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EvtGen  2.0.0
Monte Carlo generator of particle decays, in particular the weak decays of heavy flavour particles such as B mesons.
EvtItgPtrFunction.cpp
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20 
22 
23 #include "EvtGenBase/EvtPatches.hh"
24 
25 //-------------
26 // C Headers --
27 //-------------
28 extern "C" {
29 }
30 
31 //----------------
32 // Constructors --
33 //----------------
35  double ( *theFunction )( double, const std::vector<double>& ),
36  double lowerRange, double upperRange, const std::vector<double>& coeffs1 ) :
37  EvtItgAbsFunction( lowerRange, upperRange ),
38  _myFunction( theFunction ),
39  _coeffs1( coeffs1 )
40 {
41 }
42 
43 double EvtItgPtrFunction::myFunction( double x ) const
44 {
45  return _myFunction( x, _coeffs1 );
46 }
47 
48 void EvtItgPtrFunction::setCoeff( int vect, int which, double value )
49 {
50  if ( vect == 1 )
51  _coeffs1[which] = value;
52 }
53 
54 double EvtItgPtrFunction::getCoeff( int vect, int which )
55 {
56  if ( vect == 1 )
57  return _coeffs1[which];
58  else {
59  return 0;
60  }
61 }
EvtItgPtrFunction(double(*theFunction)(double, const std::vector< double > &), double lowerRange, double upperRange, const std::vector< double > &coeffs1)
double myFunction(double x) const override
double getCoeff(int, int) override
virtual double value(double x) const
double(* _myFunction)(double x, const std::vector< double > &coeffs1)
void setCoeff(int, int, double) override
std::vector< double > _coeffs1