def METHOD_NAME(self, states, out):
    # !!! WARNING
    # See note above in numbers_to_states
    n = self.physical.size
    dim = self.physical.n_states
    self.physical.METHOD_NAME(states[:, 0:n], out=out)
    _out_l = out * dim
    self.physical.METHOD_NAME(states[:, n : 2 * n], out=out)
    out += _out_l
    return out