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LibM: Implement path for negative powers

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Hendiadyoin1 2021-05-11 18:36:59 +02:00 committed by Andreas Kling
parent 71fc7ac7ac
commit c74d7adac6
Notes: sideshowbarker 2024-07-18 11:06:39 +09:00 
Author: https://github.com/Hendiadyoin1
Commit: https://github.com/SerenityOS/serenity/commit/c74d7adac6b
Pull-request: https://github.com/SerenityOS/serenity/pull/8361
Reviewed-by: https://github.com/awesomekling
1 changed files with 4 additions and 0 deletions
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4
Userland/Libraries/LibM/math.cpp
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@ -426,6 +426,10 @@ long double powl(long double x, long double y) NOEXCEPT
result = 1.0l / result;
return result;
}
if (x < 0) {
return 1.l / exp2l(y * log2l(-x));
}
return exp2l(y * log2l(x));
}