petsc-dev 2014-07-23
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PetscSectionCreateGlobalSection

Create a section describing the global field layout using the local section and an SF describing the section point overlap.

Synopsis

#include "petscvec.h"   
PetscErrorCode PetscSectionCreateGlobalSection(PetscSection s, PetscSF sf, PetscBool includeConstraints, PetscSection *gsection)

Input Parameters

+ s - The PetscSection for the local field layout . sf - The SF describing parallel layout of the section points (leaves are unowned local points) - includeConstraints - By default this is PETSC_FALSE, meaning that the global field vector will not possess constrained dofs

Output Parameter

. gsection - The PetscSection for the global field layout

Note: This gives negative sizes and offsets to points not owned by this process

See Also

PetscSectionCreate()

Level:developer
Location:
src/vec/is/utils/vsectionis.c
Index of all IS routines
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Index of all manual pages