TSparseColMatrix Class Reference

#include <linalg.h>

Inherits TMatrix.

List of all members.

Public Member Functions
	TSparseColMatrix ()
	TSparseColMatrix (TVec< TIntFltKdV > _ColSpVV)
	TSparseColMatrix (TVec< TIntFltKdV > _ColSpVV, const int &_RowN, const int &_ColN)
void	Save (TSOut &SOut)
void	Load (TSIn &SIn)
Public Attributes
int	RowN
int	ColN
TVec< TIntFltKdV >	ColSpVV
Protected Member Functions
virtual void	PMultiply (const TFltVV &B, int ColId, TFltV &Result) const
virtual void	PMultiply (const TFltV &Vec, TFltV &Result) const
virtual void	PMultiplyT (const TFltVV &B, int ColId, TFltV &Result) const
virtual void	PMultiplyT (const TFltV &Vec, TFltV &Result) const
int	PGetRows () const
int	PGetCols () const

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Detailed Description

Definition at line 55 of file linalg.h.

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Constructor & Destructor Documentation

TSparseColMatrix::TSparseColMatrix

(

)

[inline]

Definition at line 75 of file linalg.h.

: TMatrix() {}

TSparseColMatrix::TSparseColMatrix

(

TVec< TIntFltKdV >

_ColSpVV

)

[inline]

Definition at line 76 of file linalg.h.

: TMatrix(), ColSpVV(_ColSpVV) {}

TSparseColMatrix::TSparseColMatrix	(	TVec< TIntFltKdV >	_ColSpVV,
		const int &	_RowN,
		const int &	_ColN
	)		[inline]

Definition at line 77 of file linalg.h.

                                                                                   : 
                TMatrix(), RowN(_RowN), ColN(_ColN), ColSpVV(_ColSpVV) {}

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Member Function Documentation

void TSparseColMatrix::Load

(

TSIn &

SIn

)

[inline]

Definition at line 83 of file linalg.h.

                         {
        SIn.Load(RowN); SIn.Load(ColN); ColSpVV = TVec<TIntFltKdV>(SIn); }

int TSparseColMatrix::PGetCols

(

)

const [inline, protected, virtual]

Implements TMatrix.

Definition at line 72 of file linalg.h.

{ return ColN; }

int TSparseColMatrix::PGetRows

(

)

const [inline, protected, virtual]

Implements TMatrix.

Definition at line 71 of file linalg.h.

{ return RowN; }

void TSparseColMatrix::PMultiply	(	const TFltVV &	B,
		int	ColId,
		TFltV &	Result
	)		const [protected, virtual]

Implements TMatrix.

Definition at line 3 of file linalg.cpp.

                                                                                {
    Assert(B.GetRows() >= ColN && Result.Len() >= RowN);
    int i, j; TFlt *ResV = Result.BegI();
    for (i = 0; i < RowN; i++) ResV[i] = 0.0;
    for (j = 0; j < ColN; j++) {
        const TIntFltKdV& ColV = ColSpVV[j]; int len = ColV.Len();
        for (i = 0; i < len; i++) {
            ResV[ColV[i].Key] += ColV[i].Dat * B(j,ColId);
        }
    }
}

void TSparseColMatrix::PMultiply	(	const TFltV &	Vec,
		TFltV &	Result
	)		const [protected, virtual]

Implements TMatrix.

Definition at line 15 of file linalg.cpp.

                                                                      {
    Assert(Vec.Len() >= ColN && Result.Len() >= RowN);
    int i, j; TFlt *ResV = Result.BegI();
    for (i = 0; i < RowN; i++) ResV[i] = 0.0;
    for (j = 0; j < ColN; j++) {
        const TIntFltKdV& ColV = ColSpVV[j]; int len = ColV.Len();
        for (i = 0; i < len; i++) {
            ResV[ColV[i].Key] += ColV[i].Dat * Vec[j];
        }
    }
}

void TSparseColMatrix::PMultiplyT	(	const TFltVV &	B,
		int	ColId,
		TFltV &	Result
	)		const [protected, virtual]

Implements TMatrix.

Definition at line 27 of file linalg.cpp.

                                                                                 {
    Assert(B.GetRows() >= RowN && Result.Len() >= ColN);
    int i, j, len; TFlt *ResV = Result.BegI();
    for (j = 0; j < ColN; j++) {
        const TIntFltKdV& ColV = ColSpVV[j];
        len = ColV.Len(); ResV[j] = 0.0;
        for (i = 0; i < len; i++) {
            ResV[j] += ColV[i].Dat * B(ColV[i].Key, ColId);
        }
    }
}

void TSparseColMatrix::PMultiplyT	(	const TFltV &	Vec,
		TFltV &	Result
	)		const [protected, virtual]

Implements TMatrix.

Definition at line 39 of file linalg.cpp.

                                                                       {
    Assert(Vec.Len() >= RowN && Result.Len() >= ColN);
    int i, j, len; TFlt *VecV = Vec.BegI(), *ResV = Result.BegI();
    for (j = 0; j < ColN; j++) {
        const TIntFltKdV& ColV = ColSpVV[j];
        len = ColV.Len(); ResV[j] = 0.0;
        for (i = 0; i < len; i++) {
            ResV[j] += ColV[i].Dat * VecV[ColV[i].Key];
        }
    }
}

void TSparseColMatrix::Save

(

TSOut &

SOut

)

[inline]

Definition at line 81 of file linalg.h.

                           {
        SOut.Save(RowN); SOut.Save(ColN); ColSpVV.Save(SOut); }

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Member Data Documentation

int TSparseColMatrix::ColN

Definition at line 58 of file linalg.h.

TVec<TIntFltKdV> TSparseColMatrix::ColSpVV

Definition at line 60 of file linalg.h.

int TSparseColMatrix::RowN

Definition at line 58 of file linalg.h.

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

• glib-core/linalg.h
• glib-core/linalg.cpp