1 files changed, 18 insertions, 0 deletions
diff --git a/nauty/geng.h b/nauty/geng.h
new file mode 100644
index 0000000..751be5c
--- /dev/null
+++ b/nauty/geng.h
@@ -0,0 +1,18 @@
+#include "gtools.h"
+#include <ucontext.h>
+#include <stdbool.h>
+
+struct geng_iterator
+{
+    ucontext_t geng_worker, geng_user;
+    char geng_stack[1 << 20];
+    int graph_size;
+    bool generation_done;
+    bool iteration_done;
+    int batch_size;
+    int batch_capacity;
+    graph **batch;
+
+    // TODO: remove
+    graph *cur;
+};