PrMatrix.h

//===========================================================================
// GoTools - SINTEF Geometry Tools version 1.1
//
// GoTools module: parametrization
//
// Copyright (C) 2000-2005 SINTEF ICT, Applied Mathematics, Norway.
//
// 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 version 2 of the License. 
//
// 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.,                                                      
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// SINTEF ICT, Department of Applied Mathematics,                         
// P.O. Box 124 Blindern,                                                 
// 0314 Oslo, Norway.                                                     
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// Other licenses are also available for this software, notably licenses
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//===========================================================================
#ifndef PRMATRIX_H
#define PRMATRIX_H


#include "PrVec.h"

/*<PrMatrix-syntax: */

class PrMatrix
{

public:
  // pure virtual functions...
  virtual int rows() const  = 0;
  virtual int colmns() const = 0;
  virtual double operator () (int i, int j) const = 0;
  virtual void prod(const PrVec& x, PrVec& y) const = 0;
  virtual ~PrMatrix();

  virtual void print(std::ostream& os);
  virtual void read(std::istream& is) = 0;
};

/*>PrMatrix-syntax: */

/*Class:PrMatrix

Name:              PrMatrix
Syntax:            @PrMatrix-syntax
Keywords:
Description:       This class implements a matrix
Member functions:

Constructors:
Files:
Example:

See also:
Developed by:      SINTEF Applied Mathematics, Oslo, Norway
Author:            Michael Floater, SINTEF
Date:              Dec. 98
*/

#endif // PRMATRIX_H

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