def get_cl(a):
    """Return GPUArray from GPU memory as NumPy array.

    Parameters
    ----------
    a : gpuarray
        Data on the GPU memory to retrieve.

    Returns
    -------
    array
        The GPUArray returned to RAM as a NumPy array.

    Examples
    --------
    >>> a = give_cl([1, 2, 3])
    >>> b = get_cl(a)
    [ 1.,  2.,  3.]

    >>> type(b)
    <class 'numpy.ndarray'>
    """
    return a.get()
