gbl::VVector Class Reference

Simple Vector based on std::vector<double> More...

#include <VMatrix.h>

Public Member Functions
	VVector (const unsigned int nRows=0)
	VVector (const VVector &aVector)
virtual	~VVector ()
void	resize (const unsigned int nRows)
	Resize vector.
VVector	getVec (unsigned int len, unsigned int start=0) const
	Get part of vector.
void	putVec (const VVector &aVector, unsigned int start=0)
	Put part of vector.
double &	operator() (unsigned int i)
	access element (i)
double	operator() (unsigned int i) const
	access element (i)
unsigned int	getNumRows () const
	Get number of rows.
void	print () const
	Print vector.
VVector	operator- (const VVector &aVector) const
	Subtraction Vector-Vector.
VVector &	operator= (const VVector &aVector)
	Assignment Vector=Vector.

Private Attributes
unsigned int	numRows
	Number of rows.
std::vector< double >	theVec
	Data.

Detailed Description

Simple Vector based on std::vector<double>

Definition at line 22 of file VMatrix.h.

Constructor & Destructor Documentation

VVector() [1/2]

gbl::VVector::VVector

(

const unsigned int

nRows = 0

)

Definition at line 224 of file VMatrix.cc.

                                         :
        numRows(nRows), theVec(nRows) {
}

VVector() [2/2]

gbl::VVector::VVector

(

const VVector &

aVector

)

Definition at line 228 of file VMatrix.cc.

                                       :
        numRows(aVector.numRows), theVec(aVector.theVec) {
 
}

~VVector()

gbl::VVector::~VVector ( )

virtual

Definition at line 233 of file VMatrix.cc.

                  {
}

Member Function Documentation

getNumRows()

unsigned int gbl::VVector::getNumRows

(

)

const

Get number of rows.

Returns

Number of rows.

Definition at line 271 of file VMatrix.cc.

                                       {
    return numRows;
}

getVec()

VVector gbl::VVector::getVec	(	unsigned int	len,
		unsigned int	start = 0
	)		const

Get part of vector.

Parameters

[in]	len	Length of part.
[in]	start	Offset of part.

Returns

Part of vector.

Definition at line 251 of file VMatrix.cc.

                                                                  {
    VVector aResult(len);
    std::memcpy(&aResult.theVec[0], &theVec[start], sizeof(double) * len);
    return aResult;
}

operator()() [1/2]

double & gbl::VVector::operator() ( unsigned int  i )

inline

access element (i)

Definition at line 94 of file VMatrix.h.

                                                    {
    return theVec[iRow];
}

operator()() [2/2]

double gbl::VVector::operator() ( unsigned int  i ) const

inline

access element (i)

Definition at line 99 of file VMatrix.h.

                                                         {
    return theVec[iRow];
}

operator-()

VVector gbl::VVector::operator-

(

const VVector &

aVector

)

const

Subtraction Vector-Vector.

Definition at line 290 of file VMatrix.cc.

                                                       {
    VVector aResult(numRows);
    for (unsigned int i = 0; i < numRows; ++i) {
        aResult(i) = theVec[i] - aVector(i);
    }
    return aResult;
}

operator=()

VVector & gbl::VVector::operator=

(

const VVector &

aVector

)

Assignment Vector=Vector.

Definition at line 299 of file VMatrix.cc.

                                                  {
    if (this != &aVector) {   // Gracefully handle self assignment
        numRows = aVector.getNumRows();
        theVec.resize(numRows);
        for (unsigned int i = 0; i < numRows; ++i) {
            theVec[i] = aVector(i);
        }
    }
    return *this;
}

print()

void gbl::VVector::print

(

)

const

Print vector.

Definition at line 276 of file VMatrix.cc.

                          {
    std::cout << " VVector: " << numRows << std::endl;
    for (unsigned int i = 0; i < numRows; ++i) {
 
        if (i % 5 == 0) {
            std::cout << std::endl << std::setw(4) << i << "-" << std::setw(4)
                    << std::min(i + 4, numRows) << ":";
        }
        std::cout << std::setw(13) << theVec[i];
    }
    std::cout << std::endl << std::endl;
}

putVec()

void gbl::VVector::putVec	(	const VVector &	aVector,
		unsigned int	start = 0
	)

Put part of vector.

Parameters

[in]	aVector	Vector with part.
[in]	start	Offset of part.

Definition at line 262 of file VMatrix.cc.

                                                               {
    std::memcpy(&theVec[start], &aVector.theVec[0],
            sizeof(double) * aVector.numRows);
}

resize()

void gbl::VVector::resize

(

const unsigned int

nRows

)

Resize vector.

Parameters

[in]

nRows

Number of rows.

Definition at line 240 of file VMatrix.cc.

                                             {
    numRows = nRows;
    theVec.resize(nRows);
}

Member Data Documentation

numRows

unsigned int gbl::VVector::numRows

private

Number of rows.

Definition at line 37 of file VMatrix.h.

theVec

std::vector<double> gbl::VVector::theVec

private

Data.

Definition at line 38 of file VMatrix.h.

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

• genfit/GBL/include/VMatrix.h
• genfit/GBL/src/VMatrix.cc