From d5b8b753139345ab7b8675f2753bb1285981489e Mon Sep 17 00:00:00 2001
From: sjplimp <sjplimp@f3b2605a-c512-4ea7-a41b-209d697bcdaa>
Date: Wed, 13 Jun 2012 14:04:02 +0000
Subject: [PATCH] git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@8269
 f3b2605a-c512-4ea7-a41b-209d697bcdaa

---
 src/variable.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/variable.cpp b/src/variable.cpp
index 82b3276504..839f6dd093 100644
--- a/src/variable.cpp
+++ b/src/variable.cpp
@@ -164,7 +164,8 @@ void Variable::set(int narg, char **arg)
     } else if (narg == 4 || (narg == 5 && strcmp(arg[4],"pad") == 0)) {
       nfirst = atoi(arg[2]);
       nlast = atoi(arg[3]);
-      if (nfirst > nlast || nlast <= 0) error->all(FLERR,"Illegal variable command");
+      if (nfirst > nlast || nlast < 0) 
+        error->all(FLERR,"Illegal variable command");
       if (narg == 5 && strcmp(arg[4],"pad") == 0) {
         char digits[12];
         sprintf(digits,"%d",nlast);