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#
Examples#
src/vec/is/is/tests/ex11.c
src/vec/is/is/tests/ex9.c
src/vec/is/sf/tests/ex18.c
src/mat/tests/ex312.c
Index of all IS routines
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Index of all manual pages