Sparse Symmetric Decomposition class.

Solve a sparse symmetric system of linear equations using a method based on Gaussian elimination as discussed in Duff and Reid, ACM Trans. Math. Software 9 (1983), 302-325.

Definition at line 43 of file TDecompSparse.h.

Public Member Functions
	TDecompSparse ()
	Default constructor. More...

	TDecompSparse (Int_t nRows, Int_t nr_nonZeros, Int_t verbose)
	Constructor for a matrix with nrows and unspecified number of columns . More...

	TDecompSparse (Int_t row_lwb, Int_t row_upb, Int_t nr_nonZeros, Int_t verbose)
	Constructor for a matrix with row range, [row_lwb..row_upb] and unspecified column range . More...

	TDecompSparse (const TMatrixDSparse &a, Int_t verbose)
	Constructor for matrix A . More...

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

virtual	~TDecompSparse ()

virtual Bool_t	Decompose ()
	Decomposition engine . More...

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

virtual Int_t	GetNcols () const

virtual Int_t	GetNrows () const

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

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

virtual void	SetMatrix (const TMatrixDSparse &a)
	Set matrix to be decomposed . More...

void	SetVerbose (Int_t v)

virtual Bool_t	Solve (TVectorD &b)
	Solve Ax=b . Solution returned in b. More...

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

virtual Bool_t	Solve (TMatrixDColumn &)

virtual Bool_t	TransSolve (TVectorD &b)

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

virtual Bool_t	TransSolve (TMatrixDColumn &)

Public Member Functions inherited from TDecompBase
	TDecompBase ()
	Default constructor. More...

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

virtual	~TDecompBase ()

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

Int_t	GetColLwb () const

Double_t	GetCondition () const

Double_t	GetDet1 () const

Double_t	GetDet2 () const

Int_t	GetRowLwb () const

Double_t	GetTol () const

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...

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

Double_t	SetTol (Double_t tol)

Protected Member Functions
Int_t	ErrorFlag ()

virtual const TMatrixDBase &	GetDecompMatrix () const

Double_t	GetThresholdPivoting ()

Double_t	GetTreatAsZero ()

Int_t	IError ()

void	InitParam ()
	initializing control parameters More...

Int_t	MinIntWorkspace ()

Int_t	MinRealWorkspace ()

void	SetThresholdPivoting (Double_t piv)

void	SetTreatAsZero (Double_t tol)

Protected Member Functions inherited from TDecompBase
Int_t	Hager (Double_t &est, Int_t iter=5)

void	ResetStatus ()

Static Protected Member Functions
static void	CopyUpperTriang (const TMatrixDSparse &a, Double_t *b)
	Static function, copying the non-zero entries in the upper triangle to array b . More...

static void	Factor (const Int_t n, const Int_t nz, TArrayI &Airn, TArrayI &Aicn, TArrayD &Aa, TArrayI &Aiw, TArrayI &Aikeep, const Int_t nsteps, Int_t &maxfrt, TArrayI &Aiw1, Int_t icntl, Double_t cntl, Int_t *info)
	Factorization routine, the workhorse for the decomposition step. More...

static void	Factor_sub1 (const Int_t n, const Int_t nz, Int_t &nz1, Double_t a, const Int_t la, Int_t irn, Int_t icn, Int_t iw, const Int_t liw, Int_t perm, Int_t iw2, Int_t icntl, Int_t info)
	Help routine for factorization. More...

static void	Factor_sub2 (const Int_t n, const Int_t nz, Double_t a, const Int_t la, Int_t iw, const Int_t liw, Int_t perm, Int_t nstk, const Int_t nsteps, Int_t &maxfrt, Int_t nelim, Int_t iw2, Int_t icntl, Double_t cntl, Int_t *info)
	Help routine for factorization. More...

static void	Factor_sub3 (Double_t a, Int_t iw, Int_t &j1, Int_t &j2, const Int_t itop, const Int_t ireal, Int_t &ncmpbr, Int_t &ncmpbi)
	Help routine for factorization. More...

