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LibM: Fix floor() and floorf() for negative numbers

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And add a LibJS test to exercise the code. :^)
This commit is contained in:
Andreas Kling 2020-05-15 22:05:59 +02:00
parent 8f293b7543
commit de7827faf7
2 changed files with 27 additions and 2 deletions
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10
Libraries/LibM/math.cpp
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@ -412,12 +412,18 @@ float roundf(float value)
float floorf(float value)
{
return (int)value;
if (value >= 0)
return (int)value;
int intvalue = (int)value;
return ((float)intvalue == value) ? intvalue : intvalue - 1;
}
double floor(double value)
{
return (int)value;
if (value >= 0)
return (int)value;
int intvalue = (int)value;
return ((double)intvalue == value) ? intvalue : intvalue - 1;
}
double rint(double value)