registerFunction("Salomon", 10, MAX_DIMENSION, STATIC_BLIMIT(-100.0, 100.0), EVAL {
        double m = 0.0;
        for (int i = 0; i < n; i++) {
            m += square(x[i]);
        }
        double v = sqrt(m);
        return 1 - cos(2 * PI * v) + 0.1 * v;
    }, DERIV {
        double m = 0.0;
        for (int i = 0; i < n; i++) {
            m += square(x[i]);
        }
        double v = sqrt(m);
        if (v == 0) {
            for (int i = 0; i < n; i++) {
                res[i] = NAN;
            }
        } else {
            for(int i = 0; i < n; i++) {
                res[i] = sin(2 * PI * v) * 2 * PI / v * 2 * x[i] + 0.1 / v * 2 * x[i];
            }
        }
    })->rootsFunction = [](int n) {
        return singletonVector<FP_T *>(filledVector(n, 0.0));
    };