PetscLayoutSetUp

given a map where you have set either the global or local size sets up the map so that it may be used.

Synopsis

#include "petscis.h" 
PetscErrorCode PetscLayoutSetUp(PetscLayout map)

Collective

Input Parameter

• map - pointer to the map

Notes

Typical calling sequence

  PetscLayoutCreate(MPI_Comm,PetscLayout *);
  PetscLayoutSetBlockSize(PetscLayout,1);
  PetscLayoutSetSize(PetscLayout,n) or PetscLayoutSetLocalSize(PetscLayout,N); or both
  PetscLayoutSetUp(PetscLayout);
  PetscLayoutGetSize(PetscLayout,PetscInt *);

If range exists, and local size is not set, everything gets computed from the range.

If the local size, global size are already set and range exists then this does nothing.

See Also

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

Level

developer

Location

src/vec/is/utils/pmap.c

Examples

src/ksp/ksp/tutorials/ex85.c

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