cadencii.fft.bitrv208 C# (CSharp) Method

        static void bitrv208( double* a ) {
            double x1r, x1i, x3r, x3i, x4r, x4i, x6r, x6i;

            x1r = a[2];
            x1i = a[3];
            x3r = a[6];
            x3i = a[7];
            x4r = a[8];
            x4i = a[9];
            x6r = a[12];
            x6i = a[13];
            a[2] = x4r;
            a[3] = x4i;
            a[6] = x6r;
            a[7] = x6i;
            a[8] = x1r;
            a[9] = x1i;
            a[12] = x3r;
            a[13] = x3i;
        }