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- #ifndef POLY3_HPP
- #define POLY3_HPP
- #include <iostream>
- using namespace std;
- class Poly3{
- public:
- double a,b,c,d;
- Poly3();
- Poly3(double a,double b,double c,double d);
- double operator()(double x) const;
- double derivate(double x) const;
- };
- ostream& operator<<(ostream& os,const Poly3& P);
- inline
- Poly3::Poly3(){
- }
- inline
- Poly3::Poly3(double _a,double _b,double _c,double _d):a(_a),b(_b),c(_c),d(_d){
- }
- inline
- ostream& operator<<(ostream& os,const Poly3& P){
- return os<<'['<<P.a<<','<<P.b<<','<<P.c<<','<<P.d<<']';
- }
- #endif
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