FINITE(3) BSD Library Functions Manual FINITE(3)NAMEfinite — 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 December 11, 2006 BSD