BaseFunction Class Reference

#include <BaseFunction.h>

Inheritance diagram for BaseFunction:

Public Member Functions
	BaseFunction ()
	BaseFunction (const MuScleFitDBobject *dbObject)
	Constructor when receiving database parameters. More...
std::vector< double >	fitQuality () const
	Return the vector of fit quality values. More...
std::vector< int >	identifiers () const
	Return the vector of function identifiers. More...
std::vector< double >	parameters () const
	Return the vector of parameters. More...

Protected Member Functions
template<class T >
void	convertToArrays (T **&function_, const std::vector< T * > &functionVec_)
	Convert vectors to arrays for faster random access. The first pointer is replaced, thus it is taken by reference. More...

Protected Attributes
std::vector< double >	fitQuality_
double **	fitQualityArray_
std::vector< int >	functionId_
int	iterationNum_
double **	parArray_
std::vector< double >	parVecVec_

Detailed Description

This class is used as base from scale, resolution and background functions.

Definition at line 14 of file BaseFunction.h.

Constructor & Destructor Documentation

BaseFunction::BaseFunction ( )

inline

Definition at line 17 of file BaseFunction.h.

{}

BaseFunction::BaseFunction ( const MuScleFitDBobject *  dbObject )

inline

Constructor when receiving database parameters.

Definition at line 20 of file BaseFunction.h.

References functionId_, MuScleFitDBobject::identifiers, iterationNum_, MuScleFitDBobject::parameters, and parVecVec_.

  {
    functionId_ = dbObject->identifiers;
    parVecVec_ = dbObject->parameters;
    // Needed for the tests in convertToArrays
    iterationNum_ = functionId_.size()-1;
  }

Member Function Documentation

template<class T >

void BaseFunction::convertToArrays ( T **&  function_, const std::vector< T * > &  functionVec_  )

protected

Convert vectors to arrays for faster random access. The first pointer is replaced, thus it is taken by reference.

Definition at line 56 of file BaseFunction.h.

References gather_cfg::cout, cmsRelvalreport::exit, iterationNum_, parArray_, and parVecVec_.

Referenced by BackgroundFunction::BackgroundFunction(), MomentumScaleCorrector::MomentumScaleCorrector(), BackgroundFunction::readParameters(), MomentumScaleCorrector::readParameters(), ResolutionFunction::readParameters(), and ResolutionFunction::ResolutionFunction().

{
  // Check for consistency of number of passed parameters and number of required parameters.
  int totParNums = 0;
  typename std::vector<T*>::const_iterator funcIt = functionVec_.begin();
  for( ; funcIt != functionVec_.end(); ++funcIt ) {
    totParNums += (*funcIt)->parNum();
  }
  int parVecVecSize = parVecVec_.size();
  int functionVecSize = functionVec_.size();
  if( functionVecSize != iterationNum_+1 ) {
    std::cout << "Error: inconsistent number of functions("<<functionVecSize<<") and iterations("<<iterationNum_+1<<")" << std::endl;
    exit(1);
  }
  else if( totParNums != parVecVecSize ) {
    std::cout << "Error: inconsistent total number of requested parameters("<<totParNums<<") and parameters read("<<parVecVecSize<<")" << std::endl;
    exit(1);
  }
//   else if( parVecVecSize != functionVecSize ) {
//     std::cout << "Error: inconsistent number of functions("<<functionVecSize<<") and parameter sets("<<parVecVecSize<<")" << std::endl;
//     exit(1);
//   }
//   else if( parVecVecSize != iterationNum_+1 ) {
//     std::cout << "Error: inconsistent number of parameter sets("<<parVecVecSize<<") and iterations("<<iterationNum_+1<<")" << std::endl;
//     exit(1);
//   }
  // parArray_ = new double*[parVecVecSize];

  parArray_ = new double*[functionVecSize];

