49   DM            da;  in main()  local
82   PetscCall(DMDACreate1d(PETSC_COMM_WORLD, DM_BOUNDARY_PERIODIC, 10, 2, 2, NULL, &da));  in main()
83   PetscCall(DMSetFromOptions(da));  in main()
84   PetscCall(DMSetUp(da));  in main()
85   PetscCall(DMDASetFieldName(da, 0, "Biharmonic heat equation: w = -kappa*u_xx"));  in main()
86   PetscCall(DMDASetFieldName(da, 1, "Biharmonic heat equation: u"));  in main()
87   PetscCall(DMDAGetInfo(da, 0, &Mx, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0));  in main()
94   PetscCall(DMCreateGlobalVector(da, &x));  in main()
101   PetscCall(TSSetDM(ts, da));  in main()
120   PetscCall(DMCreateColoring(da, IS_COLORING_GLOBAL, &iscoloring));  in main()
121   PetscCall(DMSetMatType(da, MATAIJ));  in main()
122   PetscCall(DMCreateMatrix(da, &J));  in main()
138   PetscCall(FormInitialSolution(da, x, ctx.kappa));  in main()
162   PetscCall(DMDestroy(&da));  in main()
185   DM        da;  in FormFunction()  local
193   PetscCall(TSGetDM(ts, &da));  in FormFunction()
194   PetscCall(DMGetLocalVector(da, &localX));  in FormFunction()
195   PetscCall(DMGetLocalVector(da, &localXdot));  in FormFunction()
196 …PetscCall(DMDAGetInfo(da, PETSC_IGNORE, &Mx, PETSC_IGNORE, PETSC_IGNORE, PETSC_IGNORE, PETSC_IGNOR…  in FormFunction()
207   PetscCall(DMGlobalToLocalBegin(da, X, INSERT_VALUES, localX));  in FormFunction()
208   PetscCall(DMGlobalToLocalEnd(da, X, INSERT_VALUES, localX));  in FormFunction()
209   PetscCall(DMGlobalToLocalBegin(da, Xdot, INSERT_VALUES, localXdot));  in FormFunction()
210   PetscCall(DMGlobalToLocalEnd(da, Xdot, INSERT_VALUES, localXdot));  in FormFunction()
215   PetscCall(DMDAVecGetArrayRead(da, localX, &x));  in FormFunction()
216   PetscCall(DMDAVecGetArrayRead(da, localXdot, &xdot));  in FormFunction()
217   PetscCall(DMDAVecGetArray(da, F, &f));  in FormFunction()
222   PetscCall(DMDAGetCorners(da, &xs, NULL, NULL, &xm, NULL, NULL));  in FormFunction()
250   PetscCall(DMDAVecRestoreArrayRead(da, localXdot, &xdot));  in FormFunction()
251   PetscCall(DMDAVecRestoreArrayRead(da, localX, &x));  in FormFunction()
252   PetscCall(DMDAVecRestoreArray(da, F, &f));  in FormFunction()
253   PetscCall(DMRestoreLocalVector(da, &localX));  in FormFunction()
254   PetscCall(DMRestoreLocalVector(da, &localXdot));  in FormFunction()
259 PetscErrorCode FormInitialSolution(DM da, Vec X, PetscReal kappa)  in FormInitialSolution()  argument
267 …PetscCall(DMDAGetInfo(da, PETSC_IGNORE, &Mx, PETSC_IGNORE, PETSC_IGNORE, PETSC_IGNORE, PETSC_IGNOR…  in FormInitialSolution()
275   PetscCall(DMCreateLocalVector(da, &Xg));  in FormInitialSolution()
276   PetscCall(DMDAVecGetArray(da, Xg, &x));  in FormInitialSolution()
281   PetscCall(DMDAGetCorners(da, &xs, NULL, NULL, &xm, NULL, NULL));  in FormInitialSolution()
282   PetscCall(DMDAGetGhostCorners(da, &xgs, NULL, NULL, &xgm, NULL, NULL));  in FormInitialSolution()
300   PetscCall(DMDAVecRestoreArray(da, Xg, &x));  in FormInitialSolution()
304   PetscCall(DMLocalToGlobalBegin(da, Xg, ADD_VALUES, X));  in FormInitialSolution()
305   PetscCall(DMLocalToGlobalEnd(da, Xg, ADD_VALUES, X));  in FormInitialSolution()