BCDataPoint Class Reference

A class representing a data point. More...

#include <BCDataPoint.h>

Public Member Functions
Constructors and destructors
	BCDataPoint (int nvariables)
	BCDataPoint (const std::vector< double > &x)
Member functions (get)
double	GetValue (unsigned index) const
const std::vector< double > &	GetValues () const
unsigned int	GetNValues () const
Member functions (set)
void	SetValue (unsigned index, double value)
void	SetValues (const std::vector< double > &values)

Private Attributes
std::vector< double >	fData

Detailed Description

A class representing a data point.

Author

Daniel Kollar

Kevin Kröninger

Version

1.0

Date

08.2008 This class represents a data point which is the basic unit of information. A data point can be an event, a bin content, etc. Each data point can store several variables of type double. The variables are organized in a vector.

Definition at line 31 of file BCDataPoint.h.

Constructor & Destructor Documentation

BCDataPoint::BCDataPoint

(

int

nvariables)

A constructor.

Parameters

nvariables

The number of variables stored in a data. object

Definition at line 19 of file BCDataPoint.cxx.

{
   // assign the specified number of variables to the data
   // point and fill with zero
   fData.assign(nvariables, 0.);
}

BCDataPoint::BCDataPoint

(

const std::vector< double > &

x)

A constructor.

Parameters

x	The vector containing the data.

Definition at line 27 of file BCDataPoint.cxx.

{
   // copy all values of x to the data point
   fData = x;
}

Member Function Documentation

unsigned int BCDataPoint::GetNValues ( ) const

inline

Returns the number of values.

Definition at line 65 of file BCDataPoint.h.

         { return fData.size(); };

double BCDataPoint::GetValue

(

unsigned

index)

const

Parameters

index

The index of the variable.

Returns

The value of the variable.

Definition at line 34 of file BCDataPoint.cxx.

{
   double value;

   // check if index is in range. return value if true ...
   if (index < fData.size())
      value = fData[index];
   // ... or give error if not.
   else {
      // exit on error
      BCLog::OutError(
            Form("BCDataPoint::GetValue : Index %u out of range (%u to %u).",
                 index, 0, unsigned(fData.size()-1)));
      exit(1);
   }

   return value;
}

const std::vector<double>& BCDataPoint::GetValues ( ) const

inline

Returns

A vector of values.

Definition at line 60 of file BCDataPoint.h.

         { return fData; };

void BCDataPoint::SetValue	(	unsigned	index,
		double	value
	)

Set the value of a variable.

Parameters

index	The index of the variable
value	The value of the variable

Definition at line 54 of file BCDataPoint.cxx.

{
   // check if index is in range. set value if true ...
   if (index < fData.size())
      fData[index] = value;
   // ... or give error if not.
   else {
      // exit on error
      BCLog::OutError(
            Form("BCDataPoint::SetValue : Index %u out of range (%u to %u).",
                 index, 0 , unsigned(fData.size()-1)));
      exit(1);
   }
}

void BCDataPoint::SetValues

(

const std::vector< double > &

values)

Set the values of all variables.

Parameters

values

A vector of values

Definition at line 70 of file BCDataPoint.cxx.

{
   // check if sizes are the same. if true, clear the data point and copy from
   // the vector passed to the method ...
   if (values.size() == fData.size())
   {
      fData = values;
   }
   // ... or give error if the size if not the same.
   else {
      BCLog::OutError("BCDataPoint::SetValues : Vectors have different ranges.");
      exit(1);
   }
}

Member Data Documentation

std::vector<double> BCDataPoint::fData

private

The vector containing the values of the variables.

Definition at line 90 of file BCDataPoint.h.

---

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

• BCDataPoint.h
• BCDataPoint.cxx