AlgObj2DInt.h

//===========================================================================
// GoTools - SINTEF Geometry Tools
//
// GoTools module: Intersections, version 1.0
//
// Copyright (C) 2000-2007 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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//
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// SINTEF ICT, Department of Applied Mathematics,                         
// P.O. Box 124 Blindern,                                                 
// 0314 Oslo, Norway.                                                     
//
// Other licenses are also available for this software, notably licenses
// for:
// - Building commercial software.                                        
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//===========================================================================
#ifndef _ALGOBJ2DINT_H
#define _ALGOBJ2DINT_H


#include "AlgObjectInt.h"
#include "Array.h"
#include <vector>


namespace Go {




struct Alg2DElem {

    double factor_;

    Array<int, 2> degrees_; // (deg_x, deg_y).

    Alg2DElem(double factor, int degree_x, int degree_y)
        : factor_(factor), degrees_(Array<int, 2>(degree_x, degree_y))
    {}
};



class AlgObj2DInt : public AlgObjectInt {
public:
    AlgObj2DInt(int degree);

    AlgObj2DInt(const std::vector<Alg2DElem>& terms);

    virtual ~AlgObj2DInt();

    int numTerms()
    { return terms_.size(); }

    Alg2DElem term(int index);

protected:

    int degree_;
    std::vector<Alg2DElem> terms_;
    bool power_basis_;

};


} // namespace Go


#endif // _ALGOBJ2DINT_H

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