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_ctanf.c | 83 ---------------------------------------------------------- 1 file changed, 83 deletions(-) delete mode 100644 math/s_ctanf.c (limited to 'math/s_ctanf.c') diff --git a/math/s_ctanf.c b/math/s_ctanf.c deleted file mode 100644 index 58d9d13..0000000 --- a/math/s_ctanf.c +++ /dev/null @@ -1,83 +0,0 @@ -/* Complex tangent function for float. - Copyright (C) 1997, 2005 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 - -#include "math_private.h" - - -__complex__ float -__ctanf (__complex__ float x) -{ - __complex__ float res; - - if (!isfinite (__real__ x) || !isfinite (__imag__ x)) - { - if (__isinff (__imag__ x)) - { - __real__ res = __copysignf (0.0, __real__ x); - __imag__ res = __copysignf (1.0, __imag__ x); - } - else if (__real__ x == 0.0) - { - res = x; - } - else - { - __real__ res = __nanf (""); - __imag__ res = __nanf (""); - -#ifdef FE_INVALID - if (__isinff (__real__ x)) - feraiseexcept (FE_INVALID); -#endif - } - } - else - { - float sin2rx, cos2rx; - float den; - - __sincosf (2.0 * __real__ x, &sin2rx, &cos2rx); - - den = cos2rx + __ieee754_coshf (2.0 * __imag__ x); - - - if (den == 0.0) - { - __complex__ float ez = __cexpf (1.0i * x); - __complex__ float emz = __cexpf (-1.0i * x); - - res = (ez - emz) / (ez + emz) * -1.0i; - } - else - { - __real__ res = sin2rx / den; - __imag__ res = __ieee754_sinhf (2.0 * __imag__ x) / den; - } - } - - return res; -} -#ifndef __ctanf -weak_alias (__ctanf, ctanf) -#endif -- cgit v1.1