added functionality

mlmc/src/estimators/Estimator.hpp

@@ -5,6 +5,7 @@
 
 #include "Errors.hpp"
 
+
 struct Exponents;
 
 class Estimator {
@@ -16,16 +17,17 @@ protected:
 public:
   WelfordAggregate aggregate;
 
-  Estimator() {
-    config.get("epsilon", epsilon);
-  }
+  Estimator() { config.get("epsilon", epsilon); }
+
+  double TotalError() const { return errors.total; }
+
+  double NumericError() const { return errors.numeric; }
 
-  virtual double TotalError() const {
-    return 0.0;
-  }
+  double StochasticError() const { return errors.stochastic; }
 
   double Epsilon() const { return epsilon; }
 
+
   virtual void Method() {};
 
   virtual std::string Name() const { return "Estimator"; };
@@ -35,7 +37,6 @@ public:
   virtual void MultilevelResults() const {};
 
   virtual void ExponentResults() const {};
-
 };
 
 #endif //ESTIMATOR_HPP