Polynomial.h

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/*
 *  Copyright (c) 2018, Martin Duy Tat
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#ifndef POLYNOMIAL_H
#define POLYNOMIAL_H

#include <vector>

namespace polynomial {

class Polynomial {
public:
    Polynomial();
    explicit Polynomial(const std::vector<int> &coefficients);
    Polynomial(const Polynomial &poly);
    ~Polynomial();
    Polynomial& operator= (const Polynomial &poly);
    void differentiatePolynomial();
    void multiplyPolynomial(const Polynomial &poly);
    void addPolynomial(const Polynomial &poly);
    void printPolynomial() const;
    int getCoefficient(const std::size_t &order) const;
    void setCoefficient(const int &coefficient, const std::size_t &order);
    int getMaxXorder() const;
    void setMaxXorder(const std::size_t &maxXorder);
    void setZero();
    double evaluatePolynomial(const double &x) const;
    void truncate(const std::size_t &truncateOrder);
private:
    std::size_t maxXorder_m;
    std::vector<int> coefficients_m;
};

inline
    int Polynomial::getCoefficient(const std::size_t &order) const {
        if (order > maxXorder_m) {
            return 0;
    }
        return coefficients_m[order];
}
inline
    int Polynomial::getMaxXorder() const{
        return maxXorder_m;
}
inline
    void Polynomial::setMaxXorder(const std::size_t &maxXorder) {
        coefficients_m.resize(maxXorder + 1, 0);
        maxXorder_m = maxXorder;
}
inline
    void Polynomial::setZero() {
        maxXorder_m = 0;
        coefficients_m.resize(1);
        coefficients_m[0] = 0;
}
inline
    void Polynomial::truncate(const std::size_t &truncateOrder) {
        if (truncateOrder < maxXorder_m) {
            coefficients_m.resize(truncateOrder + 1);
            maxXorder_m = truncateOrder;
        }
}

}

#endif