static Int_t	IDiag (Int_t ix, Int_t iy)

static void	InitPivot (const Int_t n, const Int_t nz, TArrayI &Airn, TArrayI &Aicn, TArrayI &Aiw, TArrayI &Aikeep, TArrayI &Aiw1, Int_t &nsteps, const Int_t iflag, Int_t icntl, Double_t cntl, Int_t *info, Double_t &ops)
	Setup Pivoting variables. More...

static void	InitPivot_sub1 (const Int_t n, const Int_t nz, Int_t irn, Int_t icn, Int_t iw, Int_t ipe, Int_t iq, Int_t flag, Int_t &iwfr, Int_t icntl, Int_t info)
	Help routine for pivoting setup. More...

static void	InitPivot_sub2 (const Int_t n, Int_t ipe, Int_t iw, const Int_t lw, Int_t &iwfr, Int_t nv, Int_t nxt, Int_t lst, Int_t ipd, Int_t *flag, const Int_t iovflo, Int_t &ncmpa, const Double_t fratio)
	Help routine for pivoting setup. More...

static void	InitPivot_sub2a (const Int_t n, Int_t ipe, Int_t iw, const Int_t lw, Int_t &iwfr, Int_t &ncmpa)
	Help routine for pivoting setup. More...

static void	InitPivot_sub3 (const Int_t n, const Int_t nz, Int_t irn, Int_t icn, Int_t perm, Int_t iw, Int_t ipe, Int_t iq, Int_t flag, Int_t &iwfr, Int_t icntl, Int_t *info)
	Help routine for pivoting setup. More...

static void	InitPivot_sub4 (const Int_t n, Int_t ipe, Int_t iw, const Int_t lw, Int_t &iwfr, Int_t ips, Int_t ipv, Int_t nv, Int_t flag, Int_t &ncmpa)
	Help routine for pivoting setup. More...

static void	InitPivot_sub5 (const Int_t n, Int_t ipe, Int_t nv, Int_t ips, Int_t ne, Int_t na, Int_t nd, Int_t &nsteps, const Int_t nemin)
	Help routine for pivoting setup. More...

static void	InitPivot_sub6 (const Int_t n, const Int_t nz, Int_t irn, Int_t icn, Int_t perm, Int_t na, Int_t ne, Int_t nd, const Int_t nsteps, Int_t lstki, Int_t lstkr, Int_t iw, Int_t info, Double_t &ops)
	Help routine for pivoting setup. More...

static Int_t	NonZerosUpperTriang (const TMatrixDSparse &a)
	Static function, returning the number of non-zero entries in the upper triangular matrix . More...

static void	Solve (const Int_t n, TArrayD &Aa, TArrayI &Aiw, TArrayD &Aw, const Int_t maxfrt, TVectorD &b, TArrayI &Aiw1, const Int_t nsteps, Int_t icntl, Int_t info)
	Main routine for solving Ax=b. More...

static void	Solve_sub1 (const Int_t n, Double_t a, Int_t iw, Double_t w, Double_t rhs, Int_t iw2, const Int_t nblk, Int_t &latop, Int_t icntl)
	Help routine for solving. More...

static void	Solve_sub2 (const Int_t n, Double_t a, Int_t iw, Double_t w, Double_t rhs, Int_t iw2, const Int_t nblk, const Int_t latop, Int_t icntl)
	Help routine for solving. More...

