vx32

Local 9vx git repository for patches.
git clone git://r-36.net/vx32
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s_ldexpf.c (887B)


      1 /* s_ldexpf.c -- float version of s_ldexp.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_ldexpf.c,v 1.7 2002/05/28 18:15:04 alfred Exp $";
     18 #endif
     19 
     20 #include "math.h"
     21 #include "math_private.h"
     22 #include <errno.h>
     23 
     24 float
     25 ldexpf(float value, int exp)
     26 {
     27 	if(!finitef(value)||value==(float)0.0) return value;
     28 	value = scalbnf(value,exp);
     29 	if(!finitef(value)||value==(float)0.0) errno = ERANGE;
     30 	return value;
     31 }