def METHOD_NAME(file_name):
    """read sinogram from binary file
    Return sinogram np.array produced by reading an Accuray sinogram
    BIN file with the provided file name.
    Parameters
    ----------
    file_name : str
        long file name of csv file
    Returns
    -------
    sinogram : np.array
    Notes
    -----
    BIN files are sinograms stored in binary format used in
    Tomotherapy calibration plans.
    """
    leaf_open_times = np.fromfile(file_name, dtype=float, count=-1, sep="")
    num_leaves = 64
    num_projections = int(len(leaf_open_times) / num_leaves)
    sinogram = np.reshape(leaf_open_times, (num_projections, num_leaves))
    return sinogram