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

Protected Attributes
TMatrixDSparse	fA

Double_t	fCntl [6]

TArrayI	fColFact

TArrayD	fFact

Int_t	fIcntl [31]

TArrayI	fIkeep

Int_t	fInfo [21]

Double_t	fIPessimism

TArrayI	fIw

TArrayI	fIw1

TArrayI	fIw2

Int_t	fMaxfrt

Int_t	fNnonZeros

Int_t	fNrows

Int_t	fNsteps

Double_t	fPrecision

TArrayI	fRowFact

Double_t	fRPessimism

Int_t	fVerbose

TArrayD	fW

Protected Attributes inherited from TDecompBase
Int_t	fColLwb

Double_t	fCondition

Double_t	fDet1

Double_t	fDet2

Int_t	fRowLwb

Double_t	fTol

Additional Inherited Members
Protected Types inherited from TDecompBase
enum	{ kWorkMax = 100 }

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) }

#include <TDecompSparse.h>

Inheritance diagram for TDecompSparse:

[legend]

Constructor & Destructor Documentation

◆ TDecompSparse() [1/5]

TDecompSparse::TDecompSparse ( )

Default constructor.

Definition at line 30 of file TDecompSparse.cxx.

◆ TDecompSparse() [2/5]

TDecompSparse::TDecompSparse	(	Int_t	nRows,
		Int_t	nr_nonZeros,
		Int_t	verbose
	)

Constructor for a matrix with nrows and unspecified number of columns .

nr_nonZeros is the total number of non-zero entries in the matrix .

Definition at line 41 of file TDecompSparse.cxx.

◆ TDecompSparse() [3/5]

TDecompSparse::TDecompSparse	(	Int_t	row_lwb,
		Int_t	row_upb,
		Int_t	nr_nonZeros,
		Int_t	verbose
	)

Constructor for a matrix with row range, [row_lwb..row_upb] and unspecified column range .

nr_nonZeros is the total number of non-zero entries in the matrix .

Definition at line 67 of file TDecompSparse.cxx.

◆ TDecompSparse() [4/5]

TDecompSparse::TDecompSparse	(	const TMatrixDSparse &	a,
		Int_t	verbose
	)

Constructor for matrix A .

Definition at line 94 of file TDecompSparse.cxx.

◆ TDecompSparse() [5/5]

TDecompSparse::TDecompSparse ( const TDecompSparse & another )

Copy constructor.

Definition at line 107 of file TDecompSparse.cxx.

◆ ~TDecompSparse()

virtual TDecompSparse::~TDecompSparse ( )

inlinevirtual

Definition at line 148 of file TDecompSparse.h.

Member Function Documentation

◆ CopyUpperTriang()

void TDecompSparse::CopyUpperTriang	(	const TMatrixDSparse &	a,
		Double_t *	b
	)

staticprotected

Static function, copying the non-zero entries in the upper triangle to array b .

User should allocate enough memory for array b .

Definition at line 139 of file TDecompSparse.cxx.

◆ Decompose()

Bool_t TDecompSparse::Decompose ( )

virtual

Decomposition engine .

If the decomposition succeeds, bit kDecomposed is set .

Implements TDecompBase.

Definition at line 234 of file TDecompSparse.cxx.

◆ Det()

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

inlinevirtual

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

Reimplemented from TDecompBase.

Definition at line 169 of file TDecompSparse.h.

◆ ErrorFlag()

Int_t TDecompSparse::ErrorFlag ( )

inlineprotected

Definition at line 124 of file TDecompSparse.h.

◆ Factor()

void TDecompSparse::Factor	(	const Int_t	n,
		const Int_t	nz,
		TArrayI &	Airn,
		TArrayI &	Aicn,
		TArrayD &	Aa,
		TArrayI &	Aiw,
		TArrayI &	Aikeep,
		const Int_t	nsteps,
		Int_t &	maxfrt,
		TArrayI &	Aiw1,
		Int_t *	icntl,
		Double_t *	cntl,
		Int_t *	info
	)

staticprotected

Factorization routine, the workhorse for the decomposition step.

Definition at line 581 of file TDecompSparse.cxx.

