cbcintlinprog added

1 files changed, 77 insertions, 0 deletions

diff --git a/thirdparty/linux/include/coin/BonCurvBranchingSolver.hpp b/thirdparty/linux/include/coin/BonCurvBranchingSolver.hpp
new file mode 100644
index 0000000..83be1ac
--- /dev/null
+++ b/thirdparty/linux/include/coin/BonCurvBranchingSolver.hpp
@@ -0,0 +1,77 @@
+// Copyright (C) 2006, 2007 International Business Machines
+// Corporation and others.  All Rights Reserved.
+//
+//
+#error "BonCurvBranchingSolver not supported anymore"
+#ifndef BonCurvBranchingSolver_H
+#define BonCurvBranchingSolver_H
+
+#include "BonStrongBranchingSolver.hpp"
+#include "BonCurvatureEstimator.hpp"
+
+namespace Bonmin
+{
+
+  /** Implementation of BonChooseVariable for curvature-based braching.
+  */
+
+  class CurvBranchingSolver : public StrongBranchingSolver
+  {
+
+  public:
+
+    /// Constructor from solver (so we can set up arrays etc)
+    CurvBranchingSolver (OsiTMINLPInterface * solver);
+
+    /// Copy constructor
+    CurvBranchingSolver (const CurvBranchingSolver &);
+
+    /// Assignment operator
+    CurvBranchingSolver & operator= (const CurvBranchingSolver& rhs);
+
+    /// Destructor
+    virtual ~CurvBranchingSolver ();
+
+    /// 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);
+
+  private:
+    /// Default Constructor
+    CurvBranchingSolver ();
+
+    SmartPtr<CurvatureEstimator> cur_estimator_;
+
+    /** @name Stuff for the curvature estimator */
+    //@{
+    bool new_bounds_;
+    bool new_x_;
+    bool new_mults_;
+    double* orig_d_;
+    double* projected_d_;
+    Number* x_l_orig_;
+    Number* x_u_orig_;
+    Number* g_l_orig_;
+    Number* g_u_orig_;
+    //@}
+
+    /** @name Information about the problem */
+    //@{
+    int numCols_;
+    int numRows_;
+    const double* solution_;
+    const double* duals_;
+    double obj_value_;
+    //@}
+
+  };
+
+}
+
+#endif