PolynomialSum.h

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

#include <vector>
#include "TwoPolynomial.h"

namespace polynomial {

class PolynomialSum {
public:
    PolynomialSum();
    explicit PolynomialSum(const TwoPolynomial &polynomial);
    PolynomialSum(const PolynomialSum &polynomialSum);
    ~PolynomialSum();
    PolynomialSum& operator= (const PolynomialSum &sum);
    void differentiateX();
    void differentiateS();
    void multiplyPolynomial(const TwoPolynomial &poly);
    void printPolynomial() const;
    std::size_t numberOfTerms() const;
    bool isPolynomialZero(const std::size_t &p) const;
    void truncate(const std::size_t &truncateOrder);
    double evaluatePolynomial(const std::size_t &p,
                              const double &x,
                              const double &s) const;
    void putSumTogether(const std::vector<double> &dSvalues,
                        std::vector<std::vector<double>> &finalPolynomial) const;
    double evaluatePolynomial2(const double &x,
                               const double &s,
                               const std::vector<double> &dSvalues) const;
    void addPolynomial(const PolynomialSum &poly);
    std::vector<std::size_t> getdSfactors(const std::size_t &p) const;
    void sortTerms();
private:
    std::vector<TwoPolynomial> polynomialSum_m;
};

inline
    std::size_t PolynomialSum::numberOfTerms() const {
        return polynomialSum_m.size();
}
inline
    double PolynomialSum::evaluatePolynomial(const std::size_t &p,
                                             const double &x,
                                             const double &s) const {
        if (p >= polynomialSum_m.size()) {
            return 0.0;
        }
        return polynomialSum_m[p].evaluatePolynomial(x, s);
}

}

#endif