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- #include "poly3.hpp"
- double
- Poly3::operator()(double x) const{
- double res=a;
- res=res*x+b;
- res=res*x+c;
- res=res*x+d;
- return res;
- }
- double
- Poly3::derivate(double x) const{
- double res=a;
- res=res*x+b;
- res=res*x+c;
- return res;
- }
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