#include <math.h>float fabsf(float num);double fabs(double num); long double fabsl(long double num); 

fabsf( ) and fabsl( ) were added by C99.

The fabs( ) family of functions returns the absolute value of num.

A related function is abs( ).

C(s)C++ Programmer's Reference
C Programming on the IBM PC (C Programmers Reference Guide Series)
ISBN: 0673462897
EAN: 2147483647
Year: 2002
Pages: 539

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