From: Martin Quinson <martin.quinson@loria.fr>
Date: Fri, 27 Jun 2014 06:53:09 +0000 (+0200)
Subject: dividing by 0 is not always the best possible choice, even if the user shoulnt give... 
X-Git-Tag: v3_12~963
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/382edfa5dc55f3cc055b5816ecb6ad1afe6f69b1?hp=fc0a76c21f0bceb0314aee5d62f785ea8009495e

dividing by 0 is not always the best possible choice, even if the user shoulnt give empty hostfiles
---

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