cbcintlinprog added

1 files changed, 69 insertions, 0 deletions

diff --git a/thirdparty/linux/include/coin/BonStrongBranchingSolver.hpp b/thirdparty/linux/include/coin/BonStrongBranchingSolver.hpp
new file mode 100644
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+++ b/thirdparty/linux/include/coin/BonStrongBranchingSolver.hpp
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+// Copyright (C) 2007, International Business Machines
+// Corporation and others.  All Rights Reserved.
+//
+// Author:  Andreas Waechter      2007-08-20    IBM
+//
+#ifndef BonStrongBranchingSolver_H
+#define BonStrongBranchingSolver_H
+
+#include "BonOsiTMINLPInterface.hpp"
+#include "BonRegisteredOptions.hpp"
+namespace Bonmin {
+
+/** This class is the base class for a solver that can be used in
+ *  BonOsiSolverInterface to perform the strong branching solves.
+*/
+
+class StrongBranchingSolver : public Ipopt::ReferencedObject  {
+ 
+public:
+
+  /// Constructor from solver
+  StrongBranchingSolver (OsiTMINLPInterface * solver);
+
+  /// Assignment operator 
+  StrongBranchingSolver & operator= (const StrongBranchingSolver& rhs);
+  /// Copy constructor
+  StrongBranchingSolver(const StrongBranchingSolver& rhs);
+
+  /// Destructor
+  virtual ~StrongBranchingSolver ();
+
+  /// Called to initialize solver before a bunch of strong branching
+  /// solves
+  virtual void markHotStart(OsiTMINLPInterface* tminlp_interface) = 0;
+
+  /// Called to solve the current TMINLP (with changed bound information)
+  virtual TNLPSolver::ReturnStatus solveFromHotStart(OsiTMINLPInterface* tminlp_interface) = 0;
+
+  /// Called after all strong branching solves in a node
+  virtual void unmarkHotStart(OsiTMINLPInterface* tminlp_interface) = 0;
+
+protected:
+
+  inline Ipopt::SmartPtr<Ipopt::Journalist>& Jnlst()
+  {
+    return jnlst_;
+  }
+  inline Ipopt::SmartPtr<Ipopt::OptionsList>& Options()
+  {
+    return options_;
+  }
+  inline Ipopt::SmartPtr<RegisteredOptions>& RegOptions()
+  {
+    return reg_options_;
+  }
+private:
+  /** Default Constructor, forbiden for some reason.*/
+  StrongBranchingSolver ();
+
+  Ipopt::SmartPtr<Ipopt::Journalist> jnlst_;
+  Ipopt::SmartPtr<Ipopt::OptionsList> options_;
+  Ipopt::SmartPtr<Bonmin::RegisteredOptions> reg_options_;
+
+  int bb_log_level_;
+
+};
+
+}
+#endif