added Verlet scheme and NxN non-bonded functionality

[alexxy/gromacs.git] / include / types / graph.h

diff --git a/include/types/graph.h b/include/types/graph.h
index 5d80ee4a60420b13fd7403bbd25ccf6588b54dd0..24ecf8e2f1fa81c0e13f0a4949fdfc2dd32cdcc5 100644 (file)
--- a/include/types/graph.h
+++ b/include/types/graph.h
@@ -33,6 +33,9 @@
  * GRoups of Organic Molecules in ACtion for Science
  */
 
+#ifndef _types_graph_h
+#define _types_graph_h
+
 #include "idef.h"
 
 #ifdef __cplusplus
@@ -63,3 +66,4 @@ typedef struct {
 }
 #endif
 
+#endif /* _types_graph_h */