FABS

NAME

fabs, fabsf, fabsl - absolute value of floating-point number

#include <math.h>

double fabs(double x);


float fabsf(float x);


long double fabsl(long double x);

The fBfabsfP functions return the absolute value of the floating-point number fIxfP.

No errors can occur.

The fabs() function conforms to SVID 3, POSIX, BSD 4.3, ISO 9899. The other functions are from C99.