Definition at line 31 of file TDecompBK.h.

Public Member Functions
	TDecompBK ()

	TDecompBK (Int_t nrows)
	Constructor for (nrows x nrows) symmetric matrix. More...

	TDecompBK (Int_t row_lwb, Int_t row_upb)
	Constructor for ([row_lwb..row_upb] x [row_lwb..row_upb]) symmetric matrix. More...

	TDecompBK (const TMatrixDSym &m, Double_t tol=0.0)
	Constructor for symmetric matrix A. More...

	TDecompBK (const TDecompBK &another)
	Copy constructor. More...

virtual	~TDecompBK ()

virtual Int_t	GetNrows () const

virtual Int_t	GetNcols () const

const TMatrixD &	GetU ()

virtual void	SetMatrix (const TMatrixDSym &a)
	Set the matrix to be decomposed, decomposition status is reset. More...

virtual Bool_t	Decompose ()
	Matrix A is decomposed in components U and D so that A = UDU^T If the decomposition succeeds, bit kDecomposed is set , otherwise kSingular. More...

virtual Bool_t	Solve (TVectorD &b)
	Solve Ax=b assuming the BK form of A is stored in fU . Solution returned in b. More...

virtual TVectorD	Solve (const TVectorD &b, Bool_t &ok)

virtual Bool_t	Solve (TMatrixDColumn &b)
	Solve Ax=b assuming the BK form of A is stored in fU . Solution returned in b. More...

virtual Bool_t	TransSolve (TVectorD &b)

virtual TVectorD	TransSolve (const TVectorD &b, Bool_t &ok)

virtual Bool_t	TransSolve (TMatrixDColumn &b)

virtual void	Det (Double_t &, Double_t &)
	Matrix determinant det = d1*TMath::Power(2.,d2) More...

Bool_t	Invert (TMatrixDSym &inv)
	For a symmetric matrix A(m,m), its inverse A_inv(m,m) is returned . More...

TMatrixDSym	Invert (Bool_t &status)
	For a symmetric matrix A(m,m), its inverse A_inv(m,m) is returned . More...

TMatrixDSym	Invert ()

void	Print (Option_t *opt="") const
	Print the class members. More...

TDecompBK &	operator= (const TDecompBK &source)
	Assigment operator. More...

Public Member Functions inherited from TDecompBase
	TDecompBase ()

	TDecompBase (const TDecompBase &another)
	Copy constructor. More...

virtual	~TDecompBase ()

Double_t	GetTol () const

Double_t	GetDet1 () const

Double_t	GetDet2 () const

Double_t	GetCondition () const

Int_t	GetRowLwb () const

Int_t	GetColLwb () const

Double_t	SetTol (Double_t tol)

virtual Double_t	Condition ()
	Matrix condition number. More...

virtual Bool_t	MultiSolve (TMatrixD &B)
	Solve set of equations with RHS in columns of B. More...

TDecompBase &	operator= (const TDecompBase &source)
	Assignment operator. More...

Public Member Functions inherited from TObject
	TObject ()

	TObject (const TObject &object)
	TObject copy ctor. More...

TObject &	operator= (const TObject &rhs)
	TObject assignment operator. More...

virtual	~TObject ()
	TObject destructor. More...

virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad. More...

virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action. More...

virtual const char *	ClassName () const
	Returns name of class to which the object belongs. More...

virtual void	Clear (Option_t *="")

virtual TObject *	Clone (const char *newname="") const
	Make a clone of an object using the Streamer facility. More...

virtual Int_t	Compare (const TObject *obj) const
	Compare abstract method. More...

virtual void	Copy (TObject &object) const
	Copy this to obj. More...

virtual void	Delete (Option_t *option="")
	Delete this object. More...

virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object. More...

virtual void	Draw (Option_t *option="")
	Default Draw method for all objects. More...

virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs. More...

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current pad. More...

virtual void	Dump () const
	Dump contents of object on stdout. More...

virtual void	Execute (const char method, const char params, Int_t *error=0)
	Execute method on this object with the given parameter string, e.g. More...

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=0)
	Execute method on this object with parameters stored in the TObjArray. More...

virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py). More...

virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes. More...

virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes. More...

virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object. More...

virtual UInt_t	GetUniqueID () const
	Return the unique object id. More...

virtual const char *	GetName () const
	Returns name of object. More...

virtual const char *	GetIconName () const
	Returns mime type name of object. More...

virtual Option_t *	GetOption () const

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py). More...

virtual const char *	GetTitle () const
	Returns title of object. More...

