projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| ee188d55 RM |
1 | /* w_atanhl.c -- long double version of w_atanh.c. |
| 2 | * Conversion to long double by Ulrich Drepper, | |
| 3 | * Cygnus Support, drepper@cygnus.com. | |
| 4 | */ | |
| 5 | ||
| 6 | /* | |
| 7 | * ==================================================== | |
| 8 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. | |
| 9 | * | |
| 10 | * Developed at SunPro, a Sun Microsystems, Inc. business. | |
| 11 | * Permission to use, copy, modify, and distribute this | |
| 12 | * software is freely granted, provided that this notice | |
| 13 | * is preserved. | |
| 14 | * ==================================================== | |
| 15 | */ | |
| 16 | ||
| 17 | #if defined(LIBM_SCCS) && !defined(lint) | |
| 18 | static char rcsid[] = "$NetBSD: $"; | |
| 19 | #endif | |
| 20 | ||
| 21 | /* | |
| 22 | * wrapper atanhl(x) | |
| 23 | */ | |
| 24 | ||
| 0ecb606c | 25 | #include <math.h> |
| ee188d55 RM |
26 | #include "math_private.h" |
| 27 | ||
| 28 | ||
| 29 | #ifdef __STDC__ | |
| 30 | long double __atanhl(long double x) /* wrapper atanhl */ | |
| 31 | #else | |
| 32 | long double __atanhl(x) /* wrapper atanhl */ | |
| 33 | long double x; | |
| 34 | #endif | |
| 35 | { | |
| 36 | #ifdef _IEEE_LIBM | |
| 37 | return __ieee754_atanhl(x); | |
| 38 | #else | |
| 39 | long double z,y; | |
| 40 | z = __ieee754_atanhl(x); | |
| 41 | if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z; | |
| 42 | y = fabsl(x); | |
| 43 | if(y>=1.0) { | |
| 44 | if(y>1.0) | |
| 45 | return __kernel_standard(x,x,230); /* atanhl(|x|>1) */ | |
| 46 | else | |
| 47 | return __kernel_standard(x,x,231); /* atanhl(|x|==1) */ | |
| 48 | } else | |
| 49 | return z; | |
| 50 | #endif | |
| 51 | } | |
| 52 | weak_alias (__atanhl, atanhl) |