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author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
tree | b5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/ieee754/ldbl-128ibm/s_ctanl.c | |
parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
download | glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz |
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_ctanl.c')
-rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/s_ctanl.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_ctanl.c b/sysdeps/ieee754/ldbl-128ibm/s_ctanl.c deleted file mode 100644 index 00d2aa6b6e..0000000000 --- a/sysdeps/ieee754/ldbl-128ibm/s_ctanl.c +++ /dev/null @@ -1,88 +0,0 @@ -/* Complex tangent function for long double. IBM extended format version. - Copyright (C) 1997,2005,2006 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 <fenv.h> -#include <math.h> -#include <math_ldbl_opt.h> - -#include "math_private.h" - - -__complex__ long double -__ctanl (__complex__ long double x) -{ - __complex__ long double res; - - if (!isfinite (__real__ x) || !isfinite (__imag__ x)) - { - if (__isinfl (__imag__ x)) - { - __real__ res = __copysignl (0.0, __real__ x); - __imag__ res = __copysignl (1.0, __imag__ x); - } - else if (__real__ x == 0.0) - { - res = x; - } - else - { - __real__ res = __nanl (""); - __imag__ res = __nanl (""); - -#ifdef FE_INVALID - if (__isinfl (__real__ x)) - feraiseexcept (FE_INVALID); -#endif - } - } - else - { - long double sin2rx, cos2rx; - long double den; - - __sincosl (2.0 * __real__ x, &sin2rx, &cos2rx); - - den = cos2rx + __ieee754_coshl (2.0 * __imag__ x); - - - if (den == 0.0) - { - __complex__ long double ez = __cexpl (1.0i * x); - __complex__ long double emz = __cexpl (-1.0i * x); - - res = (ez - emz) / (ez + emz) * -1.0i; - } - else - { - __real__ res = sin2rx / den; - __imag__ res = __ieee754_sinhl (2.0 * __imag__ x) / den; - } - /* __gcc_qmul does not respect -0.0 so we need the following fixup. */ - if ((__real__ res == 0.0) && (__real__ x == 0.0)) - __real__ res = __real__ x; - - if ((__real__ res == 0.0) && (__imag__ x == 0.0)) - __imag__ res = __imag__ x; - } - - return res; -} -long_double_symbol (libm, __ctanl, ctanl); |