DMPlexSNESComputeResidualDS#

Sums the local residual into vector F from the local input X using all pointwise functions with unique keys in the PetscDS

Synopsis#

#include "petscdmplex.h" 
#include "petscsnes.h"   
PetscErrorCode DMPlexSNESComputeResidualDS(DM dm, Vec X, Vec F, void *user)

Input Parameters#

  • dm - The mesh

  • X - Local solution

  • user - The user context

Output Parameter#

  • F - Local output vector

Note#

The residual is summed into F; the caller is responsible for using VecZeroEntries() or otherwise ensuring that any data in F is intentional.

See Also#

SNES: Nonlinear Solvers, DM, DMPLEX, DMPlexComputeJacobianAction()

Level#

developer

Location#

src/snes/utils/dmplexsnes.c

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