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Use FFTA instead of FFTW#136

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Use FFTA instead of FFTW#136
jusack wants to merge 4 commits into
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JA/switch-to-ffta

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@jusack

@jusack jusack commented Sep 8, 2025

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Limitations:

  • Currently the irfft produces imaginary numbers with a very small imaginary part, we have to ignore that
  • only FFTW provides the DCT, which is used for calib compression
  • two tests currently fail most likely because of increased numeric inaccuracies compared to FFTW

@andreasnoack

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JuliaMath/FFTA.jl#76 probably of interest

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