MPIX_Nodecart_get
Retrieves Cartesian topology information associated with a communicator
Synopsis
int MPIX_Nodecart_get(MPI_Comm comm, int maxdims, int dims[], int periods[],
int coords[])
Input Parameters
- comm
- communicator with Cartesian structure (handle)
- maxdims
- length of vectors dims, periods, and coords
in the calling program (integer)
Output Parameters
- dims
- number of processes for each Cartesian dimension (array of integer)
- periods
- periodicity (true/false) for each Cartesian dimension
(array of logical)
- coords
- coordinates of calling process in Cartesian structure
(array of integer)