/*****************************************************************************
 ***   FILE: managed_op_ref.cpp
 ***   DATE: 04/10/2004
 *** AUTHOR: Daniel Dementiev
 ***   GOAL: This example show how to overload some operators for reference
 ***         managed type.
 ***         To build the project run:
 ***           ...> cl managed_op_ref.cpp /clr
 *****************************************************************************/
#using <mscorlib.dll>
using namespace System;

__gc class Complex {
   private:
      double x, y;
   public:
      Complex(double X, double Y) : x(X), y(Y) {};
      void print() { Console::WriteLine(S"{0}+{1}*i", x.ToString(), y.ToString()); };
      static Complex& op_Addition(Complex& l, Complex& r)
      {
         Complex *res = new Complex(l.x+r.x, l.y+r.y);
         return *res;
      };
      static Complex& op_Subtraction(Complex& l, Complex& r)
      {
         Complex *res = new Complex(l.x-r.x, l.y-r.y);
         return *res;
      };
      static Complex& op_UnaryNegation(Complex& r)
      {
         Complex *res = new Complex(-r.x, -r.y);
         return *res;
      };
      static Complex& op_Multiply(Complex& l, double r)
      {
         Complex *res = new Complex(r*l.x, r*l.y);
         return *res;
      };
      static Complex& op_Multiply(double r, Complex& l)
      {
         Complex *res = new Complex(r*l.x, r*l.y);
         return *res;
      };
      static Complex& op_Assign(Complex &l, Complex &r)
      {
         l.x = r.x;
         l.y = r.y;
         return l;
      };
};

void main()
{
   Complex &a = *new Complex(1, 3);
   Complex &b = *new Complex(2, 1);
   Complex &c = *new Complex(0, 0);
   c = (a + b) * 2;
   c.print();
   c = 3 * c;
   c.print();
}