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

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

SYNOPSIS
     ##iinncclluuddee <>

     int
     ffiinniittee(double x);

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

BSD                              July 2, 2003                              BSD