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Diffstat (limited to 'build/Bonmin/include/coin/CbcFathom.hpp')
-rw-r--r-- | build/Bonmin/include/coin/CbcFathom.hpp | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/build/Bonmin/include/coin/CbcFathom.hpp b/build/Bonmin/include/coin/CbcFathom.hpp deleted file mode 100644 index 8f934c9..0000000 --- a/build/Bonmin/include/coin/CbcFathom.hpp +++ /dev/null @@ -1,137 +0,0 @@ -/* $Id: CbcFathom.hpp 1889 2013-04-07 13:46:46Z stefan $ */ -// Copyright (C) 2004, International Business Machines -// Corporation and others. All Rights Reserved. -// This code is licensed under the terms of the Eclipse Public License (EPL). - -#ifndef CbcFathom_H -#define CbcFathom_H -#include "CbcConfig.h" - -/* - This file contains two classes, CbcFathom and CbcOsiSolver. It's unclear why - they're in the same file. CbcOsiSolver is a base class for CbcLinked. - - --lh, 071031 -- -*/ - - -class CbcModel; - -//############################################################################# -/** Fathom base class. - - The idea is that after some branching the problem will be effectively smaller than - the original problem and maybe there will be a more specialized technique which can completely - fathom this branch quickly. - - One method is to presolve the problem to give a much smaller new problem and then do branch - and cut on that. Another might be dynamic programming. - - */ - -class CbcFathom { -public: - // Default Constructor - CbcFathom (); - - // Constructor with model - assumed before cuts - CbcFathom (CbcModel & model); - - virtual ~CbcFathom(); - - /// update model (This is needed if cliques update matrix etc) - virtual void setModel(CbcModel * model); - - /// Clone - virtual CbcFathom * clone() const = 0; - - /// Resets stuff if model changes - virtual void resetModel(CbcModel * model) = 0; - - /** returns 0 if no fathoming attempted, 1 fully fathomed, - 2 incomplete search, 3 incomplete search but treat as complete. - If solution then newSolution will not be NULL and - will be freed by CbcModel. It is expected that the solution is better - than best so far but CbcModel will double check. - - If returns 3 then of course there is no guarantee of global optimum - */ - virtual int fathom(double *& newSolution) = 0; - - // Is this method possible - inline bool possible() const { - return possible_; - } - -protected: - - /// Model - CbcModel * model_; - /// Possible - if this method of fathoming can be used - bool possible_; -private: - - /// Illegal Assignment operator - CbcFathom & operator=(const CbcFathom& rhs); - -}; - -#include "OsiClpSolverInterface.hpp" - -//############################################################################# - -/** - -This is for codes where solver needs to know about CbcModel - Seems to provide only one value-added feature, a CbcModel object. - -*/ - -class CbcOsiSolver : public OsiClpSolverInterface { - -public: - - /**@name Constructors and destructors */ - //@{ - /// Default Constructor - CbcOsiSolver (); - - /// Clone - virtual OsiSolverInterface * clone(bool copyData = true) const; - - /// Copy constructor - CbcOsiSolver (const CbcOsiSolver &); - - /// Assignment operator - CbcOsiSolver & operator=(const CbcOsiSolver& rhs); - - /// Destructor - virtual ~CbcOsiSolver (); - - //@} - - - /**@name Sets and Gets */ - //@{ - /// Set Cbc Model - inline void setCbcModel(CbcModel * model) { - cbcModel_ = model; - } - /// Return Cbc Model - inline CbcModel * cbcModel() const { - return cbcModel_; - } - //@} - - //--------------------------------------------------------------------------- - -protected: - - - /**@name Private member data */ - //@{ - /// Pointer back to CbcModel - CbcModel * cbcModel_; - //@} -}; -#endif |