PetscLayoutCreate

Allocates PetscLayout space and sets the map contents to the default.

Synopsis

#include "petscvec.h"   
#undef __FUNCT__  
#define __FUNCT__ "PetscLayoutInitialize"
PetscErrorCode PETSCVEC_DLLEXPORT PetscLayoutCreate(MPI_Comm comm,PetscLayout *map)
Collective on MPI_Comm

Input Parameters

comm - the MPI communicator
map - pointer to the map

Notes: Typical calling sequence PetscLayoutCreate(MPI_Comm,PetscLayout *); PetscLayoutSetBlockSize(PetscLayout,1); PetscLayoutSetSize(PetscLayout,n) or PetscLayoutSetLocalSize(PetscLayout,N); PetscLayoutSetUp(PetscLayout); PetscLayoutGetSize(PetscLayout,PetscInt *); PetscLayoutDestroy(PetscLayout);

Unlike regular PETSc objects you work with a pointer to the object instead of the object directly.

The PetscLayout object and methods are intended to be used in the PETSc Vec and Mat implementions; it is recommended they not be used in user codes unless you really gain something in their use.

Fortran Notes

Not available from Fortran

See Also

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

Level:developer
Location:
src/vec/vec/impls/mpi/pmap.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages