52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/* @(#)w_exp10.c
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* Conversion to exp10 by Ulrich Drepper <drepper@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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/*
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* wrapper exp10(x)
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*/
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#include <math.h>
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#include "math_private.h"
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#ifdef __STDC__
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double __exp10(double x) /* wrapper exp10 */
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#else
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double __exp10(x) /* wrapper exp10 */
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double x;
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#endif
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{
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#ifdef _IEEE_LIBM
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return __ieee754_exp10(x);
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#else
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double z;
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z = __ieee754_exp10(x);
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if(_LIB_VERSION == _IEEE_) return z;
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if(!__finite(z) && __finite(x)) {
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/* exp10 overflow (46) if x > 0, underflow (47) if x < 0. */
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return __kernel_standard(x,x,46+!!__signbit(x));
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}
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return z;
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#endif
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}
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weak_alias (__exp10, exp10)
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strong_alias (__exp10, __pow10)
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weak_alias (__pow10, pow10)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__exp10, __exp10l)
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weak_alias (__exp10, exp10l)
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strong_alias (__exp10l, __pow10l)
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weak_alias (__pow10l, pow10l)
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#endif
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