613     const PetscInt *acol = aj + ai[i];        /* column indices of nonzero entries in this row */  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_Heap()  local
617       bb[j] = bi[acol[j]];           /* bb points at the start of the row */  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_Heap()
618       if (bb[j] < bi[acol[j] + 1]) { /* Add if row is nonempty */  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_Heap()
635       if (bb[j] < bi[acol[j] + 1]) PetscCall(PetscHeapStash(h, j, bj[bb[j]++]));  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_Heap()
641         if (bb[j2] < bi[acol[j2] + 1]) PetscCall(PetscHeapStash(h, j2, bj[bb[j2]++]));  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_Heap()
718     const PetscInt *acol = aj + ai[i];           /* column indices of nonzero entries in this row */  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_BTHeap()  local
723       PetscInt brow = acol[j];  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_BTHeap()
747       for (; bb[j] < bi[acol[j] + 1]; bb[j]++) {  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_BTHeap()
827     const PetscInt *acol = aj + ai[i];        /* column indices of nonzero entries in this row */  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_RowMerge()  local
830       a_rownnz += bi[acol[k] + 1] - bi[acol[k]];  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_RowMerge()
854     const PetscInt *acol = aj + ai[i];        /* column indices of nonzero entries in this row */  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_RowMerge()  local
856     inputcol_L1          = acol;  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_RowMerge()
1130 …const PetscInt *acol = PetscSafePointerPlusOffset(aj, ai[i]); /* column indices of nonzero entries…  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_Sorted()  local
1135       PetscInt brow = acol[j], bjstart = bi[brow], bjend = bi[brow + 1], k;  in MatMatMultSymbolic_SeqAIJ_SeqAIJ_Sorted()
1301 …      *ai = a->i, *aj = a->j, *bi = b->i, *bj = b->j, anzi, bnzj, nexta, nextb, *acol, *bcol, brow;  in MatMatTransposeMultNumeric_SeqAIJ_SeqAIJ()  local
1340     acol = PetscSafePointerPlusOffset(aj, ai[i]);  in MatMatTransposeMultNumeric_SeqAIJ_SeqAIJ()
1355         while (nexta < anzi && acol[nexta] < bcol[nextb]) nexta++;  in MatMatTransposeMultNumeric_SeqAIJ_SeqAIJ()
1357         while (nextb < bnzj && acol[nexta] > bcol[nextb]) nextb++;  in MatMatTransposeMultNumeric_SeqAIJ_SeqAIJ()
1359         if (acol[nexta] == bcol[nextb]) {  in MatMatTransposeMultNumeric_SeqAIJ_SeqAIJ()