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TMehrotraSolver Class Reference

Definition at line 55 of file TMehrotraSolver.h.

Public Member Functions

 TMehrotraSolver ()
 Default constructor. More...
 
 TMehrotraSolver (TQpProbBase *of, TQpDataBase *prob, Int_t verbose=0)
 Constructor. More...
 
 TMehrotraSolver (const TMehrotraSolver &another)
 Copy constructor. More...
 
virtual ~TMehrotraSolver ()
 Deconstructor. More...
 
virtual void DefMonitor (TQpDataBase *data, TQpVar *vars, TQpResidual *resids, Double_t alpha, Double_t sigma, Int_t i, Double_t mu, Int_t status_code, Int_t level)
 Print information about the optimization process and monitor the convergence status of thye algorithm. More...
 
TMehrotraSolveroperator= (const TMehrotraSolver &source)
 Assignment operator. More...
 
virtual Int_t Solve (TQpDataBase *prob, TQpVar *iterate, TQpResidual *resid)
 Solve the quadratic programming problem as formulated through prob, store the final solution in iterate->fX . More...
 
- Public Member Functions inherited from TQpSolverBase
 TQpSolverBase ()
 Default constructor. More...
 
 TQpSolverBase (const TQpSolverBase &another)
 Copy constructor. More...
 
virtual ~TQpSolverBase ()
 Deconstructor. More...
 
Double_t DataNorm ()
 
virtual void DefStart (TQpProbBase *formulation, TQpVar *iterate, TQpDataBase *prob, TQpResidual *resid, TQpVar *step)
 Default starting point. More...
 
virtual Int_t DefStatus (TQpDataBase *data, TQpVar *vars, TQpResidual *resids, Int_t i, Double_t mu, Int_t level)
 Default status method. More...
 
virtual void DoMonitor (TQpDataBase *data, TQpVar *vars, TQpResidual *resids, Double_t alpha, Double_t sigma, Int_t i, Double_t mu, Int_t stop_code, Int_t level)
 Monitor progress / convergence aat each interior-point iteration. More...
 
virtual Int_t DoStatus (TQpDataBase *data, TQpVar *vars, TQpResidual *resids, Int_t i, Double_t mu, Int_t level)
 Tests for termination. More...
 
virtual void DumbStart (TQpProbBase *formulation, TQpVar *iterate, TQpDataBase *prob, TQpResidual *resid, TQpVar *step)
 Alternative starting point heuristic: sets the "complementary" variables to a large positive value (based on the norm of the problem data) and the remaining variables to zero . More...
 
virtual Double_t FinalStepLength (TQpVar *iterate, TQpVar *step)
 Implements a version of Mehrotra starting point heuristic, modified to ensure identical steps in the primal and dual variables. More...
 
Double_t GetArTol ()
 
TQpLinSolverBaseGetLinearSystem ()
 
Double_t GetMuTol ()
 
TQpSolverBaseoperator= (const TQpSolverBase &source)
 Assignment operator. More...
 
void SetArTol (Double_t ar)
 
void SetMuTol (Double_t m)
 
virtual void Start (TQpProbBase *formulation, TQpVar *iterate, TQpDataBase *prob, TQpResidual *resid, TQpVar *step)
 Implements a default starting-point heuristic. More...
 
virtual void SteveStart (TQpProbBase *formulation, TQpVar *iterate, TQpDataBase *prob, TQpResidual *resid, TQpVar *step)
 Starting point algoritm according to Stephen Wright. More...
 

Protected Attributes

TQpProbBasefFactory
 
Int_t fPrintlevel
 
TQpVarfStep
 
Double_t fTsig
 
- Protected Attributes inherited from TQpSolverBase
Double_t fArtol
 
Double_t fDnorm
 
Double_t fGamma_a
 
Double_t fGamma_f
 
Int_t fMaxit
 
Double_t * fMu_history
 
Double_t fMutol
 
Double_t fPhi
 
Double_t * fPhi_history
 
Double_t * fPhi_min_history
 
Double_t * fRnorm_history
 
TQpLinSolverBasefSys
 

Additional Inherited Members

- Public Attributes inherited from TQpSolverBase
Int_t fIter
 

#include <TMehrotraSolver.h>

Inheritance diagram for TMehrotraSolver:
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Constructor & Destructor Documentation

◆ TMehrotraSolver() [1/3]

TMehrotraSolver::TMehrotraSolver ( )

Default constructor.

Definition at line 61 of file TMehrotraSolver.cxx.

◆ TMehrotraSolver() [2/3]

TMehrotraSolver::TMehrotraSolver ( TQpProbBase of,
TQpDataBase prob,
Int_t  verbose = 0 
)

Constructor.

Definition at line 73 of file TMehrotraSolver.cxx.

◆ TMehrotraSolver() [3/3]

TMehrotraSolver::TMehrotraSolver ( const TMehrotraSolver another)

Copy constructor.

Definition at line 86 of file TMehrotraSolver.cxx.

◆ ~TMehrotraSolver()

TMehrotraSolver::~TMehrotraSolver ( )
virtual

Deconstructor.

Definition at line 213 of file TMehrotraSolver.cxx.

Member Function Documentation

◆ DefMonitor()

void TMehrotraSolver::DefMonitor ( TQpDataBase data,
TQpVar vars,
TQpResidual resids,
Double_t  alpha,
Double_t  sigma,
Int_t  i,
Double_t  mu,
Int_t  status_code,
Int_t  level 
)
virtual

Print information about the optimization process and monitor the convergence status of thye algorithm.

Implements TQpSolverBase.

Definition at line 171 of file TMehrotraSolver.cxx.

◆ operator=()

TMehrotraSolver & TMehrotraSolver::operator= ( const TMehrotraSolver source)

Assignment operator.

Definition at line 222 of file TMehrotraSolver.cxx.

◆ Solve()

Int_t TMehrotraSolver::Solve ( TQpDataBase prob,
TQpVar iterate,
TQpResidual resid 
)
virtual

Solve the quadratic programming problem as formulated through prob, store the final solution in iterate->fX .

Monitor the residuals during the iterations through resid . The status is returned as defined in TQpSolverBase::ETerminationCode .

Implements TQpSolverBase.

Definition at line 97 of file TMehrotraSolver.cxx.

Member Data Documentation

◆ fFactory

TQpProbBase* TMehrotraSolver::fFactory
protected

Definition at line 68 of file TMehrotraSolver.h.

◆ fPrintlevel

Int_t TMehrotraSolver::fPrintlevel
protected

Definition at line 59 of file TMehrotraSolver.h.

◆ fStep

TQpVar* TMehrotraSolver::fStep
protected

Definition at line 66 of file TMehrotraSolver.h.

◆ fTsig

Double_t TMehrotraSolver::fTsig
protected

Definition at line 61 of file TMehrotraSolver.h.

Libraries for TMehrotraSolver:
[legend]

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