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s_finitef.c (97409) s_finitef.c (176451)
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
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#ifndef lint
17static char rcsid[] = "$FreeBSD: head/lib/msun/src/s_finitef.c 97409 2002-05-28 17:51:46Z alfred $";
18#endif
16#include <sys/cdefs.h>
17__FBSDID("$FreeBSD: head/lib/msun/src/s_finitef.c 176451 2008-02-22 02:30:36Z das $");
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 int finitef(float x)
29{
30 int32_t ix;
31 GET_FLOAT_WORD(ix,x);
32 return (int)((u_int32_t)((ix&0x7fffffff)-0x7f800000)>>31);
33}
18
19/*
20 * finitef(x) returns 1 is x is finite, else 0;
21 * no branching!
22 */
23
24#include "math.h"
25#include "math_private.h"
26
27 int finitef(float x)
28{
29 int32_t ix;
30 GET_FLOAT_WORD(ix,x);
31 return (int)((u_int32_t)((ix&0x7fffffff)-0x7f800000)>>31);
32}