/usr/include/cppad/deprecated/ is in cppad 2017.00.00.4-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/cppad/deprecated/check_numeric_type.hpp
/usr/include/cppad/deprecated/check_simple_vector.hpp
/usr/include/cppad/deprecated/elapsed_seconds.hpp
/usr/include/cppad/deprecated/error_handler.hpp
/usr/include/cppad/deprecated/index_sort.hpp
/usr/include/cppad/deprecated/lu_factor.hpp
/usr/include/cppad/deprecated/lu_invert.hpp
/usr/include/cppad/deprecated/lu_solve.hpp
/usr/include/cppad/deprecated/memory_leak.hpp
/usr/include/cppad/deprecated/nan.hpp
/usr/include/cppad/deprecated/near_equal.hpp
/usr/include/cppad/deprecated/ode_err_control.hpp
/usr/include/cppad/deprecated/ode_gear.hpp
/usr/include/cppad/deprecated/ode_gear_control.hpp
/usr/include/cppad/deprecated/omp_alloc.hpp
/usr/include/cppad/deprecated/poly.hpp
/usr/include/cppad/deprecated/pow_int.hpp
/usr/include/cppad/deprecated/romberg_mul.hpp
/usr/include/cppad/deprecated/romberg_one.hpp
/usr/include/cppad/deprecated/rosen_34.hpp
/usr/include/cppad/deprecated/runge_45.hpp
/usr/include/cppad/deprecated/speed_test.hpp
/usr/include/cppad/deprecated/thread_alloc.hpp
/usr/include/cppad/deprecated/time_test.hpp
/usr/include/cppad/deprecated/track_new_del.hpp
/usr/include/cppad/deprecated/vector.hpp