300   Vec_Chain   grad_list, *tail_glist, *pgrad;  in TaoSolve_BMRM()  local
358       PetscCall(make_grad_node(bmrm->local_w, &pgrad));  in TaoSolve_BMRM()
359       tail_glist->next = pgrad;  in TaoSolve_BMRM()
360       tail_glist       = pgrad;  in TaoSolve_BMRM()
368       pgrad = grad_list.next;  in TaoSolve_BMRM()
370 …PetscCheck(pgrad, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Assert that there are at least tao->niter+1 pg…  in TaoSolve_BMRM()
371         PetscCall(VecDot(pgrad->V, bmrm->local_w, &reg));  in TaoSolve_BMRM()
373         pgrad                                     = pgrad->next;  in TaoSolve_BMRM()
384       pgrad = grad_list.next;  in TaoSolve_BMRM()
387         PetscCall(VecAXPY(bmrm->local_w, -df.x[i] / lambda, pgrad->V));  in TaoSolve_BMRM()
388         pgrad = pgrad->next;  in TaoSolve_BMRM()