u_previous        287 old_code/tumor_growth/tumor_growth.h 			       const Scalar_discrete_function& u_previous,
u_previous        289 old_code/tumor_growth/tumor_growth.h       : model (model_input), u_approx (u_previous), bdf_factor {bdf_alpha_lead_coeff}
u_previous        334 old_code/tumor_growth/tumor_growth.h 			      const FE_function& u_previous,
u_previous        337 old_code/tumor_growth/tumor_growth.h       : model (model_input), u_approx (u_previous), u_or_w_approx (u_or_w_previous),