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49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/* w_logl.c -- long double version of w_log.c.
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* Conversion to long double by Ulrich Drepper,
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* Cygnus Support, 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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#if defined(LIBM_SCCS) && !defined(lint)
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static char rcsid[] = "$NetBSD: $";
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#endif
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/*
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* wrapper logl(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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long double __logl(long double x) /* wrapper logl */
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#else
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long double __logl(x) /* wrapper logl */
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long double x;
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#endif
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{
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#ifdef _IEEE_LIBM
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return __ieee754_logl(x);
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#else
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long double z;
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z = __ieee754_logl(x);
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if(_LIB_VERSION == _IEEE_ || __isnanl(x) || x > 0.0) return z;
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if(x==0.0)
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return __kernel_standard(x,x,216); /* log(0) */
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else
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return __kernel_standard(x,x,217); /* log(x<0) */
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#endif
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}
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weak_alias (__logl, logl)
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