def configuration(parent_package='',top_path=None):
    from numpy.distutils.misc_util import Configuration

    config = Configuration('visualization', parent_package, top_path)

    config.add_subpackage('matrix')
    config.add_subpackage('volume')

    return config

if __name__ == '__main__':
    from numpy.distutils.core import setup
    setup(**configuration(top_path='').todict())