/usr/include/coin/CbcHeuristicDiveFractional.hpp is in coinor-libcbc-dev 2.8.12-1+b2.
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 50 51 | /* $Id: CbcHeuristicDiveFractional.hpp 1902 2013-04-10 16:58:16Z stefan $ */
// Copyright (C) 2008, International Business Machines
// Corporation and others. All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).
#ifndef CbcHeuristicDiveFractional_H
#define CbcHeuristicDiveFractional_H
#include "CbcHeuristicDive.hpp"
/** DiveFractional class
*/
class CbcHeuristicDiveFractional : public CbcHeuristicDive {
public:
// Default Constructor
CbcHeuristicDiveFractional ();
// Constructor with model - assumed before cuts
CbcHeuristicDiveFractional (CbcModel & model);
// Copy constructor
CbcHeuristicDiveFractional ( const CbcHeuristicDiveFractional &);
// Destructor
~CbcHeuristicDiveFractional ();
/// Clone
virtual CbcHeuristicDiveFractional * clone() const;
/// Assignment operator
CbcHeuristicDiveFractional & operator=(const CbcHeuristicDiveFractional& 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
|