/*
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 * and open the template in the editor.
 */

package adt_pair;

/**
 *
 * @author suchenek
 */
public class Pair {
    
    public Pair()
    {        
        first = 0;
        second = 0;
    }

    public Pair(double x, double y)
    {
        first = x;
        second = y;
    }

    public Pair Add(Pair x)
    {
        Pair t = new Pair();
        t.first = x.first + this.first;
        t.second = x.second + this.second;
        return t;
    }

    public double ScalarProd(Pair x)
    {
        return this.first*x.first + this.second*x.second;
    }

    public double Distance(Pair x)
    {
        return Math.sqrt((this.first)*(this.first) + (this.second)*(this.second));
    }

    public String Out()
    {
        return ("First = " + this.first + "; Second = " + this.second + ";");
    }
double first;
double second;
}