SNESNASMGetSubdomains#

Get the local subdomain contexts for the nonlinear additive Schwarz solver

Synopsis#

#include "petscsnes.h"   
PetscErrorCode SNESNASMGetSubdomains(SNES snes, PetscInt *n, SNES *subsnes[], VecScatter *iscatter[], VecScatter *oscatter[], VecScatter *gscatter[])

Not Collective but some of the objects returned will be parallel

Input Parameter#

  • snes - the SNES context

Output Parameters#

  • n - the number of local subdomains

  • subsnes - solvers defined on the local subdomains

  • iscatter - scatters into the nonoverlapping portions of the local subdomains

  • oscatter - scatters into the overlapping portions of the local subdomains

  • gscatter - scatters into the (ghosted) local vector of the local subdomain

See Also#

SNES: Nonlinear Solvers, SNES, SNESNASM, SNESNASMSetSubdomains()

Level#

intermediate

Location#

src/snes/impls/nasm/nasm.c

Implementations#

SNESNASMGetSubdomains_NASM() in src/snes/impls/nasm/nasm.c

Index of all SNES routines
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Index of all manual pages