fabsf(3) -- Linux man page

 

NAME

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

SYNOPSIS

#include <math.h>

double fabs(double x);

float fabsf(float x);
long double fabsl(long double x);
 

DESCRIPTION

The fabs functions return the absolute value of the floating-point number x.  

ERRORS

No errors can occur.  

CONFORMING TO

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

SEE ALSO

abs(3), ceil(3), floor(3), labs(3), rint(3)