/usr/include/coin/CbcHeuristicDiveLineSearch.hpp is in coinor-libcbc-dev 2.5.0-2.3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | /* $Id: CbcHeuristicDiveLineSearch.hpp 1173 2009-06-04 09:44:10Z forrest $ */
// Copyright (C) 2008, International Business Machines
// Corporation and others. All Rights Reserved.
#ifndef CbcHeuristicDiveLineSearch_H
#define CbcHeuristicDiveLineSearch_H
#include "CbcHeuristicDive.hpp"
/** DiveLineSearch class
*/
class CbcHeuristicDiveLineSearch : public CbcHeuristicDive {
public:
// Default Constructor
CbcHeuristicDiveLineSearch ();
// Constructor with model - assumed before cuts
CbcHeuristicDiveLineSearch (CbcModel & model);
// Copy constructor
CbcHeuristicDiveLineSearch ( const CbcHeuristicDiveLineSearch &);
// Destructor
~CbcHeuristicDiveLineSearch ();
/// Clone
virtual CbcHeuristicDiveLineSearch * clone() const;
/// Assignment operator
CbcHeuristicDiveLineSearch & operator=(const CbcHeuristicDiveLineSearch& rhs);
/// Create C++ lines to get to current state
virtual void generateCpp( FILE * fp) ;
/// Selects the next variable to branch on
/** Returns true if all the fractional variables can be trivially
rounded. Returns false, if there is at least one fractional variable
that is not trivially roundable. In this case, the bestColumn
returned will not be trivially roundable.
*/
virtual bool selectVariableToBranch(OsiSolverInterface* solver,
const double* newSolution,
int& bestColumn,
int& bestRound);
};
#endif
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