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#include <sys/cdefs.h>
17#if defined(LIBM_SCCS) && !defined(lint)
18__RCSID("$NetBSD: s_finitef.c,v 1.9 2024/05/08 01:40:27 riastradh Exp $");
19#endif
20
21/*
22 * finitef(x) returns 1 if x is finite, else 0;
23 * no branching!
24 */
25
26#include "namespace.h"
27#include "math.h"
28#include "math_private.h"
29
30__weak_alias(finitef, _finitef)
31
32int
33finitef(float x)
34{
35	int32_t ix;
36	GET_FLOAT_WORD(ix,x);
37	return (int)((u_int32_t)((ix&0x7fffffff)-0x7f800000)>>31);
38}
39