CglTwomir Class Reference

Twostep MIR Cut Generator Class. More...

#include <CglTwomir.hpp>

Inheritance diagram for CglTwomir:

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Collaboration diagram for CglTwomir:

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List of all members.

Public Member Functions

Generate Cuts
virtual void generateCuts (const OsiSolverInterface &si, OsiCuts &cs, const CglTreeInfo info=CglTreeInfo()) const
 Generate Two step MIR cuts either from the tableau rows or from the formulation rows.
virtual bool needsOptimalBasis () const
 Return true if needs optimal basis to do cuts (will return true).
Change criterion on which scalings to use (default = 1,1,1,1)
void setMirScale (int tmin, int tmax)
 Set.
void setTwomirScale (int qmin, int qmax)
 Set.
void setAMax (int a)
 Set.
void setMaxElements (int n)
 Set.
void setCutTypes (bool mir, bool twomir, bool tab, bool form)
 Set.
void setFormulationRows (int n)
 Set.
int getTmin () const
 Get.
int getTmax () const
 Set.
int getQmin () const
 Set.
int getQmax () const
 Set.
int getAmax () const
 Set.
int getMaxElements () const
 Set.
int getIfMir () const
 Set.
int getIfTwomir () const
 Set.
int getIfTableau () const
 Set.
int getIfFormulation () const
 Set.
Constructors and destructors
 CglTwomir ()
 Default constructor.
 CglTwomir (const CglTwomir &)
 Copy constructor.
virtual CglCutGeneratorclone () const
 Clone.
CglTwomiroperator= (const CglTwomir &rhs)
 Assignment operator.
virtual ~CglTwomir ()
 Destructor.
virtual std::string generateCpp (FILE *fp)
 Create C++ lines to get to current state.

Public Attributes

char * probname_

Private Attributes

Private member data
bool do_mir_
bool do_2mir_
bool do_tab_
bool do_form_
int t_min_
int t_max_
 t_min - first value of t to use for tMIR inequalities
int q_min_
 t_max - last value of t to use for tMIR inequalities
int q_max_
 q_min - first value of t to use for 2-Step tMIR inequalities
int a_max_
 q_max - last value of t to use for 2-Step tMIR inequalities
int max_elements_
 a_max - maximum value of bhat/alpha
int form_nrows_
 Maximum number of elements in cut.

Detailed Description

Twostep MIR Cut Generator Class.

Definition at line 88 of file CglTwomir.hpp.


Constructor & Destructor Documentation

CglTwomir::CglTwomir (  ) 

Default constructor.

CglTwomir::CglTwomir ( const CglTwomir  ) 

Copy constructor.

virtual CglTwomir::~CglTwomir (  )  [virtual]

Destructor.


Member Function Documentation

virtual void CglTwomir::generateCuts ( const OsiSolverInterface si,
OsiCuts cs,
const CglTreeInfo  info = CglTreeInfo() 
) const [virtual]

Generate Two step MIR cuts either from the tableau rows or from the formulation rows.

Implements CglCutGenerator.

virtual bool CglTwomir::needsOptimalBasis (  )  const [virtual]

Return true if needs optimal basis to do cuts (will return true).

Reimplemented from CglCutGenerator.

void CglTwomir::setMirScale ( int  tmin,
int  tmax 
) [inline]

Set.

Definition at line 106 of file CglTwomir.hpp.

References t_max_, and t_min_.

void CglTwomir::setTwomirScale ( int  qmin,
int  qmax 
) [inline]

Set.

Definition at line 107 of file CglTwomir.hpp.

References q_max_, and q_min_.

void CglTwomir::setAMax ( int  a  )  [inline]

Set.

Definition at line 108 of file CglTwomir.hpp.

References a_max_.

void CglTwomir::setMaxElements ( int  n  )  [inline]

Set.

Definition at line 109 of file CglTwomir.hpp.

References max_elements_.

void CglTwomir::setCutTypes ( bool  mir,
bool  twomir,
bool  tab,
bool  form 
) [inline]

Set.

Definition at line 110 of file CglTwomir.hpp.

