FABS

Section: Linux Programmer's Manual (3)
Updated: 2001-06-07
Index Return to Main Contents
 

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);

Link with -lm.  

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 SVr4, POSIX.1-2001, 4.3BSD, C89. The other functions are from C99.  

SEE ALSO

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


 

Index

NAME
SYNOPSIS
DESCRIPTION
ERRORS
CONFORMING TO
SEE ALSO

linux.jgfs.net manual pages