Adds primal/dual row/column solutions to CyCbcModel (close #130)

cylp/cpp/ICbcModel.cpp

@@ -13,6 +13,36 @@ PyObject* ICbcModel::getPrimalVariableSolution(){
     return Arr;
 }
 
+PyObject* ICbcModel::getDualColumnSolution(){
+
+    _import_array();
+    npy_intp dims = this->solver()->getNumCols();
+    double* d = (double*)(this->solver()->getReducedCost());
+    PyObject *Arr = PyArray_SimpleNewFromData( 1, &dims, PyArray_DOUBLE, d );
+
+    return Arr;
+}
+
+PyObject* ICbcModel::getPrimalRowSolution(){
+
+    _import_array();
+    npy_intp dims = this->solver()->getNumRows();
+    double* d = (double*)(this->solver()->getRowActivity());
+    PyObject *Arr = PyArray_SimpleNewFromData( 1, &dims, PyArray_DOUBLE, d );
+
+    return Arr;
+}
+
+PyObject* ICbcModel::getDualRowSolution(){
+
+    _import_array();
+    npy_intp dims = this->solver()->getNumRows();
+    double* d = (double*)(this->solver()->getRowPrice());
+    PyObject *Arr = PyArray_SimpleNewFromData( 1, &dims, PyArray_DOUBLE, d );
+
+    return Arr;
+}
+
 ICbcModel::ICbcModel(OsiClpSolverInterface& osiint):CbcModel(osiint){
     _import_array();
 }

cylp/cpp/ICbcModel.hpp

@@ -31,6 +31,9 @@ class ICbcModel : public CbcModel{
 public:
     ICbcModel(OsiClpSolverInterface&);
     PyObject * getPrimalVariableSolution();
+    PyObject * getPrimalRowSolution();
+    PyObject * getDualColumnSolution();
+    PyObject * getDualRowSolution();
 
     void setNodeCompare(PyObject* obj,
                            runTest_t runTest, runNewSolution_t runNewSolution,