1 /* @(#)s_finite.c 5.1 93/09/24 */
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice
10 * ====================================================
13 #if defined(LIBM_SCCS) && !defined(lint)
14 static char rcsid[] = "$NetBSD: s_finite.c,v 1.8 1995/05/10 20:47:17 jtc Exp $";
18 * finite(x) returns 1 is x is finite, else 0;
23 #include "math_private.h"
26 int __finite(double x)
34 return (int)((u_int32_t)((hx&0x7fffffff)-0x7ff00000)>>31);
36 libm_hidden_proto(finite)
37 strong_alias(__finite,finite)
38 libm_hidden_def(finite)