docs: public double f(double[] x) {
  
      double result = 0.0;
  
      Benchmark.shift(m_z, x, m_o);
      Benchmark.xA(m_zM, m_z, m_matrix);
  
      result = Benchmark.weierstrass(m_zM);
  
      result += mBias;
  
      return (result);
    }