ROOT::Minuit2::MnUserCovariance Class Reference

Description

Class containing the covariance matrix data represented as a vector of size n*(n+1)/2 Used to hide internal matrix representation to user

Definition at line 27 of file MnUserCovariance.h.

Collaboration diagram for ROOT::Minuit2::MnUserCovariance:

Public Member Functions
	MnUserCovariance ()
	MnUserCovariance (const double *data, unsigned int nrow)
	MnUserCovariance (const MnUserCovariance &cov)
	MnUserCovariance (const std::vector< double > &data, unsigned int nrow)
	MnUserCovariance (unsigned int n)
	~MnUserCovariance ()
const std::vector< double > &	Data () const
unsigned int	Nrow () const
double &	operator() (unsigned int row, unsigned int col)
double	operator() (unsigned int row, unsigned int col) const
MnUserCovariance &	operator= (const MnUserCovariance &cov)
void	Scale (double f)
unsigned int	size () const

Private Attributes
std::vector< double >	fData
unsigned int	fNRow

Constructor & Destructor Documentation

MnUserCovariance() [1/5]

ROOT::Minuit2::MnUserCovariance::MnUserCovariance ( )

inline

Definition at line 31 of file MnUserCovariance.h.

: fData(std::vector<double>()), fNRow(0) {}

MnUserCovariance() [2/5]

ROOT::Minuit2::MnUserCovariance::MnUserCovariance ( const std::vector< double > &  data, unsigned int  nrow  )

inline

Definition at line 34 of file MnUserCovariance.h.

                                                                     :
    fData(data), fNRow(nrow) {
    assert(data.size() == nrow*(nrow+1)/2);
  }

MnUserCovariance() [3/5]

ROOT::Minuit2::MnUserCovariance::MnUserCovariance ( const double *  data, unsigned int  nrow  )

inline

Definition at line 40 of file MnUserCovariance.h.

                                                           :
     fData(std::vector<double>(data,data+nrow*(nrow+1)/2)),
     fNRow(nrow) {
  }

MnUserCovariance() [4/5]

ROOT::Minuit2::MnUserCovariance::MnUserCovariance ( unsigned int  n )

inline

Definition at line 45 of file MnUserCovariance.h.

                                   :
    fData(std::vector<double>(n*(n+1)/2, 0.)), fNRow(n) {}

~MnUserCovariance()

ROOT::Minuit2::MnUserCovariance::~MnUserCovariance ( )

inline

Definition at line 48 of file MnUserCovariance.h.

{}

MnUserCovariance() [5/5]

ROOT::Minuit2::MnUserCovariance::MnUserCovariance ( const MnUserCovariance &  cov )

inline

Definition at line 50 of file MnUserCovariance.h.

: fData(cov.fData), fNRow(cov.fNRow) {}

Member Function Documentation

Data()

const std::vector<double>& ROOT::Minuit2::MnUserCovariance::Data ( ) const

inline

Definition at line 80 of file MnUserCovariance.h.

{return fData;}

References fData.

Nrow()

unsigned int ROOT::Minuit2::MnUserCovariance::Nrow ( ) const

inline

Definition at line 82 of file MnUserCovariance.h.

{return fNRow;}

References fNRow.

operator()() [1/2]

double& ROOT::Minuit2::MnUserCovariance::operator() ( unsigned int  row, unsigned int  col  )

inline

Definition at line 68 of file MnUserCovariance.h.

                                                         {
    assert(row < fNRow && col < fNRow);
    if(row > col)
      return fData[col+row*(row+1)/2];
    else
      return fData[row+col*(col+1)/2];
  }

References fData, and fNRow.

operator()() [2/2]

double ROOT::Minuit2::MnUserCovariance::operator() ( unsigned int  row, unsigned int  col  ) const

inline

Definition at line 60 of file MnUserCovariance.h.

                                                              {
    assert(row < fNRow && col < fNRow);
    if(row > col)
      return fData[col+row*(row+1)/2];
    else
      return fData[row+col*(col+1)/2];
  }

References fData, and fNRow.

operator=()

MnUserCovariance& ROOT::Minuit2::MnUserCovariance::operator= ( const MnUserCovariance &  cov )

inline

Definition at line 52 of file MnUserCovariance.h.

                                                           {
    if(this != &cov) {
      fData = cov.fData;
      fNRow = cov.fNRow;
    }
    return *this;
  }

References fData, and fNRow.

Scale()

void ROOT::Minuit2::MnUserCovariance::Scale ( double  f )

inline

Definition at line 76 of file MnUserCovariance.h.

                       {
    for(unsigned int i = 0; i < fData.size(); i++) fData[i] *= f;
  }

References fData.

size()

unsigned int ROOT::Minuit2::MnUserCovariance::size ( ) const

inline

Definition at line 85 of file MnUserCovariance.h.

  { return static_cast < unsigned int > ( fData.size() );
  }

References fData.

Member Data Documentation

fData

std::vector<double> ROOT::Minuit2::MnUserCovariance::fData

private

Definition at line 91 of file MnUserCovariance.h.

Referenced by Data(), operator()(), operator=(), Scale(), and size().

fNRow

unsigned int ROOT::Minuit2::MnUserCovariance::fNRow

private

Definition at line 92 of file MnUserCovariance.h.

Referenced by Nrow(), operator()(), and operator=().

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

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/Fit/3rdparty/RootMinimizers/Minuit2/MnUserCovariance.h