MPI_Cart_create return argument should be a pointer

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Closed vbharadwaj-bk closed 1 year ago

vbharadwaj-bk commented 1 year ago

On this page, https://rookiehpc.org/mpi/docs/mpi_cart_create/index.html, the MPI communicator returned should be a pointer type MPI_Comm*, not MPI_Comm. See the OpenMPI documentation: https://www.open-mpi.org/doc/v4.1/man3/MPI_Cart_create.3.php

rookiehpc commented 1 year ago

Hi @vbharadwaj-bk,

well spotted, thank you raising it!