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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libm/] [math/] [sf_ldexp.c] - Blame information for rev 1774

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1 39 lampret
/* sf_ldexp.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 "fdlibm.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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#ifdef _DOUBLE_IS_32BITS
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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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        return (double) ldexpf((float) value, exp);
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}
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#endif /* defined(_DOUBLE_IS_32BITS) */

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