Searched refs:dfp_scale (Results 1 – 2 of 2) sorted by relevance
26 …PetscReal bfgs_scale, dfp_scale; /* Scaling of the bfgs/dfp tau parameter in the bfgs and broyden … member
199 …"(developer) update parameter for bfgs/brdn CG methods", "", cg->dfp_scale, &cg->dfp_scale, NULL)); in TaoSetFromOptions_BNCG()375 cg->dfp_scale = 1.0; in TaoCreate_BNCG()808 tau_k = cg->dfp_scale * tau_k; in TaoBNCGStepDirectionUpdate()838 …scCall(TaoBNCGComputeScalarScaling(cg->yty, step * dk_yk, snorm * snorm, &tau_dfp, cg->dfp_scale)); in TaoBNCGStepDirectionUpdate()