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authorUlrich Drepper <drepper@redhat.com>2005-12-14 08:43:25 +0000
committerUlrich Drepper <drepper@redhat.com>2005-12-14 08:43:25 +0000
commitb6ab06cef4670e02756bcdd4d2c33a49369a4346 (patch)
treeb30743eb9728d890d1519f62b2d1f2b96f62547a /math/cargf.c
parentd1dc39a44e339f9c48baa3854fffb3d68c73c8fa (diff)
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2005-12-13 Ulrich Drepper <drepper@redhat.com>
Diffstat (limited to 'math/cargf.c')
-rw-r--r--math/cargf.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/math/cargf.c b/math/cargf.c
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+++ b/math/cargf.c
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+/* Compute argument 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>
+
+float
+__cargf (__complex__ float x)
+{
+  return __atan2f (__imag__ x, __real__ x);
+}
+weak_alias (__cargf, cargf)