Function coco_problem_get_largest_fvalues_of_interest 

pub unsafe extern "C" fn coco_problem_get_largest_fvalues_of_interest(
    problem: *const coco_problem_t,
) -> *const f64

@brief For multi-objective problems, returns a vector of largest values of interest in each objective. Currently, this equals the nadir point. For single-objective problems it raises an error.