Expression UExprPoly::max_coef() const
{
Expression curr = get_poly().get_dict().begin()->second;
for (const auto &it : get_poly().get_dict())
if (curr.get_basic()->__cmp__(*it.second.get_basic()))
curr = it.second;
return curr;
}
Expression UExprPoly::eval(const Expression &x) const
{
Expression ans = 0;
for (const auto &p : get_poly().get_dict()) {
Expression temp;
temp = pow_ex(x, Expression(p.first));
ans += p.second * temp;
}
return ans;
}
int main()
{
int degree;
printf("Enter the degree of the polynomial: ");
scanf("%d", °ree);
printf("Enter each coefficient: ");
double coeff[degree];
get_poly(coeff[degree], degree);
double x;
printf("Enter the value for x: ");
scanf("%lf", &x);
eval_poly(coeff[degree], degree, x);
system("pause");
return 0;
}
bool UExprPoly::is_pow() const
{
return get_poly().size() == 1 and get_poly().get_dict().begin()->second == 1
and get_poly().get_dict().begin()->first != 1
and get_poly().get_dict().begin()->first != 0;
}
bool UExprPoly::is_symbol() const
{
return get_poly().size() == 1 and get_poly().get_dict().begin()->first == 1
and get_poly().get_dict().begin()->second == 1;
}
bool UExprPoly::is_integer() const
{
if (get_poly().empty())
return true;
return get_poly().size() == 1 and get_poly().get_dict().begin()->first == 0;
}
bool UExprPoly::is_minus_one() const
{
return get_poly().size() == 1
and get_poly().get_dict().begin()->second == -1
and get_poly().get_dict().begin()->first == 0;
}
bool UExprPoly::is_zero() const
{
return get_poly().empty();
}
