fixed call of inherited function and

short curcuiting problem. Maybe && is overloaded somewhere?

src/storm/solver/GmmxxMultiplier.cpp

@@ -221,7 +221,7 @@ namespace storm {
                             oldSelectedChoiceValue = newValue;
                         }
 
-                        if(isOverridden(currentRowGroup) ? !compare(newValue, currentValue) : compare(newValue, currentValue)) {
+                        if(this->isOverridden(currentRowGroup) ? !compare(newValue, currentValue) : compare(newValue, currentValue)) {
                             currentValue = newValue;
                             if (choices) {
                                 selectedChoice = currentRow - *row_group_it;
@@ -241,10 +241,12 @@ namespace storm {
 
                     // Finally write value to target vector.
                     *target_it = currentValue;
-                    if(choices && isOverridden(currentRowGroup) ? !compare(currentValue, oldSelectedChoiceValue) : compare(currentValue, oldSelectedChoiceValue) ) {
+                    if(choices) {
+                        if(this->isOverridden(currentRowGroup) ? !compare(currentValue, oldSelectedChoiceValue) : compare(currentValue, oldSelectedChoiceValue) ) {
                             *choice_it = selectedChoice;
                         }
                     }
+                }
 
                 // move rowGroup-based iterators to the next row group
                 if (backwards) {