I would appreciate any donations. Wishlist or send e-mail type donations to maekawa AT daemon-systems.org.

Thank you.


FABS(3)                    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 8.0                      March 17, 2016                      NetBSD 8.0