PetscSectionCreateComponentSubsection#

Create a new, smaller PetscSection composed of only selected components

Synopsis#

#include "petscsection.h"   
PetscErrorCode PetscSectionCreateComponentSubsection(PetscSection s, PetscInt len, const PetscInt comps[], PetscSection *subs)

Collective

Input Parameters#

  • s - the PetscSection

  • len - the number of components

  • comps - the component numbers

Output Parameter#

  • subs - the subsection

Notes#

The chart of subs is the same as the chart of s

This will error if the section has more than one field, or if a component number is out of range

See Also#

PetscSection, PetscSection, 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