import java.io.*;

public class Test
{

	public static void main(String[] args) throws IOException
	{
		RefString current, success, complex;
	
		current = new RefString();
		success = new RefString();
		complex = new RefString();
		
		String expression = "cos(2*pi)";
		String expression2 = "(x^3+2*x+2";
		String expression3 = "sqrt(-1)";
			
		System.out.println();		
System.out.println(expression+ " =  "+EvaluateExpr.Evaluate(expression,0,0,current,success,complex));
		System.out.println("current = "+current.getRefString());
		System.out.println("success = "+ success.getRefString());
		System.out.println("complex = "+ complex.getRefString());

		System.out.println();		
System.out.println(expression2+ " =  "+EvaluateExpr.Evaluate(expression2,2,0,current,success,complex));
		System.out.println("current = "+current.getRefString());
		System.out.println("success = "+ success.getRefString());
		System.out.println("complex = "+ complex.getRefString());

		System.out.println();		
System.out.println(expression3+ " =  "+EvaluateExpr.Evaluate(expression3,2,0,current,success,complex));
		System.out.println("current = "+current.getRefString());
		System.out.println("success = "+ success.getRefString());
		System.out.println("complex = "+ complex.getRefString());

	}

}