petsc-3.12.2 2019-11-22
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PetscSFCreateSectionSF

Create an expanded SF of dofs, assuming the input SF relates points

Synopsis

#include "petscsection.h"   
PetscErrorCode PetscSFCreateSectionSF(PetscSF sf, PetscSection rootSection, PetscInt remoteOffsets[], PetscSection leafSection, PetscSF *sectionSF)
Collective on sf

Input Parameters

sf - The SF
rootSection - Data layout of remote points for outgoing data (this is usually the serial section)
remoteOffsets - Offsets for point data on remote processes (these are offsets from the root section), or NULL
leafSection - Data layout of local points for incoming data (this is the distributed section)

Output Parameters

sectionSF -The new SF

Note: Either rootSection or remoteOffsets can be specified

See Also

PetscSFCreate()

Level

advanced

Location

src/vec/is/section/interface/section.c
Index of all PetscSection routines
Table of Contents for all manual pages
Index of all manual pages