040000 tree 12f089fb907221f4d1aca24a902115afbc1dd0cb	algorithms
100644 blob 6b1e2c65790626c0979e8ce10380d1a7594e8c18	lit.local.cfg
040000 tree 428337fb64817933eadc1d3a790f04284f2f16a5	numerics
040000 tree 83428f1a36a9c070a744d4e20f127e9111d6c363	utilities