Base class of the selection variable objects used for pair filtering. More...

#include <SelectionVariable.h>

Classes
struct	FunctionOf
	this struct is an internal utility. More...

struct	FunctionOf< 0, returnType, parameterType, Ts... >
	this struct is an internal utility. More...

Public Types
typedef templateReturnType	variableType
	Type of the returned object. More...

typedef templateArgumentType	argumentType
	Type of the argument object. More...

typedef FunctionOf< Nargs, variableType, const argumentType & >::functionType	functionType
	Type of the function returning the value. More...

Public Member Functions
virtual	~SelectionVariable ()
	A bogus virtual denstructor.

	SelectionVariable ()
	A bogus constructor.

Static Public Member Functions
static variableType	value (const templateArgumentType &arg1, const templateArgumentType &arg2)
	Static method that return the variable associated to: More...

Static Public Attributes
static const size_t	c_Nargs = Nargs
	Number of arguments.

Detailed Description

template<class templateArgumentType, size_t Nargs, class templateReturnType = double>
class Belle2::SelectionVariable< templateArgumentType, Nargs, templateReturnType >

Base class of the selection variable objects used for pair filtering.

The filter tools are meant to select in a very flexible and efficient manner pairs of objects of type templateArgumentType. The selection decision is taken on the base of some selection variables. The arguments of the selection functions are two objects of type templateArgumentType. The selection function returns a templateReturnType which by default is a double. E.g.: To code a selection function returning the sum of two integers

 #include "tracking/trackFindingVXD/filterTools/SelectionVariable.hh"
 //...
 
class Difference: public SelectionVariable< int, int >
{
  static int
  value( const int & arg1, const int & arg2 ){
    return arg1 + arg2;
  };
 
  Difference() {};
  ~Difference() {};
};

Definition at line 52 of file SelectionVariable.h.

Member Typedef Documentation

◆ argumentType

typedef templateArgumentType argumentType

Type of the argument object.

Needed for SFINAE in Filter.hh

Definition at line 84 of file SelectionVariable.h.

◆ functionType

typedef FunctionOf<Nargs, variableType, const argumentType&>::functionType functionType

Type of the function returning the value.

Needed for the automated training

Definition at line 88 of file SelectionVariable.h.

◆ variableType

typedef templateReturnType variableType

Type of the returned object.

Needed for SFINAE in Filter.hh

Definition at line 81 of file SelectionVariable.h.

Member Function Documentation

◆ value()

static variableType value	(	const templateArgumentType &	arg1,
		const templateArgumentType &	arg2
	)

inlinestatic

Static method that return the variable associated to:

Parameters

arg1	first object of the pair
arg2	second object of the pair

N.B. this method must be static.

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

tracking/trackFindingVXD/filterMap/filterFramework/include/SelectionVariable.h

Classes

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes