public class EquationThingy
{

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args)
    {
        //double y;
        int r = 6371;
        //testing iris equation

        //creating an array to store the lad + long data of each location
        //toronto beijing, manilla cood
        //postives  north and east
        double cood[][] =
        {
            {
                43.6532, -79.3832
            },
            {
                39.9042, 116.4074
            },
            {
                14.5995, 120.9842
            }
        };
        //using a loop that will loop until it gives a final answer.

        /*while (true)
        {

            for (int i = 0; i < 3; i++)
            {
                //converting the current coorindates into x y z

                //calculate the x y and z
                x = r * Math.cos(cood[i][0]) * Math.cos(cood[i][1]);
                y = r * Math.cos(cood[i][0]) * Math.sin(cood[i][1]);
                z = r * Math.sin(cood[i][0]);

                //this is the equation to get a value for y
                yans += Math.sqrt(Math.pow((x - fx), 2) + Math.pow((y - fy), 2) + Math.pow((z - fz), 2));
            }
            //increment the x y z
            fx -= 1;
            fy -= 1;
            fz -= 1;

            System.out.println(yans);
        }*/

        double a1, a2, a3;
        double x = 10000d, y = 10000d, z = 10000d;
        double answer = 0.0d;

        // loop until yans is as close to zero as we can get it
        while (true)
        {
            double tempAnswer = 0.0d;

            for (int i = 0; i < 3; i++)
            {
                //converting the current coorindates into x y z

                //calculate the x y and z
                a1 = r * Math.cos(cood[i][0]) * Math.cos(cood[i][1]);
                a2 = r * Math.cos(cood[i][0]) * Math.sin(cood[i][1]);
                a3 = r * Math.sin(cood[i][0]);

                //this is the equation to get a value for y
                tempAnswer += Math.sqrt(Math.pow((a1 - x), 2) + Math.pow((a2 - y), 2) + Math.pow((a3 - z), 2));
            }

            if (tempAnswer <= 0)
            {
                break;
            }
            else
            {
                answer = tempAnswer;

                // decrement x / y / z
                x--;
                y--;
                z--;
            }
        }

        System.out.printf("answer = %d, x = %d, y = %d, z = %d\n", answer, x, y, z);

    }
}