forked from KolibriOS/kolibrios
34 lines
925 B
C
Executable File
34 lines
925 B
C
Executable File
/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
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/* @(#)s_ldexp.c 5.1 93/09/24 */
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/*
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* ====================================================
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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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*
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* Developed at SunPro, a Sun Microsystems, Inc. business.
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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#if defined(LIBM_SCCS) && !defined(lint)
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static char rcsid[] = "$Id: s_ldexp.c,v 1.4 1994/08/10 20:32:37 jtc Exp $";
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#endif
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#include "math.h"
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#include "math_private.h"
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#include <errno.h>
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#ifdef __STDC__
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double ldexp(double value, int exp)
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#else
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double ldexp(value, exp)
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double value; int exp;
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#endif
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{
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if(!finite(value)||value==0.0) return value;
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value = scalbn(value,exp);
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if(!finite(value)||value==0.0) errno = ERANGE;
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return value;
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}
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