◆ Factor_sub1()

void TDecompSparse::Factor_sub1	(	const Int_t	n,
		const Int_t	nz,
		Int_t &	nz1,
		Double_t *	a,
		const Int_t	la,
		Int_t *	irn,
		Int_t *	icn,
		Int_t *	iw,
		const Int_t	liw,
		Int_t *	perm,
		Int_t *	iw2,
		Int_t *	icntl,
		Int_t *	info
	)

staticprotected

Help routine for factorization.

Definition at line 1741 of file TDecompSparse.cxx.

◆ Factor_sub2()

void TDecompSparse::Factor_sub2	(	const Int_t	n,
		const Int_t	nz,
		Double_t *	a,
		const Int_t	la,
		Int_t *	iw,
		const Int_t	liw,
		Int_t *	perm,
		Int_t *	nstk,
		const Int_t	nsteps,
		Int_t &	maxfrt,
		Int_t *	nelim,
		Int_t *	iw2,
		Int_t *	icntl,
		Double_t *	cntl,
		Int_t *	info
	)

staticprotected

Help routine for factorization.

Definition at line 1883 of file TDecompSparse.cxx.

◆ Factor_sub3()

void TDecompSparse::Factor_sub3	(	Double_t *	a,
		Int_t *	iw,
		Int_t &	j1,
		Int_t &	j2,
		const Int_t	itop,
		const Int_t	ireal,
		Int_t &	ncmpbr,
		Int_t &	ncmpbi
	)

staticprotected

Help routine for factorization.

Definition at line 2389 of file TDecompSparse.cxx.

◆ GetDecompMatrix()

virtual const TMatrixDBase& TDecompSparse::GetDecompMatrix ( ) const

inlineprotectedvirtual

Implements TDecompBase.

Definition at line 139 of file TDecompSparse.h.

◆ GetNcols()

virtual Int_t TDecompSparse::GetNcols ( ) const

inlinevirtual

Implements TDecompBase.

Definition at line 155 of file TDecompSparse.h.

◆ GetNrows()

virtual Int_t TDecompSparse::GetNrows ( ) const

inlinevirtual

Implements TDecompBase.

Definition at line 154 of file TDecompSparse.h.

◆ GetThresholdPivoting()

Double_t TDecompSparse::GetThresholdPivoting ( )

inlineprotected

Definition at line 130 of file TDecompSparse.h.

◆ GetTreatAsZero()

Double_t TDecompSparse::GetTreatAsZero ( )

inlineprotected

Definition at line 131 of file TDecompSparse.h.

◆ IDiag()

static Int_t TDecompSparse::IDiag	(	Int_t	ix,
		Int_t	iy
	)

inlinestaticprotected

Definition at line 119 of file TDecompSparse.h.

◆ IError()

Int_t TDecompSparse::IError ( )

inlineprotected

Definition at line 121 of file TDecompSparse.h.

◆ InitParam()

void TDecompSparse::InitParam ( )

protected

initializing control parameters

Definition at line 413 of file TDecompSparse.cxx.

◆ InitPivot()

void TDecompSparse::InitPivot	(	const Int_t	n,
		const Int_t	nz,
		TArrayI &	Airn,
		TArrayI &	Aicn,
		TArrayI &	Aiw,
		TArrayI &	Aikeep,
		TArrayI &	Aiw1,
		Int_t &	nsteps,
		const Int_t	iflag,
		Int_t *	icntl,
		Double_t *	cntl,
		Int_t *	info,
		Double_t &	ops
	)

staticprotected

Setup Pivoting variables.

Definition at line 470 of file TDecompSparse.cxx.

◆ InitPivot_sub1()

void TDecompSparse::InitPivot_sub1	(	const Int_t	n,
		const Int_t	nz,
		Int_t *	irn,
		Int_t *	icn,
		Int_t *	iw,
		Int_t *	ipe,
		Int_t *	iq,
		Int_t *	flag,
		Int_t &	iwfr,
		Int_t *	icntl,
		Int_t *	info
	)

staticprotected

Help routine for pivoting setup.

Definition at line 836 of file TDecompSparse.cxx.

