ClassWork

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp19
{
    class Program
    {
        static void Main(string[] args)
        {
            myComplex c1 = new myComplex(4, 3.3);
            Console.WriteLine("Модуль исходного комплексного числа = " +
            c1.Mod());
            while (c1)
            {
                Console.Write("c1 => "); display(c1);
                c1--;
            }
            Console.WriteLine("Модуль полученного числа = " +
            c1.Mod());
            Console.WriteLine("Число принадлежит кругу с радиусом 1.");
            Console.ReadKey();
        }

        static void display(myComplex cs)
        {
            Console.WriteLine("real=" + cs.re + ", image=" + cs.im);
        }

    }
    class myComplex
    {
        public double re, im;
        public myComplex(double xre, double xim)
        { re = xre; im = xim; }
        public static myComplex operator --(myComplex mc)
        { mc.re--; mc.im--; return mc; }
        public static myComplex operator ++(myComplex mc)
        { mc.re++; mc.im++; return mc; }

        public double Mod() { return Math.Abs(re * re + im * im); }
        static public bool operator true(myComplex f)
        {
            if (f.Mod() > 1.0) return true;
            else return false;
        }
        static public bool operator false(myComplex f)
        {
            if (f.Mod() <= 1.0) return true;
            else return false;
        }

        public static myComplex operator +(myComplex a, myComplex b)
        {
            return new myComplex(a.re + b.re, a.im + b.im);
        }
        public static myComplex operator -(myComplex a, myComplex b)
        {
            return new myComplex(a.re - b.re, a.im - b.im);
        }
        public static myComplex operator *(myComplex a, myComplex b)
        {
            return new myComplex(a.re * b.re - a.im * b.im, a.re * b.im + a.im * b.re);
        }
        public static myComplex operator /(myComplex a, myComplex b)
        {
            return new myComplex((a.re * b.re + a.im + b.im) / (b.re * b.re + b.im * b.im), (a.im * b.re - a.re * b.im) / (b.re * b.re + b.im * b.im));
        }
    }
}