petsc-master 2020-09-18
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PetscSectionCreateSubsection

Create a new, smaller section composed of only the selected fields

Synopsis

#include "petscsection.h"   
PetscErrorCode PetscSectionCreateSubsection(PetscSection s, PetscInt len, const PetscInt fields[], PetscSection *subs)
Collective on s

Input Parameter

s - the PetscSection
len - the number of subfields
fields - the subfield numbers

Output Parameter

subs - the subsection

Note: The section offsets now refer to a new, smaller vector.

See Also

PetscSectionCreateSupersection(), PetscSectionCreate()

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