package text.java;
public class complex_number{
    double a,b;
    public complex_number (double a,double b){
        this.a =a;
        this.b =b;
    }
    public double get_imagepart(){
        return b;
    }
    public double get_realpart(){
        return a;
    }
    public complex_number complex_add(complex_number e){
        return new complex_number(a+e.a,b+e.b);
    }
    public complex_number complex_min(complex_number e){
        return new complex_number(a-e.a,b-e.b);
    }
    public complex_number complex_mul(complex_number e){
        double c =e.get_realpart();
        double d =e.get_imagepart();
        double r =a*c-b*d;
        double i =b*c+a*d;
        return new complex_number(r,i);
    }
    public complex_number complexdiv(mycomplex e){
        double c =e.getrealpart();
        double d =e.getimagepart();
        double x = c*c+d*d;
        double r =(a*c+b*d)/x;
        double i =(b*c-a*d)/x;
        return new complex_number(r,i);
    }
}