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gubrow_action Class Reference

Detect and remove entries whose sum is known. More...

#include <CoinPresolveDupcol.hpp>

+ Inheritance diagram for gubrow_action:
+ Collaboration diagram for gubrow_action:

List of all members.

Classes

struct  action

Public Member Functions

const char * name () const
 A name for debug printing.
void postsolve (CoinPostsolveMatrix *prob) const
 Apply the postsolve transformation for this particular presolve action.

Static Public Member Functions

static const CoinPresolveActionpresolve (CoinPresolveMatrix *prob, const CoinPresolveAction *next)

Detailed Description

Detect and remove entries whose sum is known.

If we have an equality row where all entries same then For other rows where all entries for that equality row are same then we can delete entries and modify rhs gubrow_action is definitely a work in progress; postsolve is unimplemented.

Definition at line 125 of file CoinPresolveDupcol.hpp.


Member Function Documentation

const char* gubrow_action::name ( ) const [virtual]

A name for debug printing.

It is expected that the name is not stored in the transform itself.

Implements CoinPresolveAction.

static const CoinPresolveAction* gubrow_action::presolve ( CoinPresolveMatrix prob,
const CoinPresolveAction next 
) [static]
void gubrow_action::postsolve ( CoinPostsolveMatrix prob) const [virtual]

Apply the postsolve transformation for this particular presolve action.

Implements CoinPresolveAction.


The documentation for this class was generated from the following file:
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