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53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
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/* w_atanhl.c -- long double version of w_atanh.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 atanhl(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 __atanhl(long double x) /* wrapper atanhl */
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#else
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long double __atanhl(x) /* wrapper atanhl */
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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_atanhl(x);
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#else
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long double z,y;
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z = __ieee754_atanhl(x);
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if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
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y = fabsl(x);
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if(y>=1.0) {
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if(y>1.0)
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return __kernel_standard(x,x,230); /* atanhl(|x|>1) */
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else
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return __kernel_standard(x,x,231); /* atanhl(|x|==1) */
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} else
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return z;
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#endif
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}
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weak_alias (__atanhl, atanhl)
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