37 lines
986 B
C
37 lines
986 B
C
/* s_ldexpf.c -- float version of s_ldexp.c.
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* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
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*/
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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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#include <sys/cdefs.h>
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#if defined(LIBM_SCCS) && !defined(lint)
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__RCSID("$NetBSD: s_ldexpf.c,v 1.5 1999/07/02 15:37:43 simonb 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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float ldexpf(float value, int exp)
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#else
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float ldexpf(value, exp)
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float value; int exp;
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#endif
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{
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if(!finitef(value)||value==(float)0.0) return value;
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value = scalbnf(value,exp);
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if(!finitef(value)||value==(float)0.0) errno = ERANGE;
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return value;
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}
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