PetscMapCreateMPI

 Creates a map object.

Synopsis

#include "petscvec.h"   
int PetscMapCreateMPI(MPI_Comm comm,int n,int N,PetscMap *m)
Collective on MPI_Comm

Input Parameters

comm - the MPI communicator to use
n - local vector length (or PETSC_DECIDE to have calculated if N is given)
N - global vector length (or PETSC_DECIDE to have calculated if n is given)

Output Parameter

mm -the map object

Suggested by

Robert Clay and Alan Williams, developers of ISIS++, Sandia National Laboratories.

See Also

PetscMapDestroy(), PetscMapGetLocalSize(), PetscMapGetSize(), PetscMapGetGlobalRange(),
PetscMapGetLocalRange()

Level:developer
Location:src/vec/impls/mpi/pmap.c
Index of all Vec routines
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Index of all manual pages