◆ InitPivot_sub2()

void TDecompSparse::InitPivot_sub2	(	const Int_t	n,
		Int_t *	ipe,
		Int_t *	iw,
		const Int_t	lw,
		Int_t &	iwfr,
		Int_t *	nv,
		Int_t *	nxt,
		Int_t *	lst,
		Int_t *	ipd,
		Int_t *	flag,
		const Int_t	iovflo,
		Int_t &	ncmpa,
		const Double_t	fratio
	)

staticprotected

Help routine for pivoting setup.

Definition at line 975 of file TDecompSparse.cxx.

◆ InitPivot_sub2a()

void TDecompSparse::InitPivot_sub2a	(	const Int_t	n,
		Int_t *	ipe,
		Int_t *	iw,
		const Int_t	lw,
		Int_t &	iwfr,
		Int_t &	ncmpa
	)

staticprotected

Help routine for pivoting setup.

Definition at line 1305 of file TDecompSparse.cxx.

◆ InitPivot_sub3()

void TDecompSparse::InitPivot_sub3	(	const Int_t	n,
		const Int_t	nz,
		Int_t *	irn,
		Int_t *	icn,
		Int_t *	perm,
		Int_t *	iw,
		Int_t *	ipe,
		Int_t *	iq,
		Int_t *	flag,
		Int_t &	iwfr,
		Int_t *	icntl,
		Int_t *	info
	)

staticprotected

Help routine for pivoting setup.

Definition at line 1349 of file TDecompSparse.cxx.

◆ InitPivot_sub4()

void TDecompSparse::InitPivot_sub4	(	const Int_t	n,
		Int_t *	ipe,
		Int_t *	iw,
		const Int_t	lw,
		Int_t &	iwfr,
		Int_t *	ips,
		Int_t *	ipv,
		Int_t *	nv,
		Int_t *	flag,
		Int_t &	ncmpa
	)

staticprotected

Help routine for pivoting setup.

Definition at line 1471 of file TDecompSparse.cxx.

◆ InitPivot_sub5()

void TDecompSparse::InitPivot_sub5	(	const Int_t	n,
		Int_t *	ipe,
		Int_t *	nv,
		Int_t *	ips,
		Int_t *	ne,
		Int_t *	na,
		Int_t *	nd,
		Int_t &	nsteps,
		const Int_t	nemin
	)

staticprotected

Help routine for pivoting setup.

Definition at line 1548 of file TDecompSparse.cxx.

◆ InitPivot_sub6()

void TDecompSparse::InitPivot_sub6	(	const Int_t	n,
		const Int_t	nz,
		Int_t *	irn,
		Int_t *	icn,
		Int_t *	perm,
		Int_t *	na,
		Int_t *	ne,
		Int_t *	nd,
		const Int_t	nsteps,
		Int_t *	lstki,
		Int_t *	lstkr,
		Int_t *	iw,
		Int_t *	info,
		Double_t &	ops
	)

staticprotected

Help routine for pivoting setup.

Definition at line 1637 of file TDecompSparse.cxx.

◆ MinIntWorkspace()

Int_t TDecompSparse::MinIntWorkspace ( )

inlineprotected

Definition at line 123 of file TDecompSparse.h.

◆ MinRealWorkspace()

Int_t TDecompSparse::MinRealWorkspace ( )

inlineprotected

Definition at line 122 of file TDecompSparse.h.

◆ NonZerosUpperTriang()

Int_t TDecompSparse::NonZerosUpperTriang ( const TMatrixDSparse & a )

staticprotected

Static function, returning the number of non-zero entries in the upper triangular matrix .

Definition at line 115 of file TDecompSparse.cxx.

◆ operator=()

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

Assignment operator.

Definition at line 2702 of file TDecompSparse.cxx.

◆ Print()

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

Print class members.

Definition at line 2686 of file TDecompSparse.cxx.

◆ SetMatrix()

void TDecompSparse::SetMatrix ( const TMatrixDSparse & a )

virtual

Set matrix to be decomposed .

