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polynomial.h
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polynomial.h
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#ifndef POLYNOMIAL_H
#define POLYNOMIAL_H
#include <QString>
#include <QVector>
class Polynomial
{
public:
Polynomial();
Polynomial(int _n);
Polynomial(QString str);
int getDeg();
QString toString();
QString toStringWithoutSups();
Polynomial add(Polynomial p);
Polynomial sub(Polynomial p);
Polynomial derivative();
bool isEqual(Polynomial b);
Polynomial operator=(Polynomial arg);
Polynomial operator*=(Polynomial arg);
Polynomial multiply(Polynomial p);
static Polynomial toPolynomial(int arg);
static Polynomial toPolynomial(QString arg);
long long valueInPoint(long long x);
bool isNullInPoint(double x);
//QVector<double> findRoots();
QVector<Polynomial> findQuads();
void preFindQuads(double *a, double *b, double *c, int n);
bool isNull();
Polynomial divide(Polynomial p);
Polynomial mod(Polynomial p);
double getCoef(int n);
void setCoef(int n, double val);
bool getError();
void changeMyself(Polynomial p);
private:
double degrees[1001];
int n;
QVector<Polynomial> quads;
bool error;
};
#endif // POLYNOMIAL_H