aboutsummaryrefslogtreecommitdiff
path: root/math/s_ctanl.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /math/s_ctanl.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
downloadglibc-a334319f6530564d22e775935d9c91663623a1b4.zip
glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz
glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.bz2
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'math/s_ctanl.c')
-rw-r--r--math/s_ctanl.c81
1 files changed, 0 insertions, 81 deletions
diff --git a/math/s_ctanl.c b/math/s_ctanl.c
deleted file mode 100644
index 89379a5..0000000
--- a/math/s_ctanl.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/* Complex tangent function for long double.
- Copyright (C) 1997, 2005 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_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;
- }
- }
-
- return res;
-}
-weak_alias (__ctanl, ctanl)