public override void AddVectorToScaledVector(double[] y, double alpha, double[] x, double[] result) { if (y == null) { throw new ArgumentNullException("y"); } if (x == null) { throw new ArgumentNullException("x"); } if (y.Length != x.Length) { throw new ArgumentException(Resources.ArgumentVectorsSameLength); } if (!ReferenceEquals(y, result)) { Array.Copy(y, 0, result, 0, y.Length); } if (alpha == 0.0) { return; } SafeNativeMethods.d_axpy(y.Length, alpha, x, result); }