Definition at line 161 of file TDecompSparse.cxx.

◆ SetThresholdPivoting()

void TDecompSparse::SetThresholdPivoting ( Double_t piv )

inlineprotected

Definition at line 136 of file TDecompSparse.h.

◆ SetTreatAsZero()

void TDecompSparse::SetTreatAsZero ( Double_t tol )

inlineprotected

Definition at line 137 of file TDecompSparse.h.

◆ SetVerbose()

void TDecompSparse::SetVerbose ( Int_t v )

inline

Definition at line 150 of file TDecompSparse.h.

◆ Solve() [1/4]

void TDecompSparse::Solve	(	const Int_t	n,
		TArrayD &	Aa,
		TArrayI &	Aiw,
		TArrayD &	Aw,
		const Int_t	maxfrt,
		TVectorD &	b,
		TArrayI &	Aiw1,
		const Int_t	nsteps,
		Int_t *	icntl,
		Int_t *	info
	)

staticprotected

Main routine for solving Ax=b.

Definition at line 738 of file TDecompSparse.cxx.

◆ Solve() [2/4]

Bool_t TDecompSparse::Solve ( TVectorD & b )

virtual

Solve Ax=b . Solution returned in b.

Implements TDecompBase.

Definition at line 341 of file TDecompSparse.cxx.

◆ Solve() [3/4]

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

inlinevirtual

Implements TDecompBase.

Definition at line 161 of file TDecompSparse.h.

◆ Solve() [4/4]

virtual Bool_t TDecompSparse::Solve ( TMatrixDColumn & )

inlinevirtual

Implements TDecompBase.

Definition at line 162 of file TDecompSparse.h.

◆ Solve_sub1()

void TDecompSparse::Solve_sub1	(	const Int_t	n,
		Double_t *	a,
		Int_t *	iw,
		Double_t *	w,
		Double_t *	rhs,
		Int_t *	iw2,
		const Int_t	nblk,
		Int_t &	latop,
		Int_t *	icntl
	)

staticprotected

Help routine for solving.

Definition at line 2423 of file TDecompSparse.cxx.

◆ Solve_sub2()

void TDecompSparse::Solve_sub2	(	const Int_t	n,
		Double_t *	a,
		Int_t *	iw,
		Double_t *	w,
		Double_t *	rhs,
		Int_t *	iw2,
		const Int_t	nblk,
		const Int_t	latop,
		Int_t *	icntl
	)

staticprotected

Help routine for solving.

Definition at line 2553 of file TDecompSparse.cxx.

◆ TransSolve() [1/3]

virtual Bool_t TDecompSparse::TransSolve ( TVectorD & b )

inlinevirtual

Implements TDecompBase.

Definition at line 164 of file TDecompSparse.h.

◆ TransSolve() [2/3]

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

inlinevirtual

Implements TDecompBase.

Definition at line 165 of file TDecompSparse.h.

◆ TransSolve() [3/3]

virtual Bool_t TDecompSparse::TransSolve ( TMatrixDColumn & )

inlinevirtual

Implements TDecompBase.

Definition at line 166 of file TDecompSparse.h.

Member Data Documentation

◆ fA

TMatrixDSparse TDecompSparse::fA

protected

Definition at line 69 of file TDecompSparse.h.

◆ fCntl

Double_t TDecompSparse::fCntl[6]

protected

Definition at line 50 of file TDecompSparse.h.

◆ fColFact

TArrayI TDecompSparse::fColFact

protected

Definition at line 75 of file TDecompSparse.h.

◆ fFact

TArrayD TDecompSparse::fFact

protected

Definition at line 72 of file TDecompSparse.h.

◆ fIcntl

Int_t TDecompSparse::fIcntl[31]

protected

Definition at line 49 of file TDecompSparse.h.

◆ fIkeep

TArrayI TDecompSparse::fIkeep

protected

Definition at line 57 of file TDecompSparse.h.

