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Searched refs:gamma2 (Results 1 – 9 of 9) sorted by relevance

/petsc/src/tao/unconstrained/impls/ntr/
H A Dntrimpl.h67 PetscReal gamma2; /* factor used for radius update */ member
H A Dntr.c378 if (tau_max < tr->gamma2) { in TaoSolve_NTR()
379 tao->trust = tr->gamma2 * PetscMin(tao->trust, norm_d); in TaoSolve_NTR()
391 tao->trust = tr->gamma2 * PetscMin(tao->trust, norm_d); in TaoSolve_NTR()
478 PetscCall(PetscOptionsReal("-tao_ntr_gamma2", "", "", tr->gamma2, &tr->gamma2, NULL)); in TaoSetFromOptions_NTR()
571 tr->gamma2 = 0.50; in TaoCreate_NTR()
/petsc/src/tao/unconstrained/impls/ntl/
H A Dntlimpl.h92 PetscReal gamma2; /* factor used for interpolation */ member
H A Dntl.c385 if (tau_max < tl->gamma2) { in TaoSolve_NTL()
386 tao->trust = tl->gamma2 * PetscMin(tao->trust, norm_d); in TaoSolve_NTL()
397 tao->trust = tl->gamma2 * PetscMin(tao->trust, norm_d); in TaoSolve_NTL()
670 PetscCall(PetscOptionsReal("-tao_ntl_gamma2", "", "", tl->gamma2, &tl->gamma2, NULL)); in TaoSetFromOptions_NTL()
789 tl->gamma2 = 0.50; in TaoCreate_NTL()
/petsc/src/tao/unconstrained/impls/nls/
H A Dnlsimpl.h136 PetscReal gamma2; /* factor used for interpolation */ member
H A Dnls.c648 if (tau_max < nlsP->gamma2) { in TaoSolve_NLS()
649 tao->trust = nlsP->gamma2 * PetscMin(tao->trust, norm_d); in TaoSolve_NLS()
660 tao->trust = nlsP->gamma2 * PetscMin(tao->trust, norm_d); in TaoSolve_NLS()
775 PetscCall(PetscOptionsReal("-tao_nls_gamma2", "", "", nlsP->gamma2, &nlsP->gamma2, NULL)); in TaoSetFromOptions_NLS()
929 nlsP->gamma2 = 0.50; in TaoCreate_NLS()
/petsc/src/tao/bound/impls/bnk/
H A Dbnk.h163 PetscReal gamma2; /* factor used for interpolation */ member
H A Dbnk.c917 if (tau_max < bnk->gamma2) { in TaoBNKUpdateTrustRadius()
918 tao->trust = bnk->gamma2 * PetscMin(tao->trust, bnk->dnorm); in TaoBNKUpdateTrustRadius()
929 tao->trust = bnk->gamma2 * PetscMin(tao->trust, bnk->dnorm); in TaoBNKUpdateTrustRadius()
1114 …for rejected bad step (-tao_bnk_update_type interpolation)", "", bnk->gamma2, &bnk->gamma2, NULL)); in TaoSetFromOptions_BNK()
1296 bnk->gamma2 = 0.50; in TaoCreate_BNK()
/petsc/doc/manual/
H A Dtao.md1080 > | ``gamma2`` | real | 0.50 | :math:`\gamma_2` |
1425 > | ``gamma2`` | real | 0.50 | :math:`\gamma_2` |