CbcChooseVariable.hpp

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/* $Id: CbcChooseVariable.hpp 1286 2009-11-09 23:33:07Z EdwinStraver $ */
// Copyright (C) 2002, International Business Machines
// Corporation and others.  All Rights Reserved.
#ifndef CbcChooseVariable_H
#define CbcChooseVariable_H

/*  These can be alternative strategies for choosing variables
    Any descendant can be passed in by setVariableChoice
*/

// FIXME: Do we want to define UP and DOWN constants (1 and -1) for clarity?
class CbcChooseVariable {
public:
    // Default Constructor
    CbcChooseVariable () {}

    virtual ~CbcChooseVariable() {}
    virtual int chosen (const CbcModel * model, int numberToLookAt,
                        const int * which, const double * downMovement,
                        const double * upMovement, const double * solution,
                        int & way, double & value) = 0;

};

#endif