source: HiSusy/trunk/Delphes-3.0.0/external/fastjet/plugins/SISCone/reference.h @ 1

Last change on this file since 1 was 1, checked in by zerwas, 11 years ago

first import of structure, PYTHIA8 and DELPHES

File size: 4.2 KB
Line 
1// -*- C++ -*-
2///////////////////////////////////////////////////////////////////////////////
3// File: reference.h                                                         //
4// Description: header file for checkxor management (Creference class)       //
5// This file is part of the SISCone project.                                 //
6// For more details, see http://projects.hepforge.org/siscone                //
7//                                                                           //
8// Copyright (c) 2006 Gavin Salam and Gregory Soyez                          //
9//                                                                           //
10// This program is free software; you can redistribute it and/or modify      //
11// it under the terms of the GNU General Public License as published by      //
12// the Free Software Foundation; either version 2 of the License, or         //
13// (at your option) any later version.                                       //
14//                                                                           //
15// This program is distributed in the hope that it will be useful,           //
16// but WITHOUT ANY WARRANTY; without even the implied warranty of            //
17// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             //
18// GNU General Public License for more details.                              //
19//                                                                           //
20// You should have received a copy of the GNU General Public License         //
21// along with this program; if not, write to the Free Software               //
22// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA //
23//                                                                           //
24// $Revision:: 859                                                          $//
25// $Date:: 2012-11-28 02:49:23 +0100 (Wed, 28 Nov 2012)                     $//
26///////////////////////////////////////////////////////////////////////////////
27
28#ifndef __REFERENCE_H__
29#define __REFERENCE_H__
30
31namespace siscone{
32
33/**
34 * \class Creference
35 * \brief references used for checksums.
36 *
37 * This class implements some reference variable
38 * that can be used for checksums. Those checksums
39 * are useful to disentengle between contents of two
40 * cones without looking into their explicit particle
41 * contents.
42 */
43class Creference{
44 public:
45  /// default constructor
46  Creference();
47
48  /// create a random reference
49  void randomize();
50
51  /// test emptyness
52  bool is_empty();
53
54  /// test non-emptyness
55  bool not_empty();
56
57  /// assignment of reference
58  Creference& operator = (const Creference &r);
59
60  /// addition of reference
61  Creference operator + (const Creference &r);
62
63  /// incrementation of reference
64  Creference& operator += (const Creference &r);
65
66  /// decrementation of reference
67  Creference& operator -= (const Creference &r);
68
69  /// accessing the reference
70  inline unsigned int operator[] (int i) {return ref[i];}
71
72  unsigned int ref[3];   ///< actual data for the reference
73};
74
75/// addition of two references
76Creference operator + (Creference &r1, Creference &r2);
77
78/// equality test of two references
79bool operator == (const Creference &r1, const Creference &r2);
80
81/// difference test of two references
82bool operator != (const Creference &r1, const Creference &r2);
83
84/// ordering of two references
85bool operator < (const Creference &r1, const Creference &r2);
86
87
88//=============== inline material ================
89
90// equality test for two references
91//----------------------------------
92inline bool operator == (const Creference &r1, const Creference &r2){
93  return (r1.ref[0]==r2.ref[0]) && (r1.ref[1]==r2.ref[1]) && (r1.ref[2]==r2.ref[2]);
94}
95
96// difference test for two references
97//----------------------------------
98inline bool operator != (const Creference &r1, const Creference &r2){
99  return (r1.ref[0]!=r2.ref[0]) || (r1.ref[1]!=r2.ref[1]) || (r1.ref[2]!=r2.ref[2]);
100}
101
102// difference test for two references
103//----------------------------------
104inline bool operator < (const Creference &r1, const Creference &r2){
105  return (r1.ref[0]<r2.ref[0]) || ((r1.ref[0]==r2.ref[0]) && 
106                                   ((r1.ref[1]<r2.ref[1]) || ((r1.ref[1]==r2.ref[1]) && (r1.ref[2]<r2.ref[2]))
107                                    ));
108}
109
110}
111#endif
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