--- trunk/OOPSE/libmdtools/ShakeMin.hpp	2004/06/03 21:51:55	1232
+++ trunk/OOPSE/libmdtools/ShakeMin.hpp	2004/06/04 19:30:05	1248
@@ -93,12 +93,14 @@ class ShakeMinFramework : public ConsAlgoFramework{
       delete sfAlgo;
     }
     
-    void doShakeR(){
+    int doShakeR(){
       srAlgo->doConstrain();
+      return srAlgo->haveError()? -1 : 1;
     }
     
-   void doShakeF(){
+   int doShakeF(){
       sfAlgo->doConstrain();
+      return sfAlgo->haveError()? -1 : 1;
    }
   private:
     ShakeMinR* srAlgo;