x.setConstant(base);
y = x.pow(exponent); y = x.pow(exponent);
EIGEN_USING_STD(pow);
Base e = pow(base, static_cast<Base>(exponent));
for (Base a : y) { for (Base a : y) {
Base e = ref_pow<Base, Exponent>::run(base, exponent);
bool pass = (a == e); bool pass = (a == e);
if (!NumTraits<Base>::IsInteger) { if (!NumTraits<Base>::IsInteger) {
pass = pass || (((numext::isfinite)(e) && internal::isApprox(a, e)) || pass = pass || (((numext::isfinite)(e) && internal::isApprox(a, e)) ||