IdentityMatrix Class Reference

#include <newmat.h>

Inheritance diagram for IdentityMatrix:

Public Member Functions
	IdentityMatrix ()
	~IdentityMatrix ()
	IdentityMatrix (ArrayLengthSpecifier n)
	IdentityMatrix (const IdentityMatrix &gm)
	IdentityMatrix (const BaseMatrix &)
void	operator= (const BaseMatrix &)
void	operator= (const IdentityMatrix &m)
void	operator= (Real f)
MatrixType	Type () const
LogAndSign	LogDeterminant () const
Real	Trace () const
Real	SumSquare () const
Real	SumAbsoluteValue () const
Real	Sum () const
void	GetRow (MatrixRowCol &)
void	GetCol (MatrixRowCol &)
void	GetCol (MatrixColX &)
void	NextRow (MatrixRowCol &)
void	NextCol (MatrixRowCol &)
void	NextCol (MatrixColX &)
GeneralMatrix *	MakeSolver ()
void	Solver (MatrixColX &, const MatrixColX &)
GeneralMatrix *	Transpose (TransposedMatrix *, MatrixType)
void	ReSize (int n)
void	ReSize (const GeneralMatrix &A)
MatrixBandWidth	BandWidth () const
Public Member Functions inherited from GeneralMatrix
GeneralMatrix *	Evaluate (MatrixType mt=MatrixTypeUnSp)
int	Nrows () const
int	Ncols () const
int	Storage () const
Real *	Store () const
virtual	~GeneralMatrix ()
void	tDelete ()
bool	reuse ()
void	Protect ()
int	Tag () const
bool	IsZero () const
void	Release ()
void	Release (int t)
void	ReleaseAndDelete ()
void	operator<< (const Real *)
void	operator<< (const int *)
void	operator<< (const BaseMatrix &X)
void	Inject (const GeneralMatrix &)
void	operator+= (const BaseMatrix &)
void	operator-= (const BaseMatrix &)
void	operator*= (const BaseMatrix &)
void	operator|= (const BaseMatrix &)
void	operator &= (const BaseMatrix &)
void	operator+= (Real)
void	operator-= (Real r)
void	operator*= (Real)
void	operator/= (Real r)
virtual void	RestoreRow (MatrixRowCol &)
virtual void	RestoreCol (MatrixRowCol &)
virtual void	RestoreCol (MatrixColX &)
Real	MaximumAbsoluteValue1 (int &i) const
Real	MinimumAbsoluteValue1 (int &i) const
Real	Maximum1 (int &i) const
Real	Minimum1 (int &i) const
Real	MaximumAbsoluteValue () const
Real	MaximumAbsoluteValue2 (int &i, int &j) const
Real	MinimumAbsoluteValue () const
Real	MinimumAbsoluteValue2 (int &i, int &j) const
Real	Maximum () const
Real	Maximum2 (int &i, int &j) const
Real	Minimum () const
Real	Minimum2 (int &i, int &j) const
virtual bool	IsEqual (const GeneralMatrix &) const
void	CheckStore () const
virtual void	SetParameters (const GeneralMatrix *)
	operator ReturnMatrix () const
ReturnMatrix	ForReturn () const
virtual bool	SameStorageType (const GeneralMatrix &A) const
virtual void	ReSizeForAdd (const GeneralMatrix &A, const GeneralMatrix &B)
virtual void	ReSizeForSP (const GeneralMatrix &A, const GeneralMatrix &B)
MatrixInput	operator<< (Real)
MatrixInput	operator<< (int f)
void	CleanUp ()
Public Member Functions inherited from BaseMatrix
AddedMatrix	operator+ (const BaseMatrix &) const
MultipliedMatrix	operator* (const BaseMatrix &) const
SubtractedMatrix	operator- (const BaseMatrix &) const
ConcatenatedMatrix	operator| (const BaseMatrix &) const
StackedMatrix	operator & (const BaseMatrix &) const
ShiftedMatrix	operator+ (Real) const
ScaledMatrix	operator* (Real) const
ScaledMatrix	operator/ (Real) const
ShiftedMatrix	operator- (Real) const
TransposedMatrix	t () const
NegatedMatrix	operator- () const
ReversedMatrix	Reverse () const
InvertedMatrix	i () const
RowedMatrix	AsRow () const
ColedMatrix	AsColumn () const
DiagedMatrix	AsDiagonal () const
MatedMatrix	AsMatrix (int, int) const
GetSubMatrix	SubMatrix (int, int, int, int) const
GetSubMatrix	SymSubMatrix (int, int) const
GetSubMatrix	Row (int) const
GetSubMatrix	Rows (int, int) const
GetSubMatrix	Column (int) const
GetSubMatrix	Columns (int, int) const
Real	AsScalar () const
Real	Determinant () const
Real	NormFrobenius () const
Real	Norm1 () const
Real	NormInfinity () const
void	IEQND () const

