diff options
author | Ian Moffett <ian@osmora.org> | 2024-03-07 17:28:00 -0500 |
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committer | Ian Moffett <ian@osmora.org> | 2024-03-07 17:28:32 -0500 |
commit | bd5969fc876a10b18613302db7087ef3c40f18e1 (patch) | |
tree | 7c2b8619afe902abf99570df2873fbdf40a4d1a1 /lib/mlibc/options/ansi/generic/complex/ccosh.c | |
parent | a95b38b1b92b172e6cc4e8e56a88a30cc65907b0 (diff) |
lib: Add mlibc
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'lib/mlibc/options/ansi/generic/complex/ccosh.c')
-rw-r--r-- | lib/mlibc/options/ansi/generic/complex/ccosh.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/lib/mlibc/options/ansi/generic/complex/ccosh.c b/lib/mlibc/options/ansi/generic/complex/ccosh.c new file mode 100644 index 0000000..223a5ed --- /dev/null +++ b/lib/mlibc/options/ansi/generic/complex/ccosh.c @@ -0,0 +1,81 @@ +/* $NetBSD: ccosh.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> + */ + +/* +FUNCTION + <<ccosh>>, <<ccoshf>>---complex hyperbolic cosine + +INDEX + ccosh +INDEX + ccoshf + +ANSI_SYNOPSIS + #include <complex.h> + double complex ccosh(double complex <[z]>); + float complex ccoshf(float complex <[z]>); + + +DESCRIPTION + These functions compute the complex hyperbolic cosine of <[z]>. + + <<ccoshf>> is identical to <<ccosh>>, except that it performs + its calculations on <<floats complex>>. + +RETURNS + These functions return the complex hyperbolic cosine value. + +PORTABILITY + <<ccosh>> and <<ccoshf>> are ISO C99 + +QUICKREF + <<ccosh>> and <<ccoshf>> are ISO C99 + +*/ + + +#include <complex.h> +#include <math.h> + +double complex +ccosh(double complex z) +{ + double complex w; + double x, y; + + x = creal(z); + y = cimag(z); + w = cosh(x) * cos(y) + (sinh(x) * sin(y)) * I; + return w; +} |