ClpSimplexProgress Class Reference

For saving extra information to see if looping. More...

#include <ClpSimplex.hpp>

List of all members.

Public Member Functions
Constructors and destructor and copy
	ClpSimplexProgress ()
	Default constructor.
	ClpSimplexProgress (ClpSimplex *model)
	Constructor from model.
	ClpSimplexProgress (const ClpSimplexProgress &)
	Copy constructor.
ClpSimplexProgress &	operator= (const ClpSimplexProgress &rhs)
	Assignment operator. This copies the data.
	~ClpSimplexProgress ()
	Destructor.
Check progress
int	looping ()
	Returns -1 if okay, -n+1 (n number of times bad) if bad but action taken, >=0 if give up and use as problem status.
void	startCheck ()
	Start check at beginning of whileIterating.
int	cycle (int in, int out, int wayIn, int wayOut)
	Returns cycle length in whileIterating.
double	lastObjective (int back=1) const
	Returns previous objective (if -1) - current if (0).
void	setInfeasibility (double value)
	Set real primal infeasibility and move back.
double	lastInfeasibility (int back=1) const
	Returns real primal infeasibility (if -1) - current if (0).
void	modifyObjective (double value)
	Modify objective e.g. if dual infeasible in dual.
int	lastIterationNumber (int back=1) const
	Returns previous iteration number (if -1) - current if (0).
void	clearIterationNumbers ()
	clears all iteration numbers (to switch off panic)
void	newOddState ()
	Odd state.
void	endOddState ()
	Returns -1 if okay, -n+1 (n number of times bad) if bad but action taken, >=0 if give up and use as problem status.
void	clearOddState ()
	Returns -1 if okay, -n+1 (n number of times bad) if bad but action taken, >=0 if give up and use as problem status.
int	oddState () const
	Returns -1 if okay, -n+1 (n number of times bad) if bad but action taken, >=0 if give up and use as problem status.
int	badTimes () const
	number of bad times
void	clearBadTimes ()
	Returns -1 if okay, -n+1 (n number of times bad) if bad but action taken, >=0 if give up and use as problem status.
Public Attributes
Data
double	objective_ [CLP_PROGRESS]
	Objective values.
double	infeasibility_ [CLP_PROGRESS]
	Sum of infeasibilities for algorithm.
double	realInfeasibility_ [CLP_PROGRESS]
	Sum of real primal infeasibilities for primal.
int	in_ [CLP_CYCLE]
	For cycle checking.
int	out_ [CLP_CYCLE]
	Objective values.
char	way_ [CLP_CYCLE]
	Objective values.
ClpSimplex *	model_
	Pointer back to model so we can get information.
int	numberInfeasibilities_ [CLP_PROGRESS]
	Number of infeasibilities.
int	iterationNumber_ [CLP_PROGRESS]
	Iteration number at which occurred.
int	numberTimes_
	Number of times checked (so won't stop too early).
int	numberBadTimes_
	Number of times it looked like loop.
int	oddState_
	If things are in an odd state.

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Detailed Description

For saving extra information to see if looping.

Definition at line 1302 of file ClpSimplex.hpp.

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Constructor & Destructor Documentation

ClpSimplexProgress::ClpSimplexProgress (   )

Default constructor.

ClpSimplexProgress::ClpSimplexProgress (  ClpSimplex *  model  )

Constructor from model.

ClpSimplexProgress::ClpSimplexProgress (  const ClpSimplexProgress &   )

Copy constructor.

ClpSimplexProgress::~ClpSimplexProgress (   )

Destructor.

