136     PetscCall(VecDuplicate(tao->solution, &cg->y_work));  in TaoSetUp_BNCG()
160     PetscCall(VecDestroy(&cg->y_work));  in TaoDestroy_BNCG()
638           PetscCall(MatSolve(cg->B, cg->yk, cg->y_work));  in TaoBNCGStepDirectionUpdate()
644           PetscCall(VecDot(cg->yk, cg->y_work, &tau_k));  in TaoBNCGStepDirectionUpdate()
680         PetscCall(MatSolve(cg->B, cg->yk, cg->y_work));  in TaoBNCGStepDirectionUpdate()
684         PetscCall(VecDot(cg->yk, cg->y_work, &tau_k));  in TaoBNCGStepDirectionUpdate()
690         PetscCall(VecDot(cg->y_work, tao->stepdirection, &dk_yk));  in TaoBNCGStepDirectionUpdate()
733           PetscCall(MatSolve(cg->B, cg->yk, cg->y_work));  in TaoBNCGStepDirectionUpdate()
739           PetscCall(VecDot(cg->yk, cg->y_work, &tau_k));  in TaoBNCGStepDirectionUpdate()
761           PetscCall(VecAXPY(tao->stepdirection, gamma, cg->y_work));  in TaoBNCGStepDirectionUpdate()
785         PetscCall(MatSolve(cg->B, cg->yk, cg->y_work));  in TaoBNCGStepDirectionUpdate()
788         PetscCall(VecDot(cg->y_work, cg->yk, &tmp));  in TaoBNCGStepDirectionUpdate()
793         PetscCall(VecAXPBYPCZ(tao->stepdirection, -1.0, gamma, beta, cg->g_work, cg->y_work));  in TaoBNCGStepDirectionUpdate()
816         PetscCall(MatSolve(cg->B, cg->yk, cg->y_work));  in TaoBNCGStepDirectionUpdate()
819         PetscCall(VecDot(cg->y_work, cg->yk, &tmp));  in TaoBNCGStepDirectionUpdate()
824         PetscCall(VecAXPBYPCZ(tao->stepdirection, -1.0, gamma, beta, cg->g_work, cg->y_work));  in TaoBNCGStepDirectionUpdate()
850         PetscCall(MatSolve(cg->B, cg->yk, cg->y_work));  in TaoBNCGStepDirectionUpdate()
853         PetscCall(VecDot(cg->y_work, cg->yk, &tmp));  in TaoBNCGStepDirectionUpdate()
858         PetscCall(VecAXPBYPCZ(tao->stepdirection, -1.0, gamma, beta, cg->g_work, cg->y_work));  in TaoBNCGStepDirectionUpdate()