From 382edfa5dc55f3cc055b5816ecb6ad1afe6f69b1 Mon Sep 17 00:00:00 2001
From: Martin Quinson <martin.quinson@loria.fr>
Date: Fri, 27 Jun 2014 08:53:09 +0200
Subject: [PATCH 1/1] dividing by 0 is not always the best possible choice,
 even if the user shoulnt give empty hostfiles

---
 src/smpi/smpirun.in | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/smpi/smpirun.in b/src/smpi/smpirun.in
index 8fdc7da7d1..9dfb521d3f 100755
--- a/src/smpi/smpirun.in
+++ b/src/smpi/smpirun.in
@@ -350,7 +350,11 @@ fi
 for i in ${SEQ}
 do
     if [ -n "${HOSTFILE}" ]; then
-	j=$(( $i % ${NUMHOSTS} + 1 ))
+        if [ ${NUMHOSTS} = 0 ] ; then
+	   j= 0
+	else
+	   j=$(( $i % ${NUMHOSTS} + 1 ))
+	fi
     fi
     ##---- optional display of ranks to process mapping
     if [ -n "${MAPOPT}" ]; then
-- 
2.20.1