public struct GeoCoordinate : IEquatable<GeoCoordinate>
{
    private const float SecondsInDegree = 3600f;

    private readonly float latitude;  // Expressed in seconds of degree, positive values for north
    private readonly float longitude; // Expressed in seconds of degree, positive values for east

    /// <summary>
    /// Initializes a new instance of the <see cref="GeoCoordinate"/> class with the specified latitude and longitude.
    /// </summary>
    /// <param name="latitude">The latitude in degrees.</param>
    /// <param name="longitude">The longitude in degrees.</param>
    public GeoCoordinate(float latitude, float longitude) : this()
    {
        this.latitude = latitude * SecondsInDegree;
        this.longitude = longitude * SecondsInDegree;
    }

    public float Latitude
    {
        get { return latitude; }
    }

    public float Longitude
    {
        get { return longitude; }
    }


    public override bool Equals(object other)
    {
        if (other == null || other.GetType() != typeof(GeoCoordinate)) {
            return false;
        }

        return this.Equals((GeoCoordinate)other);

    }

    public bool Equals(GeoCoordinate other)
    {
        return this.latitude == other.latitude && this.longitude == other.longitude;
    }

    public override int GetHashCode()
    {
        return latitude.GetHashCode() ^ longitude.GetHashCode();
    }

    public static bool operator==(GeoCoordinate lhs, GeoCoordinate rhs)
    {
        return lhs.Equals(rhs);
    }

    public static bool operator!=(GeoCoordinate lhs, GeoCoordinate rhs)
    {
        return !lhs.Equals(rhs);
    }
}