generate_all_possible_solutions_for_f_unk  373 modules/calib3d/src/upnp.cpp   generate_all_possible_solutions_for_f_unk(x, solutions);
generate_all_possible_solutions_for_f_unk  100 modules/calib3d/src/upnp.h       void generate_all_possible_solutions_for_f_unk(const double betas[5], double solutions[18][3]);