petsc-3.7.1 2016-05-15
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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 Many br

Input Parameters

comm - the MPI communicator Many br
s - pointer to the section Many br

Many br

Notes: Typical calling sequence Many br

      PetscSectionCreate(MPI_Comm,PetscSection *);
      PetscSectionSetNumFields(PetscSection, numFields);
      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 Many brrecommended they not be used in user codes unless you really gain something in their use. Many br

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