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authorCorinna Vinschen <corinna@vinschen.de>2010-10-08 10:35:14 +0000
committerCorinna Vinschen <corinna@vinschen.de>2010-10-08 10:35:14 +0000
commit5af2a793bc8cc1a41783515ded2aee98d7e50644 (patch)
treed07f6b0863fe8607d1290980d9bd5ae0a75f2cff /newlib/libm/complex/ccosf.c
parent1a91b8c0ac168f498576bd8833e8d4a7197fce57 (diff)
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* libc/include/complex.h: New complex header.
* libm/common/fdlibm.h: Added ifdef _COMPLEX_H. * libm/complex/*: New complex functions imported from NetBSD. * libm/Makefile.am: Added complex subdir. * libm/Makefile.in: Regenerate. * libm/configure.in: Added complex subdir. * libm/configure: Regenerate.
Diffstat (limited to 'newlib/libm/complex/ccosf.c')
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1 files changed, 48 insertions, 0 deletions
diff --git a/newlib/libm/complex/ccosf.c b/newlib/libm/complex/ccosf.c
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+/* $NetBSD: ccosf.c,v 1.1 2007/08/20 16:01:33 drochner Exp $ */
+
+/*-
+ * Copyright (c) 2007 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software written by Stephen L. Moshier.
+ * It is redistributed by the NetBSD Foundation by permission of the author.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * imported and modified include for newlib 2010/10/03
+ * Marco Atzeri <marco_atzeri@yahoo.it>
+ */
+
+#include <complex.h>
+#include <math.h>
+#include "cephes_subrf.h"
+
+float complex
+ccosf(float complex z)
+{
+ float complex w;
+ float ch, sh;
+
+ _cchshf(cimagf(z), &ch, &sh);
+ w = cosf(crealf(z)) * ch - (sinf(crealf(z)) * sh) * I;
+ return w;
+}