159   Vec                ctxVec = NULL;  in TestShellEvaluate()  local
167   PetscCall(DMFieldShellGetContext(field, &ctxVec));  in TestShellEvaluate()
171   PetscCall(VecGetArrayRead(ctxVec, &mult));  in TestShellEvaluate()
205   PetscCall(VecRestoreArrayRead(ctxVec, &mult));  in TestShellEvaluate()
211   Vec ctxVec = NULL;  in TestShellDestroy()  local
214   PetscCall(DMFieldShellGetContext(field, &ctxVec));  in TestShellDestroy()
215   PetscCall(VecDestroy(&ctxVec));  in TestShellDestroy()
279       Vec          ctxVec;  in main()  local
283       PetscCall(VecCreateSeq(PETSC_COMM_SELF, nc, &ctxVec));  in main()
284       PetscCall(VecSetUp(ctxVec));  in main()
285       PetscCall(VecGetArray(ctxVec, &array));  in main()
287       PetscCall(VecRestoreArray(ctxVec, &array));  in main()
288       PetscCall(DMFieldCreateShell(dm, nc, DMFIELD_VERTEX, (void *)ctxVec, &field));  in main()