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authorPaul E. Murphy <murphyp@linux.vnet.ibm.com>2016-07-01 10:49:03 -0500
committerPaul E. Murphy <murphyp@linux.vnet.ibm.com>2016-08-19 11:28:17 -0500
commit281f5073e5a6d2cd3733acd9c773c8c6340468c4 (patch)
tree9ac3ee4261536656b7e5cabc1d28e0776419d40e /math/s_ccos_template.c
parent466929465e881a2d09df39097d026195fe2f26ed (diff)
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Prepare to convert _Complex cosine functions
This patch has no function changes, except to ensure the git history correctly tracks the changes to convert the double version of these functions into a templated version.
Diffstat (limited to 'math/s_ccos_template.c')
-rw-r--r--math/s_ccos_template.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/math/s_ccos_template.c b/math/s_ccos_template.c
new file mode 100644
index 0000000000..e484551aee
--- /dev/null
+++ b/math/s_ccos_template.c
@@ -0,0 +1,40 @@
+/* Return cosine of complex double value.
+ Copyright (C) 1997-2016 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <complex.h>
+#include <fenv.h>
+#include <math.h>
+#include <math_private.h>
+
+
+__complex__ double
+__ccos (__complex__ double x)
+{
+ __complex__ double y;
+
+ __real__ y = -__imag__ x;
+ __imag__ y = __real__ x;
+
+ return __ccosh (y);
+}
+weak_alias (__ccos, ccos)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__ccos, __ccosl)
+weak_alias (__ccos, ccosl)
+#endif