source: trunk/Cbc/src/CbcHeuristicDiveFractional.hpp @ 2464

Last change on this file since 2464 was 2464, checked in by unxusr, 6 months ago

.clang-format with proposal for formatting code

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1/* $Id: CbcHeuristicDiveFractional.hpp 2464 2019-01-03 19:03:23Z unxusr $ */
2// Copyright (C) 2008, International Business Machines
3// Corporation and others.  All Rights Reserved.
4// This code is licensed under the terms of the Eclipse Public License (EPL).
5
6#ifndef CbcHeuristicDiveFractional_H
7#define CbcHeuristicDiveFractional_H
8
9#include "CbcHeuristicDive.hpp"
10
11/** DiveFractional class
12 */
13
14class CbcHeuristicDiveFractional : public CbcHeuristicDive {
15public:
16  // Default Constructor
17  CbcHeuristicDiveFractional();
18
19  // Constructor with model - assumed before cuts
20  CbcHeuristicDiveFractional(CbcModel &model);
21
22  // Copy constructor
23  CbcHeuristicDiveFractional(const CbcHeuristicDiveFractional &);
24
25  // Destructor
26  ~CbcHeuristicDiveFractional();
27
28  /// Clone
29  virtual CbcHeuristicDiveFractional *clone() const;
30
31  /// Assignment operator
32  CbcHeuristicDiveFractional &operator=(const CbcHeuristicDiveFractional &rhs);
33
34  /// Create C++ lines to get to current state
35  virtual void generateCpp(FILE *fp);
36
37  /// Selects the next variable to branch on
38  /** Returns true if all the fractional variables can be trivially
39        rounded. Returns false, if there is at least one fractional variable
40        that is not trivially roundable. In this case, the bestColumn
41        returned will not be trivially roundable.
42    */
43  virtual bool selectVariableToBranch(OsiSolverInterface *solver,
44    const double *newSolution,
45    int &bestColumn,
46    int &bestRound);
47};
48
49#endif
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