vx32

Local 9vx git repository for patches.
git clone git://r-36.net/vx32
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s_finitef.c (873B)


      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
     17 static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_finitef.c,v 1.6 2002/05/28 17:51:46 alfred 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 	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 }