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author | Harpreet | 2016-09-03 00:36:51 +0530 |
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committer | Harpreet | 2016-09-03 00:36:51 +0530 |
commit | a0d9443af147e949c1e6a01ac24749d12593ec5b (patch) | |
tree | 1a1955c5482ae608fd7f618b06f4ecc6a0d39a23 /newstructure/thirdparty/linux/include/coin/BonCbc.hpp | |
parent | 4b64cf486f5c999fd8167758cae27839f3b50848 (diff) | |
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cbcintlinprog added
Diffstat (limited to 'newstructure/thirdparty/linux/include/coin/BonCbc.hpp')
-rw-r--r-- | newstructure/thirdparty/linux/include/coin/BonCbc.hpp | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/newstructure/thirdparty/linux/include/coin/BonCbc.hpp b/newstructure/thirdparty/linux/include/coin/BonCbc.hpp deleted file mode 100644 index caa178e..0000000 --- a/newstructure/thirdparty/linux/include/coin/BonCbc.hpp +++ /dev/null @@ -1,127 +0,0 @@ -// (C) Copyright International Business Machines Corporation 2007 -// All Rights Reserved. -// This code is published under the Eclipse Public License. -// -// Authors : -// Pierre Bonami, International Business Machines Corporation -// -// Date : 04/19/2007 - -#ifndef BonCbc_H -#define BonCbc_H - -//#include "BonBabSetupBase.hpp" -#include "CbcModel.hpp" - -namespace Bonmin -{ - class BabSetupBase; - class Bab - { - public: - /** Integer optimization return codes.*/ - enum MipStatuses {FeasibleOptimal /** Optimum solution has been found and its optimality proved.*/, - ProvenInfeasible /** Problem has been proven to be infeasible.*/, - Feasible /** An integer solution to the problem has been found.*/, - UnboundedOrInfeasible /*Coninuous relaxation is unbounded.*/, - NoSolutionKnown/** No feasible solution to the problem is known*/, - NumMipStats}; - - - /** Constructor.*/ - Bab(); - /** destructor.*/ - virtual ~Bab(); - /** Perform a branch-and-bound using given setup.*/ - virtual void branchAndBound(BabSetupBase & s); - - /**operator() performs the branchAndBound*/ - virtual void operator()(BabSetupBase & s); - - /**operator() performs the branchAndBound*/ - virtual void operator()(BabSetupBase * s){ - operator()(*s);} - - /** get the best solution known to the problem (is optimal if MipStatus is FeasibleOptimal). - if no solution is known returns NULL.*/ - const double * bestSolution() const - { - return bestSolution_; - } - /** return objective value of the bestSolution */ - double bestObj() const - { - return bestObj_; - } - - /** return Mip Status */ - MipStatuses mipStatus() const - { - return mipStatus_; - } - - /** return the best known lower bound on the objective value*/ - double bestBound(); - - /** return the total number of nodes explored.*/ - int numNodes() const - { - return numNodes_; - } - /** return the total number of iterations in the last mip solved.*/ - int iterationCount() - { - return mipIterationCount_; - } - /** returns the value of the continuous relaxation. */ - double continuousRelaxation() - { - return continuousRelaxation_; - } - - /** virtual callback function to eventually modify objects for integer variable - (replace with user set). This is called after CbcModel::findIntegers */ - virtual void replaceIntegers(OsiObject ** objects, int numberObjects) - {} - /** Get cbc model used to solve. */ - const CbcModel& model() const - { - return model_; - } - - /** Get cbc model used to solve as non-const, in case we want to - change options before things happen */ - CbcModel& model() - { - return model_; - } - - protected: - /** Stores the solution of MIP. */ - double * bestSolution_; - - /** Status of the mip solved*/ - MipStatuses mipStatus_; - /** objValue of MIP */ - double bestObj_; - /** best known (lower) bound.*/ - double bestBound_; - /** Continuous relaxation of the problem */ - double continuousRelaxation_; - /** Number of nodes enumerated.*/ - int numNodes_; - /** get total number of iterations in last mip solved.*/ - int mipIterationCount_; - /** CbcModel used to solve problem.*/ - CbcModel model_; - /** Message handler for CbcModel. */ - CoinMessageHandler * modelHandler_; - /** \brief OsiObjects of the model. - * this is not null if and only if there are some non-simple-integer branching objects such as SOS constraints. - * It is up to Bab to pass them over to appropriate components of the algorithm. */ - OsiObject** objects_; - /** number of objects.*/ - int nObjects_; - }; -} -#endif |