outputs of center of mass function and total energy function

src/jat/examples/ThreeBodyExample/ThreeBodyExample.java

@@ -27,6 +27,8 @@ public class ThreeBodyExample {
 		// Class that solves a three body problem and plots it
 		ThreeBodyExample x = new ThreeBodyExample();
 
+		//initialize variables
+		double totalEnergy = 0;
 		// set the final time = one orbit period
 		double tf = 2.0;
 
@@ -46,19 +48,24 @@ public class ThreeBodyExample {
 
 		// set the initial time to zero
 		double t0 = 0.0;
+		// obtain center of mass
+		VectorN cm = sat.center_of_mass(y);
+
+		// obtain current energy
+		totalEnergy = sat.Energy(y);
 
 		// propagate the orbit
 				//FirstOrderIntegrator dp853 = new DormandPrince853Integrator(1.0e-8, 100.0, 1.0e-10, 1.0e-10);
 				//dp853.addStepHandler(sat.stepHandler);
 				// double[] y = new double[] { 7000.0, 0, 0, .0, 8, 0 }; // initial
 				// state
-		//test loop
-
+		//test outputs
 		for (int i = 0; i< derivs.length; i++)
 		{
 			System.out.println(derivs[i]);
 		}
-
+		System.out.println(cm);
+		System.out.println(totalEnergy);
 	}
 
 }