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1// Copyright (C) 2004, 2010 International Business Machines and others.
2// All Rights Reserved.
3// This code is published under the Eclipse Public License.
5// Authors: Carl Laird, Andreas Waechter IBM 2004-08-13
7#ifndef __IPRESTOC_1NRM_HPP__
8#define __IPRESTOC_1NRM_HPP__
10#include "IpRestoPhase.hpp"
11#include "IpIpoptAlg.hpp"
14namespace Ipopt
139} // namespace Ipopt
The main ipopt algorithm class.
Restoration Phase that minimizes the 1-norm of the constraint violation - using the interior point me...
virtual bool InitializeImpl(const OptionsList &options, const std::string &prefix)
Implementation of the initialization method that has to be overloaded by for each derived class.
Number resto_failure_feasibility_threshold_
Primal infeasibility tolerance for declaring failure of restoration phase when the non-regular termin...
MinC_1NrmRestorationPhase(const MinC_1NrmRestorationPhase &)
Copy Constructor.
void ComputeBoundMultiplierStep(Vector &delta_z, const Vector &curr_z, const Vector &curr_slack, const Vector &trial_slack)
Method for computing "primal-dual" step in bound multipliers, given step in slacks.
MinC_1NrmRestorationPhase(IpoptAlgorithm &resto_alg, const SmartPtr< EqMultiplierCalculator > &eq_mult_calculator)
Constructor, taking strategy objects.
SmartPtr< OptionsList > resto_options_
Copy of original options, which is required to initialize the Ipopt algorithm strategy object before ...
Number bound_mult_reset_threshold_
Maximal allowed value of a bound multiplier after restoration phase.
bool expect_infeasible_problem_
Indicates whether problem can be expected to be infeasible.
virtual bool PerformRestoration()
Method called to perform restoration for the filter line search method.
Default Constructor.
Number constr_viol_tol_
Constraint violation tolerance.
SmartPtr< EqMultiplierCalculator > eq_mult_calculator_
static void RegisterOptions(SmartPtr< RegisteredOptions > roptions)
virtual ~MinC_1NrmRestorationPhase()
SmartPtr< IpoptAlgorithm > resto_alg_
Index count_restorations_
Counter for the number of time that PerformRestoration is called.
void operator=(const MinC_1NrmRestorationPhase &)
Default Assignment Operator.
This class stores a list of user set options.
Base class for different restoration phases.
Template class for Smart Pointers.
Vector Base Class.
Definition IpVector.hpp:48
This file contains a base class for all exceptions and a set of macros to help with exceptions.
ipindex Index
Type of all indices of vectors, matrices etc.
Definition IpTypes.hpp:20
ipnumber Number
Type of all numbers.
Definition IpTypes.hpp:17