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out. More...

virtual ULong_t	Hash () const
	Return hash value for this object. More...

virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname". More...

virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl. More...

virtual void	Inspect () const
	Dump contents of this object in a graphics canvas. More...

virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...

virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory). More...

virtual Bool_t	IsSortable () const

Bool_t	IsOnHeap () const

Bool_t	IsZombie () const

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification. More...

virtual void	ls (Option_t *option="") const
	The ls function lists the contents of a class on stdout. More...

virtual void	Paint (Option_t *option="")
	This method must be overridden if a class wants to paint itself. More...

virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list. More...

virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory. More...

virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list. More...

virtual void	SaveAs (const char filename="", Option_t option="") const
	Save this object in the file specified by filename. More...

virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save a primitive as a C++ statement(s) on output stream "out". More...

virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object. More...

virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id. More...

virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More...

virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory. More...

virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory. More...

void *	operator new (size_t sz)

void *	operator new[] (size_t sz)

void *	operator new (size_t sz, void *vp)

void *	operator new[] (size_t sz, void *vp)

void	operator delete (void *ptr)
	Operator delete. More...

void	operator delete[] (void *ptr)
	Operator delete []. More...

void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f. More...

void	SetBit (UInt_t f)

void	ResetBit (UInt_t f)

Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

void	InvertBit (UInt_t f)

virtual void	Info (const char method, const char msgfmt,...) const
	Issue info message. More...

virtual void	Warning (const char method, const char msgfmt,...) const
	Issue warning message. More...

virtual void	Error (const char method, const char msgfmt,...) const
	Issue error message. More...

virtual void	SysError (const char method, const char msgfmt,...) const
	Issue system error message. More...

virtual void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message. More...

void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...

void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More...

void	Obsolete (const char method, const char asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete. More...

Protected Member Functions
virtual const TMatrixDBase &	GetDecompMatrix () const

Protected Member Functions inherited from TDecompBase
void	ResetStatus ()

Int_t	Hager (Double_t &est, Int_t iter=5)

Protected Member Functions inherited from TObject
void	MakeZombie ()

virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected). More...

Protected Attributes
Int_t	fNIpiv

Int_t *	fIpiv

TMatrixD	fU

Protected Attributes inherited from TDecompBase
Double_t	fTol

Double_t	fDet1

Double_t	fDet2

Double_t	fCondition

Int_t	fRowLwb

Int_t	fColLwb

Additional Inherited Members
Public Types inherited from TObject
enum	EStatusBits { kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) }

enum	{ kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }

enum	{ kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }

Static Public Member Functions inherited from TObject
static Long_t	GetDtorOnly ()
	Return destructor only flag. More...

static void	SetDtorOnly (void *obj)
	Set destructor only flag. More...

static Bool_t	GetObjectStat ()
	Get status of object stat flag. More...

static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable. More...

Protected Types inherited from TDecompBase
enum	EMatrixDecompStat { kInit = BIT(14), kPatternSet = BIT(15), kValuesSet = BIT(16), kMatrixSet = BIT(17), kDecomposed = BIT(18), kDetermined = BIT(19), kCondition = BIT(20), kSingular = BIT(21) }

enum	{ kWorkMax = 100 }

Static Protected Member Functions inherited from TDecompBase
static void	DiagProd (const TVectorD &diag, Double_t tol, Double_t &d1, Double_t &d2)

#include <TDecompBK.h>

Inheritance diagram for TDecompBK:

Collaboration diagram for TDecompBK:

Constructor & Destructor Documentation

TDecompBK::TDecompBK ( )

TDecompBK::TDecompBK ( Int_t nrows )

explicit

Constructor for (nrows x nrows) symmetric matrix.

Definition at line 69 of file TDecompBK.cxx.

TDecompBK::TDecompBK	(	Int_t	row_lwb,
		Int_t	row_upb
	)

Constructor for ([row_lwb..row_upb] x [row_lwb..row_upb]) symmetric matrix.

Definition at line 80 of file TDecompBK.cxx.

TDecompBK::TDecompBK	(	const TMatrixDSym &	m,
		Double_t	tol = `0.0`
	)

Constructor for symmetric matrix A.

Definition at line 93 of file TDecompBK.cxx.

TDecompBK::TDecompBK ( const TDecompBK & another )

Copy constructor.

Definition at line 116 of file TDecompBK.cxx.

virtual TDecompBK::~TDecompBK ( )

inlinevirtual

Definition at line 48 of file TDecompBK.h.

