ClpConstraintAmpl.hpp

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/* $Id: ClpConstraintAmpl.hpp 1173 2009-06-04 09:44:10Z forrest $ */
// Copyright (C) 2007, International Business Machines
// Corporation and others.  All Rights Reserved.
#ifndef ClpConstraintAmpl_H
#define ClpConstraintAmpl_H

#include "ClpConstraint.hpp"

//#############################################################################

class ClpConstraintAmpl : public ClpConstraint {

public:




    virtual int gradient(const ClpSimplex * model,
                         const double * solution,
                         double * gradient,
                         double & functionValue ,
                         double & offset,
                         bool useScaling = false,
                         bool refresh = true) const ;
    virtual void resize(int newNumberColumns) ;
    virtual void deleteSome(int numberToDelete, const int * which) ;
    virtual void reallyScale(const double * columnScale) ;
    virtual int markNonlinear(char * which) const ;
    virtual int markNonzero(char * which) const;
    virtual void newXValues() ;



    ClpConstraintAmpl();

    ClpConstraintAmpl(int row, void * amplInfo);

    ClpConstraintAmpl(const ClpConstraintAmpl & rhs);

    ClpConstraintAmpl & operator=(const ClpConstraintAmpl& rhs);

    virtual ~ClpConstraintAmpl ();

    virtual ClpConstraint * clone() const;

    virtual int numberCoefficients() const;
    inline const int * column() const {
        return column_;
    }
    inline const double * coefficient() const {
        return coefficient_;
    }

    //---------------------------------------------------------------------------

private:
    void * amplInfo_;
    int * column_;
    double * coefficient_;
    int numberCoefficients_;
};

#endif