66   PetscCall(TaoGradientNorm(tao, tao->gradient, NORM_2, &bnk->gnorm));  in TaoBNKInitialize()
148           PetscCall(VecAXPY(tao->solution, -tao->trust / bnk->gnorm, tao->gradient));  in TaoBNKInitialize()
162               sigma = -tao->trust / bnk->gnorm;  in TaoBNKInitialize()
179 …        prered = tao->trust * (bnk->gnorm - 0.5 * tao->trust * prered / (bnk->gnorm * bnk->gnorm));  in TaoBNKInitialize()
187 …tau_1   = bnk->theta_i * bnk->gnorm * tao->trust / (bnk->theta_i * bnk->gnorm * tao->trust + (1.0 …  in TaoBNKInitialize()
188 …tau_2   = bnk->theta_i * bnk->gnorm * tao->trust / (bnk->theta_i * bnk->gnorm * tao->trust - (1.0 …  in TaoBNKInitialize()
247           PetscCall(TaoGradientNorm(tao, tao->gradient, NORM_2, &bnk->gnorm));  in TaoBNKInitialize()
574         bnk->pert = PetscMin(bnk->imax, PetscMax(bnk->imin, bnk->imfac * bnk->gnorm));  in TaoBNKSafeguardStep()
582         bnk->pert = PetscMin(bnk->pmax, PetscMax(bnk->pgfac * bnk->pert, bnk->pmgfac * bnk->gnorm));  in TaoBNKSafeguardStep()
636           bnk->pert = PetscMin(bnk->imax, PetscMax(bnk->imin, bnk->imfac * bnk->gnorm));  in TaoBNKSafeguardStep()
644 …       bnk->pert = PetscMin(bnk->pmax, PetscMax(bnk->pgfac * bnk->pert, bnk->pmgfac * bnk->gnorm));  in TaoBNKSafeguardStep()
650         bnk->pert = PetscMin(bnk->psfac * bnk->pert, bnk->pmsfac * bnk->gnorm);  in TaoBNKSafeguardStep()
716         bnk->pert = PetscMin(bnk->imax, PetscMax(bnk->imin, bnk->imfac * bnk->gnorm));  in TaoBNKPerformLineSearch()
724         bnk->pert = PetscMin(bnk->pmax, PetscMax(bnk->pgfac * bnk->pert, bnk->pmgfac * bnk->gnorm));  in TaoBNKPerformLineSearch()