EvtComplex.cpp

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#include "EvtGenBase/EvtComplex.hh"

#include "EvtGenBase/EvtPatches.hh"

#include <iostream>
#include <math.h>
using std::ostream;

ostream& operator<<( ostream& s, const EvtComplex& c )
{
    s << "(" << c._rpart << "," << c._ipart << ")";
    return s;
}

EvtComplex& EvtComplex::operator*=( EvtComplex c )
{
    double r = _rpart * c._rpart - _ipart * c._ipart;
    double i = _rpart * c._ipart + _ipart * c._rpart;

    _rpart = r;
    _ipart = i;

    return *this;
}

EvtComplex& EvtComplex::operator/=( EvtComplex c )
{
    double inv = 1.0 / ( c._rpart * c._rpart + c._ipart * c._ipart );

    double r = inv * ( _rpart * c._rpart + _ipart * c._ipart );
    double i = inv * ( _ipart * c._rpart - _rpart * c._ipart );

    _rpart = r;
    _ipart = i;

    return *this;
}