initialize(dealii::MatrixFree< dim, Number > const &matrix_free_in, unsigned int const dof_index_all_in, unsigned int const dof_index_vector_in, unsigned int const dof_index_scalar_in, unsigned int const quad_index_in, double const heat_capacity_ratio_in, double const specific_gas_constant_in) (defined in ExaDG::CompNS::p_u_T_Calculator< dim, Number >)