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 __FBSDID("$FreeBSD$");
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 
finitef(float x)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 }
33