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fftw_plan fftw_plan_many_r2r(int rank, const int *n, int howmany, d@0: double *in, const int *inembed, d@0: int istride, int idist, d@0: double *out, const int *onembed, d@0: int ostride, int odist, d@0: const fftw_r2r_kind *kind, unsigned flags); d@0:d@0:
d@0: Like fftw_plan_many_dft, this functions adds howmany,
d@0: nembed, stride, and dist parameters to the
d@0: fftw_plan_r2r function, but otherwise behave the same as the
d@0: basic interface. The interpretation of those additional parameters are
d@0: the same as for fftw_plan_many_dft. (Of course, the
d@0: stride and dist parameters are now in units of
d@0: double, not fftw_complex.)
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Arrays n, inembed, onembed, and kind are not
d@0: used after this function returns. You can safely free or reuse them.
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