using System;
public struct Complex
{
public Complex( double real, double imaginary ) {
this.real = real;
this.imaginary = imaginary;
}
// System.Object override
public override string ToString() {
return String.Format( "({0}, {1})", real, imaginary );
}
public double Magnitude {
get {
return Math.Sqrt( Math.Pow(this.real, 2) + Math.Pow(this.imaginary, 2) );
}
}
public static implicit operator Complex( double d ) {
return new Complex( d, 0 );
}
public static explicit operator double( Complex c ) {
return c.Magnitude;
}
private double real;
private double imaginary;
}
public class EntryPoint
{
static void Main() {
Complex cpx1 = new Complex( 1.0, 3.0 );
Complex cpx2 = 2.0; // Use implicit operator.
double d = (double) cpx1; // Use explicit operator.
Console.WriteLine( "cpx1 = {0}", cpx1 );
Console.WriteLine( "cpx2 = {0}", cpx2 );
Console.WriteLine( "d = {0}", d );
}
}
cpx1 = (1, 3)
cpx2 = (2, 0)
d = 3.16227766016838