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);

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)

2001-06-07 FABS(3)