petsc-3.4.5 2014-06-29

PetscSectionCreate

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

Synopsis

#include "petscvec.h"   
PetscErrorCode PetscSectionCreate(MPI_Comm comm, PetscSection *s)
Collective on MPI_Comm

Input Parameters

comm - the MPI communicator
s - pointer to the section

Notes: Typical calling sequence PetscSectionCreate(MPI_Comm,PetscSection *); PetscSectionSetChart(PetscSection,low,high); PetscSectionSetDof(PetscSection,point,numdof); PetscSectionSetUp(PetscSection); PetscSectionGetOffset(PetscSection,point,PetscInt *); PetscSectionDestroy(PetscSection);

The PetscSection 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.

See Also

PetscSection, PetscSectionDestroy()

Level:developer
Location:
src/vec/is/utils/vsectionis.c
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/ts/examples/tutorials/ex11.c.html