diff options
author | Aditya Upadhyay <aadit0402@gmail.com> | 2017-06-28 23:11:21 +0300 |
---|---|---|
committer | Corinna Vinschen <corinna@vinschen.de> | 2017-06-29 14:44:31 +0300 |
commit | 67b376ad3ff1b4dff0c7e057247bf0b5efb1d9e2 (patch) | |
tree | b8cb999a282b5d405fd3fdd940412e9fbdad9274 /newlib/libm/complex | |
parent | c907007fb00e40a6124e8ac85d0a73e0b786a9db (diff) |
Importing ctanhl.c from NetBSD.
Diffstat (limited to 'newlib/libm/complex')
-rw-r--r-- | newlib/libm/complex/Makefile.am | 2 | ||||
-rwxr-xr-x | newlib/libm/complex/ctanhl.c | 47 |
2 files changed, 48 insertions, 1 deletions
diff --git a/newlib/libm/complex/Makefile.am b/newlib/libm/complex/Makefile.am index a9db3851b..95066dba9 100644 --- a/newlib/libm/complex/Makefile.am +++ b/newlib/libm/complex/Makefile.am @@ -13,7 +13,7 @@ src = cabs.c cacos.c cacosh.c carg.c casin.c casinh.c \ lsrc = cabsl.c creall.c cimagl.c ccoshl.c cacoshl.c \ clogl.c csqrtl.c cargl.c cprojl.c cexpl.c \ cephes_subrl.c cacosl.c ccosl.c casinl.c \ - catanhl.c conjl.c cpowl.c + catanhl.c conjl.c cpowl.c ctanhl.c fsrc = cabsf.c casinf.c ccosf.c cimagf.c cprojf.c \ csqrtf.c cacosf.c casinhf.c ccoshf.c clogf.c clog10f.c \ diff --git a/newlib/libm/complex/ctanhl.c b/newlib/libm/complex/ctanhl.c new file mode 100755 index 000000000..1db886f63 --- /dev/null +++ b/newlib/libm/complex/ctanhl.c @@ -0,0 +1,47 @@ +/* $NetBSD: ctanhl.c,v 1.1 2014/10/10 00:48:18 christos 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. + */ + +#include <complex.h> +#include <math.h> + +long double complex +ctanhl(long double complex z) +{ + long double complex w; + long double x, y, d; + + x = creall(z); + y = cimagl(z); + d = coshl(2.0L * x) + cosl(2.0L * y); + w = sinhl(2.0L * x) / d + (sinl(2.0L * y) / d) * I; + + return w; +} |