41   PetscInt j, ys, ye, Ys, Ye;  in DMDAGetElements_2D()  local
66     PetscCall(DMDAGetGhostCorners(dm, &Xs, &Ys, NULL, &Xe, &Ye, NULL));  in DMDAGetElements_2D()
71     Ye += Ys;  in DMDAGetElements_2D()
106   PetscInt j, ys, ye, Ys, Ye;  in DMDAGetElements_3D()  local
132     PetscCall(DMDAGetGhostCorners(dm, &Xs, &Ys, &Zs, &Xe, &Ye, &Ze));  in DMDAGetElements_3D()
137     Ye += Ys;  in DMDAGetElements_3D()
147           cell[0] = (i - Xs) + (j - Ys) * (Xe - Xs) + (k - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
148           cell[1] = (i + 1 - Xs) + (j - Ys) * (Xe - Xs) + (k - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
149           cell[2] = (i + 1 - Xs) + (j + 1 - Ys) * (Xe - Xs) + (k - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
150           cell[3] = (i - Xs) + (j + 1 - Ys) * (Xe - Xs) + (k - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
151           cell[4] = (i - Xs) + (j - Ys) * (Xe - Xs) + (k + 1 - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
152           cell[5] = (i + 1 - Xs) + (j - Ys) * (Xe - Xs) + (k + 1 - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
153           cell[6] = (i + 1 - Xs) + (j + 1 - Ys) * (Xe - Xs) + (k + 1 - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
154           cell[7] = (i - Xs) + (j + 1 - Ys) * (Xe - Xs) + (k + 1 - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
165     corners[0] = (xs - Xs) + (ys - Ys) * (Xe - Xs) + (zs - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
166     corners[1] = (xe - 1 - Xs) + (ys - Ys) * (Xe - Xs) + (zs - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
167     corners[2] = (xs - Xs) + (ye - 1 - Ys) * (Xe - Xs) + (zs - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
168     corners[3] = (xe - 1 - Xs) + (ye - 1 - Ys) * (Xe - Xs) + (zs - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
169     corners[4] = (xs - Xs) + (ys - Ys) * (Xe - Xs) + (ze - 1 - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
170     corners[5] = (xe - 1 - Xs) + (ys - Ys) * (Xe - Xs) + (ze - 1 - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
171     corners[6] = (xs - Xs) + (ye - 1 - Ys) * (Xe - Xs) + (ze - 1 - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()
172     corners[7] = (xe - 1 - Xs) + (ye - 1 - Ys) * (Xe - Xs) + (ze - 1 - Zs) * (Xe - Xs) * (Ye - Ys);  in DMDAGetElements_3D()