Code doc.

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@3457 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/simulator/Path.java

@@ -78,6 +78,7 @@ public abstract class Path
 	/**
 	 * For paths with continuous-time info, get the total time elapsed so far
 	 * (where zero time has been spent in the current (final) state).
+	 * For discrete-time models, just returns 0.0.
 	 */
 	public abstract double getTotalTime();
 	

prism/src/simulator/SimulatorEngine.java

@@ -957,6 +957,7 @@ public class SimulatorEngine
 	/**
 	 * For paths with continuous-time info, get the total time elapsed so far
 	 * (where zero time has been spent in the current (final) state).
+	 * For discrete-time models, just returns 0.0.
 	 */
 	public double getTotalTimeForPath()
 	{