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(fftw.info)One-dimensional Transforms Reference

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One-dimensional Transforms Reference
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   The one-dimensional complex routines are generally prefixed with
`fftw_'.  Programs using FFTW should be linked with `-lfftw -lm' on
Unix systems, or with the FFTW and standard math libraries in general.

fftw_create_plan

Plan Creation

Discussion on Specific Plans

fftw

Plan Execution

fftw_destroy_plan

Plan Destruction

What FFTW Really Computes

Definition of the DFT.