106   DM_DA      *dd = (DM_DA *)da->data;  in DMDAGetRay()  local
119         PetscCall(PetscMalloc1(dd->w, &indices));  in DMDAGetRay()
120         indices[0] = dd->w * gp;  in DMDAGetRay()
121         for (i = 1; i < dd->w; ++i) indices[i] = indices[i - 1] + 1;  in DMDAGetRay()
122         PetscCall(AOApplicationToPetsc(ao, dd->w, indices));  in DMDAGetRay()
124         PetscCall(VecSetBlockSize(*newvec, dd->w));  in DMDAGetRay()
125         PetscCall(VecSetSizes(*newvec, dd->w, PETSC_DETERMINE));  in DMDAGetRay()
127         PetscCall(ISCreateGeneral(PETSC_COMM_SELF, dd->w, indices, PETSC_OWN_POINTER, &is));  in DMDAGetRay()
134         PetscCall(PetscMalloc1(dd->w * dd->M, &indices));  in DMDAGetRay()
135         indices[0] = gp * dd->M * dd->w;  in DMDAGetRay()
136         for (i = 1; i < dd->M * dd->w; i++) indices[i] = indices[i - 1] + 1;  in DMDAGetRay()
138         PetscCall(AOApplicationToPetsc(ao, dd->M * dd->w, indices));  in DMDAGetRay()
140         PetscCall(VecSetBlockSize(*newvec, dd->w));  in DMDAGetRay()
141         PetscCall(VecSetSizes(*newvec, dd->M * dd->w, PETSC_DETERMINE));  in DMDAGetRay()
143         PetscCall(ISCreateGeneral(PETSC_COMM_SELF, dd->w * dd->M, indices, PETSC_OWN_POINTER, &is));  in DMDAGetRay()
145         PetscCall(PetscMalloc1(dd->w * dd->N, &indices));  in DMDAGetRay()
146         indices[0] = dd->w * gp;  in DMDAGetRay()
147         for (j = 1; j < dd->w; j++) indices[j] = indices[j - 1] + 1;  in DMDAGetRay()
148         for (i = 1; i < dd->N; i++) {  in DMDAGetRay()
149           indices[i * dd->w] = indices[i * dd->w - 1] + dd->w * dd->M - dd->w + 1;  in DMDAGetRay()
150           for (j = 1; j < dd->w; j++) indices[i * dd->w + j] = indices[i * dd->w + j - 1] + 1;  in DMDAGetRay()
152         PetscCall(AOApplicationToPetsc(ao, dd->w * dd->N, indices));  in DMDAGetRay()
154         PetscCall(VecSetBlockSize(*newvec, dd->w));  in DMDAGetRay()
155         PetscCall(VecSetSizes(*newvec, dd->N * dd->w, PETSC_DETERMINE));  in DMDAGetRay()
157         PetscCall(ISCreateGeneral(PETSC_COMM_SELF, dd->w * dd->N, indices, PETSC_OWN_POINTER, &is));  in DMDAGetRay()
205   DM_DA      *dd = (DM_DA *)da->data;  in DMDAGetProcessorSubset()  local
214 …PetscCheck(gp >= 0 && gp <= dd->P, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "invalid grid point"…  in DMDAGetProcessorSubset()
218 …PetscCheck(gp >= 0 && gp <= dd->N, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "invalid grid point"…  in DMDAGetProcessorSubset()
221 …PetscCheck(gp >= 0 && gp <= dd->M, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "invalid grid point"…  in DMDAGetProcessorSubset()