FABS(3) BSD Programmer's Manual FABS(3)
fabs, fabsf - floating-point absolute value function
#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), math(3), rint(3)
The fabs() function conforms to ANSI X3.159-1989 ("ANSI C"). MirOS BSD #10-current May 2, 1991 1
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