vx32

Local 9vx git repository for patches.
git clone git://r-36.net/vx32
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s_ldexp.c (655B)


      1 /* @(#)s_ldexp.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 #include "math.h"
     14 #include "math_private.h"
     15 #include <errno.h>
     16 
     17 double
     18 ldexp(double value, int exp)
     19 {
     20 	if(!finite(value)||value==0.0) return value;
     21 	value = scalbn(value,exp);
     22 	if(!finite(value)||value==0.0) errno = ERANGE;
     23 	return value;
     24 }