References do_2mir_, do_form_, do_mir_, and do_tab_.

void CglTwomir::setFormulationRows ( int  n  )  [inline]

Set.

Definition at line 112 of file CglTwomir.hpp.

References form_nrows_.

int CglTwomir::getTmin (  )  const [inline]

Get.

Definition at line 115 of file CglTwomir.hpp.

References t_min_.

int CglTwomir::getTmax (  )  const [inline]

Set.

Definition at line 116 of file CglTwomir.hpp.

References t_max_.

int CglTwomir::getQmin (  )  const [inline]

Set.

Definition at line 117 of file CglTwomir.hpp.

References q_min_.

int CglTwomir::getQmax (  )  const [inline]

Set.

Definition at line 118 of file CglTwomir.hpp.

References q_max_.

int CglTwomir::getAmax (  )  const [inline]

Set.

Definition at line 119 of file CglTwomir.hpp.

References a_max_.

int CglTwomir::getMaxElements (  )  const [inline]

Set.

Definition at line 120 of file CglTwomir.hpp.

References max_elements_.

int CglTwomir::getIfMir (  )  const [inline]

Set.

Definition at line 121 of file CglTwomir.hpp.

References do_mir_.

int CglTwomir::getIfTwomir (  )  const [inline]

Set.

Definition at line 122 of file CglTwomir.hpp.

References do_2mir_.

int CglTwomir::getIfTableau (  )  const [inline]

Set.

Definition at line 123 of file CglTwomir.hpp.

References do_tab_.

int CglTwomir::getIfFormulation (  )  const [inline]

Set.

Definition at line 124 of file CglTwomir.hpp.

References do_form_.

virtual CglCutGenerator* CglTwomir::clone (  )  const [virtual]

Clone.

Implements CglCutGenerator.

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

Assignment operator.

virtual std::string CglTwomir::generateCpp ( FILE *  fp  )  [virtual]

Create C++ lines to get to current state.

Reimplemented from CglCutGenerator.


Member Data Documentation

char* CglTwomir::probname_

Definition at line 91 of file CglTwomir.hpp.

bool CglTwomir::do_mir_ [private]

Definition at line 151 of file CglTwomir.hpp.

Referenced by getIfMir(), and setCutTypes().

bool CglTwomir::do_2mir_ [private]

Definition at line 152 of file CglTwomir.hpp.

Referenced by getIfTwomir(), and setCutTypes().

bool CglTwomir::do_tab_ [private]

Definition at line 153 of file CglTwomir.hpp.

Referenced by getIfTableau(), and setCutTypes().

bool CglTwomir::do_form_ [private]

Definition at line 154 of file CglTwomir.hpp.

Referenced by getIfFormulation(), and setCutTypes().

int CglTwomir::t_min_ [private]

Definition at line 156 of file CglTwomir.hpp.

Referenced by getTmin(), and setMirScale().

int CglTwomir::t_max_ [private]

t_min - first value of t to use for tMIR inequalities

Definition at line 157 of file CglTwomir.hpp.

Referenced by getTmax(), and setMirScale().

int CglTwomir::q_min_ [private]

t_max - last value of t to use for tMIR inequalities

Definition at line 158 of file CglTwomir.hpp.

Referenced by getQmin(), and setTwomirScale().

int CglTwomir::q_max_ [private]

q_min - first value of t to use for 2-Step tMIR inequalities

Definition at line 159 of file CglTwomir.hpp.

Referenced by getQmax(), and setTwomirScale().

int CglTwomir::a_max_ [private]

q_max - last value of t to use for 2-Step tMIR inequalities

Definition at line 160 of file CglTwomir.hpp.

Referenced by getAmax(), and setAMax().

int CglTwomir::max_elements_ [private]

a_max - maximum value of bhat/alpha

Definition at line 161 of file CglTwomir.hpp.

Referenced by getMaxElements(), and setMaxElements().

int CglTwomir::form_nrows_ [private]

Maximum number of elements in cut.

Definition at line 163 of file CglTwomir.hpp.

Referenced by setFormulationRows().


The documentation for this class was generated from the following file:
Generated on Thu May 15 22:00:15 2008 by  doxygen 1.4.7