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CglLandP::Parameters Class Reference

Class storing parameters. More...

#include <CglLandP.hpp>

+ Inheritance diagram for CglLandP::Parameters:
+ Collaboration diagram for CglLandP::Parameters:

Public Member Functions

 Parameters ()
 Default constructor (with default values) More...
 
 Parameters (const Parameters &other)
 Copy constructor. More...
 
Parametersoperator= (const Parameters &other)
 Assignment opertator. More...
 
- Public Member Functions inherited from CglParam
virtual void setINFINIT (const double inf)
 Set INFINIT. More...
 
double getINFINIT () const
 Get value of INFINIT. More...
 
virtual void setEPS (const double eps)
 Set EPS. More...
 
double getEPS () const
 Get value of EPS. More...
 
virtual void setEPS_COEFF (const double eps_c)
 Set EPS_COEFF. More...
 
double getEPS_COEFF () const
 Get value of EPS_COEFF. More...
 
virtual void setMAX_SUPPORT (const int max_s)
 Set MAX_SUPPORT. More...
 
int getMAX_SUPPORT () const
 Get value of MAX_SUPPORT. More...
 
 CglParam (const double inf=COIN_DBL_MAX, const double eps=1e-6, const double eps_c=1e-5, const int max_s=COIN_INT_MAX)
 Default constructor. More...
 
 CglParam (const CglParam &)
 Copy constructor. More...
 
virtual CglParamclone () const
 Clone. More...
 
CglParamoperator= (const CglParam &rhs)
 Assignment operator. More...
 
virtual ~CglParam ()
 Destructor. More...
 

Public Attributes

integer parameters
int pivotLimit
 Max number of pivots before we generate the cut 20. More...
 
int pivotLimitInTree
 Max number of pivots at regular nodes. More...
 
int maxCutPerRound
 Maximum number of cuts generated at a given round. More...
 
int failedPivotLimit
 Maximum number of failed pivots before aborting. More...
 
int degeneratePivotLimit
 maximum number of consecutive degenerate pivots 0 More...
 
int extraCutsLimit
 Maximum number of extra rows to generate per round. More...
 
double parameters
double pivotTol
 Tolerance for small pivots values (should be the same as the solver. More...
 
double away
 A variable have to be at least away from integrity to be generated. More...
 
double timeLimit
 Total time limit for cut generation. More...
 
double singleCutTimeLimit
 Time limit for generating a single cut. More...
 
double rhsWeight
 Weight to put in RHS of normalization if static. More...
 
Flags
bool useTableauRow
 Do we use tableau row or the disjunction (I don't really get that there should be a way to always use the tableau) More...
 
bool modularize
 Do we apply Egon Balas's Heuristic for modularized cuts. More...
 
bool strengthen
 Do we strengthen the final cut (always do if modularize is 1) More...
 
bool countMistakenRc
 Wether to limit or not the number of mistaken RC (when perturbation is applied). More...
 
SeparationSpaces sepSpace
 Work in the reduced space (only non-structurals enter the basis) More...
 
bool perturb
 Apply perturbation procedure. More...
 
Normalization normalization
 How to weight normalization. More...
 
RhsWeightType rhsWeightType
 How to weight RHS of normalization. More...
 
LHSnorm lhs_norm
 How to weight LHS of normalization. More...
 
ExtraCutsMode generateExtraCuts
 Generate extra constraints from optimal lift-and-project basis. More...
 
SelectionRules pivotSelection
 Which rule to apply for choosing entering and leaving variables. More...
 

Additional Inherited Members

- Protected Attributes inherited from CglParam
double INFINIT
 
double EPS
 
double EPS_COEFF
 
int MAX_SUPPORT
 Maximum number of non zero coefficients in a generated cut; Default: COIN_INT_MAX. More...
 

Detailed Description

Class storing parameters.

Remarks
I take all parameters from Ionut's code

Definition at line 107 of file CglLandP.hpp.

Constructor & Destructor Documentation

CglLandP::Parameters::Parameters ( )

Default constructor (with default values)

CglLandP::Parameters::Parameters ( const Parameters other)

Copy constructor.

Member Function Documentation

Parameters& CglLandP::Parameters::operator= ( const Parameters other)

Assignment opertator.

Member Data Documentation

int CglLandP::Parameters::pivotLimit

Max number of pivots before we generate the cut 20.

Definition at line 121 of file CglLandP.hpp.

int CglLandP::Parameters::pivotLimitInTree

Max number of pivots at regular nodes.

Put a value if you want it lower than the global pivot limit. 100.

Definition at line 124 of file CglLandP.hpp.

int CglLandP::Parameters::maxCutPerRound

Maximum number of cuts generated at a given round.

Definition at line 126 of file CglLandP.hpp.

int CglLandP::Parameters::failedPivotLimit

Maximum number of failed pivots before aborting.

Definition at line 128 of file CglLandP.hpp.

int CglLandP::Parameters::degeneratePivotLimit

maximum number of consecutive degenerate pivots 0

Definition at line 131 of file CglLandP.hpp.

int CglLandP::Parameters::extraCutsLimit

Maximum number of extra rows to generate per round.

Definition at line 133 of file CglLandP.hpp.

double CglLandP::Parameters::pivotTol

Tolerance for small pivots values (should be the same as the solver.

Definition at line 138 of file CglLandP.hpp.

double CglLandP::Parameters::away

A variable have to be at least away from integrity to be generated.

Definition at line 140 of file CglLandP.hpp.

double CglLandP::Parameters::timeLimit

Total time limit for cut generation.

Definition at line 142 of file CglLandP.hpp.

double CglLandP::Parameters::singleCutTimeLimit

Time limit for generating a single cut.

Definition at line 144 of file CglLandP.hpp.

double CglLandP::Parameters::rhsWeight

Weight to put in RHS of normalization if static.

Definition at line 146 of file CglLandP.hpp.

bool CglLandP::Parameters::useTableauRow

Do we use tableau row or the disjunction (I don't really get that there should be a way to always use the tableau)

Definition at line 152 of file CglLandP.hpp.

bool CglLandP::Parameters::modularize

Do we apply Egon Balas's Heuristic for modularized cuts.

Definition at line 154 of file CglLandP.hpp.

bool CglLandP::Parameters::strengthen

Do we strengthen the final cut (always do if modularize is 1)

Definition at line 156 of file CglLandP.hpp.

bool CglLandP::Parameters::countMistakenRc

Wether to limit or not the number of mistaken RC (when perturbation is applied).

Definition at line 158 of file CglLandP.hpp.

SeparationSpaces CglLandP::Parameters::sepSpace

Work in the reduced space (only non-structurals enter the basis)

Definition at line 160 of file CglLandP.hpp.

bool CglLandP::Parameters::perturb

Apply perturbation procedure.

Definition at line 162 of file CglLandP.hpp.

Normalization CglLandP::Parameters::normalization

How to weight normalization.

Definition at line 164 of file CglLandP.hpp.

RhsWeightType CglLandP::Parameters::rhsWeightType

How to weight RHS of normalization.

Definition at line 166 of file CglLandP.hpp.

LHSnorm CglLandP::Parameters::lhs_norm

How to weight LHS of normalization.

Definition at line 168 of file CglLandP.hpp.

ExtraCutsMode CglLandP::Parameters::generateExtraCuts

Generate extra constraints from optimal lift-and-project basis.

Definition at line 170 of file CglLandP.hpp.

SelectionRules CglLandP::Parameters::pivotSelection

Which rule to apply for choosing entering and leaving variables.

Definition at line 172 of file CglLandP.hpp.


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