From a334319f6530564d22e775935d9c91663623a1b4 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 22 Dec 2004 20:10:10 +0000 Subject: (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. --- math/s_catanl.c | 85 --------------------------------------------------------- 1 file changed, 85 deletions(-) delete mode 100644 math/s_catanl.c (limited to 'math/s_catanl.c') diff --git a/math/s_catanl.c b/math/s_catanl.c deleted file mode 100644 index 6cb45e5..0000000 --- a/math/s_catanl.c +++ /dev/null @@ -1,85 +0,0 @@ -/* Return arc tangent of complex long double value. - Copyright (C) 1997, 1998 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper , 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 -#include - -#include "math_private.h" - - -__complex__ long double -__catanl (__complex__ long double x) -{ - __complex__ long double res; - int rcls = fpclassify (__real__ x); - int icls = fpclassify (__imag__ x); - - if (rcls <= FP_INFINITE || icls <= FP_INFINITE) - { - if (rcls == FP_INFINITE) - { - __real__ res = __copysignl (M_PI_2l, __real__ x); - __imag__ res = __copysignl (0.0, __imag__ x); - } - else if (icls == FP_INFINITE) - { - if (rcls >= FP_ZERO) - __real__ res = __copysignl (M_PI_2l, __real__ x); - else - __real__ res = __nanl (""); - __imag__ res = __copysignl (0.0, __imag__ x); - } - else if (icls == FP_ZERO || icls == FP_INFINITE) - { - __real__ res = __nanl (""); - __imag__ res = __copysignl (0.0, __imag__ x); - } - else - { - __real__ res = __nanl (""); - __imag__ res = __nanl (""); - } - } - else if (rcls == FP_ZERO && icls == FP_ZERO) - { - res = x; - } - else - { - long double r2, num, den; - - r2 = __real__ x * __real__ x; - - den = 1 - r2 - __imag__ x * __imag__ x; - - __real__ res = 0.5 * __ieee754_atan2l (2.0 * __real__ x, den); - - num = __imag__ x + 1.0; - num = r2 + num * num; - - den = __imag__ x - 1.0; - den = r2 + den * den; - - __imag__ res = 0.25 * __ieee754_logl (num / den); - } - - return res; -} -weak_alias (__catanl, catanl) -- cgit v1.1