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RestFrames  v1.0.1
RestFrames HEP Event Analysis Software Library
MinMassesSqCombJigsaw.cc
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1 // RestFrames: particle physics event analysis library
3 // --------------------------------------------------------------------
4 // Copyright (c) 2014-2016, Christopher Rogan
14 // This file is part of RestFrames.
15 //
16 // RestFrames is free software; you can redistribute it and/or modify
17 // it under the terms of the GNU General Public License as published by
18 // the Free Software Foundation; either version 2 of the License, or
19 // (at your option) any later version.
20 //
21 // RestFrames is distributed in the hope that it will be useful,
22 // but WITHOUT ANY WARRANTY; without even the implied warranty of
23 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 // GNU General Public License for more details.
25 //
26 // You should have received a copy of the GNU General Public License
27 // along with RestFrames. If not, see <http://www.gnu.org/licenses/>.
29 
30 #include "RestFrames/RestFrame.hh"
31 #include "RestFrames/MinMassesSqCombJigsaw.hh"
32 
33 namespace RestFrames {
34 
35  MinMassesSqCombJigsaw::MinMassesSqCombJigsaw(const std::string& sname,
36  const std::string& stitle,
37  int N_comb, int N_mass)
38  : CombinatoricJigsaw(sname, stitle, N_comb, N_mass),
39  m_Ncomb(N_comb), m_Nmass(N_mass) {}
40 
41  MinMassesSqCombJigsaw::~MinMassesSqCombJigsaw() {}
42 
43  bool MinMassesSqCombJigsaw::EvaluateMetric(double& metric) const {
44  double sum = 0.;
45 
46  for(int i = 0; i < m_Nmass; i++)
47  sum += GetDependancyStates(i).GetFourVector().M2();
48 
49  metric = sum;
50  return true;
51  }
52 
53 }
54