package com.droideve.apps.dealify.location;


public class Position {

    public Position() {

    }

    public double distance(double lat1, double lon1, double lat2, double lon2) {


        double theta = lon1 - lon2;
        double dist = Math.sin(deg2rad(lat1)) * Math.sin(deg2rad(lat2)) + Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) * Math.cos(deg2rad(theta));
        dist = Math.acos(dist);
        dist = rad2deg(dist);
        dist = dist * 60 * 1.1515;
        dist = (dist * 1.609344) * 1000;

        return (dist);
    }

    public double deg2rad(double deg) {
        return (deg * Math.PI / 180.0);
    }

    public double rad2deg(double rad) {
        return (rad * 180.0 / Math.PI);
    }

}
