code: public static void divide(Complex_F64 a, Complex_F64 b, Complex_F64 result) {
          double norm = b.getMagnitude2();
          result.real = (a.real * b.real + a.imaginary*b.imaginary)/norm;
          result.imaginary = (a.imaginary*b.real - a.real*b.imaginary)/norm;
      }
docs: <p>
  Division: result = a / b
  </p>
  
  @param a Complex number. Not modified.
  @param b Complex number. Not modified.
  @param result Storage for output