Private Member Functions
GeneralMatrix *	Image () const

Additional Inherited Members
Protected Member Functions inherited from GeneralMatrix
	GeneralMatrix ()
	GeneralMatrix (ArrayLengthSpecifier)
void	Add (GeneralMatrix *, Real)
void	Add (Real)
void	NegAdd (GeneralMatrix *, Real)
void	NegAdd (Real)
void	Multiply (GeneralMatrix *, Real)
void	Multiply (Real)
void	Negate (GeneralMatrix *)
void	Negate ()
void	ReverseElements ()
void	ReverseElements (GeneralMatrix *)
void	operator= (Real)
Real *	GetStore ()
GeneralMatrix *	BorrowStore (GeneralMatrix *, MatrixType)
void	GetMatrix (const GeneralMatrix *)
void	Eq (const BaseMatrix &, MatrixType)
void	Eq (const GeneralMatrix &)
void	Eq (const BaseMatrix &, MatrixType, bool)
void	Eq2 (const BaseMatrix &, MatrixType)
int	search (const BaseMatrix *) const
void	CheckConversion (const BaseMatrix &)
void	ReSize (int, int, int)
virtual short	SimpleAddOK (const GeneralMatrix *)
virtual void	MiniCleanUp ()
void	PlusEqual (const GeneralMatrix &gm)
void	MinusEqual (const GeneralMatrix &gm)
void	PlusEqual (Real f)
void	MinusEqual (Real f)
Protected Attributes inherited from GeneralMatrix
int	tag
int	nrows
int	ncols
int	storage
Real *	store

Detailed Description

Definition at line 1142 of file newmat.h.

Constructor & Destructor Documentation

IdentityMatrix() [1/4]

IdentityMatrix::IdentityMatrix ( )

inline

Definition at line 1146 of file newmat.h.

Referenced by Image().

:GeneralMatrix() {}

~IdentityMatrix()

IdentityMatrix::~IdentityMatrix ( )

inline

Definition at line 1147 of file newmat.h.

{}

IdentityMatrix() [2/4]

IdentityMatrix::IdentityMatrix ( ArrayLengthSpecifier  n )

inline

Definition at line 1148 of file newmat.h.

References n.

                                          : GeneralMatrix(1)
      { nrows = ncols = n.Value(); *store = 1; }

IdentityMatrix() [3/4]

IdentityMatrix::IdentityMatrix ( const IdentityMatrix &  gm )

inline

Definition at line 1150 of file newmat.h.

:GeneralMatrix(gm) { GetMatrix(&gm); }

IdentityMatrix() [4/4]

IdentityMatrix::IdentityMatrix

(

const BaseMatrix &

M

)

Definition at line 153 of file newmat4.cpp.

References GeneralMatrix::Evaluate(), GeneralMatrix::GetMatrix(), MatrixType::Id, and REPORT.

{
   REPORT //CheckConversion(M);
   // MatrixConversionCheck mcc;
   GeneralMatrix* gmx=((BaseMatrix&)M).Evaluate(MatrixType::Id);
   GetMatrix(gmx);
}

Member Function Documentation

BandWidth()

MatrixBandWidth IdentityMatrix::BandWidth ( ) const

virtual

Reimplemented from BaseMatrix.

Definition at line 433 of file newmat4.cpp.

References REPORT.

{ REPORT return 0; }

GetCol() [1/2]

void IdentityMatrix::GetCol ( MatrixRowCol &  mrc )

virtual

Implements GeneralMatrix.

Definition at line 790 of file newmat3.cpp.

