CoinUtils
2.9.0
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CoinUtils
src
CoinPresolveDoubleton.hpp
Go to the documentation of this file.
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/* $Id: CoinPresolveDoubleton.hpp 1498 2011-11-02 15:25:35Z mjs $ */
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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 CoinPresolveDoubleton_H
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#define CoinPresolveDoubleton_H
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#define DOUBLETON 5
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class
doubleton_action
:
public
CoinPresolveAction
{
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public
:
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struct
action
{
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double
clox
;
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double
cupx
;
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double
costx
;
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double
costy
;
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double
rlo
;
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double
coeffx
;
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double
coeffy
;
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double
*
colel
;
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int
icolx
;
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int
icoly
;
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int
row
;
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int
ncolx
;
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int
ncoly
;
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};
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const
int
nactions_
;
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const
action
*
const
actions_
;
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private
:
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doubleton_action
(
int
nactions,
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const
action
*actions,
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const
CoinPresolveAction
*
next
) :
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CoinPresolveAction
(next),
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nactions_
(nactions),
actions_
(actions)
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{}
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public
:
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const
char
*
name
()
const
{
return
(
"doubleton_action"
); }
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static
const
CoinPresolveAction
*
presolve
(
CoinPresolveMatrix
*,
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const
CoinPresolveAction
*
next
);
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void
postsolve
(
CoinPostsolveMatrix
*prob)
const
;
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virtual
~doubleton_action
();
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};
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#endif
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