040000 tree 252436927d5383d20ee1898335de346d0cc434ac	algorithms
100644 blob 6b1e2c65790626c0979e8ce10380d1a7594e8c18	lit.local.cfg
040000 tree b3b70c6c1473bddf9189e0f8fb96b59152f36b1c	numerics
040000 tree 6296e8ad6e1c27e7c27d704ad2a70ea6dfafca10	utilities