81     PetscCall(PetscFree(merge->coi));  in MatProductCtxDestroy_MPIAIJ_PtAP()
234 …PetscInt                *owners_co, *coi, *coj; /* i and j array of (p->B)^T*A*P - used in the com…  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()  local
395   coi   = c_oth->i;  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()
399   PetscCall(ISLocalToGlobalMappingApply(ptap->ltog, coi[con], coj, coj));  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()
403     len_s[proc] += coi[i + 1] - coi[i]; /* num of nonzeros in Co to be sent to [proc] */  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()
429     PetscCallMPI(MPIU_Isend(coj + coi[i], len_s[proc], MPIU_INT, proc, tagj, comm, swaits + k));  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()
479       nzi                 = coi[i + 1] - coi[i];  in MatPtAPSymbolic_MPIAIJ_MPIAIJ_scalable()
1521 …PetscInt                *owners_co, *coi, *coj; /* i and j array of (p->B)^T*A*P - used in the com…  in MatPtAPSymbolic_MPIAIJ_MPIAIJ()  local
1685   coi   = c_oth->i;  in MatPtAPSymbolic_MPIAIJ_MPIAIJ()
1692     len_s[proc] += coi[i + 1] - coi[i]; /* num of nonzeros in Co to be sent to [proc] */  in MatPtAPSymbolic_MPIAIJ_MPIAIJ()
1718     PetscCallMPI(MPIU_Isend(coj + coi[i], len_s[proc], MPIU_INT, proc, tagj, comm, swaits + k));  in MatPtAPSymbolic_MPIAIJ_MPIAIJ()
1768       nzi                 = coi[i + 1] - coi[i];  in MatPtAPSymbolic_MPIAIJ_MPIAIJ()