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d@0: The “guru” interface to FFTW is intended to expose as much as possible d@0: of the flexibility in the underlying FFTW architecture. It allows one d@0: to compute multi-dimensional “vectors” (loops) of multi-dimensional d@0: transforms, where each vector/transform dimension has an independent d@0: size and stride. d@0: One can also use more general complex-number formats, e.g. separate real d@0: and imaginary arrays. d@0: d@0:
For those users who require the flexibility of the guru interface, it is d@0: important that they pay special attention to the documentation lest they d@0: shoot themselves in the foot. d@0: d@0:
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