add virtual dtor

yeatech · Nov 8, 2018 · 90bcbc9 · 90bcbc9
1 parent 4c9f252
commit 90bcbc9
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/ql/models/calibrationhelper.hpp b/ql/models/calibrationhelper.hpp
@@ -38,6 +38,7 @@ namespace QuantLib {
     //! abstract base class for calibration helpers
     class CalibrationHelperBase {
       public:
+        virtual ~CalibrationHelperBase() {}
         //! returns the error resulting from the model valuation
         virtual Real calibrationError() = 0;
     };