PetscWeakFormSetIndexJacobian

Set the Jacobian pointwise functions g0, g1, g2, and g3 at the given indices for a given key in a PetscWeakForm

Synopsis

#include "petscds.h" 
PetscErrorCode PetscWeakFormSetIndexJacobian(PetscWeakForm wf, DMLabel label, PetscInt val, PetscInt f, PetscInt g, PetscInt part, PetscInt i0, void (*g0)(PetscInt, PetscInt, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[], const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[], PetscReal, PetscReal, const PetscReal[], PetscInt, const PetscScalar[], PetscScalar[]), PetscInt i1, void (*g1)(PetscInt, PetscInt, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[], const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[], PetscReal, PetscReal, const PetscReal[], PetscInt, const PetscScalar[], PetscScalar[]), PetscInt i2, void (*g2)(PetscInt, PetscInt, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[], const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[], PetscReal, PetscReal, const PetscReal[], PetscInt, const PetscScalar[], PetscScalar[]), PetscInt i3, void (*g3)(PetscInt, PetscInt, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[], const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[], PetscReal, PetscReal, const PetscReal[], PetscInt, const PetscScalar[], PetscScalar[]))

Not Collective

Input Parameters

• wf - The PetscWeakForm

• label - The label selecting the mesh region, or NULL for the entire domain

• val - The label value selecting the mesh region

• f - The test field number

• g - The trial field number

• part - The equation part, or 0 if unused

• i0 - The index at which to store g0 in the g0 list

• g0 - The g0 Jacobian pointwise function; a NULL is ignored

• i1 - The index at which to store g1 in the g1 list

• g1 - The g1 Jacobian pointwise function; a NULL is ignored

• i2 - The index at which to store g2 in the g2 list

• g2 - The g2 Jacobian pointwise function; a NULL is ignored

• i3 - The index at which to store g3 in the g3 list

• g3 - The g3 Jacobian pointwise function; a NULL is ignored

See Also

PetscWeakForm, PetscWeakFormSetJacobian(), PetscWeakFormAddJacobian(), PetscWeakFormGetJacobian(), PetscWeakFormClearIndex()

Level

intermediate

Location

src/dm/dt/interface/dtweakform.c

Examples

src/snes/tutorials/ex23.c

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