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Algorithm
IpPenaltyLSAcceptor.hpp
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// Copyright (C) 2008 International Business Machines and others.
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// All Rights Reserved.
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// This code is published under the Eclipse Public License.
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//
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// $Id: IpPenaltyLSAcceptor.hpp 1861 2010-12-21 21:34:47Z andreasw $
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//
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// Authors: Andreas Waechter IBM 2008-04-04
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// derived file from IpFilterLSAcceptor.hpp
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#ifndef __IPPENALTYLSACCEPTOR_HPP__
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#define __IPPENALTYLSACCEPTOR_HPP__
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#include "
IpBacktrackingLSAcceptor.hpp
"
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#include "
IpPDSystemSolver.hpp
"
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namespace
Ipopt
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{
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class
PenaltyLSAcceptor
:
public
BacktrackingLSAcceptor
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{
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public
:
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PenaltyLSAcceptor
(
const
SmartPtr<PDSystemSolver>
& pd_solver);
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virtual
~PenaltyLSAcceptor
();
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virtual
bool
InitializeImpl
(
const
OptionsList
& options,
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const
std::string& prefix);
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virtual
void
Reset
();
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virtual
void
InitThisLineSearch
(
bool
in_watchdog);
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virtual
void
PrepareRestoPhaseStart
();
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virtual
Number
CalculateAlphaMin
();
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virtual
bool
CheckAcceptabilityOfTrialPoint
(
Number
alpha_primal);
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virtual
bool
TrySecondOrderCorrection
(
Number
alpha_primal_test,
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Number
& alpha_primal,
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SmartPtr<IteratesVector>
& actual_delta);
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virtual
bool
TryCorrector
(
Number
alpha_primal_test,
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Number
& alpha_primal,
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SmartPtr<IteratesVector>
& actual_delta);
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virtual
char
UpdateForNextIteration
(
Number
alpha_primal_test);
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virtual
void
StartWatchDog
();
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virtual
void
StopWatchDog
();
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bool
IsAcceptableToCurrentIterate
(
Number
trial_barr,
Number
trial_theta,
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bool
called_from_restoration=
false
)
const
;
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static
void
RegisterOptions
(
SmartPtr<RegisteredOptions>
roptions);
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private
:
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PenaltyLSAcceptor
(
const
PenaltyLSAcceptor
&);
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void
operator=
(
const
PenaltyLSAcceptor
&);
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Number
CalcPred
(
Number
alpha);
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Number
nu_init_
;
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Number
nu_inc_
;
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Number
eta_
;
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Number
rho_
;
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Index
max_soc_
;
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Number
kappa_soc_
;
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Number
reference_theta_
;
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Number
reference_barr_
;
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Number
reference_gradBarrTDelta_
;
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Number
reference_dWd_
;
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SmartPtr<const Vector>
reference_JacC_delta_
;
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SmartPtr<const Vector>
reference_JacD_delta_
;
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Number
reference_pred_
;
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Number
watchdog_theta_
;
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Number
watchdog_barr_
;
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Number
watchdog_pred_
;
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Number
nu_
;
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Number
last_nu_
;
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Number
resto_pred_
;
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SmartPtr<PDSystemSolver>
pd_solver_
;
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};
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}
// namespace Ipopt
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#endif
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