Encog.MathUtil.LIBSVM.Kernel.swap_index C# (CSharp) Method

        internal virtual void swap_index(int i, int j)
        {
            do
            {
                svm_node[] _ = x[i];
                x[i] = x[j];
                x[j] = _;
            } while (false);
            if (x_square != null)
                do
                {
                    double _ = x_square[i];
                    x_square[i] = x_square[j];
                    x_square[j] = _;
                } while (false);
        }