52   Vec       solution;  /* global exact solution vector */  member
122   PetscCall(VecDuplicate(u, &appctx.solution));  in main()
199   PetscCall(VecDestroy(&appctx.solution));  in main()
281 PetscErrorCode ExactSolution(PetscReal t, Vec solution, AppCtx *appctx)  in ExactSolution()  argument
291   PetscCall(VecGetOwnershipRange(solution, &mybase, &myend));  in ExactSolution()
296   PetscCall(VecGetArray(solution, &s_localptr));  in ExactSolution()
310   PetscCall(VecRestoreArray(solution, &s_localptr));  in ExactSolution()
355   PetscCall(ExactSolution(time, appctx->solution, appctx));  in Monitor()
364     PetscCall(VecView(appctx->solution, PETSC_VIEWER_STDOUT_WORLD));  in Monitor()
370   PetscCall(VecAXPY(appctx->solution, -1.0, u));  in Monitor()
371   PetscCall(VecNorm(appctx->solution, NORM_2, &en2));  in Monitor()
373   PetscCall(VecNorm(appctx->solution, NORM_MAX, &enmax));  in Monitor()
386     PetscCall(VecView(appctx->solution, PETSC_VIEWER_STDOUT_WORLD));  in Monitor()