use pyfftw for FFT #363
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use pyfftw for FFT #363
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superbock
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I think it is save to merge, since Travis uses the new pyfftw code, whereas Appveyor doesn't (there were some problems installing pyfftw on Windows). So we have both code paths covered. Probably there's a better way to test both, but I think this suffices for now. |
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Changes proposed in this pull request
Use pyfftw (if available) to compute FFT. Gives up to 40% faster FFT computation.