petsc-3.14.6 2021-03-30
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 Parameters
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
PetscLayoutSetLocalSize(), PetscLayoutSetSize(), PetscLayoutGetSize(), PetscLayoutGetLocalSize(), PetscLayout, PetscLayoutDestroy(),
PetscLayoutGetRange(), PetscLayoutGetRanges(), PetscLayoutSetBlockSize(), PetscLayoutGetBlockSize(), PetscLayoutCreate()
Level
developer
Location
src/vec/is/utils/pmap.c
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages