[1, -1]~
[2, 0]
[2, 2]
[1, I, -1, -I]~
[2 + I, -I, -I, 2 + I]
[4, 4*I, 0, 4]
[1, -I, -1, I]~
[2 + I, 2 + I, -I, -I]
[4, 4*I, 0, 4]
-97
1
1
  ***   at top-level: fft(rootsof1(3),x^2+x+1)
  ***                 ^------------------------
  *** fft: inconsistent dimensions in fft.
  ***   at top-level: fftinv(rootsof1(3),x^2+x+1)
  ***                 ^---------------------------
  *** fftinv: inconsistent dimensions in fft.
Total time spent: 52
