| /* w_atanhl.c -- long double version of w_atanh.c. |
| * Conversion to long double by Ulrich Drepper, |
| * Cygnus Support, drepper@cygnus.com. |
| */ |
| |
| /* |
| * ==================================================== |
| * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
| * |
| * Developed at SunPro, a Sun Microsystems, Inc. business. |
| * Permission to use, copy, modify, and distribute this |
| * software is freely granted, provided that this notice |
| * is preserved. |
| * ==================================================== |
| */ |
| |
| #if defined(LIBM_SCCS) && !defined(lint) |
| static char rcsid[] = "$NetBSD: $"; |
| #endif |
| |
| /* |
| * wrapper atanhl(x) |
| */ |
| |
| #include <math.h> |
| #include "math_private.h" |
| |
| |
| #ifdef __STDC__ |
| long double __atanhl(long double x) /* wrapper atanhl */ |
| #else |
| long double __atanhl(x) /* wrapper atanhl */ |
| long double x; |
| #endif |
| { |
| #ifdef _IEEE_LIBM |
| return __ieee754_atanhl(x); |
| #else |
| long double z,y; |
| z = __ieee754_atanhl(x); |
| if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z; |
| y = fabsl(x); |
| if(y>=1.0) { |
| if(y>1.0) |
| return __kernel_standard(x,x,230); /* atanhl(|x|>1) */ |
| else |
| return __kernel_standard(x,x,231); /* atanhl(|x|==1) */ |
| } else |
| return z; |
| #endif |
| } |
| weak_alias (__atanhl, atanhl) |
