Actual source code: vmpicr.c
2: /*
3: This file contains routines for Parallel vector operations.
4: */
6: #include <petscvec.h>
8: /*@
9: VecCreateMPI - Creates a parallel vector.
11: Collective
13: Input Parameters:
14: + comm - the MPI communicator to use
15: . n - local vector length (or PETSC_DECIDE to have calculated if N is given)
16: - N - global vector length (or PETSC_DETERMINE to have calculated if n is given)
18: Output Parameter:
19: . vv - the vector
21: Notes:
22: Use VecDuplicate() or VecDuplicateVecs() to form additional vectors of the
23: same type as an existing vector.
25: Level: intermediate
27: .seealso: `VecCreateSeq()`, `VecCreate()`, `VecDuplicate()`, `VecDuplicateVecs()`, `VecCreateGhost()`,
28: `VecCreateMPIWithArray()`, `VecCreateGhostWithArray()`, `VecMPISetGhost()`
30: @*/
31: PetscErrorCode VecCreateMPI(MPI_Comm comm, PetscInt n, PetscInt N, Vec *v)
32: {
33: VecCreate(comm, v);
34: VecSetSizes(*v, n, N);
35: VecSetType(*v, VECMPI);
36: return 0;
37: }