#include #include "Riostream.h" #include "Quad.h" Quad::Quad(Float_t a,Float_t b,Float_t c) { fA = a; fB = b; fC = c; } Quad::~Quad() { std::cout << "deleting object with coeffts: " << fA << "," << fB << "," << fC << std::endl; } void Quad::Solve() const { Float_t temp = fB*fB -4*fA*fC; if (temp > 0) { temp = sqrt(temp); std::cout << "There are two roots: " << ( -fB - temp ) / (2.*fA) << " and " << ( -fB + temp ) / (2.*fA) << std::endl; } else { if (temp == 0) { std::cout << "There are two equal roots: " << -fB / (2.*fA) << std::endl; } else { std::cout << "There are no roots" << std::endl; } } } Float_t Quad::Evaluate(Float_t x) const { return fA*x*x + fB*x + fC; return 0; }