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Searched refs:tau_2 (Results 1 – 4 of 4) sorted by relevance

/petsc/src/tao/unconstrained/impls/ntr/
H A Dntr.c51 PetscReal tau, tau_1, tau_2, tau_max, tau_min, max_radius; in TaoSolve_NTR() local
146 …tau_2 = tr->theta_i * gnorm * tao->trust / (tr->theta_i * gnorm * tao->trust - (1.0 + tr->theta_… in TaoSolve_NTR()
147 tau_min = PetscMin(tau_1, tau_2); in TaoSolve_NTR()
148 tau_max = PetscMax(tau_1, tau_2); in TaoSolve_NTR()
180 …} else if ((tau_1 >= tr->gamma1_i) && (tau_1 < 1.0) && ((tau_2 < tr->gamma1_i) || (tau_2 >= 1.0)))… in TaoSolve_NTR()
182 …} else if ((tau_2 >= tr->gamma1_i) && (tau_2 < 1.0) && ((tau_1 < tr->gamma1_i) || (tau_2 >= 1.0)))… in TaoSolve_NTR()
183 tau = tau_2; in TaoSolve_NTR()
361 tau_2 = tr->theta * beta / (tr->theta * beta + (1.0 + tr->theta) * prered - actred); in TaoSolve_NTR()
362 tau_min = PetscMin(tau_1, tau_2); in TaoSolve_NTR()
363 tau_max = PetscMax(tau_1, tau_2); in TaoSolve_NTR()
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/petsc/src/tao/unconstrained/impls/ntl/
H A Dntl.c38 PetscReal tau, tau_1, tau_2, tau_max, tau_min, max_radius; in TaoSolve_NTL() local
140 …tau_2 = tl->theta_i * gnorm * tao->trust / (tl->theta_i * gnorm * tao->trust - (1.0 + tl->theta_… in TaoSolve_NTL()
141 tau_min = PetscMin(tau_1, tau_2); in TaoSolve_NTL()
142 tau_max = PetscMax(tau_1, tau_2); in TaoSolve_NTL()
152 } else if (tau_1 >= 1.0 && tau_1 <= tl->gamma4_i && tau_2 < 1.0) { in TaoSolve_NTL()
154 } else if (tau_2 >= 1.0 && tau_2 <= tl->gamma4_i && tau_1 < 1.0) { in TaoSolve_NTL()
155 tau = tau_2; in TaoSolve_NTL()
178 …} else if ((tau_1 >= tl->gamma1_i) && (tau_1 < 1.0) && ((tau_2 < tl->gamma1_i) || (tau_2 >= 1.0)))… in TaoSolve_NTL()
180 …} else if ((tau_2 >= tl->gamma1_i) && (tau_2 < 1.0) && ((tau_1 < tl->gamma1_i) || (tau_2 >= 1.0)))… in TaoSolve_NTL()
181 tau = tau_2; in TaoSolve_NTL()
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/petsc/src/tao/unconstrained/impls/nls/
H A Dnls.c48 PetscReal tau, tau_1, tau_2, tau_max, tau_min, max_radius; in TaoSolve_NLS() local
166 …tau_2 = nlsP->theta_i * gnorm * tao->trust / (nlsP->theta_i * gnorm * tao->trust - (1.0 + nlsP->… in TaoSolve_NLS()
167 tau_min = PetscMin(tau_1, tau_2); in TaoSolve_NLS()
168 tau_max = PetscMax(tau_1, tau_2); in TaoSolve_NLS()
178 } else if (tau_1 >= 1.0 && tau_1 <= nlsP->gamma4_i && tau_2 < 1.0) { in TaoSolve_NLS()
180 } else if (tau_2 >= 1.0 && tau_2 <= nlsP->gamma4_i && tau_1 < 1.0) { in TaoSolve_NLS()
181 tau = tau_2; in TaoSolve_NLS()
204 …} else if ((tau_1 >= nlsP->gamma1_i) && (tau_1 < 1.0) && ((tau_2 < nlsP->gamma1_i) || (tau_2 >= 1.… in TaoSolve_NLS()
206 …} else if ((tau_2 >= nlsP->gamma1_i) && (tau_2 < 1.0) && ((tau_1 < nlsP->gamma1_i) || (tau_2 >= 1.… in TaoSolve_NLS()
207 tau = tau_2; in TaoSolve_NLS()
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/petsc/src/tao/bound/impls/bnk/
H A Dbnk.c44 PetscReal tau, tau_1, tau_2, tau_max, tau_min, max_radius; in TaoBNKInitialize() local
188 …tau_2 = bnk->theta_i * bnk->gnorm * tao->trust / (bnk->theta_i * bnk->gnorm * tao->trust - (1.0 … in TaoBNKInitialize()
189 tau_min = PetscMin(tau_1, tau_2); in TaoBNKInitialize()
190 tau_max = PetscMax(tau_1, tau_2); in TaoBNKInitialize()
222 …} else if ((tau_1 >= bnk->gamma1_i) && (tau_1 < 1.0) && ((tau_2 < bnk->gamma1_i) || (tau_2 >= 1.0)… in TaoBNKInitialize()
224 …} else if ((tau_2 >= bnk->gamma1_i) && (tau_2 < 1.0) && ((tau_1 < bnk->gamma1_i) || (tau_2 >= 1.0)… in TaoBNKInitialize()
225 tau = tau_2; in TaoBNKInitialize()
797 PetscReal gdx, tau_1, tau_2, tau_min, tau_max; in TaoBNKUpdateTrustRadius() local
900 tau_2 = bnk->theta * gdx / (bnk->theta * gdx + (1.0 + bnk->theta) * prered - actred); in TaoBNKUpdateTrustRadius()
901 tau_min = PetscMin(tau_1, tau_2); in TaoBNKUpdateTrustRadius()
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