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+// (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 : 04/13/2007
+#ifndef BonminSetup_H
+#define BonminSetup_H
+#include "BonBabSetupBase.hpp"
+namespace Bonmin
+{
+ /** Type of algorithms which can be used.*/
+ enum Algorithm{
+ Dummy=-1/** Dummy value before initialization.*/,
+ B_BB=0/** Bonmin's Branch-and-bound.*/,
+ B_OA=1/** Bonmin's Outer Approximation Decomposition.*/,
+ B_QG=2/** Bonmin's Quesada & Grossmann branch-and-cut.*/,
+ B_Hyb=3/** Bonmin's hybrid outer approximation.*/,
+ B_Ecp=4/** Bonmin's implemantation of ecp cuts based branch-and-cut a la FilMINT.*/,
+ B_IFP=5/** Bonmin's implemantation of iterated feasibility pump for MINLP.*/
+ };
+ /* Bonmin algorithm setup. */
+ class BonminSetup : public BabSetupBase
+ {
+ public:
+ /** Default constructor. */
+ BonminSetup(const CoinMessageHandler * handler = NULL);
+ /** Copy constructor. */
+ BonminSetup(const BonminSetup & other);
+
+ /** Copy but uses an other nlp.*/
+ BonminSetup(const BonminSetup &setup,
+ OsiTMINLPInterface &nlp);
+
+ /** Copy but uses another nlp and algorithm.*/
+ BonminSetup(const BonminSetup &setup,
+ OsiTMINLPInterface &nlp,
+ const std::string & prefix);
+ /** virtual copy constructor. */
+ virtual BabSetupBase * clone() const
+ {
+ return new BonminSetup(*this);
+ }
+ /** Make a copy with solver replace by one passed .*/
+ // virtual BabSetupBase *clone(OsiTMINLPInterface&nlp)const{
+ // return new BonminSetup(*this, nlp);
+ // }
+ /** Make a copy with solver replace by one passed .*/
+ BonminSetup *clone(OsiTMINLPInterface&nlp)const{
+ return new BonminSetup(*this, nlp);
+ }
+ /** Make a copy but take options with different prefix.*/
+ BonminSetup *clone(OsiTMINLPInterface &nlp, const std::string & prefix)const{
+ return new BonminSetup(*this, nlp, prefix);
+ }
+ virtual ~BonminSetup()
+ {}
+ /** @name Methods to instantiate: Registering and retrieving options and initializing everything. */
+ /** @{ */
+ /** Register all the options for this algorithm instance.*/
+ virtual void registerOptions();
+ /** Setup the defaults options for this algorithm. */
+ virtual void setBabDefaultOptions(Ipopt::SmartPtr<Bonmin::RegisteredOptions> roptions)
+ {}
+ /** @} */
+ /** Register all bonmin type executable options.*/
+ static void registerAllOptions(Ipopt::SmartPtr<Bonmin::RegisteredOptions> roptions);
+ /** Initialize, read options and create appropriate bonmin setup.*/
+ void initialize(Ipopt::SmartPtr<TMINLP> tminlp, bool createContinuousSolver = true);
+ /** Initialize, read options and create appropriate bonmin setup.*/
+ void initialize(const OsiTMINLPInterface& nlpSi, bool createContinuousSolver = true);
+ /** Get the algorithm used.*/
+ Bonmin::Algorithm getAlgorithm();
+
+ void addCutGenerator(CuttingMethod & cg){
+ BabSetupBase::addCutGenerator(cg);
+ }
+ protected:
+ /** Register standard MILP cut generators. */
+ static void registerMilpCutGenerators(Ipopt::SmartPtr<Bonmin::RegisteredOptions> roptions);
+ /** Add milp cut generators according to options.*/
+ void addMilpCutGenerators();
+ /** Initialize a plain branch-and-bound.*/
+ void initializeBBB();
+ /** Initialize a branch-and-cut with some OA.*/
+ void initializeBHyb(bool createContinuousSolver = false);
+ private:
+ Algorithm algo_;
+ };
+}/** end namespace Bonmin*/
+
+#endif
+