tly only complex DFTs) are:
</p>
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<a name="index-fftw_005fmpi_005flocal_005fsize_005fmany_005f1d"></a>
<div class="example">
<pre class="example">ptrdiff_t fftw_mpi_local_size_1d(
             ptrdiff_t n0, MPI_Comm comm, int sign, unsigned flags,
             ptrdiff_t *local_ni, ptrdiff_t *local_i_start,
             ptrdiff_t *local_no, ptrdiff_t *local_o_start);
ptrdiff_t fftw_mpi_local_size_many_1d(
             ptrdiff_t n0, ptrdiff_t howman