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#include "polynomial.h"
polynomial::polynomial()
:fx(NULL), polyDegree(0),critPnts(NULL), numCritPnts(0), realRoots(NULL), numRealRoots(0), endRight(false), endLeft(false), deriv(NULL){}
polynomial::polynomial(const double* func, unsigned l)
:polyDegree(l),critPnts(NULL), numCritPnts(0), realRoots(NULL), numRealRoots(0), deriv(NULL)
{
fx = new double[l];
for(int i = 0; i <= l; i++)
{
fx[i] = func[i];
}
}
polynomial::polynomial(const polynomial& f)
:critPnts(NULL), polyDegree(f.polyDegree), realRoots(NULL), numCritPnts(0), numRealRoots(0), endRight(false), endLeft(false), deriv(NULL)
{
fx = new double(f.polyDegree + 1);
for(int i = 0; i <= polyDegree; i++)
{
fx[i] = f.fx[i];
}
}
polynomial::~polynomial()
{
polynomial* temp = this;
do
{
delete[] temp>fx;
delete[] temp>critPnts;
delete[] temp>realRoots;
temp = temp>deriv;
} while (temp != NULL);
}
void polynomial::derivative()
{
if (polyDegree == 1)
{
return;
}
deriv = new polynomial;
deriv>fx = new double[polyDegree];
deriv>polyDegree = polyDegree1;
for(int i = 1; i <= polyDegree; i++)
{
deriv>fx[i1] = fx[i] * i;
}
cout << *deriv << endl;
deriv>derivative();
}
polynomial polynomial::fPrime(unsigned prime)
{
polynomial* temp;
polynomial* temp2;
if (deriv == NULL)
{
this>derivative();
}
temp = this;
for (int i = 0; i < prime; i++)
{
temp = temp>deriv;
if (temp == NULL)
{
return *temp;
}
}
temp2 = new polynomial;
temp2>fx = new double[temp>polyDegree + 1];
temp2>polyDegree = temp>polyDegree;
for(int i = 0; i <= temp>polyDegree; i++)
{
temp2>fx[i] = temp>fx[i];
}
return *temp2;
}
double polynomial::f()
{
}
void polynomial::write()
{
}
ostream& operator<< (ostream& os, const polynomial& p)
{
if (p.polyDegree == 1)
{
os << p.fx[1] << "x ";
if (p.fx[0] > 0)
{
os << "+ " << p.fx[0];
}
else
{
os << " " << (p.fx[0]) *1;
}
return os;
}
if (p.polyDegree == 0)
{
if (p.fx != NULL)
{
os << p.fx[0];
}
return os;
}
os << p.fx[p.polyDegree] << "x" << p.polyDegree << " ";
for (int i = p.polyDegree 1; i >= 2; i)
{
if (p.fx[i] > 0)
{
os << "+ " << p.fx[i] << "x" << i << " ";
}
else
{
os << " " << (p.fx[i])* 1 << "x" << i << " ";
}
}
if (p.fx[1] > 0)
{
os << "+ " << p.fx[1] << "x ";
}
else
{
os << " " << (p.fx[1]) *1 << "x ";
}
if (p.fx[0] > 0)
{
os << "+ " << p.fx[0];
}
else
{
os << " " << (p.fx[0]) * 1;
}
return os;
}
