SubtractedMatrix Class Reference

#include <newmat.h>

Inheritance diagram for SubtractedMatrix:

Public Member Functions
	~SubtractedMatrix ()
GeneralMatrix *	Evaluate (MatrixType mt=MatrixTypeUnSp)
Public Member Functions inherited from AddedMatrix
	~AddedMatrix ()
MatrixBandWidth	BandWidth () const
Public Member Functions inherited from MultipliedMatrix
	~MultipliedMatrix ()
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
virtual LogAndSign	LogDeterminant () const
Real	Determinant () const
virtual Real	SumSquare () const
Real	NormFrobenius () const
virtual Real	SumAbsoluteValue () const
virtual Real	Sum () const
virtual Real	MaximumAbsoluteValue () const
virtual Real	MaximumAbsoluteValue1 (int &i) const
virtual Real	MaximumAbsoluteValue2 (int &i, int &j) const
virtual Real	MinimumAbsoluteValue () const
virtual Real	MinimumAbsoluteValue1 (int &i) const
virtual Real	MinimumAbsoluteValue2 (int &i, int &j) const
virtual Real	Maximum () const
virtual Real	Maximum1 (int &i) const
virtual Real	Maximum2 (int &i, int &j) const
virtual Real	Minimum () const
virtual Real	Minimum1 (int &i) const
virtual Real	Minimum2 (int &i, int &j) const
virtual Real	Trace () const
Real	Norm1 () const
Real	NormInfinity () const
virtual void	CleanUp ()
void	IEQND () const

Private Member Functions
	SubtractedMatrix (const BaseMatrix *bm1x, const BaseMatrix *bm2x)

Friends
class	BaseMatrix
class	GeneralMatrix
class	GenericMatrix

Additional Inherited Members
Protected Member Functions inherited from AddedMatrix
	AddedMatrix (const BaseMatrix *bm1x, const BaseMatrix *bm2x)
Protected Member Functions inherited from MultipliedMatrix
	MultipliedMatrix (const BaseMatrix *bm1x, const BaseMatrix *bm2x)
int	search (const BaseMatrix *) const
Protected Attributes inherited from MultipliedMatrix
union {
const BaseMatrix *   bm1
GeneralMatrix *   gm1
};
union {
const BaseMatrix *   bm2
GeneralMatrix *   gm2
};

Detailed Description

Definition at line 1332 of file newmat.h.

Constructor & Destructor Documentation

SubtractedMatrix()

SubtractedMatrix::SubtractedMatrix ( const BaseMatrix *  bm1x, const BaseMatrix *  bm2x  )

inlineprivate

Definition at line 1334 of file newmat.h.

      : AddedMatrix(bm1x,bm2x) {}

~SubtractedMatrix()

SubtractedMatrix::~SubtractedMatrix ( )

inline

Definition at line 1340 of file newmat.h.

{}

Member Function Documentation

Evaluate()

GeneralMatrix * SubtractedMatrix::Evaluate ( MatrixType  mt = MatrixTypeUnSp )

virtual

Reimplemented from AddedMatrix.

Definition at line 576 of file newmat7.cpp.

References MatrixType::DataLossOK, GeneralMatrix::Evaluate(), GeneralMatrix::Ncols(), GeneralMatrix::Nrows(), REPORT, GeneralMatrix::reuse(), GeneralMatrix::SimpleAddOK(), GeneralMatrix::tDelete(), and GeneralMatrix::Type().

Referenced by GenericMatrix::operator-=().

{
   REPORT
   Tracer tr("SubtractedMatrix::Evaluate");
   gm1=((BaseMatrix*&)bm1)->Evaluate(); gm2=((BaseMatrix*&)bm2)->Evaluate();
   int nr=gm1->Nrows(); int nc=gm1->Ncols();
   if (nr!=gm2->Nrows() || nc!=gm2->Ncols())
   {
      Try { Throw(IncompatibleDimensionsException(*gm1, *gm2)); }
      CatchAll
      {
         gm1->tDelete(); gm2->tDelete();
         ReThrow;
      }
   }
   MatrixType mt1 = gm1->Type(), mt2 = gm2->Type(); MatrixType mts = mt1 + mt2;
   if (!mtd) { REPORT mtd = mts; }
   else if (!(mtd.DataLossOK || mtd >= mts))
   {
      gm1->tDelete(); gm2->tDelete();
      Throw(ProgramException("Illegal Conversion", mts, mtd));
   }
   GeneralMatrix* gmx;
   bool c1 = (mtd == mt1), c2 = (mtd == mt2);
   if ( c1 && c2 && (gm1->SimpleAddOK(gm2) == 0) )
   {
      if (gm1->reuse())
         { REPORT SubtractFrom(gm1,gm2); gm2->tDelete(); gmx = gm1; }
      else if (gm2->reuse()) { REPORT ReverseSubtract(gm2,gm1); gmx = gm2; }
      else
      {
         REPORT
         Try { gmx = mt1.New(nr,nc,this); }
         CatchAll
         {
            ReThrow;
         }
         gmx->ReleaseAndDelete(); Subtract(gmx,gm1,gm2);
      }
   }
   else
   {
      if (c1 && c2)
      {
         short SAO = gm1->SimpleAddOK(gm2);
         if (SAO & 1) { REPORT c1 = false; }
         if (SAO & 2) { REPORT c2 = false; }
      }
      if (c1 && gm1->reuse() )               // must have type test first
         { REPORT SubtractDS(gm1,gm2); gm2->tDelete(); gmx = gm1; }
      else if (c2 && gm2->reuse() )
      {
         REPORT ReverseSubtractDS(gm2,gm1);
         if (!c1) gm1->tDelete(); gmx = gm2;
      }
      else
      {
         REPORT
         // what if New throws and exception
         Try { gmx = mtd.New(nr,nc,this); }
         CatchAll
         {
            if (!c1) gm1->tDelete(); if (!c2) gm2->tDelete();
            ReThrow;
         }
         SubtractDS(gmx,gm1,gm2);
         if (!c1) gm1->tDelete(); if (!c2) gm2->tDelete();
         gmx->ReleaseAndDelete();
      }
   }
   return gmx;
}

Friends And Related Function Documentation

BaseMatrix

friend class BaseMatrix

friend

Definition at line 1336 of file newmat.h.

GeneralMatrix

friend class GeneralMatrix

friend

Definition at line 1337 of file newmat.h.

GenericMatrix

friend class GenericMatrix

friend

Definition at line 1338 of file newmat.h.

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

• newmat.h
• newmat7.cpp