geohash.go
func DecodeIntWithPrecision(hash uint64, bits uint) (lat, lng float64) {
	box := BoundingBoxIntWithPrecision(hash, bits)
	return box.Round()
}
func DecodeIntWithPrecision(hash uint64, bits uint) (lat, lng float64) {
	box := BoundingBoxIntWithPrecision(hash, bits)
	return box.Round()
}
// DecodeIntWithPrecision decodes the provided integer geohash with bits of
// precision to a (lat, lng) point.