using System;
public struct Complex
{
public Complex( double real, double imaginary ) {
this.real = real;
this.imaginary = imaginary;
}
static public Complex Add( Complex lhs, Complex rhs ) {
return new Complex( lhs.real + rhs.real, lhs.imaginary + rhs.imaginary );
}
static public Complex Add( Complex lhs, double rhs ) {
return new Complex( rhs + lhs.real, lhs.imaginary );
}
public override string ToString() {
return String.Format( "({0}, {1})", real, imaginary );
}
static public Complex operator+( Complex lhs, Complex rhs ) {
return Add( lhs, rhs );
}
static public Complex operator+( double lhs, Complex rhs ) {
return Add( rhs, lhs );
}
static public Complex operator+( Complex lhs, double rhs ) {
return Add( lhs, rhs );
}
private double real;
private double imaginary;
}
public class MainClass
{
static void Main() {
Complex cpx1 = new Complex( 1.0, 3.0 );
Complex cpx2 = new Complex( 1.0, 2.0 );
Complex cpx3 = cpx1 + cpx2;
Complex cpx4 = 20.0 + cpx1;
Complex cpx5 = cpx1 + 25.0;
Console.WriteLine( "cpx1 == {0}", cpx1 );
Console.WriteLine( "cpx2 == {0}", cpx2 );
Console.WriteLine( "cpx3 == {0}", cpx3 );
Console.WriteLine( "cpx4 == {0}", cpx4 );
Console.WriteLine( "cpx5 == {0}", cpx5 );
}
}
cpx1 == (1, 3)
cpx2 == (1, 2)
cpx3 == (2, 5)
cpx4 == (21, 3)
cpx5 == (26, 3)