//  std::vector<double>::const_iterator parVec = parVecVec_.begin();
  // iterationNum_ starts from 0.
  function_ = new T*[functionVecSize];
  typename std::vector<T * >::const_iterator func = functionVec_.begin();
  std::vector<double>::const_iterator parVec = parVecVec_.begin();

  int iterationCounter = 0;
  for( ; func != functionVec_.end(); ++func, ++iterationCounter ) {

    // Loop on the parameters size for each function and create corresponding parameter arrays
    int parNum = (*func)->parNum();
    parArray_[iterationCounter] = new double[parNum];
    for( int par = 0; par < parNum; ++par ) {
      parArray_[iterationCounter][par] = *parVec;
      ++parVec;
    }

//     parArray_[iterationCounter] = new double[parVec->size()];
//     std::vector<double>::const_iterator par = parVec->begin();
//     int parNum = 0;
//     for ( ; par != parVec->end(); ++par, ++parNum ) {
//       parArray_[iterationCounter][parNum] = *par;
//       // std::cout << "parameter["<<parNum<<"] = " << parArray_[iterationCounter][parNum] << std::endl;
//     }
//     // return make_pair(parameters, parameterErrors);

    function_[iterationCounter] = *func;
  }
}

std::vector<double> BaseFunction::fitQuality ( ) const

inline

Return the vector of fit quality values.

Definition at line 37 of file BaseFunction.h.

References parVecVec_.

                                       {
    return parVecVec_;
  }

std::vector<int> BaseFunction::identifiers ( ) const

inline

Return the vector of function identifiers.

Definition at line 29 of file BaseFunction.h.

References functionId_.

                                     {
    return functionId_;
  }

std::vector<double> BaseFunction::parameters ( void  ) const

inline

Return the vector of parameters.

Definition at line 33 of file BaseFunction.h.

References parVecVec_.

                                       {
    return parVecVec_;
  }

Member Data Documentation

std::vector<double> BaseFunction::fitQuality_

protected

Definition at line 48 of file BaseFunction.h.

double** BaseFunction::fitQualityArray_

protected

Definition at line 51 of file BaseFunction.h.

std::vector<int> BaseFunction::functionId_

protected

Definition at line 46 of file BaseFunction.h.

Referenced by BackgroundFunction::BackgroundFunction(), BaseFunction(), identifiers(), MomentumScaleCorrector::MomentumScaleCorrector(), BackgroundFunction::readParameters(), MomentumScaleCorrector::readParameters(), ResolutionFunction::readParameters(), ResolutionFunction::ResolutionFunction(), BackgroundFunction::~BackgroundFunction(), MomentumScaleCorrector::~MomentumScaleCorrector(), and ResolutionFunction::~ResolutionFunction().

int BaseFunction::iterationNum_

protected

Definition at line 52 of file BaseFunction.h.

Referenced by BaseFunction(), convertToArrays(), MomentumScaleCorrector::correct(), MomentumScaleCorrector::operator()(), BackgroundFunction::readParameters(), MomentumScaleCorrector::readParameters(), ResolutionFunction::readParameters(), ResolutionFunction::sigmaCotgTh(), ResolutionFunction::sigmaPhi(), and ResolutionFunction::sigmaPt().

double** BaseFunction::parArray_

protected

Definition at line 50 of file BaseFunction.h.

Referenced by convertToArrays(), MomentumScaleCorrector::correct(), MomentumScaleCorrector::operator()(), BackgroundFunction::readParameters(), MomentumScaleCorrector::readParameters(), ResolutionFunction::readParameters(), ResolutionFunction::sigmaCotgTh(), ResolutionFunction::sigmaPhi(), ResolutionFunction::sigmaPt(), BackgroundFunction::~BackgroundFunction(), MomentumScaleCorrector::~MomentumScaleCorrector(), and ResolutionFunction::~ResolutionFunction().

std::vector<double> BaseFunction::parVecVec_

protected

Definition at line 47 of file BaseFunction.h.

Referenced by BaseFunction(), convertToArrays(), fitQuality(), parameters(), BackgroundFunction::readParameters(), MomentumScaleCorrector::readParameters(), and ResolutionFunction::readParameters().