1 files changed, 80 insertions, 0 deletions
diff --git a/newstructure/thirdparty/linux/include/coin/BonLpBranchingSolver.hpp b/newstructure/thirdparty/linux/include/coin/BonLpBranchingSolver.hpp
new file mode 100644
index 0000000..9e10172
--- /dev/null
+++ b/newstructure/thirdparty/linux/include/coin/BonLpBranchingSolver.hpp
@@ -0,0 +1,80 @@
+// Copyright (C) 2006, 2007 International Business Machines
+// Corporation and others.  All Rights Reserved.
+#ifndef BonLpBranchingSolver_H
+#define BonLpBranchingSolver_H
+
+#include "BonStrongBranchingSolver.hpp"
+#include "BonEcpCuts.hpp"
+
+namespace Bonmin
+{
+
+  /** Implementation of BonChooseVariable for curvature-based braching.
+  */
+
+  class LpBranchingSolver : public StrongBranchingSolver
+  {
+
+  public:
+
+    /// Constructor from setup 
+    LpBranchingSolver (BabSetupBase *b);
+    /// Copy constructor
+    LpBranchingSolver (const LpBranchingSolver &);
+
+    /// Assignment operator
+    LpBranchingSolver & operator= (const LpBranchingSolver& rhs);
+
+    /// Destructor
+    virtual ~LpBranchingSolver ();
+
+    /// Called to initialize solver before a bunch of strong branching
+    /// solves
+    virtual void markHotStart(OsiTMINLPInterface* tminlp_interface);
+
+    /// Called to solve the current TMINLP (with changed bound information)
+    virtual TNLPSolver::ReturnStatus solveFromHotStart(OsiTMINLPInterface* tminlp_interface);
+
+    /// Called after all strong branching solves in a node
+    virtual void unmarkHotStart(OsiTMINLPInterface* tminlp_interface);
+
+    void setMaxCuttingPlaneIter(int num)
+    {
+      maxCuttingPlaneIterations_ = num;
+    }
+
+    static void registerOptions(Ipopt::SmartPtr<Bonmin::RegisteredOptions> roptions);
+
+  private:
+    /// Default Constructor
+    LpBranchingSolver ();
+
+    /// Linear solver
+    OsiSolverInterface* lin_;
+
+    /// Warm start object for linear solver
+    CoinWarmStart* warm_;
+
+    /// Ecp cut generate
+    EcpCuts* ecp_;
+
+    /// Number of maximal ECP cuts
+    int maxCuttingPlaneIterations_;
+
+    /// absolute tolerance for ECP cuts
+    double abs_ecp_tol_;
+
+    /// relative tolerance for ECP cuts
+    double rel_ecp_tol_;
+
+
+   enum WarmStartMethod {
+     Basis=0 /** Use basis*/,
+     Clone /** clone problem*/
+   };
+   /// Way problems are warm started
+   WarmStartMethod warm_start_mode_;
+  };
+
+}
+#endif