d_cmplx.cpp

Digital filter designer s handbook C++ code source

//
//  file = d_cmplx.cpp
//

#include <math.h>
#include <iostream.h>

#include "d_cmplx.h"   

ostream& operator<<( ostream& s, const double_complex& z)
{
 s << "(" << real(z) << "," << imag(z) << ")";
 return s;
}

double_complex operator / ( const double_complex value1,
                           const double_complex value2)
{
  double divisor = value2.re * value2.re +
                  value2.im * value2.im;
  return double_complex( (value2.re * value1.re +
                        value2.im * value1.im) / divisor,
                        (value1.im * value2.re -
                        value1.re * value2.im) / divisor);
}