PetscLayoutCreateFromSizes

Allocates PetscLayout object and sets the layout sizes, and sets the layout up.

Synopsis

#include "petscis.h" 
PetscErrorCode PetscLayoutCreateFromSizes(MPI_Comm comm, PetscInt n, PetscInt N, PetscInt bs, PetscLayout *map)

Collective

Input Parameters

• comm - the MPI communicator

• n - the local size (or PETSC_DECIDE)

• N - the global size (or PETSC_DECIDE)

• bs - the block size (or PETSC_DECIDE)

Output Parameter

• map - the new PetscLayout

Note

PetscLayoutCreateFromSizes(comm, n, N, bs, &layout);

is a shorthand for

  PetscLayoutCreate(comm, &layout);
  PetscLayoutSetLocalSize(layout, n);
  PetscLayoutSetSize(layout, N);
  PetscLayoutSetBlockSize(layout, bs);
  PetscLayoutSetUp(layout);

See Also

PetscLayout, PetscLayoutCreate(), PetscLayoutSetLocalSize(), PetscLayoutSetSize(), PetscLayoutGetSize(), PetscLayoutGetLocalSize(), PetscLayout, PetscLayoutDestroy(), PetscLayoutGetRange(), PetscLayoutGetRanges(), PetscLayoutSetBlockSize(), PetscLayoutGetBlockSize(), PetscLayoutSetUp(), PetscLayoutCreateFromRanges()

Level

advanced

Location

src/vec/is/utils/pmap.c

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