gsl_permutation.h

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//

//  This permutation class has been adapted from the gslwrap project.
//  It is a C++ wrapper for the GNU Scientific Library
//  Copyright (C) 2001 Ramin Nakisa

//  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., 675 Mass Ave, Cambridge, MA 02139, USA.

#ifndef _GSL_PERMUTATION_H
#define _GSL_PERMUTATION_H

#include<assert.h>
#include<gsl/gsl_permutation.h>

//

class permutation
{
        friend class matrix;
        friend class matrix_int;
        
private:

//

        gsl_permutation *gsldata;
        
public:

//
//

        permutation(size_t n,bool clear=true);

//
        
        permutation();
        
//
//

    ~permutation();
        
//
//
        void resize(size_t n);
        
//
        
        gsl_permutation       *gslperm_obj()       {assert(gsldata);return gsldata;} 

//

        const gsl_permutation *gslperm_obj() const {assert(gsldata);return gsldata;}

};

#endif // GSL_PERMUTATION_H