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fabs(3)

NAME

     fabs, fabsf, fabsl -- floating-point absolute value functions

LIBRARY

     Math Library (libm, -lm)

SYNOPSIS

     #include <math.h>

     double
     fabs(double x);

     float
     fabsf(float x);

     long double
     fabsl(long double x);

DESCRIPTION

     The fabs(), fabsf() and fabsl() functions compute the absolute value of a
     floating-point number x.

RETURN VALUES

     The fabs(), fabsf() and fabsl() functions return the absolute value of x.

SEE ALSO

     abs(3), ceil(3), floor(3), ieee(3), math(3), rint(3)

STANDARDS

     The fabs() function conforms to ISO/IEC 9899:1990 (``ISO C90'').  The
     fabsf() and fabsl() functions conform to ISO/IEC 9899:1999 (``ISO C99'').

FreeBSD 5.4		       October 25, 2003 		   FreeBSD 5.4

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