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Revert changes to std_falback::log1p that broke handling of arguments less than -1. Fix packet op accordingly.

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Rasmus Munk Larsen
2019-08-27 15:35:29 -07:00
parent b021cdea6d
commit 9aba527405
3 changed files with 2 additions and 7 deletions
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3
Eigen/src/Core/MathFunctions.h
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@@ -550,9 +550,8 @@ namespace std_fallback {
EIGEN_USING_STD_MATH(log);
Scalar x1p = RealScalar(1) + x;
Scalar log_1p = log(x1p);
const bool is_inf = numext::equal_strict(x1p, log_1p);
const bool is_small = numext::equal_strict(x1p, Scalar(1));
return (is_inf || is_small) ? x : x * (log_1p / (x1p - RealScalar(1)));
return is_small ? x : x * (log_1p / (x1p - RealScalar(1)));
}
}