From 95cfac061dc0205f8710fe08de74f23aed4ce2a0 Mon Sep 17 00:00:00 2001
From: Paul Romano <romano7@gmail.com>
Date: Thu, 19 Jan 2012 23:30:33 -0500
Subject: [PATCH] Fixed bug in neighbor searching.

---
 src/geometry.F90 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/geometry.F90 b/src/geometry.F90
index 31b40045a2..efcfe45ac2 100644
--- a/src/geometry.F90
+++ b/src/geometry.F90
@@ -124,7 +124,9 @@ contains
        ! select cells based on whether we are searching a universe or a provided
        ! list of cells (this would be for lists of neighbor cells)
        if (use_search_cells) then
-          index_cell = search_cells(i) 
+          index_cell = search_cells(i)
+          ! check to make sure search cell is in same universe
+          if (cells(index_cell) % universe /= p % coord % universe) cycle
        else
           index_cell = univ % cells(i)
        end if