diff -r aa47abb9e723 -r c8fcc0e0a57f marking1/collatz_test.sh
--- a/marking1/collatz_test.sh	Sat Aug 29 16:05:59 2020 +0100
+++ b/marking1/collatz_test.sh	Tue Oct 13 10:21:21 2020 +0100
@@ -88,7 +88,7 @@
   if (scala_assert "collatz.scala" "collatz_test1.scala")
   then
       echo "  --> success" | tee -a $out
-      marks=$(( marks + 2 ))
+      marks=$(( marks + 1 ))
   else
     echo "  --> one of the tests failed" | tee -a $out
   fi
@@ -117,11 +117,28 @@
   fi
 fi
 
+### last-odd tests
+
+if [ $tsts -eq 0 ]
+then
+  echo "  last_odd(113) == 85" | tee -a $out
+  echo "  last_odd(84) == 21" | tee -a $out
+  echo "  last_odd(605) == 341" | tee -a $out
+
+  if (scala_assert "collatz.scala" "collatz_test3.scala") 
+  then
+      echo "  --> success" | tee -a $out
+      marks=$(( marks + 1 ))
+  else
+    echo "  --> one of the tests failed" | tee -a $out
+  fi
+fi
+
 
 
 ## final marks
 echo >> $out
-echo "Overall mark for the Basic Part" | tee -a $out
+echo "Overall mark for the Preliminary Part" | tee -a $out
 echo " $marks" | tee -a $out