[c++] virtual destructor for gradient discretizer (#5965)

microsoft · Jul 12, 2023 · 28e0e6f · 28e0e6f
1 parent 7140396
commit 28e0e6f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/treelearner/gradient_discretizer.hpp b/src/treelearner/gradient_discretizer.hpp
@@ -30,7 +30,7 @@ class GradientDiscretizer {
     stochastic_rounding_ = stochastic_rounding;
   }
 
-  ~GradientDiscretizer() {}
+  virtual ~GradientDiscretizer() {}
 
   virtual void DiscretizeGradients(
     const data_size_t num_data,