586 …PetscErrorCode (*exactFuncs[2])(PetscInt dim, PetscReal time, const PetscReal x[], PetscInt Nf, Pe…  in SetupBC()  local
624   exactFuncs[0] = user->initialGuess[0];  in SetupBC()
625   exactFuncs[1] = user->initialGuess[1];  in SetupBC()
630       exactFuncs[0] = zero_u_2d;  in SetupBC()
633       exactFuncs[0] = constant_u_2d;  in SetupBC()
640           exactFuncs[0] = doubly_periodic_u_2d;  in SetupBC()
643           exactFuncs[0] = periodic_u_2d;  in SetupBC()
648         exactFuncs[0] = quadratic_u_2d;  in SetupBC()
653       exactFuncs[0] = shear_bc;  in SetupBC()
666     if (user->velocityDist == VEL_CONSTANT && !isImplicit) user->initialGuess[0] = exactFuncs[0];  in SetupBC()
670     user->initialGuess[0] = exactFuncs[0];  in SetupBC()
671     user->initialGuess[1] = exactFuncs[1];  in SetupBC()
676   PetscCall(PetscDSSetExactSolution(prob, 0, exactFuncs[0], user));  in SetupBC()
677   PetscCall(PetscDSSetExactSolution(prob, 1, exactFuncs[1], user));  in SetupBC()
681 …dm, DM_BC_ESSENTIAL, "wall", label, 1, &id, 0, 0, NULL, (PetscVoidFn *)exactFuncs[0], NULL, user, …  in SetupBC()