Eddie - 2017-03-09

Hi all!
I have a programm to Adnroid where i use JTransform.
I have a one double array with comlex signal.
D[i*2]=Re
D[i*2+1]=Im
I create DoubleFFT_1D fftDo = new DoubleFFT_1D(D.length);
And caluclate fft fftDo.compexForward(D);
But after that i have only one constant to all out array?
How i can make complex to complex fft?