added guards to dhrg.h

2022-11-04 23:53:13 +01:00 · 2022-11-04 23:53:13 +01:00 · 1cbaf36698
parent ba009a80b2
commit 1cbaf36698
1 changed files with 3 additions and 2 deletions
--- a/rogueviz/dhrg/dhrg.h
+++ b/rogueviz/dhrg/dhrg.h
@ -1,3 +1,5 @@
+#ifndef _DHRG_H_
+#define _DHRG_H_
 #define DHRGVER "7.1"
 #include "../rogueviz.h"

@ -72,5 +74,4 @@ void prepare_pairs(int N, const neighborhoodfun& nei);
 void greedy_routing(iddata& d, const distfun& distance_function);

 }
-
-
+#endif