211   PetscMPIInt     n0, n1, n2, n3, n4, n5, n6, n7, n8, n9, n10, n11, n12, n14;  in DMSetUp_DA_3D()  local
555   n8 = rank - m * n + m + 1;  in DMSetUp_DA_3D()
593     n8  = rank + 1 - (m * n);  in DMSetUp_DA_3D()
617     n8  = rank - m * (n - 1) + 1 - (m * n);  in DMSetUp_DA_3D()
635     n8 = size - (m * n) + rank + m + 1;  in DMSetUp_DA_3D()
677     n8 = size - (m * n - rank) - (m - 1) + m;  in DMSetUp_DA_3D()
693     n8  = rank - m * n + 1 - m * n;  in DMSetUp_DA_3D()
713     n8 = size - (m * n - rank) - m * (n - 1) + 1;  in DMSetUp_DA_3D()
729   if ((xe == M) && (ye == N) && (zs == 0)) n8 = size - m * n;  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()
748     if (zs == 0) n0 = n1 = n2 = n3 = n4 = n5 = n6 = n7 = n8 = -2;  in DMSetUp_DA_3D()
762   dd->neighbors[8]  = n8;  in DMSetUp_DA_3D()
792     sn8  = n8;  in DMSetUp_DA_3D()
805 …n0 = n1 = n2 = n3 = n5 = n6 = n7 = n8 = n9 = n11 = n15 = n17 = n18 = n19 = n20 = n21 = n23 = n24 =…  in DMSetUp_DA_3D()
888       if (n8 >= 0) { /* right above */  in DMSetUp_DA_3D()
889         x_t = lx[n8 % m];  in DMSetUp_DA_3D()
890         y_t = ly[(n8 % (m * n)) / m];  in DMSetUp_DA_3D()
891         z_t = lz[n8 / (m * n)];  in DMSetUp_DA_3D()
892         s_t = bases[n8] + (i - 1) * x_t + x_t * y_t * z_t - (s_z - k) * x_t * y_t;  in DMSetUp_DA_3D()
893 …if (twod && (s_t < 0)) s_t = bases[n8] + (i - 1) * x_t + x_t * y_t * z_t - x_t * y_t; /* 2D case */  in DMSetUp_DA_3D()
1081     n8  = sn8;  in DMSetUp_DA_3D()
1189         if (n8 >= 0) { /* right above */  in DMSetUp_DA_3D()
1190           x_t = lx[n8 % m];  in DMSetUp_DA_3D()
1191           y_t = ly[(n8 % (m * n)) / m];  in DMSetUp_DA_3D()
1192           z_t = lz[n8 / (m * n)];  in DMSetUp_DA_3D()
1193           s_t = bases[n8] + (i - 1) * x_t + x_t * y_t * z_t - (s_z - k) * x_t * y_t;  in DMSetUp_DA_3D()