EdbCombGen.cxx File Reference

#include "EdbCombGen.h"

Include dependency graph for EdbCombGen.cxx:

Functions
	ClassImp (EdbCombGen) EdbCombGen

Function Documentation

ClassImp()

ClassImp

(

EdbCombGen

)

– Author : Valeri Tioukov 31/08/2011 (modified code found in network)

                                    :    // Number of items to choose
              eElements(elements), eNext(true)
{
            eSize = elements.GetEntries();
            if ( eSize > 0 )
            {
                // If no argument given, choose all items
                if ( nitems <= 0 )       eItems = eSize;
                else                     eItems = min(nitems, eSize);
 
                // Bit vector that controls permutations
                eBits.resize( eSize, false );
 
                // Initialize nItem bits in vector to "true"
                for ( int j = eSize-eItems; j < eSize; j++ )      eBits[j] = true;
            }
            else
                eNext = false; // size is 0, so no combinations are possible
}