FastJet  3.0.2
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
AreaDefinition.cc
1 //STARTHEADER
2 // $Id: AreaDefinition.cc 2577 2011-09-13 15:11:38Z salam $
3 //
4 // Copyright (c) 2005-2011, Matteo Cacciari, Gavin P. Salam and Gregory Soyez
5 //
6 //----------------------------------------------------------------------
7 // This file is part of FastJet.
8 //
9 // FastJet is free software; you can redistribute it and/or modify
10 // it under the terms of the GNU General Public License as published by
11 // the Free Software Foundation; either version 2 of the License, or
12 // (at your option) any later version.
13 //
14 // The algorithms that underlie FastJet have required considerable
15 // development and are described in hep-ph/0512210. If you use
16 // FastJet as part of work towards a scientific publication, please
17 // include a citation to the FastJet paper.
18 //
19 // FastJet is distributed in the hope that it will be useful,
20 // but WITHOUT ANY WARRANTY; without even the implied warranty of
21 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 // GNU General Public License for more details.
23 //
24 // You should have received a copy of the GNU General Public License
25 // along with FastJet. If not, see <http://www.gnu.org/licenses/>.
26 //----------------------------------------------------------------------
27 //ENDHEADER
28 
29 #include "fastjet/AreaDefinition.hh"
30 #include<sstream>
31 #include<string>
32 
33 using namespace std;
34 
35 FASTJET_BEGIN_NAMESPACE // defined in fastjet/internal/base.hh
36 
37 string VoronoiAreaSpec::description() const {
38  ostringstream ostr;
39  ostr << "Voronoi area with effective_Rfact = " << effective_Rfact() ;
40  return ostr.str();
41 }
42 
43 
44 //----------------------------------------------------------------------
45 /// return info about the type of area being used by this defn
46 string AreaDefinition::description() const {
47  ostringstream ostr;
48 
49  switch(area_type()) {
50  case active_area:
51  ostr << "Active area (hidden ghosts) with " ;
52  ostr << ghost_spec().description();
53  break;
54  case active_area_explicit_ghosts:
55  ostr << "Active area (explicit ghosts) with " ;
56  ostr << ghost_spec().description();
57  break;
58  case one_ghost_passive_area:
59  ostr << "Passive area (one ghost at a time) with " ;
60  ostr << ghost_spec().description();
61  break;
62  case passive_area:
63  ostr << "Passive area (optimal alg. based on jet.def.), where relevant with " ;
64  ostr << ghost_spec().description() ;
65  break;
66  case voronoi_area:
67  ostr << voronoi_spec().description();
68  break;
69  default:
70  cerr << "Error: unrecognized area_type in AreaDefinition::description():"
71  << area_type() << endl;
72  exit(-1);
73  }
74  return ostr.str();
75 }
76 
77 FASTJET_END_NAMESPACE // defined in fastjet/internal/base.hh