move fft routines to helper_fft.py

skuschel / postpic

The open-source particle-in-cell post-processor.

GNU General Public License v3.0

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move fft routines to helper_fft.py #249

Closed skuschel closed 5 years ago

skuschel commented 5 years ago

Hey @Ablinne I have moved the fft routines to helper_fft.py to separate them better from the rest of postpic. I need them in a separate place to use them as part of the fbpic reader for the modeexpansion you suggested. Cheers Stephan