Changeset 1460:7c58aabb9eea in lemon-0.x for lemon/lp_cplex.cc

Timestamp:

06/09/05 17:03:58 (20 years ago)

Author:

athos

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1940

Message:

I could not check, because: aclocal-1.7: command not found

File:

• lemon/lp_cplex.cc (modified) (2 diffs)

lemon/lp_cplex.cc

@@ -261 +261 @@
   }
 
+  LpCplex::Value LpCplex::_getPrimal(int i)
+  {
+    Value x;
+    CPXgetx (env, lp, &x, i, i);
+    return x;
+  }
+  
+  LpCplex::Value LpCplex::_getPrimalValue()
+  {
+    Value objval;
+    //method = CPXgetmethod (env, lp);
+    status = CPXgetobjval (env, lp, &objval);
+    return objval;
+  }
+  
 
 //7.5-os cplex statusai (Vigyazat: a 9.0-asei masok!)
@@ -378 +393 @@
     }
 
-  LpCplex::Value LpCplex::_getPrimal(int i)
-  {
-    Value x;
-    CPXgetx (env, lp, &x, i, i);
-    return x;
-  }
-  
-  LpCplex::Value LpCplex::_getPrimalValue()
-  {
-    Value objval;
-    //method = CPXgetmethod (env, lp);
-    status = CPXgetobjval (env, lp, &objval);
-    return objval;
-  }
-  
  
+  LpCplex::ProblemTypes LpCplex::_getProblemType()
+  {
+    int stat = CPXgetstat (env, lp);
+    switch (stat) {
+    case CPX_OPTIMAL://Optimal
+        return PRIMAL_DUAL_FEASIBLE;
+    case CPX_UNBOUNDED:
+        return PRIMAL_FEASIBLE_DUAL_INFEASIBLE;
+//      return PRIMAL_INFEASIBLE_DUAL_FEASIBLE;
+//      return PRIMAL_DUAL_INFEASIBLE;
+
+//Seems to be that this is all we can say for sure
+    default:
+        //In all other cases
+        return UNKNOWN;
+      //FIXME error
+    }