59   Vec         solution;         /* global exact solution vector */  member
123   PetscCall(VecDuplicate(u, &appctx.solution));  in main()
263   PetscCall(VecDestroy(&appctx.solution));  in main()
336 PetscErrorCode ExactSolution(PetscReal t, Vec solution, AppCtx *appctx)  in ExactSolution()  argument
345   PetscCall(VecGetArrayWrite(solution, &s_localptr));  in ExactSolution()
360   PetscCall(VecRestoreArrayWrite(solution, &s_localptr));  in ExactSolution()
396   PetscCall(ExactSolution(time, appctx->solution, appctx));  in Monitor()
405     PetscCall(VecView(appctx->solution, PETSC_VIEWER_STDOUT_SELF));  in Monitor()
411   PetscCall(VecAXPY(appctx->solution, -1.0, u));  in Monitor()
412   PetscCall(VecNorm(appctx->solution, NORM_2, &norm_2));  in Monitor()
414   PetscCall(VecNorm(appctx->solution, NORM_MAX, &norm_max));  in Monitor()
432   PetscCall(VecView(appctx->solution, appctx->viewer1));  in Monitor()
439     PetscCall(VecView(appctx->solution, PETSC_VIEWER_STDOUT_SELF));  in Monitor()