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RedHat 9 (Linux i386) - man page for fabsl (redhat section 3)

FABS(3) 						     Linux Programmer's Manual							   FABS(3)

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) 2001-06-07 FABS(3)