Ipopt Documentation  
 
Loading...
Searching...
No Matches
IpMonotoneMuUpdate.hpp
Go to the documentation of this file.
1// Copyright (C) 2004, 2010 International Business Machines and others.
2// All Rights Reserved.
3// This code is published under the Eclipse Public License.
4//
5// Authors: Carl Laird, Andreas Waechter IBM 2004-08-13
6
7#ifndef __IPMONOTONEMUUPDATE_HPP__
8#define __IPMONOTONEMUUPDATE_HPP__
9
10#include "IpMuUpdate.hpp"
11#include "IpLineSearch.hpp"
12#include "IpRegOptions.hpp"
13
14namespace Ipopt
15{
16
22{
23public:
26
28 const SmartPtr<LineSearch>& linesearch
29 );
30
34
35 virtual bool InitializeImpl(
36 const OptionsList& options,
37 const std::string& prefix
38 );
39
48 virtual bool UpdateBarrierParameter();
49
50 static void RegisterOptions(
51 const SmartPtr<RegisteredOptions>& roptions
52 );
53
54private:
66
69 const MonotoneMuUpdate&
70 );
71
73 const MonotoneMuUpdate&);
75
78 Number& new_mu,
79 Number& new_tau
80 );
81
84
95
97
100
106};
107
108} // namespace Ipopt
109
110#endif
SmartPtr< LineSearch > linesearch_
MonotoneMuUpdate(const SmartPtr< LineSearch > &linesearch)
Default Constructor.
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.
void CalcNewMuAndTau(Number &new_mu, Number &new_tau)
Internal method for computing the new values for mu and tau.
void operator=(const MonotoneMuUpdate &)
bool initialized_
Flag indicating whether the method has been called at least once so far.
MonotoneMuUpdate(const MonotoneMuUpdate &)
Copy Constructor.
virtual bool UpdateBarrierParameter()
Method for determining the barrier parameter for the next iteration.
virtual ~MonotoneMuUpdate()
Destructor.
Number mu_init_
Initial value of the barrier parameter.
Number tau_min_
Tau_min for fraction to boundary rule.
static void RegisterOptions(const SmartPtr< RegisteredOptions > &roptions)
bool first_iter_resto_
If true, no modification of the barrier parameter will be done at the first call of Update (fix for t...
MuUpdate()
Default Constructor.
This class stores a list of user set options.
Template class for Smart Pointers.
This file contains a base class for all exceptions and a set of macros to help with exceptions.
ipnumber Number
Type of all numbers.
Definition IpTypes.hpp:17