fabs
Synopsis
#include <math.h>
double fabs(double x);
float fabsf(float x);
long double fabsl(long double x);
Status
Partially implemented
Conformance
IEEE Std 1003.1-2017
Description
These functions shall compute the absolute value of their argument x.
Return value
Upon successful completion, these functions shall return the absolute value of x.
- If x is
NaN
, aNaN
shall be returned. - If x is
±0
,+0
shall be returned. - If x is
±Inf
,+Inf
shall be returned.
Errors
No errors are defined.
Tests
Untested
Known bugs
None