ClpSimplexProgress Class Reference

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

#include <ClpSimplex.hpp>

Collaboration diagram for ClpSimplexProgress:

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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.
ClpSimplexProgressoperator= (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.
ClpSimplexmodel_
 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.

Detailed Description

For saving extra information to see if looping.

Definition at line 1307 of file ClpSimplex.hpp.


Constructor & Destructor Documentation

ClpSimplexProgress::ClpSimplexProgress (  ) 

Default constructor.

ClpSimplexProgress::ClpSimplexProgress ( ClpSimplex model  ) 

Constructor from model.

ClpSimplexProgress::ClpSimplexProgress ( const ClpSimplexProgress  ) 

Copy constructor.

ClpSimplexProgress::~ClpSimplexProgress (  ) 

Destructor.


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 1353 of file ClpSimplex.hpp.

References oddState_.

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 1355 of file ClpSimplex.hpp.

References oddState_.

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 1357 of file ClpSimplex.hpp.

References oddState_.

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 1359 of file ClpSimplex.hpp.

References oddState_.

int ClpSimplexProgress::badTimes (  )  const [inline]

number of bad times

Definition at line 1362 of file ClpSimplex.hpp.

References numberBadTimes_.

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 1364 of file ClpSimplex.hpp.

References numberBadTimes_.


Member Data Documentation

double ClpSimplexProgress::objective_[CLP_PROGRESS]

Objective values.

Definition at line 1372 of file ClpSimplex.hpp.

double ClpSimplexProgress::infeasibility_[CLP_PROGRESS]

Sum of infeasibilities for algorithm.

Definition at line 1374 of file ClpSimplex.hpp.

double ClpSimplexProgress::realInfeasibility_[CLP_PROGRESS]

Sum of real primal infeasibilities for primal.

Definition at line 1376 of file ClpSimplex.hpp.

int ClpSimplexProgress::in_[CLP_CYCLE]

For cycle checking.

Definition at line 1380 of file ClpSimplex.hpp.

int ClpSimplexProgress::out_[CLP_CYCLE]

Objective values.

Definition at line 1381 of file ClpSimplex.hpp.

char ClpSimplexProgress::way_[CLP_CYCLE]

Objective values.

Definition at line 1382 of file ClpSimplex.hpp.

ClpSimplex* ClpSimplexProgress::model_

Pointer back to model so we can get information.

Definition at line 1384 of file ClpSimplex.hpp.

int ClpSimplexProgress::numberInfeasibilities_[CLP_PROGRESS]

Number of infeasibilities.

Definition at line 1386 of file ClpSimplex.hpp.

int ClpSimplexProgress::iterationNumber_[CLP_PROGRESS]

Iteration number at which occurred.

Definition at line 1388 of file ClpSimplex.hpp.

int ClpSimplexProgress::numberTimes_

Number of times checked (so won't stop too early).

Definition at line 1390 of file ClpSimplex.hpp.

int ClpSimplexProgress::numberBadTimes_

Number of times it looked like loop.

Definition at line 1392 of file ClpSimplex.hpp.

Referenced by badTimes(), and clearBadTimes().

int ClpSimplexProgress::oddState_

If things are in an odd state.

Definition at line 1394 of file ClpSimplex.hpp.

Referenced by clearOddState(), endOddState(), newOddState(), and oddState().


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