EvtItgThreeCoeffFcn.cpp

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#include "EvtGenModels/EvtItgThreeCoeffFcn.hh"

#include "EvtGenBase/EvtPatches.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 )
{
}

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;
    }
}