Member Function Documentation

Bool_t TDecompBK::Decompose ( )

virtual

Matrix A is decomposed in components U and D so that A = U*D*U^T If the decomposition succeeds, bit kDecomposed is set , otherwise kSingular.

Implements TDecompBase.

Definition at line 127 of file TDecompBK.cxx.

Referenced by GetU(), and Solve().

virtual void TDecompBK::Det	(	Double_t &	d1,
		Double_t &	d2
	)

inlinevirtual

Matrix determinant det = d1*TMath::Power(2.,d2)

Reimplemented from TDecompBase.

Definition at line 64 of file TDecompBK.h.

virtual const TMatrixDBase& TDecompBK::GetDecompMatrix ( ) const

inlineprotectedvirtual

Implements TDecompBase.

Definition at line 39 of file TDecompBK.h.

virtual Int_t TDecompBK::GetNcols ( ) const

inlinevirtual

Implements TDecompBase.

Definition at line 51 of file TDecompBK.h.

virtual Int_t TDecompBK::GetNrows ( ) const

inlinevirtual

Implements TDecompBase.

Definition at line 50 of file TDecompBK.h.

Referenced by Invert().

const TMatrixD& TDecompBK::GetU ( )

inline

Definition at line 52 of file TDecompBK.h.

Bool_t TDecompBK::Invert ( TMatrixDSym & inv )

For a symmetric matrix A(m,m), its inverse A_inv(m,m) is returned .

Definition at line 606 of file TDecompBK.cxx.

TMatrixDSym TDecompBK::Invert ( Bool_t & status )

For a symmetric matrix A(m,m), its inverse A_inv(m,m) is returned .

Definition at line 629 of file TDecompBK.cxx.

TMatrixDSym TDecompBK::Invert ( )

inline

Definition at line 69 of file TDecompBK.h.

Referenced by Invert().

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

Assigment operator.

Definition at line 656 of file TDecompBK.cxx.

void TDecompBK::Print ( Option_t * opt = "" ) const

virtual

Print the class members.

Reimplemented from TDecompBase.

Definition at line 644 of file TDecompBK.cxx.

void TDecompBK::SetMatrix ( const TMatrixDSym & a )

virtual

Set the matrix to be decomposed, decomposition status is reset.

Definition at line 310 of file TDecompBK.cxx.

Bool_t TDecompBK::Solve ( TVectorD & b )

virtual

Solve Ax=b assuming the BK form of A is stored in fU . Solution returned in b.

Implements TDecompBase.

Definition at line 335 of file TDecompBK.cxx.

Referenced by Invert(), and TransSolve().

virtual TVectorD TDecompBK::Solve	(	const TVectorD &	b,
		Bool_t &	ok
	)

inlinevirtual

Implements TDecompBase.

Definition at line 59 of file TDecompBK.h.

Referenced by Solve().

Bool_t TDecompBK::Solve ( TMatrixDColumn & b )

virtual

Solve Ax=b assuming the BK form of A is stored in fU . Solution returned in b.

Implements TDecompBase.

Definition at line 469 of file TDecompBK.cxx.

virtual Bool_t TDecompBK::TransSolve ( TVectorD & b )

inlinevirtual

Implements TDecompBase.

Definition at line 61 of file TDecompBK.h.

virtual TVectorD TDecompBK::TransSolve	(	const TVectorD &	b,
		Bool_t &	ok
	)

inlinevirtual

Implements TDecompBase.

Definition at line 62 of file TDecompBK.h.

virtual Bool_t TDecompBK::TransSolve ( TMatrixDColumn & b )

inlinevirtual

Implements TDecompBase.

Definition at line 63 of file TDecompBK.h.

Member Data Documentation

Int_t* TDecompBK::fIpiv

protected

Definition at line 36 of file TDecompBK.h.

Referenced by Decompose(), operator=(), Print(), SetMatrix(), Solve(), TDecompBK(), and ~TDecompBK().

Int_t TDecompBK::fNIpiv

protected

Definition at line 35 of file TDecompBK.h.

Referenced by operator=(), Print(), SetMatrix(), and TDecompBK().

TMatrixD TDecompBK::fU

protected

Definition at line 37 of file TDecompBK.h.

Referenced by Decompose(), GetDecompMatrix(), GetU(), operator=(), Print(), SetMatrix(), Solve(), and TDecompBK().

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

math/matrix/inc/TDecompBK.h
math/matrix/src/TDecompBK.cxx

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation