CPolynom.cpp

#include "CPolynom.h"

CPolynom::CPolynom() {
    this->order = 0;
    this->exp = 0;
    this->coef = 0;
    this->polyCoef = nullptr;
}

CPolynom::CPolynom(int order) {

    this->order = order;
    polyCoef = new double[order + 1];

    for (int i = 0; i < order; i++) {
        this->polyCoef[i] = 0;
    }

}

void CPolynom::Coef(int exp, double coef) {
    if (exp >= order || exp < 0)
        std::cout << "Eksponent nije validan " << std::endl;
    this->polyCoef[exp] = coef;

}

CPolynom* CPolynom::Add(CPolynom poly1, CPolynom poly2) {
    double* temp;
    int i;

    if (poly1.order > poly2.order) {
        temp = new double[poly1.order];

        for (i = 0; i < poly2.order; i++)
            temp[i] = poly1.polyCoef[i] + poly2.polyCoef[i];
        for (; i < poly1.order; i++)
            temp[i] = poly1.polyCoef[i];
    }
    else {
        temp = new double[poly2.order];

        for (i = 0; i < poly1.order; i++)
            temp[i] = poly2.polyCoef[i] + poly1.polyCoef[i];
        for (; i < poly2.order; i++)
            temp[i] = poly2.polyCoef[i];
    }

    CPolynom* result = new CPolynom(i);
    result->polyCoef = new double[i];
    memcpy(result->polyCoef, temp, sizeof(double)*i);
    delete[] temp;

    return result;
}

CPolynom* CPolynom::Mul(CPolynom poly1, CPolynom poly2) {
    CPolynom* result = new CPolynom(poly1.order + poly2.order);

    for (int i = 0; i < poly1.order; i++)
        for (int j = 0; j < poly2.order; j++)
            result->polyCoef[i + j] += poly1.polyCoef[i] * poly2.polyCoef[j];

    return result;
}

void CPolynom::Print() {
    for (int i = 0; i < order; i++) {
        std::cout << polyCoef[i] << " " << std::endl;
    }
}