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Member Function Documentation

ClpSimplexProgress& ClpSimplexProgress::operator= (  const ClpSimplexProgress &  rhs  )

Assignment operator. This copies the data.

int ClpSimplexProgress::looping (   )

Returns -1 if okay, -n+1 (n number of times bad) if bad but action taken, >=0 if give up and use as problem status.

void ClpSimplexProgress::startCheck (   )

Start check at beginning of whileIterating.

int ClpSimplexProgress::cycle (  int  in, int  out, int  wayIn, int  wayOut )

Returns cycle length in whileIterating.

double ClpSimplexProgress::lastObjective (  int  back = 1  )  const

Returns previous objective (if -1) - current if (0).

void ClpSimplexProgress::setInfeasibility (  double  value  )

Set real primal infeasibility and move back.

double ClpSimplexProgress::lastInfeasibility (  int  back = 1  )  const

Returns real primal infeasibility (if -1) - current if (0).

void ClpSimplexProgress::modifyObjective (  double  value  )

Modify objective e.g. if dual infeasible in dual.

int ClpSimplexProgress::lastIterationNumber (  int  back = 1  )  const

Returns previous iteration number (if -1) - current if (0).

void ClpSimplexProgress::clearIterationNumbers (   )

clears all iteration numbers (to switch off panic)

void ClpSimplexProgress::newOddState (   )  [inline]

Odd state. Definition at line 1348 of file ClpSimplex.hpp.

void ClpSimplexProgress::endOddState (   )  [inline]

Returns -1 if okay, -n+1 (n number of times bad) if bad but action taken, >=0 if give up and use as problem status. Definition at line 1350 of file ClpSimplex.hpp.

void ClpSimplexProgress::clearOddState (   )  [inline]

Returns -1 if okay, -n+1 (n number of times bad) if bad but action taken, >=0 if give up and use as problem status. Definition at line 1352 of file ClpSimplex.hpp.

int ClpSimplexProgress::oddState (   )  const [inline]

Returns -1 if okay, -n+1 (n number of times bad) if bad but action taken, >=0 if give up and use as problem status. Definition at line 1354 of file ClpSimplex.hpp.

int ClpSimplexProgress::badTimes (   )  const [inline]

number of bad times Definition at line 1357 of file ClpSimplex.hpp.

void ClpSimplexProgress::clearBadTimes (   )  [inline]

Returns -1 if okay, -n+1 (n number of times bad) if bad but action taken, >=0 if give up and use as problem status. Definition at line 1359 of file ClpSimplex.hpp.

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Member Data Documentation

double ClpSimplexProgress::objective_[CLP_PROGRESS]

Objective values. Definition at line 1367 of file ClpSimplex.hpp.

double ClpSimplexProgress::infeasibility_[CLP_PROGRESS]

Sum of infeasibilities for algorithm. Definition at line 1369 of file ClpSimplex.hpp.

double ClpSimplexProgress::realInfeasibility_[CLP_PROGRESS]

Sum of real primal infeasibilities for primal. Definition at line 1371 of file ClpSimplex.hpp.

int ClpSimplexProgress::in_[CLP_CYCLE]

For cycle checking. Definition at line 1375 of file ClpSimplex.hpp.

int ClpSimplexProgress::out_[CLP_CYCLE]

Objective values. Definition at line 1376 of file ClpSimplex.hpp.

char ClpSimplexProgress::way_[CLP_CYCLE]

Objective values. Definition at line 1377 of file ClpSimplex.hpp.

ClpSimplex* ClpSimplexProgress::model_

Pointer back to model so we can get information. Definition at line 1379 of file ClpSimplex.hpp.

int ClpSimplexProgress::numberInfeasibilities_[CLP_PROGRESS]

Number of infeasibilities. Definition at line 1381 of file ClpSimplex.hpp.

int ClpSimplexProgress::iterationNumber_[CLP_PROGRESS]

Iteration number at which occurred. Definition at line 1383 of file ClpSimplex.hpp.

int ClpSimplexProgress::numberTimes_

Number of times checked (so won't stop too early). Definition at line 1385 of file ClpSimplex.hpp.

int ClpSimplexProgress::numberBadTimes_

Number of times it looked like loop. Definition at line 1387 of file ClpSimplex.hpp.

int ClpSimplexProgress::oddState_

If things are in an odd state. Definition at line 1389 of file ClpSimplex.hpp.

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

• /home/coin/Update/COIN/Clp/include/ClpSimplex.hpp

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