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#
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages