EdbCombGen Class Reference

objects combinations generator More...

#include <EdbCombGen.h>

Inheritance diagram for EdbCombGen:

Collaboration diagram for EdbCombGen:

Public Member Functions
	EdbCombGen ()
	EdbCombGen (TObjArray &elements, int nitems=-1)
bool	NextCombination (TObjArray &selected, TObjArray &regected)
	~EdbCombGen ()

Private Attributes
vector< bool >	eBits
	bits array More...
TObjArray	eElements
	objects to be combinated More...
Int_t	eItems
	number of items to be selected More...
Bool_t	eNext
Int_t	eSize
	total number of items More...

Detailed Description

objects combinations generator

Constructor & Destructor Documentation

EdbCombGen() [1/2]

EdbCombGen::EdbCombGen ( )

inline

{}

EdbCombGen() [2/2]

EdbCombGen::EdbCombGen	(	TObjArray &	elements,
		int	nitems = -1
	)

~EdbCombGen()

EdbCombGen::~EdbCombGen ( )

inline

{}

Member Function Documentation

NextCombination()

bool EdbCombGen::NextCombination	(	TObjArray &	selected,
		TObjArray &	regected
	)

{
            selected.Clear();
            rejected.Clear();
 
            if ( !eNext )                return false;
 
            int nfound = 1;
            for ( int j = 0; j < eSize; j++ )
            {
               if (eBits[j] == true )
               {
                   selected.Add( eElements[j] );
                   nfound++;
               } else 
                   rejected.Add(eElements[j]);
            }
            eNext = next_permutation(eBits.begin(), eBits.end());
            return true;
}

Member Data Documentation

eBits

vector<bool> EdbCombGen::eBits

private

bits array

eElements

TObjArray EdbCombGen::eElements

private

objects to be combinated

eItems

Int_t EdbCombGen::eItems

private

number of items to be selected

eNext

Bool_t EdbCombGen::eNext

private

eSize

Int_t EdbCombGen::eSize

private

total number of items

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

• /home/antonio/fedra_doxygen/src/libEmath/EdbCombGen.h
• /home/antonio/fedra_doxygen/src/libEmath/EdbCombGen.cxx