References MatrixRowCol::cw, MatrixRowCol::data, MatrixRowCol::length, REPORT, MatrixRowCol::rowcol, MatrixRowCol::skip, MatrixRowCol::storage, and StoreHere.

{
   REPORT
   mrc.skip=mrc.rowcol; mrc.storage=1; mrc.length=nrows;
   if (+(mrc.cw*StoreHere))              // should not happen
      Throw(InternalException("IdentityMatrix::GetCol(MatrixRowCol&)"));
   else  { REPORT mrc.data=store; }
}

GetCol() [2/2]

void IdentityMatrix::GetCol ( MatrixColX &  mrc )

virtual

Implements GeneralMatrix.

Definition at line 799 of file newmat3.cpp.

References MatrixRowCol::data, MatrixRowCol::length, REPORT, MatrixRowCol::rowcol, MatrixRowCol::skip, MatrixRowCol::storage, and MatrixColX::store.

{
   REPORT
   mrc.skip=mrc.rowcol; mrc.storage=1; mrc.length=nrows;
   mrc.data = mrc.store+mrc.skip; *(mrc.data)=*store;
}

GetRow()

void IdentityMatrix::GetRow ( MatrixRowCol &  mrc )

virtual

Implements GeneralMatrix.

Definition at line 784 of file newmat3.cpp.

References MatrixRowCol::data, MatrixRowCol::length, REPORT, MatrixRowCol::rowcol, MatrixRowCol::skip, and MatrixRowCol::storage.

{
   REPORT
   mrc.skip=mrc.rowcol; mrc.storage=1; mrc.data=store; mrc.length=ncols;
}

Image()

GeneralMatrix * IdentityMatrix::Image ( ) const

privatevirtual

Reimplemented from GeneralMatrix.

Definition at line 831 of file newmat4.cpp.

References IdentityMatrix(), MatrixErrorNoSpace(), and REPORT.

{
   REPORT
   GeneralMatrix* gm = new IdentityMatrix(*this); MatrixErrorNoSpace(gm);
   return gm;
}

LogDeterminant()

LogAndSign IdentityMatrix::LogDeterminant ( ) const

virtual

Reimplemented from GeneralMatrix.

Definition at line 674 of file newmat8.cpp.

References LogAndSign::PowEq(), and REPORT.

{
   REPORT
   int i = nrows; LogAndSign sum;
   if (i > 0) { sum = *store; sum.PowEq(i); }
   ((GeneralMatrix&)*this).tDelete(); return sum;
}

MakeSolver()

GeneralMatrix* IdentityMatrix::MakeSolver ( )

inlinevirtual

Reimplemented from GeneralMatrix.

Definition at line 1168 of file newmat.h.

{ return this; } // for solving

NextCol() [1/2]

void IdentityMatrix::NextCol ( MatrixRowCol &  mrc )

virtual

Reimplemented from GeneralMatrix.

Definition at line 808 of file newmat3.cpp.

References MatrixRowCol::IncrId(), and REPORT.

{ REPORT mrc.IncrId(); }

NextCol() [2/2]

void IdentityMatrix::NextCol ( MatrixColX &  mrc )

virtual

Reimplemented from GeneralMatrix.

Definition at line 810 of file newmat3.cpp.

References MatrixRowCol::cw, MatrixRowCol::data, MatrixRowCol::IncrDiag(), LoadOnEntry, REPORT, MatrixRowCol::rowcol, and StoreOnExit.

{
   REPORT
   if (+(mrc.cw*StoreOnExit)) { REPORT *store=*(mrc.data); }
   mrc.IncrDiag();            // must increase mrc.data so need IncrDiag
   int t1 = +(mrc.cw*LoadOnEntry);
   if (t1 && mrc.rowcol < ncols) { REPORT *(mrc.data)=*store; }
}

NextRow()

void IdentityMatrix::NextRow ( MatrixRowCol &  mrc )

virtual

Reimplemented from GeneralMatrix.

Definition at line 806 of file newmat3.cpp.

References MatrixRowCol::IncrId(), and REPORT.

{ REPORT mrc.IncrId(); }

operator=() [1/3]

void IdentityMatrix::operator=

(

const BaseMatrix &

X

)

Definition at line 415 of file newmat6.cpp.

