Changeset 1535 for trunk

Timestamp:

Apr 2, 2010 1:13:00 PM (10 years ago)

Author:

forrest

Message:

fix dupcol bug

File:

• trunk/Clp/src/ClpPresolve.cpp (modified) (1 diff)

trunk/Clp/src/ClpPresolve.cpp

@@ -1729 +1729 @@
                     }
                }
-               // now clean up integer variables.  This can modify original
-               int i;
-               const char * information = presolvedModel_->integerInformation();
-               if (information) {
+               /* now clean up integer variables.  This can modify original
+                  Don't do if dupcol added columns together */
+               int i;
+               const char * information = presolvedModel_->integerInformation();
+               if ((prob.presolveOptions_&0x80000000)==0&&information) {
                     int numberChanges = 0;
                     double * lower0 = originalModel_->columnLower();