This document is a Mac OS X manual page. Manual pages are a command-line technology for providing documentation. You can view these manual pages locally using the man(1) command. These manual pages come from many different sources, and thus, have a variety of writing styles.

For more information about the manual page format, see the manual page for manpages(5).

FINITE(3)                BSD Library Functions Manual                FINITE(3)

NAME
     finite -- returns 1 for finite x, 0 for infinite x and NaNs.

SYNOPSIS
     #include <math.h>

     int
     finite(double x);

DESCRIPTION
     The finite() function returns 1 if -infinity < x < +infinity. It returns 0 if x is +-infinity or a NaN.

BSD                              July 2, 2003                              BSD