Changeset 1695 for trunk

Timestamp:

Jul 20, 2011 2:48:52 AM (8 years ago)

Author:

forrest

Message:

no preprocessing if odd variables

File:

• trunk/Cbc/src/CbcSolver.cpp (modified) (1 diff)

trunk/Cbc/src/CbcSolver.cpp

@@ -3580 +3580 @@
 #endif
                             }
+                            if (preProcess && type == CBC_PARAM_ACTION_BAB) {
+                              // see whether to switch off preprocessing
+                              // only allow SOS and integer
+                              OsiObject ** objects = babModel_->objects();
+                              int numberObjects = babModel_->numberObjects();
+                              for (int iObj = 0; iObj < numberObjects; iObj++) {
+                                CbcSOS * objSOS =
+                                  dynamic_cast <CbcSOS *>(objects[iObj]) ;
+                                CbcSimpleInteger * objSimpleInteger =
+                                  dynamic_cast <CbcSimpleInteger *>(objects[iObj]) ;
+                                if (!objSimpleInteger&&!objSOS) {
+                                  preProcess=0;
+                                  break;
+                                }
+                              }
+                            }
                             if (type == CBC_PARAM_ACTION_BAB) {
                                 double limit;