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Fix frexp packetmath tests for MSVC.

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(cherry picked from commit 2ed4bee78f)
This commit is contained in:
Antonio Sánchez
2022-02-24 22:16:37 +00:00
committed by Antonio Sanchez
parent cd543434bf
commit d259104c8d
1 changed files with 6 additions and 0 deletions
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6
test/packetmath.cpp
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@@ -52,6 +52,12 @@ inline T REF_FREXP(const T& x, T& exp) {
EIGEN_USING_STD(frexp) EIGEN_USING_STD(frexp)
const T out = static_cast<T>(frexp(x, &iexp)); const T out = static_cast<T>(frexp(x, &iexp));
exp = static_cast<T>(iexp); exp = static_cast<T>(iexp);
// The exponent value is unspecified if the input is inf or NaN, but MSVC
// seems to set it to 1. We need to set it back to zero for consistency.
if (!(numext::isfinite)(x)) {
exp = T(0);
}
return out; return out;
} }