vx32

Local 9vx git repository for patches.
git clone git://r-36.net/vx32
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s_finite.c (775B)

      1 /* @(#)s_finite.c 5.1 93/09/24 */
      2 /*
      3  * ====================================================
      4  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
      5  *
      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
      9  * is preserved.
     10  * ====================================================
     11  */
     12 
     13 #ifndef lint
     14 static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_finite.c,v 1.8 2003/07/23 04:53:46 peter Exp $";
     15 #endif
     16 
     17 /*
     18  * finite(x) returns 1 is x is finite, else 0;
     19  * no branching!
     20  */
     21 
     22 #include "math.h"
     23 #include "math_private.h"
     24 
     25 	int finite(double x)
     26 {
     27 	int32_t hx;
     28 	GET_HIGH_WORD(hx,x);
     29 	return (int)((u_int32_t)((hx&0x7fffffff)-0x7ff00000)>>31);
     30 }