/usr/include/ql/math/randomnumbers/ is in libquantlib0-dev 1.7.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/ql/math/randomnumbers/all.hpp
/usr/include/ql/math/randomnumbers/boxmullergaussianrng.hpp
/usr/include/ql/math/randomnumbers/centrallimitgaussianrng.hpp
/usr/include/ql/math/randomnumbers/faurersg.hpp
/usr/include/ql/math/randomnumbers/haltonrsg.hpp
/usr/include/ql/math/randomnumbers/inversecumulativerng.hpp
/usr/include/ql/math/randomnumbers/inversecumulativersg.hpp
/usr/include/ql/math/randomnumbers/knuthuniformrng.hpp
/usr/include/ql/math/randomnumbers/latticersg.hpp
/usr/include/ql/math/randomnumbers/latticerules.hpp
/usr/include/ql/math/randomnumbers/lecuyeruniformrng.hpp
/usr/include/ql/math/randomnumbers/mt19937uniformrng.hpp
/usr/include/ql/math/randomnumbers/primitivepolynomials.hpp
/usr/include/ql/math/randomnumbers/randomizedlds.hpp
/usr/include/ql/math/randomnumbers/randomsequencegenerator.hpp
/usr/include/ql/math/randomnumbers/ranluxuniformrng.hpp
/usr/include/ql/math/randomnumbers/rngtraits.hpp
/usr/include/ql/math/randomnumbers/seedgenerator.hpp
/usr/include/ql/math/randomnumbers/sobolbrownianbridgersg.hpp
/usr/include/ql/math/randomnumbers/sobolrsg.hpp