OsiLotsize Class Reference

Lotsize class. More...

#include <OsiBranchingObject.hpp>

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List of all members.

Public Member Functions

 OsiLotsize ()
 OsiLotsize (const OsiSolverInterface *solver, int iColumn, int numberPoints, const double *points, bool range=false)
 OsiLotsize (const OsiLotsize &)
virtual OsiObjectclone () const
 Clone.
OsiLotsizeoperator= (const OsiLotsize &rhs)
 Assignment operator.
 ~OsiLotsize ()
virtual double infeasibility (const OsiBranchingInformation *info, int &whichWay) const
 Infeasibility - large is 0.5.
virtual double feasibleRegion (OsiSolverInterface *solver, const OsiBranchingInformation *info) const
 Set bounds to contain the current solution.
virtual OsiBranchingObjectcreateBranch (OsiSolverInterface *solver, const OsiBranchingInformation *info, int way) const
 Creates a branching object.
void setColumnNumber (int value)
 Set solver column number.
virtual int columnNumber () const
 Column number if single column object -1 otherwise, so returns >= 0 Used by heuristics.
virtual void resetBounds (const OsiSolverInterface *solver)
 Reset original upper and lower bound values from the solver.
bool findRange (double value, double integerTolerance) const
 Finds range of interest so value is feasible in range range_ or infeasible between hi[range_] and lo[range_+1].
virtual void floorCeiling (double &floorLotsize, double &ceilingLotsize, double value, double tolerance) const
 Returns floor and ceiling.
double originalLowerBound () const
 Original bounds.
double originalUpperBound () const
int rangeType () const
 Type - 1 points, 2 ranges.
int numberRanges () const
 Number of points.
double * bound () const
 Ranges.
virtual void resetSequenceEtc (int numberColumns, const int *originalColumns)
 Change column numbers after preprocessing.
virtual double upEstimate () const
 Return "up" estimate (default 1.0e-5).
virtual double downEstimate () const
 Return "down" estimate (default 1.0e-5).
virtual bool canHandleShadowPrices () const
 Return true if knows how to deal with Pseudo Shadow Prices.
virtual bool canDoHeuristics () const
 Return true if object can take part in normal heuristics.

Private Attributes

int columnNumber_
 data
int rangeType_
 Type - 1 points, 2 ranges.
int numberRanges_
 Number of points.
double largestGap_
double * bound_
 Ranges.
int range_
 Current range.

Detailed Description

Lotsize class.

Definition at line 812 of file OsiBranchingObject.hpp.


Constructor & Destructor Documentation

OsiLotsize::OsiLotsize (  ) 
OsiLotsize::OsiLotsize ( const OsiSolverInterface solver,
int  iColumn,
int  numberPoints,
const double *  points,
bool  range = false 
)
OsiLotsize::OsiLotsize ( const OsiLotsize  ) 
OsiLotsize::~OsiLotsize (  ) 

Member Function Documentation

virtual OsiObject* OsiLotsize::clone (  )  const [virtual]

Clone.

Implements OsiObject.

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

Assignment operator.

Reimplemented from OsiObject2.

virtual double OsiLotsize::infeasibility ( const OsiBranchingInformation info,
int &  whichWay 
) const [virtual]

Infeasibility - large is 0.5.

Implements OsiObject.

virtual double OsiLotsize::feasibleRegion ( OsiSolverInterface solver,
const OsiBranchingInformation info 
) const [virtual]

Set bounds to contain the current solution.

More precisely, for the variable associated with this object, take the value given in the current solution, force it within the current bounds if required, then set the bounds to fix the variable at the integer nearest the solution value. Returns amount it had to move variable.

Implements OsiObject.

virtual OsiBranchingObject* OsiLotsize::createBranch ( OsiSolverInterface solver,
const OsiBranchingInformation info,
int  way 
) const [virtual]

Creates a branching object.

The preferred direction is set by way, 0 for down, 1 for up.

Implements OsiObject.

void OsiLotsize::setColumnNumber ( int  value  )  [inline]

Set solver column number.

Definition at line 859 of file OsiBranchingObject.hpp.

virtual int OsiLotsize::columnNumber (  )  const [virtual]

Column number if single column object -1 otherwise, so returns >= 0 Used by heuristics.

Reimplemented from OsiObject.

virtual void OsiLotsize::resetBounds ( const OsiSolverInterface solver  )  [virtual]

Reset original upper and lower bound values from the solver.

Handy for updating bounds held in this object after bounds held in the solver have been tightened.

Reimplemented from OsiObject.

bool OsiLotsize::findRange ( double  value,
double  integerTolerance 
) const

Finds range of interest so value is feasible in range range_ or infeasible between hi[range_] and lo[range_+1].

Returns true if feasible.

virtual void OsiLotsize::floorCeiling ( double &  floorLotsize,
double &  ceilingLotsize,
double  value,
double  tolerance 
) const [virtual]

Returns floor and ceiling.

double OsiLotsize::originalLowerBound (  )  const [inline]

Original bounds.

Definition at line 885 of file OsiBranchingObject.hpp.

double OsiLotsize::originalUpperBound (  )  const [inline]

Definition at line 887 of file OsiBranchingObject.hpp.

int OsiLotsize::rangeType (  )  const [inline]

Type - 1 points, 2 ranges.

Definition at line 890 of file OsiBranchingObject.hpp.

int OsiLotsize::numberRanges (  )  const [inline]

Number of points.

Definition at line 893 of file OsiBranchingObject.hpp.

double* OsiLotsize::bound (  )  const [inline]

Ranges.

Definition at line 896 of file OsiBranchingObject.hpp.

virtual void OsiLotsize::resetSequenceEtc ( int  numberColumns,
const int *  originalColumns 
) [virtual]

Change column numbers after preprocessing.

Reimplemented from OsiObject.

virtual double OsiLotsize::upEstimate (  )  const [virtual]

Return "up" estimate (default 1.0e-5).

Reimplemented from OsiObject.

virtual double OsiLotsize::downEstimate (  )  const [virtual]

Return "down" estimate (default 1.0e-5).

Reimplemented from OsiObject.

virtual bool OsiLotsize::canHandleShadowPrices (  )  const [inline, virtual]

Return true if knows how to deal with Pseudo Shadow Prices.

Reimplemented from OsiObject.

Definition at line 907 of file OsiBranchingObject.hpp.

virtual bool OsiLotsize::canDoHeuristics (  )  const [inline, virtual]

Return true if object can take part in normal heuristics.

Reimplemented from OsiObject.

Definition at line 911 of file OsiBranchingObject.hpp.


Member Data Documentation

data

Column number in model

Definition at line 918 of file OsiBranchingObject.hpp.

int OsiLotsize::rangeType_ [private]

Type - 1 points, 2 ranges.

Definition at line 920 of file OsiBranchingObject.hpp.

Number of points.

Definition at line 922 of file OsiBranchingObject.hpp.

double OsiLotsize::largestGap_ [private]

Definition at line 924 of file OsiBranchingObject.hpp.

double* OsiLotsize::bound_ [private]

Ranges.

Definition at line 926 of file OsiBranchingObject.hpp.

int OsiLotsize::range_ [mutable, private]

Current range.

Definition at line 928 of file OsiBranchingObject.hpp.


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

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