406 …dm, PetscBool usePoly, PetscInt order, PetscInt dir, PetscErrorCode (**exactFuncs)(PetscInt, Petsc…  in SetupFunctions()
415       exactFuncs[0]    = constant;  in SetupFunctions()
419       exactFuncs[0]    = linear;  in SetupFunctions()
423       exactFuncs[0]    = quadratic;  in SetupFunctions()
427       exactFuncs[0]    = cubic;  in SetupFunctions()
431       exactFuncs[0]    = quartic;  in SetupFunctions()
440     exactFuncs[0]    = trig;  in SetupFunctions()
446 static PetscErrorCode ComputeError(DM dm, PetscErrorCode (**exactFuncs)(PetscInt, PetscReal, const …  in ComputeError()
454   PetscCall(DMProjectFunction(dm, 0.0, exactFuncs, exactCtxs, INSERT_ALL_VALUES, u));  in ComputeError()
457   PetscCall(DMComputeL2Diff(dm, 0.0, exactFuncs, exactCtxs, u, error));  in ComputeError()
465 …PetscErrorCode (*exactFuncs[1])(PetscInt dim, PetscReal time, const PetscReal x[], PetscInt Nf, Pe…  in CheckFunctions()  local
479   PetscCall(SetupFunctions(dm, PETSC_TRUE, order, 0, exactFuncs, exactFuncDers, user));  in CheckFunctions()
480   PetscCall(ComputeError(dm, exactFuncs, exactFuncDers, exactCtxs, &error, &errorDer, user));  in CheckFunctions()
492 …PetscErrorCode (*exactFuncs[1])(PetscInt dim, PetscReal time, const PetscReal x[], PetscInt Nf, Pe…  in CheckTransferError()  local
507   PetscCall(SetupFunctions(fdm, usePoly, order, dir, exactFuncs, exactFuncDers, user));  in CheckTransferError()
509   PetscCall(DMComputeL2Diff(fdm, 0.0, exactFuncs, exactCtxs, fu, &error));  in CheckTransferError()
521 …PetscErrorCode (*exactFuncs[1])(PetscInt, PetscReal, const PetscReal x[], PetscInt, PetscScalar *u…  in CheckTransfer()  local
560   PetscCall(SetupFunctions(dm, PETSC_TRUE, order, 0, exactFuncs, exactFuncDers, user));  in CheckTransfer()
561   PetscCall(DMProjectFunction(idm, 0.0, exactFuncs, exactCtxs, INSERT_ALL_VALUES, iu));  in CheckTransfer()
600 …PetscCall(SetupFunctions(idm, user->usePoly, user->usePoly ? k : k + 1, d, exactFuncs, exactFuncDe…  in CheckTransfer()
601         PetscCall(DMProjectFunction(idm, 0.0, exactFuncs, exactCtxs, INSERT_ALL_VALUES, iV));  in CheckTransfer()
602         PetscCall(DMProjectFunction(fdm, 0.0, exactFuncs, exactCtxs, INSERT_ALL_VALUES, fV));  in CheckTransfer()