add assertation

shogun-toolbox · Jul 26, 2016 · 27cc30e · 27cc30e
1 parent 8803679
commit 27cc30e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/shogun/multiclass/tree/CHAIDTree.cpp b/src/shogun/multiclass/tree/CHAIDTree.cpp
@@ -677,6 +677,7 @@ CLabels* CCHAIDTree::apply_tree(CFeatures* data)
 
 CLabels* CCHAIDTree::apply_from_current_node(SGMatrix<float64_t> fmat, node_t* current)
 {
+	REQUIRE(current != NULL, "The tree cannot be empty.\n");
 	int32_t num_vecs=fmat.num_cols;
 
 	SGVector<float64_t> labels(num_vecs);