hash.h

// -*- C++ -*-
// File: hash.h                                                              //
// Description: header file for classes hash_element and hash_cones          //
// This file is part of the SISCone project.                                 //
// For more details, see http://projects.hepforge.org/siscone                //
//                                                                           //
// Copyright (c) 2006 Gavin Salam and Gregory Soyez                          //
//                                                                           //
// This program is free software; you can redistribute it and/or modify      //
// it under the terms of the GNU General Public License as published by      //
// the Free Software Foundation; either version 2 of the License, or         //
// (at your option) any later version.                                       //
//                                                                           //
// This program is distributed in the hope that it will be useful,           //
// but WITHOUT ANY WARRANTY; without even the implied warranty of            //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             //
// GNU General Public License for more details.                              //
//                                                                           //
// You should have received a copy of the GNU General Public License         //
// along with this program; if not, write to the Free Software               //
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA //
//                                                                           //
// $Revision::                                                              $//
// $Date::                                                                  $//
 
#ifndef __HASH_H__
#define __HASH_H__
 
#include "momentum.h"
#include "reference.h"
 
namespace siscone{
 
class hash_element{
 public:
  Creference ref;      
  double eta;          
  double phi;          
  bool is_stable;      
 
  hash_element *next;  
};
 
class hash_cones{
 public:
  hash_cones(int _Np, double _R2);
 
  ~hash_cones();
 
  int insert(Cmomentum *v, Cmomentum *parent, Cmomentum *child, bool p_io, bool c_io);
 
  int insert(Cmomentum *v);
 
  hash_element **hash_array;
 
  int n_cones;
 
#ifdef DEBUG_STABLE_CONES
  int n_occupied_cells;
#endif
 
  int mask;
 
  double R2;
 
  inline bool is_inside(Cmomentum *centre, Cmomentum *v);
};
 
}
#endif