[GiNaC-list] Polynomial Factoring

[Richard B. Kreckel]

Hi!

On 5/5/23 09:32, Vladimir V. Kisil wrote:
>    More automated C++ code to get factors (note the scalar as well) is:
> 
> #include <fstream>
> #include <ginac/ginac.h>
> 
> using namespace GiNaC;
> using namespace std;
> 
> int main () {
> 
> 	symbol x("x");
> 	ex rat = 2*(pow(x,6)+1);
> 	ex fac = factor(rat);
> 	for (int i =0; i < fac.nops(); ++i)
> 		cout << fac.op(i) << endl;
> 
> 	return 0;
> }
> 
>    The output is:
> -1+x^2-x^4
> 1+x^2
> -2

In C++, you could also just leverage the iterators and...
         for (auto f : fac) {
                 cout << f << endl;
         }

Best wishes,
   -richy.
-- 
Richard B. Kreckel
<https://in.terlu.de/~kreckel/>