csinhl.c revision 1.1.2.2 1 1.1.2.2 martin /* $NetBSD: csinhl.c,v 1.1.2.2 2014/10/13 19:34:58 martin Exp $ */
2 1.1.2.2 martin
3 1.1.2.2 martin /*-
4 1.1.2.2 martin * Copyright (c) 2007 The NetBSD Foundation, Inc.
5 1.1.2.2 martin * All rights reserved.
6 1.1.2.2 martin *
7 1.1.2.2 martin * This code is derived from software written by Stephen L. Moshier.
8 1.1.2.2 martin * It is redistributed by the NetBSD Foundation by permission of the author.
9 1.1.2.2 martin *
10 1.1.2.2 martin * Redistribution and use in source and binary forms, with or without
11 1.1.2.2 martin * modification, are permitted provided that the following conditions
12 1.1.2.2 martin * are met:
13 1.1.2.2 martin * 1. Redistributions of source code must retain the above copyright
14 1.1.2.2 martin * notice, this list of conditions and the following disclaimer.
15 1.1.2.2 martin * 2. Redistributions in binary form must reproduce the above copyright
16 1.1.2.2 martin * notice, this list of conditions and the following disclaimer in the
17 1.1.2.2 martin * documentation and/or other materials provided with the distribution.
18 1.1.2.2 martin *
19 1.1.2.2 martin * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.1.2.2 martin * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.1.2.2 martin * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.1.2.2 martin * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.1.2.2 martin * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.1.2.2 martin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.1.2.2 martin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.1.2.2 martin * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.1.2.2 martin * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.1.2.2 martin * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.1.2.2 martin * POSSIBILITY OF SUCH DAMAGE.
30 1.1.2.2 martin */
31 1.1.2.2 martin
32 1.1.2.2 martin #include "../src/namespace.h"
33 1.1.2.2 martin #include <complex.h>
34 1.1.2.2 martin #include <math.h>
35 1.1.2.2 martin
36 1.1.2.2 martin long double complex
37 1.1.2.2 martin csinhl(long double complex z)
38 1.1.2.2 martin {
39 1.1.2.2 martin long double complex w;
40 1.1.2.2 martin long double x, y;
41 1.1.2.2 martin
42 1.1.2.2 martin x = creall(z);
43 1.1.2.2 martin y = cimagl(z);
44 1.1.2.2 martin w = sinhl(x) * cosl(y) + (coshl(x) * sinl(y)) * I;
45 1.1.2.2 martin return w;
46 1.1.2.2 martin }
47