File: Perm.h

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// Copyright (C) 2002 Ronan Collobert (collober@iro.umontreal.ca)
//                
//
// This file is part of Torch. Release II.
// [The Ultimate Machine Learning Library]
//
// Torch 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.
//
// Torch 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 Torch; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef PERM_INC
#define PERM_INC

#include "Object.h"
#include "Perm.h"

namespace Torch {

/** Permutation object.
    
    @author Ronan Collobert (collober@iro.umontreal.ca)
*/
class Perm : public Object
{ 
  public:
    /// Size of the permutation
    int n;
    
    /// Data of the permutation
    int *ptr;
    
    /// Create a new permutation
    Perm(int n_dim);
    
    /// Copy the permutation #perm#
    void copy(Perm * perm);
    
   ~Perm();
};


}

#endif