References MatrixType::Id, and REPORT.

{
   REPORT // CheckConversion(X);
   // MatrixConversionCheck mcc;
   Eq(X,MatrixType::Id);
}

operator=() [2/3]

void IdentityMatrix::operator= ( const IdentityMatrix &  m )

inline

Definition at line 1153 of file newmat.h.

{ Eq(m); }

operator=() [3/3]

void IdentityMatrix::operator= ( Real  f )

inline

Definition at line 1154 of file newmat.h.

References GeneralMatrix::operator=().

{ GeneralMatrix::operator=(f); }

ReSize() [1/2]

void IdentityMatrix::ReSize

(

int

n

)

Definition at line 279 of file newmat4.cpp.

References REPORT, GeneralMatrix::ReSize(), and GeneralMatrix::store.

Referenced by ReSize().

{ REPORT GeneralMatrix::ReSize(nr,nr,1); *store = 1; }

ReSize() [2/2]

void IdentityMatrix::ReSize ( const GeneralMatrix &  A )

virtual

Reimplemented from GeneralMatrix.

Definition at line 355 of file newmat4.cpp.

References A, n, REPORT, and ReSize().

{
   REPORT
   int n = A.Nrows();
   if (n != A.Ncols())
   {
      Tracer tr("IdentityMatrix::ReSize(GM)");
      Throw(NotSquareException(*this));
   }
   ReSize(n);
}

Solver()

void IdentityMatrix::Solver ( MatrixColX &  mrc, const MatrixColX &  mrc1  )

virtual

Reimplemented from GeneralMatrix.

Definition at line 513 of file newmat2.cpp.

References MatrixRowCol::data, REPORT, MatrixRowCol::skip, and MatrixRowCol::storage.

{
   // mrc = mrc / mrc1   (elementwise)
   REPORT
   int f = mrc1.skip; int f0 = mrc.skip;
   int l = f + mrc1.storage; int lx = f0 + mrc.storage;
   if (f < f0) { f = f0; if (l < f) l = f; }
   if (l > lx) { l = lx; if (f > lx) f = lx; }

   Real* elx = mrc.data; Real eldv = *store;

   int l1 = f-f0;    while (l1--) *elx++ = 0.0;
       l1 = l-f;     while (l1--) *elx++ /= eldv;
       lx -= l;      while (lx--) *elx++ = 0.0;
   // Solver makes sure input and output point to same memory
}

Sum()

Real IdentityMatrix::Sum ( ) const

inlinevirtual

Reimplemented from GeneralMatrix.

Definition at line 1161 of file newmat.h.

References Trace().

{ return Trace(); }

SumAbsoluteValue()

Real IdentityMatrix::SumAbsoluteValue ( ) const

virtual

Reimplemented from GeneralMatrix.

Definition at line 410 of file newmat8.cpp.

References REPORT, and Trace().

   { REPORT  return fabs(Trace()); }    // no need to do tDelete?

SumSquare()

Real IdentityMatrix::SumSquare ( ) const

virtual

Reimplemented from GeneralMatrix.

Definition at line 426 of file newmat8.cpp.

{
   Real sum = *store * *store * nrows;
   ((GeneralMatrix&)*this).tDelete(); return sum;
}

Trace()

Real IdentityMatrix::Trace ( ) const

virtual

Reimplemented from BaseMatrix.

Definition at line 602 of file newmat8.cpp.

{
   Real sum = *store * nrows;
   ((GeneralMatrix&)*this).tDelete(); return sum;
}

Transpose()

GeneralMatrix * IdentityMatrix::Transpose ( TransposedMatrix *  , MatrixType  mt  )

virtual

Reimplemented from GeneralMatrix.

Definition at line 76 of file newmat5.cpp.

References REPORT.

{ REPORT return Evaluate(mt); }

Type()

MatrixType IdentityMatrix::Type ( ) const

virtual

Implements GeneralMatrix.

Definition at line 427 of file newmat4.cpp.

References MatrixType::Id.

{ return MatrixType::Id; }

---

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

• newmat.h
• newmat2.cpp
• newmat3.cpp
• newmat4.cpp
• newmat5.cpp
• newmat6.cpp
• newmat8.cpp