fabs(3) - NetBSD Manual Pages

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FABS(3)                 NetBSD Library Functions Manual                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

     Functions of the fabs() family return the absolute value of x.


SEE ALSO

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


STANDARDS

     The fabs() function conforms to ANSI X3.159-1989 (``ANSI C89'').  The
     fabsf() and fabsl() functions conform to ISO/IEC 9899:1999 (``ISO C99'').

NetBSD 9.4_STABLE               March 17, 2016               NetBSD 9.4_STABLE