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Diffstat (limited to 'lib/mlibc/options/ansi/generic/complex/cacosh.c')
-rw-r--r-- | lib/mlibc/options/ansi/generic/complex/cacosh.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/lib/mlibc/options/ansi/generic/complex/cacosh.c b/lib/mlibc/options/ansi/generic/complex/cacosh.c deleted file mode 100644 index 3d42c40..0000000 --- a/lib/mlibc/options/ansi/generic/complex/cacosh.c +++ /dev/null @@ -1,93 +0,0 @@ -/* $NetBSD: cacosh.c,v 1.2 2009/08/03 19:41:32 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 - <<cacosh>>, <<cacoshf>>---complex arc hyperbolic cosine - -INDEX - cacosh -INDEX - cacoshf - -ANSI_SYNOPSIS - #include <complex.h> - double complex cacosh(double complex <[z]>); - float complex cacoshf(float complex <[z]>); - - -DESCRIPTION - These functions compute the complex arc hyperbolic cosine of <[z]>, - with a branch cut at values less than 1 along the real axis. - - <<cacoshf>> is identical to <<cacosh>>, except that it performs - its calculations on <<floats complex>>. - -RETURNS - @ifnottex - These functions return the complex arc hyperbolic cosine value, - in the range of a half-strip of non-negative values along the - real axis and in the interval [-i * pi, +i * pi] along the - imaginary axis. - @end ifnottex - @tex - These functions return the complex arc hyperbolic cosine value, - in the range of a half-strip of non-negative values along the - real axis and in the interval [$-i\pi$, $+i\pi$] along the - imaginary axis. - @end tex - -PORTABILITY - <<cacosh>> and <<cacoshf>> are ISO C99 - -QUICKREF - <<cacosh>> and <<cacoshf>> are ISO C99 - -*/ - - -#include <complex.h> - -double complex -cacosh(double complex z) -{ - double complex w; - -#if 0 /* does not give the principal value */ - w = I * cacos(z); -#else - w = clog(z + csqrt(z + 1) * csqrt(z - 1)); -#endif - return w; -} |