119   PetscDS        ds;  in SetupPrimalProblem()  local
124   PetscCall(DMGetDS(dm, &ds));  in SetupPrimalProblem()
127     PetscCall(PetscDSSetResidual(ds, 0, f0_trig_u, f1_u));  in SetupPrimalProblem()
128     PetscCall(PetscDSSetJacobian(ds, 0, 0, g0_uu, NULL, NULL, g3_uu));  in SetupPrimalProblem()
129     PetscCall(PetscDSSetExactSolution(ds, 0, trig_u, user));  in SetupPrimalProblem()
133     PetscCall(PetscDSSetResidual(ds, 0, f0_quad_u, f1_u));  in SetupPrimalProblem()
134     PetscCall(PetscDSSetJacobian(ds, 0, 0, g0_uu, NULL, NULL, g3_uu));  in SetupPrimalProblem()
135     PetscCall(PetscDSSetExactSolution(ds, 0, quad_u, user));  in SetupPrimalProblem()
175   PetscDS ds;  in main()  local
197   PetscCall(DMGetDS(dm, &ds));  in main()
198   PetscCall(PetscDSGetNumFields(ds, &Nfields));  in main()