fabs, fabsf - floating-point absolute value function
Math Library (libm, -lm)
#include <math.h>
double
fabs(double x);
float
fabsf(float x);
The fabs() and fabsf() functions compute the absolute value of a floating-point
number x.
The fabs() function returns the absolute value of x.
abs(3), ceil(3), floor(3), ieee(3), math(3), rint(3)
The fabs() function conforms to ANSI X3.159-1989 (``ANSI C'').
BSD May 2, 1991 BSD
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