package hr.fer.oop.lab1.prob2;
import java.lang.Math;

public class Roots {

	public static void main(String[] args) {
		if(args.length!=3) System.out.println("Invalid number of arguments!");
		else if(Integer.parseInt(args[2])>1){
			calculateRoots(Double.parseDouble(args[0]),Double.parseDouble(args[1]), Integer.parseInt(args[2]));
		}else{
			System.out.println("Invalid argument! Root must be larger than 1!");
		}
	}



	public static void calculateRoots(double real, double complex, int root){
		System.out.printf("You requested calculation of %d roots. Solutions are:\n", root);
		for(int i=0; i<root; i++){
			Math.cos((2*Math.PI*i)/root);
			System.out.printf("%d) %.2f %s %.2fi\n", i, Math.cos((2*Math.PI*i)/root) , ( Math.sin((2*Math.PI*i)/root)  > 0 ) ? "+":"-" , Math.abs( Math.sin((2*Math.PI*i)/root))  );

		}

	}




}