- Fixed energy calculation: if fromUtilization == 0 and toUtilization == 0, it's…

- Fixed energy calculation: if fromUtilization == 0 and toUtilization == 0, it's assumed that the host is switched off and therefore energy is 0.

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerHost.java

@@ -101,6 +101,9 @@ public class PowerHost extends HostDynamicWorkload {
 	 * @return the energy
 	 */
 	public double getEnergyLinearInterpolation(double fromUtilization, double toUtilization, double time) {
+		if (fromUtilization == 0 && toUtilization == 0) {
+			return 0;
+		}
 		double fromPower = getPower(fromUtilization);
 		double toPower = getPower(toUtilization);
 		return (fromPower + (toPower - fromPower) / 2) * time;