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
PetscSectionlen - 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