EvtItgThreeCoeffFcn.cc

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//--------------------------------------------------------------------------
//
//
// Copyright Information: See EvtGen/COPYRIGHT
//
// Environment:
//      This software is part of the EvtGen package developed jointly
//      for the BaBar and CLEO collaborations.  If you use all or part
//      of it, please give an appropriate acknowledgement.
//
// Module: EvtItgThreeCoeffFcn.cc
//
// Description:
//      Class describing a function with three vectors of coefficients.
//
// Modification history:
//
//    Jane Tinslay                March 21, 2001       Module created
//
//------------------------------------------------------------------------
#include "../EvtGenBase/EvtPatches.hh"
 
#include "EvtItgThreeCoeffFcn.hh"
 
//-------------
// C Headers --
//-------------
extern "C" {}
 
EvtItgThreeCoeffFcn::EvtItgThreeCoeffFcn(
    double ( *theFunction )( double, const std::vector<double>&, const std::vector<double>&,
                             const std::vector<double>& ),
    double lowerRange, double upperRange, const std::vector<double>& coeffs1,
    const std::vector<double>& coeffs2, const std::vector<double>& coeffs3 )
    : EvtItgAbsFunction( lowerRange, upperRange )
    , _myFunction( theFunction )
    , _coeffs1( coeffs1 )
    , _coeffs2( coeffs2 )
    , _coeffs3( coeffs3 ) {}
 
EvtItgThreeCoeffFcn::~EvtItgThreeCoeffFcn() {}
 
double EvtItgThreeCoeffFcn::myFunction( double x ) const {
  return _myFunction( x, _coeffs1, _coeffs2, _coeffs3 );
}
 
void EvtItgThreeCoeffFcn::setCoeff( int vect, int which, double value ) {
  if ( vect == 1 ) _coeffs1[which] = value;
  else if ( vect == 2 ) _coeffs2[which] = value;
  else if ( vect == 3 ) _coeffs3[which] = value;
}
 
double EvtItgThreeCoeffFcn::getCoeff( int vect, int which ) {
  if ( vect == 1 ) return _coeffs1[which];
  else if ( vect == 2 ) return _coeffs2[which];
  else if ( vect == 3 ) return _coeffs3[which];
  else { return 0; }
}