212   PetscMPIInt     n15, n16, n17, n18, n19, n20, n21, n22, n23, n24, n25, n26;  in DMSetUp_DA_3D()  local
574   n26 = rank + m * n + m + 1;  in DMSetUp_DA_3D()
599     n26 = rank + 1 + (m * n);  in DMSetUp_DA_3D()
623     n26 = rank - m * (n - 1) + 1 + (m * n);  in DMSetUp_DA_3D()
647     n26 = (m * n) - (size - rank) + m + 1;  in DMSetUp_DA_3D()
683     n26 = m * n - (size - rank) - (m - 1) + m;  in DMSetUp_DA_3D()
695     n26 = rank - m * n + 1 + m * n;  in DMSetUp_DA_3D()
719     n26 = rank - (size - m) + 1;  in DMSetUp_DA_3D()
730   if ((xe == M) && (ye == N) && (ze == P)) n26 = 0;  in DMSetUp_DA_3D()
737     if (xe == M) n2 = n5 = n8 = n11 = n14 = n17 = n20 = n23 = n26 = -2;  in DMSetUp_DA_3D()
743     if (ye == N) n6 = n7 = n8 = n15 = n16 = n17 = n24 = n25 = n26 = -2;  in DMSetUp_DA_3D()
749     if (ze == P) n18 = n19 = n20 = n21 = n22 = n23 = n24 = n25 = n26 = -2;  in DMSetUp_DA_3D()
780   dd->neighbors[26] = n26;  in DMSetUp_DA_3D()
804     sn26 = n26;  in DMSetUp_DA_3D()
805 …n3 = n5 = n6 = n7 = n8 = n9 = n11 = n15 = n17 = n18 = n19 = n20 = n21 = n23 = n24 = n25 = n26 = -1;  in DMSetUp_DA_3D()
1057       if (n26 >= 0) { /* right above */  in DMSetUp_DA_3D()
1058         x_t = lx[n26 % m];  in DMSetUp_DA_3D()
1059         y_t = ly[(n26 % (m * n)) / m];  in DMSetUp_DA_3D()
1061         s_t = bases[n26] + (i - 1) * x_t + k * x_t * y_t;  in DMSetUp_DA_3D()
1062         if (twod && (s_t >= M * N * P)) s_t = bases[n26] + (i - 1) * x_t; /* 2d case */  in DMSetUp_DA_3D()
1093     n26 = sn26;  in DMSetUp_DA_3D()
1393         if (n26 >= 0) { /* right above */  in DMSetUp_DA_3D()
1394           x_t = lx[n26 % m];  in DMSetUp_DA_3D()
1395           y_t = ly[(n26 % (m * n)) / m];  in DMSetUp_DA_3D()
1397           s_t = bases[n26] + (i - 1) * x_t + k * x_t * y_t;  in DMSetUp_DA_3D()