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LibM: Implement fma

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Tim Schumacher 2022-05-02 20:23:32 +02:00 • committed by Brian Gianforcaro
parent 6c650d1b8d
commit 6187cf72cc
1 changed files with 16 additions and 0 deletions
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16
Userland/Libraries/LibM/math.cpp
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@ -1116,6 +1116,22 @@ float fminf(float x, float y) NOEXCEPT
return x < y ? x : y; return x < y ? x : y;
} }
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/fma.html
long double fmal(long double x, long double y, long double z) NOEXCEPT
{
return (x * y) + z;
}
double fma(double x, double y, double z) NOEXCEPT
{
return (x * y) + z;
}
float fmaf(float x, float y, float z) NOEXCEPT
{
return (x * y) + z;
}
long double nearbyintl(long double value) NOEXCEPT long double nearbyintl(long double value) NOEXCEPT
{ {
return internal_to_integer(value, RoundingMode { fegetround() }); return internal_to_integer(value, RoundingMode { fegetround() });