diff options
Diffstat (limited to 'lib/mlibc/options/ansi/generic/complex/ctanh.c')
-rw-r--r-- | lib/mlibc/options/ansi/generic/complex/ctanh.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/lib/mlibc/options/ansi/generic/complex/ctanh.c b/lib/mlibc/options/ansi/generic/complex/ctanh.c deleted file mode 100644 index db27e5b..0000000 --- a/lib/mlibc/options/ansi/generic/complex/ctanh.c +++ /dev/null @@ -1,83 +0,0 @@ -/* $NetBSD: ctanh.c,v 1.1 2007/08/20 16:01:38 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 - <<ctanh>>, <<ctanf>>---complex hyperbolic tangent - -INDEX - ctanh -INDEX - ctanhf - -ANSI_SYNOPSIS - #include <complex.h> - double complex ctanh(double complex <[z]>); - float complex ctanhf(float complex <[z]>); - - -DESCRIPTION - These functions compute the complex hyperbolic tangent of <[z]>. - - <<ctanhf>> is identical to <<ctanh>>, except that it performs - its calculations on <<floats complex>>. - -RETURNS - These functions return the complex hyperbolic tangent value. - -PORTABILITY - <<ctanh>> and <<ctanhf>> are ISO C99 - -QUICKREF - <<ctanh>> and <<ctanhf>> are ISO C99 - -*/ - - -#include <complex.h> -#include <math.h> - -double complex -ctanh(double complex z) -{ - double complex w; - double x, y, d; - - x = creal(z); - y = cimag(z); - d = cosh(2.0 * x) + cos(2.0 * y); - w = sinh(2.0 * x) / d + (sin(2.0 * y) / d) * I; - - return w; -} |