--- trunk/OOPSE/libmdtools/ConstraintAlgorithm.hpp	2004/06/03 21:51:55	1232
+++ trunk/OOPSE/libmdtools/ConstraintAlgorithm.hpp	2004/06/04 19:30:05	1248
@@ -14,7 +14,12 @@ class SimInfo;
 class DistanceConstraintPair;
 class SimInfo;
 
-enum ConsAlgoStatus{consFail, consSuccess, consAlready, consPairHandlerFail, consElemHandlerFail};
+enum ConsAlgoStatus{
+  consPairHandlerFail = -3,
+  consElemHandlerFail = -2,
+  consFail = -1,
+  consSuccess = 0,
+  consAlready = 1};
 
 ////////////////////////////////////////////////////////////////////////////////
 //Declaration of ConstraintAlgorithm
@@ -33,7 +38,7 @@ class ConstraintAlgorithm{
     int doConstrainPair(ConstraintPair* consPair);
     void registerCallback(const TypeInfo& ti, CallbackFunctor* functor);
     void unRegister(TypeInfo& ti);
-    
+    bool haveError() { return error;}
   protected:
     ConstraintAlgorithm(SimInfo* rhs);
 
@@ -42,6 +47,8 @@ class ConstraintAlgorithm{
     ConstraintElementIterator* ceIter;
 
     map<TypeInfo, CallbackFunctor*> callbackMap;
+
+    bool error;
 };
 
 ////////////////////////////////////////////////////////////////////////////////