Function dft_chunks_Ntotal

src/dft.cpp:431–437

}

size_t dft_chunks_Ntotal(dft_chunk *dft_chunks, size_t *my_start) {
  // If writing to a single parallel file, we are compute our chunks offset
  // into the single-parallel-file that has all the data.
  size_t n = my_dft_chunks_Ntotal(dft_chunks, my_start);
  *my_start = partial_sum_to_all(n) - n; // sum(n) for processes before this
  return sum_to_all(n);
}

size_t dft_chunks_Ntotal(dft_chunk *dft_chunks, size_t *my_start, bool single_parallel_file) {
  return single_parallel_file ? dft_chunks_Ntotal(dft_chunks, my_start)