1/* s_finitef.c -- float version of s_finite.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3 */
4
5/*
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 *
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
12 * is preserved.
13 * ====================================================
14 */
15
16#if defined(LIBM_SCCS) && !defined(lint)
17static char rcsid[] = "$NetBSD: s_finitef.c,v 1.4 1995/05/10 20:47:18 jtc Exp $";
18#endif
19
20/*
21 * finitef(x) returns 1 is x is finite, else 0;
22 * no branching!
23 */
24
25#include <math.h>
26#include <math_private.h>
27
28#undef __finitef
29
30#ifndef FINITEF
31# define FINITEF __finitef
32#endif
33
34int FINITEF(float x)
35{
36 int32_t ix;
37 GET_FLOAT_WORD(ix,x);
38 return (int)((uint32_t)((ix&0x7f800000)-0x7f800000)>>31);
39}
40hidden_def (__finitef)
41weak_alias (__finitef, finitef)
42