НП ЛБ1

package com.gorjan.lab1;

public class PolynomTest {

    /**
     * @param args
     */
    public static void main(String[] args) {


        Polynomal pol1 = new Polynomal(new Term [] {new Term(3,4), new Term(2,2), new Term(4,1), new Term(8,0)});
        Polynomal pol2 = new Polynomal(new Term [] {new Term(3,2), new Term(8,0)});

        Polynomal rez = pol1.add(pol2);


        System.out.println(rez);
    }


}

final class Term {
    final double c;
    final int e;

    public Term(double c, int e) {
        this.c = c;
        this.e = e;
    }

    public double getCoeficient() {
        return c;
    }

    public int getExponent() {
        return e;
    }

    public Term negate(){
        Term tmp = new Term(this.c*(-1), this.e);
        return tmp;
    }

    public Term add(Term t){
        Term tmp;
        double c_t;

        if(this.e == t.e){
            c_t = this.c + t.c;
            tmp = new Term(c_t, this.e);
            return tmp;
        }
        else return null;

    }

    @Override
    public String toString() {
        return c+"x^"+e;
    }

    public Term multiply(Term t){
        Term tmp;
        double c_t;
        int e_t;

        c_t = this.c * t.c;
        e_t = this.e + t.e;
        tmp = new Term(c_t, e_t);
        return tmp;

    }

    public double evaluate(double x){
        return this.c * Math.pow(x, this.e);
    }

    public boolean equals(Object obj){
        Term tmp = (Term) obj;
        return((this.e == tmp.e)&&(this.c == tmp.c));
    }

    public int compareTo(Term t){
        if(this.e<t.e) return -1;
        else if(this.e==t.e) return 0;
        else return 1;
    }

}

final class Polynomal {
    Term [] terms;

    public Polynomal(Term []terms){
        this.terms = new Term[terms.length];
        for(int i = 0; i < terms.length ; i++){
            this.terms[i] = terms[i];
        }
    }

    public Term getTerm(int exp){

        for(int i = 0; i < this.terms.length ; i++){
            if(terms[i].e == exp) return terms[i];

        }

        return null;
    }

    public Polynomal negate(){
        Polynomal tmp = new Polynomal(this.terms);
        for(int i = 0; i < this.terms.length ; i++){
            tmp.terms[i] = tmp.terms[i].negate();
        }
        return tmp;
    }

    public Polynomal add(Polynomal t){;

        int cur1=0, cur2=0, i=0;
        Polynomal tmp = new Polynomal(new Term[100]);

        while((cur1<=this.terms.length- 1)||(cur2<=t.terms.length-1)){
            if(this.terms[cur1].e == t.terms[cur2].e){
                tmp.terms[i] = new Term(this.terms[cur1].c + t.terms[cur2].c,this.terms[cur1].e);
                cur1++;
                cur2++;
                System.out.println("Prv");
            }
            else if(this.terms[cur1].e > t.terms[cur2].e){
                tmp.terms[i] = new Term(this.terms[cur1].c,this.terms[cur1].e);
                cur1++;
                System.out.println("Vtor");
            }
            else if(this.terms[cur1].e < t.terms[cur2].e){
                tmp.terms[i] = new Term(t.terms[cur2].c,t.terms[cur2].e);
                cur2++;
                System.out.println("Tret");
            }

            i++;

            if((cur1 == this.terms.length)||(cur2 == t.terms.length)) break;


        }
            System.out.println("Krajno Cur1: "+cur1+" Cur2: "+cur2);

            while(cur1 < this.terms.length){
                tmp.terms[i] = new Term(this.terms[cur1].c, this.terms[cur1].e);
                cur1++;
                i++;
                System.out.println("Cur1: "+cur1+" Cur2: "+cur2);
            }

            while(cur2 < t.terms.length){
                tmp.terms[i] = new Term(t.terms[cur2].c, t.terms[cur2].e);
                cur2++;
                i++;

            }

        Polynomal nova = new Polynomal(new Term[i]);

        for(int n = 0; n < i ; n++){
                nova.terms[n] = tmp.terms[n];
            }


        return nova;

    }

    @Override
    public String toString(){
        String a = "";
        System.out.println("A: "+ this.terms.length);
        for(int i = 0; i < this.terms.length;i++){
            a += this.terms[i].toString() + " + ";
        }
        return a;
    }
}