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- /* @(#)s_ldexp.c 5.1 93/09/24 */
- /*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
- #if defined(LIBM_SCCS) && !defined(lint)
- static char rcsid[] = "$NetBSD: s_ldexp.c,v 1.6 1995/05/10 20:47:40 jtc Exp $";
- #endif
- #include "math.h"
- #include "math_private.h"
- #include <errno.h>
- #ifdef __STDC__
- double ldexp(double value, int exp)
- #else
- double ldexp(value, exp)
- double value; int exp;
- #endif
- {
- if(!finite(value)||value==0.0) return value;
- value = scalbn(value,exp);
- if(!finite(value)||value==0.0) errno = ERANGE;
- return value;
- }
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