52 lines
963 B
C++
52 lines
963 B
C++
// Grad auswerten
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int Polynomial::degree ()
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{
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return maxIndex();
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}
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// Addition von Polynomen
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Polynomial Polynomial::operator+ (Polynomial q)
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{
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int nr=degree(); // mein grad
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if (q.degree()>nr) nr=q.degree();
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Polynomial r(nr); // Ergebnispolynom
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for (int i=0; i<=nr; i=i+1)
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{
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if (i<=degree())
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r[i] = r[i]+(*this)[i]; // add me to r
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if (i<=q.degree())
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r[i] = r[i]+q[i]; // add q to r
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}
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return r;
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}
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// Multiplikation von Polynomen
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Polynomial Polynomial::operator* (Polynomial q)
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{
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Polynomial r(degree()+q.degree()); // Ergebnispolynom
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for (int i=0; i<=degree(); i=i+1)
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for (int j=0; j<=q.degree(); j=j+1)
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r[i+j] = r[i+j] + (*this)[i]*q[j];
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return r;
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}
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// Drucken
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void Polynomial::print ()
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{
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if (degree()<0)
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std::cout << 0;
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else
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std::cout << (*this)[0];
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for (int i=1; i<=maxIndex(); i=i+1)
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std::cout << "+" << (*this)[i] << "*x^" << i;
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std::cout << std::endl;
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}
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