CoinUtils
2.11.3
src
CoinPresolveDual.hpp
Go to the documentation of this file.
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/* $Id: CoinPresolveDual.hpp 2083 2019-01-06 19:38:09Z unxusr $ */
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// Copyright (C) 2002, International Business Machines
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// Corporation and others. All Rights Reserved.
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// This code is licensed under the terms of the Eclipse Public License (EPL).
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#ifndef CoinPresolveDual_H
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#define CoinPresolveDual_H
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class
remove_dual_action
:
public
CoinPresolveAction
{
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public
:
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~remove_dual_action
();
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inline
const
char
*
name
()
const
{
return
(
"remove_dual_action"
); }
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static
const
CoinPresolveAction
*
presolve
(
CoinPresolveMatrix
*prob,
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const
CoinPresolveAction
*
next
);
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void
postsolve
(
CoinPostsolveMatrix
*prob)
const
;
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private
:
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struct
action {
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double
rlo_;
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double
rup_;
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int
ndx_;
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};
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remove_dual_action
(
int
nactions,
const
action *actions,
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const
CoinPresolveAction
*
next
)
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:
CoinPresolveAction
(
next
)
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, nactions_(nactions)
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, actions_(actions)
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{
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}
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const
int
nactions_;
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const
action *actions_;
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};
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#endif
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/* vi: softtabstop=2 shiftwidth=2 expandtab tabstop=2
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*/
CoinPresolveAction
Abstract base class of all presolve routines.
Definition:
CoinPresolveMatrix.hpp:163
remove_dual_action::postsolve
void postsolve(CoinPostsolveMatrix *prob) const
Postsolve.
remove_dual_action::~remove_dual_action
~remove_dual_action()
Destructor.
CoinPresolveAction::next
const CoinPresolveAction * next
The next presolve transformation.
Definition:
CoinPresolveMatrix.hpp:180
CoinPostsolveMatrix
Augments CoinPrePostsolveMatrix with information about the problem that is only needed during postsol...
Definition:
CoinPresolveMatrix.hpp:1554
CoinPresolveMatrix
Augments CoinPrePostsolveMatrix with information about the problem that is only needed during presolv...
Definition:
CoinPresolveMatrix.hpp:907
remove_dual_action::presolve
static const CoinPresolveAction * presolve(CoinPresolveMatrix *prob, const CoinPresolveAction *next)
Attempt to fix variables by bounding reduced costs.
remove_dual_action::name
const char * name() const
Name.
Definition:
CoinPresolveDual.hpp:42
remove_dual_action
Attempt to fix variables by bounding reduced costs.
Definition:
CoinPresolveDual.hpp:35
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