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givens.h
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Tue, Jul 15, 19:54

givens.h
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/* ************************************************************
HEADER givens.h
For use with mex-files in self-dual-minimization package.
% This file is part of SeDuMi 1.1 by Imre Polik and Oleksandr Romanko
% Copyright (C) 2005 McMaster University, Hamilton, CANADA (since 1.1)
%
% Copyright (C) 2001 Jos F. Sturm (up to 1.05R5)
% Dept. Econometrics & O.R., Tilburg University, the Netherlands.
% Supported by the Netherlands Organization for Scientific Research (NWO).
%
% Affiliation SeDuMi 1.03 and 1.04Beta (2000):
% Dept. Quantitative Economics, Maastricht University, the Netherlands.
%
% Affiliations up to SeDuMi 1.02 (AUG1998):
% CRL, McMaster University, Canada.
% Supported by the Netherlands Organization for Scientific Research (NWO).
%
% This program is free software; you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation; either version 2 of the License, or
% (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program; if not, write to the Free Software
% Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
% 02110-1301, USA
************************************************************ */
#if !defined(GIVENS_H)
#define GIVENS_H
#include "mex.h"
typedef struct{
double x,y;} twodouble;
typedef struct{
double x,xim,y;} tridouble;
void givensrot(double *z, const twodouble *g, const mwIndex n);
void givensrotuj(double *z, const twodouble *g, const mwIndex n);
void prpigivensrot(double *z, double *zpi, const tridouble *g, const mwIndex n);
void prpigivensrotuj(double *z, double *zpi, const tridouble *g, const mwIndex n);
#endif

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