cbcintlinprog added

1 files changed, 98 insertions, 0 deletions

diff --git a/thirdparty/linux/include/coin/BonCbcNlpStrategy.hpp b/thirdparty/linux/include/coin/BonCbcNlpStrategy.hpp
new file mode 100644
index 0000000..b642ad0
--- /dev/null
+++ b/thirdparty/linux/include/coin/BonCbcNlpStrategy.hpp
@@ -0,0 +1,98 @@
+// (C) Copyright International Business Machines Corporation and Carnegie Mellon University 2006
+// All Rights Reserved.
+// This code is published under the Eclipse Public License.
+//
+// Authors :
+// John J. Forrest, International Business Machines Corporation
+// Pierre Bonami, Carnegie Mellon University,
+//
+// Date : 03/15/2006
+
+#ifndef BonCbcNlpStrategy_H
+#define BonCbcNlpStrategy_H
+
+#include "CbcStrategy.hpp"
+class CglPreProcess;
+class CbcNodeInfo;
+class CbcNode;
+class CoinWarmStartDiff;
+
+
+namespace Bonmin
+{
+  class CbcNlpStrategy : public CbcStrategy
+  {
+  public:
+
+    // Default Constructor
+    CbcNlpStrategy (int maxFailures,
+        int maxInfeasibles,
+        int pretendFailIsInfeasible);
+
+    // Copy constructor
+    CbcNlpStrategy ( const CbcNlpStrategy &);
+
+    // Destructor
+    virtual ~CbcNlpStrategy ();
+
+    /// Clone
+    virtual CbcStrategy * clone() const;
+
+    /// Return a new Full node information pointer (descendant of CbcFullNodeInfo)
+    virtual CbcNodeInfo * fullNodeInfo(CbcModel * model,int numberRowsAtContinuous) const;
+    /// Return a new Partial node information pointer (descendant of CbcPartialNodeInfo)
+    virtual CbcNodeInfo * partialNodeInfo(CbcModel * model, CbcNodeInfo * parent, CbcNode * owner,
+        int numberChangedBounds,const int * variables,
+        const double * boundChanges,
+        const CoinWarmStartDiff *basisDiff) const;
+    /** After a CbcModel::resolve this can return a status
+        -1 no effect
+        0 treat as optimal
+        1 as 0 but do not do any more resolves (i.e. no more cuts)
+        2 treat as infeasible
+    */
+    virtual int status(CbcModel * model, CbcNodeInfo * parent, int whereFrom);
+    /// set maximum number of consecutive failures in a branch before giving up
+    inline void setMaxFailure(int value)
+    {
+      maxFailure_ = value;
+    }
+    /// maximum number of consecutive infeasible nodes before giving up
+    inline void setMaxInfeasible(int value)
+    {
+      maxInfeasible_ = value;
+    }
+
+    /// Setup cut generators
+    virtual void setupCutGenerators(CbcModel & model);
+    /// Setup heuristics
+    virtual void setupHeuristics(CbcModel & model);
+    /// Do printing stuff
+    virtual void setupPrinting(CbcModel & model,int modelLogLevel);
+    /// Other stuff e.g. strong branching and preprocessing
+    virtual void setupOther(CbcModel & model);
+
+    bool hasFailed()
+    {
+      return hasFailed_;
+    }
+  protected:
+    // Data
+    /// did we fail?
+    bool hasFailed_;
+    /// maximum number of consecutive failures in a branch before giving up
+    int maxFailure_;
+    /// maximum number of consecutive infeasible nodes before giving up
+    int maxInfeasible_;
+    /** If yes when a problem is not solved (failed to be solved)
+        will pretend that it is infeasible. */
+    int pretendFailIsInfeasible_;
+
+  private:
+    /// Illegal Assignment operator
+    CbcNlpStrategy & operator=(const CbcNlpStrategy& rhs);
+
+  };
+}
+
+#endif