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authorUlrich Drepper <drepper@redhat.com>2005-12-14 15:06:39 +0000
committerUlrich Drepper <drepper@redhat.com>2005-12-14 15:06:39 +0000
commit9d13fb2413921c713f83efe331e8e4d219c62c6b (patch)
tree2d44d7ac45ab2d147eb8361bbff880c365aa8ad5 /math/s_cacosf.c
parentb6ab06cef4670e02756bcdd4d2c33a49369a4346 (diff)
downloadglibc-9d13fb2413921c713f83efe331e8e4d219c62c6b.tar.gz
Moved to csu/errno-loc.c.
Diffstat (limited to 'math/s_cacosf.c')
-rw-r--r--math/s_cacosf.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/math/s_cacosf.c b/math/s_cacosf.c
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+/* Return cosine of complex float 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>
+
+__complex__ float
+__cacosf (__complex__ float x)
+{
+ __complex__ float y;
+ __complex__ float res;
+
+ y = __casinf (x);
+
+ __real__ res = (float) M_PI_2 - __real__ y;
+ __imag__ res = -__imag__ y;
+
+ return res;
+}
+#ifndef __cacosf
+weak_alias (__cacosf, cacosf)
+#endif