source: trunk/Cbc/src/CbcHeuristicDivePseudoCost.hpp @ 1432

Last change on this file since 1432 was 1432, checked in by bjarni, 9 years ago

Added extra return at end of each source file where needed, to remove possible linefeed conflicts (NightlyBuild? errors)

File size: 1.9 KB
Line 
1/* $Id: CbcHeuristicDivePseudoCost.hpp 1240 2009-10-02 18:41:44Z forrest $ */
2// Copyright (C) 2008, International Business Machines
3// Corporation and others.  All Rights Reserved.
4#ifndef CbcHeuristicDivePseudoCost_H
5#define CbcHeuristicDivePseudoCost_H
6
7#include "CbcHeuristicDive.hpp"
8
9/** DivePseudoCost class
10 */
11
12class CbcHeuristicDivePseudoCost : public CbcHeuristicDive {
13public:
14
15    // Default Constructor
16    CbcHeuristicDivePseudoCost ();
17
18    // Constructor with model - assumed before cuts
19    CbcHeuristicDivePseudoCost (CbcModel & model);
20
21    // Copy constructor
22    CbcHeuristicDivePseudoCost ( const CbcHeuristicDivePseudoCost &);
23
24    // Destructor
25    ~CbcHeuristicDivePseudoCost ();
26
27    /// Clone
28    virtual CbcHeuristicDivePseudoCost * clone() const;
29
30    /// Assignment operator
31    CbcHeuristicDivePseudoCost & operator=(const CbcHeuristicDivePseudoCost& rhs);
32
33    /// Create C++ lines to get to current state
34    virtual void generateCpp( FILE * fp) ;
35
36    /// Selects the next variable to branch on
37    /** Returns true if all the fractional variables can be trivially
38        rounded. Returns false, if there is at least one fractional variable
39        that is not trivially roundable. In this case, the bestColumn
40        returned will not be trivially roundable.
41    */
42    virtual bool selectVariableToBranch(OsiSolverInterface* solver,
43                                        const double* newSolution,
44                                        int& bestColumn,
45                                        int& bestRound);
46    /** Initializes any data which is going to be used repeatedly
47        in selectVariableToBranch */
48    virtual void initializeData() ;
49    /// Fix other variables at bounds
50    virtual int fixOtherVariables(OsiSolverInterface * solver,
51                                  const double * solution,
52                                  PseudoReducedCost * candidate,
53                                  const double * random);
54
55};
56
57#endif
58
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