chore: import upstream snapshot with attribution

2026-07-13 12:36:30 +08:00
commit 55ab4e4a73
473 changed files with 72932 additions and 0 deletions
@@ -0,0 +1,34 @@
+#pragma once
+
+#include "../../common/common.h"
+
+class NeighborIterator {
+public:
+    NeighborIterator() {
+    }
+    NeighborIterator(adj_attr_dict_factory& neighbor_map) {
+        now = neighbor_map.begin();;
+        end = neighbor_map.end();
+    }
+    node_t next() {
+        if (now == end) {
+            throw -1;
+        }
+        else {
+            return (now++)->first;
+        }
+    }
+private:
+    adj_attr_dict_factory::iterator now, end;
+};
+typedef struct stackNode {
+    node_t grandparent, parent;
+    NeighborIterator neighbors_iter;
+    stackNode(node_t grandparent, node_t parent, NeighborIterator neighbors_iter) {
+        this->grandparent = grandparent;
+        this->parent = parent;
+        this->neighbors_iter = neighbors_iter;
+    }
+}stack_node;
+
+py::object _biconnected_dfs_record_edges(py::object G, py::object need_components);