evtgen is hosted by Hepforge, IPPP Durham
EvtGen  2.0.0
Monte Carlo generator of particle decays, in particular the weak decays of heavy flavour particles such as B mesons.
EvtBtoXsgammaFixedMass.cpp
Go to the documentation of this file.
1 
2 /***********************************************************************
3 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors *
4 * *
5 * This file is part of EvtGen. *
6 * *
7 * EvtGen is free software: you can redistribute it and/or modify *
8 * it under the terms of the GNU General Public License as published by *
9 * the Free Software Foundation, either version 3 of the License, or *
10 * (at your option) any later version. *
11 * *
12 * EvtGen is distributed in the hope that it will be useful, *
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15 * GNU General Public License for more details. *
16 * *
17 * You should have received a copy of the GNU General Public License *
18 * along with EvtGen. If not, see <https://www.gnu.org/licenses/>. *
19 ***********************************************************************/
20 
22 
23 #include "EvtGenBase/EvtPatches.hh"
24 #include "EvtGenBase/EvtReport.hh"
25 
27 
28 #include <fstream>
29 #include <stdlib.h>
30 using std::endl;
31 using std::fstream;
32 
33 void EvtBtoXsgammaFixedMass::init( int nArg, double* args )
34 {
35  if ( nArg > 2 || nArg < 1 ) {
36  EvtGenReport( EVTGEN_ERROR, "EvtGen" )
37  << "EvtBtoXsgamma generator model "
38  << "EvtBtoXsgammaFixedMass expected "
39  << "either 1(default config) or two arguments but found: " << nArg
40  << endl;
41  EvtGenReport( EVTGEN_ERROR, "EvtGen" )
42  << "Will terminate execution!" << endl;
43  ::abort();
44  }
45 
46  if ( nArg == 1 ) {
47  _mH = 2.0;
48  } else {
49  _mH = args[1];
50  }
51 }
52 
53 double EvtBtoXsgammaFixedMass::GetMass( int /*Xscode*/ )
54 {
55  return _mH;
56 }
void init(int, double *) override
std::ostream & EvtGenReport(EvtGenSeverity severity, const char *facility=0)
Definition: EvtReport.cpp:33
double GetMass(int code) override