040000 tree 83444c025d72111e266d43d14cce84e9ff77ff29	algorithms
100644 blob 6b1e2c65790626c0979e8ce10380d1a7594e8c18	lit.local.cfg
040000 tree f6681b65a98c15ec718dadd9a627c595dc2c8b63	numerics
040000 tree 02f91f609f9f2768d108b08da0f1ff35a5d5d60f	utilities