413 …CheckDynamicRestart(Tao tao, PetscReal stepsize, PetscReal gd, PetscReal gd_old, PetscBool *dynres…  in TaoBNCGCheckDynamicRestart()  argument
423   quadinterp = 2.0 * (cg->f - fold) / (stepsize * (gd + gd_old));  in TaoBNCGCheckDynamicRestart()
441   PetscReal gkp1_yk, gd_old, tau_bfgs, tau_dfp, gkp1D_yk, gtDg;  in TaoBNCGStepDirectionUpdate()  local
593         PetscCall(VecDot(cg->G_old, tao->stepdirection, &gd_old));  in TaoBNCGStepDirectionUpdate()
595         beta = tau_k * gnorm2 / (gd - gd_old);  in TaoBNCGStepDirectionUpdate()
601         PetscCall(VecDot(tao->stepdirection, cg->G_old, &gd_old));  in TaoBNCGStepDirectionUpdate()
603         dk_yk = dk_yk - gd_old;  in TaoBNCGStepDirectionUpdate()
614       PetscCall(VecDot(cg->G_old, tao->stepdirection, &gd_old));  in TaoBNCGStepDirectionUpdate()
618 …if (cg->use_dynamic_restart) PetscCall(TaoBNCGCheckDynamicRestart(tao, step, gd, gd_old, &cg->dyna…  in TaoBNCGStepDirectionUpdate()
629 …beta = PetscMax(PetscMax(beta, cg->hz_eta * tau_k * gd_old / (dnorm * dnorm)), cg->dk_eta * tau_k …  in TaoBNCGStepDirectionUpdate()
649           PetscCall(VecDot(cg->G_old, cg->d_work, &gd_old));  in TaoBNCGStepDirectionUpdate()
651 …beta = PetscMax(PetscMax(beta, cg->hz_eta * gd_old / (dnorm * dnorm)), cg->dk_eta * gd / (dnorm * …  in TaoBNCGStepDirectionUpdate()
662       PetscCall(VecDot(cg->G_old, tao->stepdirection, &gd_old));  in TaoBNCGStepDirectionUpdate()
672 …beta = PetscMax(PetscMax(beta, cg->hz_eta * tau_k * gd_old / (dnorm * dnorm)), cg->dk_eta * tau_k …  in TaoBNCGStepDirectionUpdate()
693         PetscCall(VecDot(cg->G_old, cg->d_work, &gd_old));  in TaoBNCGStepDirectionUpdate()
694 …beta = PetscMax(PetscMax(beta, cg->hz_eta * gd_old / (dnorm * dnorm)), cg->dk_eta * gd / (dnorm * …  in TaoBNCGStepDirectionUpdate()
704       PetscCall(VecDot(cg->G_old, tao->stepdirection, &gd_old));  in TaoBNCGStepDirectionUpdate()
708 …if (cg->use_dynamic_restart) PetscCall(TaoBNCGCheckDynamicRestart(tao, step, gd, gd_old, &cg->dyna…  in TaoBNCGStepDirectionUpdate()