mppovm.py 文件源码

def unpack_samples(self, samples):
        """Unpack samples into several integers per sample

        Inverse of :func:`MPPovm.pack_samples`. Example:

        >>> p = pauli_mpp(nr_sites=2, local_dim=2)
        >>> p.outdims
        (6, 6)
        >>> p.unpack_samples(np.array([0, 6, 7, 12]))
        array([[0, 0],
               [1, 0],
               [1, 1],
               [2, 0]], dtype=uint8)

        """
        assert samples.ndim == 1
        assert all(dim <= 255 for dim in self.outdims)
        return np.array(np.unravel_index(samples, self.nsoutdims)) \
                 .T.astype(np.uint8)