From f6d74788fa589f5a2bd4c3b8a1697cd0e609c0d3 Mon Sep 17 00:00:00 2001
From: sjplimp <sjplimp@f3b2605a-c512-4ea7-a41b-209d697bcdaa>
Date: Fri, 18 Oct 2013 23:14:05 +0000
Subject: [PATCH] git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@10874
 f3b2605a-c512-4ea7-a41b-209d697bcdaa

---
 src/variable.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/variable.cpp b/src/variable.cpp
index d714e65322..5e13e61dc1 100644
--- a/src/variable.cpp
+++ b/src/variable.cpp
@@ -607,7 +607,7 @@ void Variable::compute_atom(int ivar, int igroup,
     } else {
       int m = 0;
       for (int i = 0; i < nlocal; i++) {
-        if (mask[i] && groupbit) result[m] += eval_tree(tree,i);
+        if (mask[i] & groupbit) result[m] += eval_tree(tree,i);
         m += stride;
       }
     }
@@ -624,7 +624,7 @@ void Variable::compute_atom(int ivar, int igroup,
     } else {
       int m = 0;
       for (int i = 0; i < nlocal; i++) {
-        if (mask[i] && groupbit) result[m] += vstore[i];
+        if (mask[i] & groupbit) result[m] += vstore[i];
         m += stride;
       }
     }