Merge "LocationFudger: Avoid division by zero" into main

    // requires latitude since longitudinal distances change with distance from equator.

    private static double metersToDegreesLongitude(double distance, double lat) {

        return distance / APPROXIMATE_METERS_PER_DEGREE_AT_EQUATOR / Math.cos(Math.toRadians(lat));

        // Needed to convert from longitude distance to longitude degree.

        // X meters near the poles is more degrees than at the equator.

        double cosLat = Math.cos(Math.toRadians(lat));

        // If we are right on top of the pole, the degree is always 0.

        // We return a very small value instead to avoid divide by zero errors

        // later on.

        if (cosLat == 0.0) {

            return 0.0001;

        }

        return distance / APPROXIMATE_METERS_PER_DEGREE_AT_EQUATOR / cosLat;

    }

}