Explicit mc setSettings methods ignore settings if null.

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@4942 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/explicit/ProbModelChecker.java

@@ -142,6 +142,9 @@ public class ProbModelChecker extends StateModelChecker
 	 */
 	public void setSettings(PrismSettings settings) throws PrismException
 	{
+		if (settings == null)
+			return;
+		
 		String s;
 		// PRISM_LIN_EQ_METHOD
 		s = settings.getString(PrismSettings.PRISM_LIN_EQ_METHOD);

prism/src/explicit/StateModelChecker.java

@@ -138,6 +138,9 @@ public class StateModelChecker
 	 */
 	public void setSettings(PrismSettings settings) throws PrismException
 	{
+		if (settings == null)
+			return;
+		
 		verbosity = settings.getBoolean(PrismSettings.PRISM_VERBOSE) ? 10 : 1;
 	}