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Chris@10: FFTW's “advanced” interface supplements the basic interface with four
Chris@10: new planner routines, providing a new level of flexibility: you can plan
Chris@10: a transform of multiple arrays simultaneously, operate on non-contiguous
Chris@10: (strided) data, and transform a subset of a larger multi-dimensional
Chris@10: array. Other than these additional features, the planner operates in
Chris@10: the same fashion as in the basic interface, and the resulting
Chris@10: fftw_plan
is used in the same way (see Using Plans).
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