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Importing cexpl.c from NetBSD.

This commit is contained in:
Aditya Upadhyay 2017-06-29 01:32:00 +05:30 committed by Corinna Vinschen
parent 4c2556e935
commit b1b12e1e00
2 changed files with 47 additions and 1 deletions
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2
newlib/libm/complex/Makefile.am
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@ -11,7 +11,7 @@ src = cabs.c cacos.c cacosh.c carg.c casin.c casinh.c \
csin.c csinh.c csqrt.c ctan.c ctanh.c
lsrc = cabsl.c creall.c cimagl.c ccoshl.c cacoshl.c \
clogl.c csqrtl.c cargl.c cprojl.c
clogl.c csqrtl.c cargl.c cprojl.c cexpl.c
fsrc = cabsf.c casinf.c ccosf.c cimagf.c cprojf.c \
csqrtf.c cacosf.c casinhf.c ccoshf.c clogf.c clog10f.c \

46
newlib/libm/complex/cexpl.c Executable file
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@ -0,0 +1,46 @@
/* $NetBSD: cexpl.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
cexpl(long double complex z)
{
long double complex w;
long double r, x, y;
x = creall(z);
y = cimagl(z);
r = expl(x);
w = r * cosl(y) + r * sinl(y) * I;
return w;
}