package net.sven_eisenhauer.swa_prakt1;

public class ArithmeticRunner {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		ArithmeticVariable a = new ArithmeticVariable("a", 2);
		ArithmeticVariable b = new ArithmeticVariable("b", 77);
		ArithmeticVariable c = new ArithmeticVariable("c", 0.1);
		ArithmeticVariable d = new ArithmeticVariable("d", 0.00003);
		
		ArithmeticExpression aAddb = new ArithmeticAddition(a,b);
		ArithmeticExpression aSubc = new ArithmeticSubstraction(a,c);
		ArithmeticExpression bMuld = new ArithmeticMultiplication(b, d);
		
		ArithmeticExpression ae1 = new ArithmeticMultiplication(aAddb, aSubc);
		ArithmeticExpression ae2 = new ArithmeticSubstraction(bMuld, a);
		
		ArithmeticExpression root = new ArithmeticAddition(ae1, ae2);
		/*
		try {
			root.print();
			System.out.println("\nResult: "+root.evaluate());
		} catch (Throwable t) {
			t.printStackTrace();
		}
		*/
		try {/*
			ArithmeticIterator iter = new ExpressionIterator(root);
			iter.print();
			System.out.println("\n");
			iter = new ExpressionIterator(root);
			System.out.println("\nEvaluate: "+iter.evaluate()+"\n");
			*/
			new PrintIter().traverse(root);
			System.out.println("\n"+new EvalIter().traverse(root));
		} catch (Throwable t) {
			t.printStackTrace();
		}
	}

}