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Searched refs:dk_eta (Results 1 – 2 of 2) sorted by relevance

/petsc/src/tao/bound/impls/bncg/
H A Dbncg.h25 PetscReal hz_eta, dk_eta; member
H A Dbncg.c193 …eal("-tao_bncg_dk_eta", "(developer) cutoff tolerance for DK", "", cg->dk_eta, &cg->dk_eta, NULL)); in TaoSetFromOptions_BNCG()
366 cg->dk_eta = 0.5; in TaoCreate_BNCG()
629 …beta = PetscMax(PetscMax(beta, cg->hz_eta * tau_k * gd_old / (dnorm * dnorm)), cg->dk_eta * tau_k … in TaoBNCGStepDirectionUpdate()
651 …beta = PetscMax(PetscMax(beta, cg->hz_eta * gd_old / (dnorm * dnorm)), cg->dk_eta * gd / (dnorm * … in TaoBNCGStepDirectionUpdate()
672 …beta = PetscMax(PetscMax(beta, cg->hz_eta * tau_k * gd_old / (dnorm * dnorm)), cg->dk_eta * tau_k … in TaoBNCGStepDirectionUpdate()
694 …beta = PetscMax(PetscMax(beta, cg->hz_eta * gd_old / (dnorm * dnorm)), cg->dk_eta * gd / (dnorm * … in TaoBNCGStepDirectionUpdate()