ComplexNumber : IComparable : Data Structure C# Examples

    
public  class  ComplexNumber  :  System.IComparable
{
      public  ComplexNumber(  int  real,  int  imaginary  )
      {
            this.real  =  real;
            this.imaginary  =  imaginary;
      }

      public  override  bool  Equals(  object  obj  )
      {
            ComplexNumber  other  =  obj  as  ComplexNumber;

            if(  other  ==  null  )
            {
                  return  false;
            }

            return  (this.real  ==  other.real)  &&  (this.imaginary  ==  other.imaginary);
      }

      public  override  int  GetHashCode()
      {
            return  (int)  real  ^  (int)  imaginary;
      }

      public  static  bool  operator==(  ComplexNumber  me,  ComplexNumber  other  )
      {
            return  Equals(  me,  other  );
      }

      public  static  bool  operator!=(  ComplexNumber  me,  ComplexNumber  other  )
      {
            return  Equals(  me,  other  );
      }

      public  double  Magnitude
      {
            get
            {
                  return  System.Math.Sqrt(  System.Math.Pow(this.real,  2)  +  System.Math.Pow(this.imaginary,  2)  );
            }
      }

      public  int  CompareTo(  object  obj  )
      {
            if(  obj  is  ComplexNumber  )
            {
                  ComplexNumber  other  =  (ComplexNumber)  obj;

                  if(  (this.real  ==  other.real)  &&
                          (this.imaginary  ==  other.imaginary)  )
                  {
                        return  0;
                  }
                  else  if(  this.Magnitude  <  other.Magnitude  )
                  {
                        return  -1;
                  }
                  else
                  {
                        return  1;
                  }
            }
            else  
            {
                  throw  new  System.ArgumentException(  "Wrong  type"  );
            }
      }

      private  double  real;
      private  double  imaginary;
}

public  class  MainClass
{
      static  void  Main()
      {
            ComplexNumber  number1  =  new  ComplexNumber(  1,  2  );
            ComplexNumber  number2  =  new  ComplexNumber(  1,  2  );
            ComplexNumber  number3  =  new  ComplexNumber(  1,  3  );

            System.Console.WriteLine(  number1.CompareTo(number2)  );
            System.Console.WriteLine(  number1.CompareTo(number3)  );

      }
}