4559 …PetscInt            *Ai;                             /* Change to PetscCount once we use it for ro…  in MatSetPreallocationCOO_SeqAIJ()  local
4600   PetscCall(PetscShmgetAllocateArray(M + 1, sizeof(PetscInt), (void **)&Ai)); /* CSR of A */  in MatSetPreallocationCOO_SeqAIJ()
4601   PetscCall(PetscArrayzero(Ai, M + 1));  in MatSetPreallocationCOO_SeqAIJ()
4607   Ai++;  /* Inc by 1 for convenience */  in MatSetPreallocationCOO_SeqAIJ()
4667       PetscCall(PetscIntCast(end - start, Ai + row));  in MatSetPreallocationCOO_SeqAIJ()
4668       nnz += Ai[row]; // q is already advanced  in MatSetPreallocationCOO_SeqAIJ()
4673       Ai[row] = 1;  in MatSetPreallocationCOO_SeqAIJ()
4681           Ai[row]++;  in MatSetPreallocationCOO_SeqAIJ()
4691   Ai--; /* Back to the beginning of Ai[] */  in MatSetPreallocationCOO_SeqAIJ()
4692   for (k = 0; k < M; k++) Ai[k + 1] += Ai[k];  in MatSetPreallocationCOO_SeqAIJ()
4724   PetscCall(MatSetSeqAIJWithArrays_private(PETSC_COMM_SELF, M, N, Ai, Aj, Aa, rtype, mat));  in MatSetPreallocationCOO_SeqAIJ()