From b3eed382dff7d4703f29a5de4d9d52728faa1de6 Mon Sep 17 00:00:00 2001 From: Aditya Upadhyay Date: Thu, 29 Jun 2017 01:40:31 +0530 Subject: [PATCH 13/18] Importing cpowl.c from NetBSD. --- newlib/libm/complex/Makefile.am | 2 +- newlib/libm/complex/cpowl.c | 56 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 57 insertions(+), 1 deletion(-) create mode 100755 newlib/libm/complex/cpowl.c diff --git a/newlib/libm/complex/Makefile.am b/newlib/libm/complex/Makefile.am index 736a9e0..a9db385 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 + catanhl.c conjl.c cpowl.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/cpowl.c b/newlib/libm/complex/cpowl.c new file mode 100755 index 0000000..85c2c20 --- /dev/null +++ b/newlib/libm/complex/cpowl.c @@ -0,0 +1,56 @@ +/* $NetBSD: cpowl.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 +#include + +long double complex +cpowl(long double complex a, long double complex z) +{ + long double complex w; + long double x, y, r, theta, absa, arga; + + x = creall(z); + y = cimagl(z); + absa = cabsl(a); + if (absa == 0.0L) { + return (0.0L + 0.0L * I); + } + arga = cargl(a); + r = powl(absa, x); + theta = x * arga; + if (y != 0.0L) { + r = r * expl(-y * arga); + theta = theta + y * logl(absa); + } + w = r * cosl(theta) + (r * sinl(theta)) * I; + return w; +} -- 2.7.4