find_surrogate_split_cat  725 apps/traincascade/old_ml_boost.cpp CvBoostTree::find_surrogate_split_cat( CvDTreeNode* node, int vi, uchar* _ext_buf )
find_surrogate_split_cat 2651 apps/traincascade/old_ml_tree.cpp CvDTreeSplit* CvDTree::find_surrogate_split_cat( CvDTreeNode* node, int vi, uchar* _ext_buf )