725 …onst PetscReal[], PetscInt, PetscScalar *, void *), PetscErrorCode (**exactFuncDers)(PetscInt, Pet…  in ComputeError()
737   PetscCall(DMComputeL2GradientDiff(dm, 0.0, exactFuncDers, exactCtxs, u, n, errorDer));  in ComputeError()
745 …PetscErrorCode (*exactFuncDers[1])(PetscInt dim, PetscReal time, const PetscReal x[], const PetscR…  in CheckFunctions()  local
760       exactFuncDers[0] = rt0Der;  in CheckFunctions()
763       exactFuncDers[0] = constantDer;  in CheckFunctions()
769       exactFuncDers[0] = rt1Der;  in CheckFunctions()
772       exactFuncDers[0] = linearDer;  in CheckFunctions()
777     exactFuncDers[0] = quadraticDer;  in CheckFunctions()
781     exactFuncDers[0] = cubicDer;  in CheckFunctions()
786   PetscCall(ComputeError(dm, exactFuncs, exactFuncDers, exactCtxs, &error, &errorDer, user));  in CheckFunctions()
798 …PetscErrorCode (*exactFuncDers[1])(PetscInt, PetscReal, const PetscReal x[], const PetscReal n[], …  in CheckInterpolation()  local
829     exactFuncDers[0] = constantDer;  in CheckInterpolation()
833     exactFuncDers[0] = linearDer;  in CheckInterpolation()
837     exactFuncDers[0] = quadraticDer;  in CheckInterpolation()
841     exactFuncDers[0] = cubicDer;  in CheckInterpolation()
863   PetscCall(DMComputeL2GradientDiff(fdm, 0.0, exactFuncDers, exactCtxs, fu, n, &errorDer));  in CheckInterpolation()
881 …PetscErrorCode (*exactFuncDers[1])(PetscInt dim, PetscReal time, const PetscReal x[], const PetscR…  in CheckConvergence()  local
901   PetscCall(ComputeError(odm, exactFuncs, exactFuncDers, exactCtxs, &errorOld, &errorDerOld, user));  in CheckConvergence()
907       PetscCall(ComputeError(rdm, exactFuncs, exactFuncDers, exactCtxs, &error, &errorDer, user));  in CheckConvergence()
925       PetscCall(ComputeError(cdm, exactFuncs, exactFuncDers, exactCtxs, &error, &errorDer, user));  in CheckConvergence()