void set_data_model(const cbl::cosmology::Cosmology cosmology={}, const double redshift=0., const std::string method_Pk="CAMB", const double sigmaNL=0, const bool NL=true, const int FV=0, const bool store_output=true, const std::string output_root="test", const bool bias_nl=false, const double bA=-1., const bool xiType=false, const double k_star=-1., const bool xiNL=false, const double v_min=-5000., const double v_max=5000., const int step_v=500, const int norm=-1, const double r_min=0.1, const double r_max=150., const double k_min=0., const double k_max=100., const int step=200, const double aa=0., const bool GSL=true, const double prec=1.e-2, const std::string file_par=par::defaultString)
set the parameters for the computation of the dark matter two-point correlation function