1 files changed, 1 insertions, 0 deletions
diff --git a/fns.h b/fns.h
index 59b80e8..e8d026d 100644
--- a/fns.h
+++ b/fns.h
@@ -11,6 +11,7 @@ void *erealloc(void*, ulong);
  * physics
  */
 void integrate(GameState*, double, double);
+void integrateu(Universe*, double, double);
 
 /*
  * nanosec