#ifndef _CPR_COMP_HH_
#define _CPR_COMP_HH_
/******************************************************************************
 * CPR Comparisons classes header file                                        *
 *                                                                            *
 * Author: Bob Wagner, Argonne CDF Group                                      *
 *         Phone 630-252-6321 (Argonne)  630-840-8436 (Fermilab)              *
 *                                                                            *
 * Description:  Algorithmic function objects that do comparisons of CPR      *
 *               quantities.  These are meant to be used with STL algorithms. *
 *                                                                            *
 * Revision History:                                                          *
 *    08-Nov-2000   Bob Wagner   Initial creation from CesComparisons         *
 *    09-Nov-2000   Bob Wagner   Change file name to cpr_comp and add         *
 *                               namespace cpr_comp usage.  Change class names*
 *                               to give consistency with track_sort.         *
 *    18-Oct-2004   Bob Wagner   Add declaration for Kuhlmann's CPR2 pad      *
 *                               sorter.                                      *
 *    20-Oct-2004   Bob Wagner   Change type of padlist passed to cp2_find_pad*
 *                               from vector<UShort_t> to int*.               *
 *                                                                            *
 *****************************************************************************/

//---------------
// C++ Headers --
//---------------
#include <vector>

//-------------------------------
// Collaborating Class Headers --
//-------------------------------
#include "CalorObjects/CprCluster.hh"
#include "CalorObjects/CprClusterColl.hh"
#include "StorableContainers/ValueVectorLink.hh"

namespace cpr_comp {
  class DecrEnergy;
  class IncrEnergy;
}

//*****************************************************************************
// Class Declarations
//*****************************************************************************
class cpr_comp::DecrEnergy {
public:
  DecrEnergy() {}
  DecrEnergy(const DecrEnergy& right) {}
  ~DecrEnergy() {}
  bool operator ()( const CprCluster& t1,
		    const CprCluster& t2 ) const;
  bool operator ()( const ValueVectorLink<CprClusterColl>& t1,
		    const ValueVectorLink<CprClusterColl>& t2 ) const;

private:
};


class cpr_comp::IncrEnergy {
public:
  IncrEnergy() {}
  IncrEnergy(const IncrEnergy& right) {}
  ~IncrEnergy() {}
  bool operator ()( const CprCluster& t1,
		    const CprCluster& t2 ) const;
  bool operator ()( const ValueVectorLink<CprClusterColl>& t1,
		    const ValueVectorLink<CprClusterColl>& t2 ) const;

private:
};

// ************************************************************
// Steve Kuhlmann's global function to order the CPR2 pad list
// ************************************************************
void cp2_find_pad( float, float, int* );

/*===========================================================================*\
 * Inline functions                                                          *
\*===========================================================================*/
#include  "Calor/cpr_comp.icc"

/******************************************************************************
 *     ALL DONE                                                               *
 *****************************************************************************/
#endif // _CPR_COMP_HH_