◆ fInfo

Int_t TDecompSparse::fInfo[21]

protected

Definition at line 51 of file TDecompSparse.h.

◆ fIPessimism

Double_t TDecompSparse::fIPessimism

protected

Definition at line 65 of file TDecompSparse.h.

◆ fIw

TArrayI TDecompSparse::fIw

protected

Definition at line 58 of file TDecompSparse.h.

◆ fIw1

TArrayI TDecompSparse::fIw1

protected

Definition at line 59 of file TDecompSparse.h.

◆ fIw2

TArrayI TDecompSparse::fIw2

protected

Definition at line 60 of file TDecompSparse.h.

◆ fMaxfrt

Int_t TDecompSparse::fMaxfrt

protected

Definition at line 62 of file TDecompSparse.h.

◆ fNnonZeros

Int_t TDecompSparse::fNnonZeros

protected

Definition at line 71 of file TDecompSparse.h.

◆ fNrows

Int_t TDecompSparse::fNrows

protected

Definition at line 70 of file TDecompSparse.h.

◆ fNsteps

Int_t TDecompSparse::fNsteps

protected

Definition at line 61 of file TDecompSparse.h.

◆ fPrecision

Double_t TDecompSparse::fPrecision

protected

Definition at line 53 of file TDecompSparse.h.

◆ fRowFact

TArrayI TDecompSparse::fRowFact

protected

Definition at line 74 of file TDecompSparse.h.

◆ fRPessimism

Double_t TDecompSparse::fRPessimism

protected

Definition at line 66 of file TDecompSparse.h.

◆ fVerbose

Int_t TDecompSparse::fVerbose

protected

Definition at line 47 of file TDecompSparse.h.

◆ fW

TArrayD TDecompSparse::fW

protected

Definition at line 63 of file TDecompSparse.h.

Libraries for TDecompSparse:

[legend]

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

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

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ TDecompSparse() [1/5]

◆ TDecompSparse() [2/5]

◆ TDecompSparse() [3/5]

◆ TDecompSparse() [4/5]

◆ TDecompSparse() [5/5]

◆ ~TDecompSparse()

Member Function Documentation

◆ CopyUpperTriang()

◆ Decompose()

◆ Det()

◆ ErrorFlag()

◆ Factor()

◆ Factor_sub1()

◆ Factor_sub2()

◆ Factor_sub3()

◆ GetDecompMatrix()

◆ GetNcols()

◆ GetNrows()

◆ GetThresholdPivoting()

◆ GetTreatAsZero()

◆ IDiag()

◆ IError()

◆ InitParam()

◆ InitPivot()

◆ InitPivot_sub1()

◆ InitPivot_sub2()

◆ InitPivot_sub2a()

◆ InitPivot_sub3()

◆ InitPivot_sub4()

◆ InitPivot_sub5()

◆ InitPivot_sub6()

◆ MinIntWorkspace()

◆ MinRealWorkspace()

◆ NonZerosUpperTriang()

◆ operator=()

◆ Print()

◆ SetMatrix()

◆ SetThresholdPivoting()

◆ SetTreatAsZero()

◆ SetVerbose()

◆ Solve() [1/4]

◆ Solve() [2/4]

◆ Solve() [3/4]

◆ Solve() [4/4]

◆ Solve_sub1()

◆ Solve_sub2()

◆ TransSolve() [1/3]

◆ TransSolve() [2/3]

◆ TransSolve() [3/3]

Member Data Documentation

◆ fA

◆ fCntl

◆ fColFact

◆ fFact

◆ fIcntl

◆ fIkeep

◆ fInfo

◆ fIPessimism

◆ fIw

◆ fIw1

◆ fIw2

◆ fMaxfrt

◆ fNnonZeros

◆ fNrows

◆ fNsteps

◆ fPrecision

◆ fRowFact

◆ fRPessimism

◆ fVerbose

◆ fW