source: trunk/Cbc/src/CbcHeuristicDiveGuided.hpp @ 1424

Last change on this file since 1424 was 1286, checked in by EdwinStraver, 10 years ago

Changed formatting using AStyle -A4 -p

File size: 1.6 KB
Line 
1/* $Id: CbcHeuristicDiveGuided.hpp 1173 2009-06-04 09:44:10Z forrest $ */
2// Copyright (C) 2008, International Business Machines
3// Corporation and others.  All Rights Reserved.
4#ifndef CbcHeuristicDiveGuided_H
5#define CbcHeuristicDiveGuided_H
6
7#include "CbcHeuristicDive.hpp"
8
9/** DiveGuided class
10 */
11
12class CbcHeuristicDiveGuided : public CbcHeuristicDive {
13public:
14
15    // Default Constructor
16    CbcHeuristicDiveGuided ();
17
18    // Constructor with model - assumed before cuts
19    CbcHeuristicDiveGuided (CbcModel & model);
20
21    // Copy constructor
22    CbcHeuristicDiveGuided ( const CbcHeuristicDiveGuided &);
23
24    // Destructor
25    ~CbcHeuristicDiveGuided ();
26
27    /// Clone
28    virtual CbcHeuristicDiveGuided * clone() const;
29
30    /// Assignment operator
31    CbcHeuristicDiveGuided & operator=(const CbcHeuristicDiveGuided& rhs);
32
33    /// Create C++ lines to get to current state
34    virtual void generateCpp( FILE * fp) ;
35
36    /// Tests if the heuristic can run
37    virtual bool canHeuristicRun();
38
39    /// Selects the next variable to branch on
40    /** Returns true if all the fractional variables can be trivially
41        rounded. Returns false, if there is at least one fractional variable
42        that is not trivially roundable. In this case, the bestColumn
43        returned will not be trivially roundable.
44    */
45    virtual bool selectVariableToBranch(OsiSolverInterface* solver,
46                                        const double* newSolution,
47                                        int& bestColumn,
48                                        int& bestRound);
49
50};
51
52#endif
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