From a334319f6530564d22e775935d9c91663623a1b4 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper <drepper@redhat.com> Date: Wed, 22 Dec 2004 20:10:10 +0000 Subject: (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. --- math/s_catanh.c | 84 --------------------------------------------------------- 1 file changed, 84 deletions(-) delete mode 100644 math/s_catanh.c (limited to 'math/s_catanh.c') diff --git a/math/s_catanh.c b/math/s_catanh.c deleted file mode 100644 index e15c073..0000000 --- a/math/s_catanh.c +++ /dev/null @@ -1,84 +0,0 @@ -/* Return arc hyperbole tangent for double value. - Copyright (C) 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <complex.h> -#include <math.h> - -#include "math_private.h" - - -__complex__ double -__catanh (__complex__ double x) -{ - __complex__ double res; - int rcls = fpclassify (__real__ x); - int icls = fpclassify (__imag__ x); - - if (rcls <= FP_INFINITE || icls <= FP_INFINITE) - { - if (icls == FP_INFINITE) - { - __real__ res = __copysign (0.0, __real__ x); - __imag__ res = __copysign (M_PI_2, __imag__ x); - } - else if (rcls == FP_INFINITE || rcls == FP_ZERO) - { - __real__ res = __copysign (0.0, __real__ x); - if (icls >= FP_ZERO) - __imag__ res = __copysign (M_PI_2, __imag__ x); - else - __imag__ res = __nan (""); - } - else - { - __real__ res = __nan (""); - __imag__ res = __nan (""); - } - } - else if (rcls == FP_ZERO && icls == FP_ZERO) - { - res = x; - } - else - { - double i2, num, den; - - i2 = __imag__ x * __imag__ x; - - num = 1.0 + __real__ x; - num = i2 + num * num; - - den = 1.0 - __real__ x; - den = i2 + den * den; - - __real__ res = 0.25 * (__ieee754_log (num) - __ieee754_log (den)); - - den = 1 - __real__ x * __real__ x - i2; - - __imag__ res = 0.5 * __ieee754_atan2 (2.0 * __imag__ x, den); - } - - return res; -} -weak_alias (__catanh, catanh) -#ifdef NO_LONG_DOUBLE -strong_alias (__catanh, __catanhl) -weak_alias (__catanh, catanhl) -#endif -- cgit v1.1