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https://issues.apache.org/jira/browse/FLINK-13207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dong Lin closed FLINK-13207.
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Resolution: Won't Do
> Add the algorithm of Fast Fourier Transformation(FFT)
> -----------------------------------------------------
>
> Key: FLINK-13207
> URL: https://issues.apache.org/jira/browse/FLINK-13207
> Project: Flink
> Issue Type: Sub-task
> Components: Library / Machine Learning
> Reporter: Xu Yang
> Priority: Major
> Labels: auto-unassigned, pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Add 2 common used algorithms of Fast Fourier Transformation(FFT)
> # Cooley-Tukey algorithm, high performance, but only supports length of
> power-of-2.
> # Chirp-Z algorithm, can perform FFT with any length.
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