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

[simgrid.git] / src / smpi / smpirun.in

diff --git a/src/smpi/smpirun.in b/src/smpi/smpirun.in
index 8fdc7da..9dfb521 100755 (executable)
--- 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