[GiNaC-list] symmetrize function

Richard B. Kreckel kreckel at ginac.de
Tue Jul 22 09:46:24 CEST 2014


On 07/20/2014 08:01 AM, Ruben Zilibowitz wrote:
> The C++ sample code
> here http://www.ginac.de/tutorial/Symmetrization.html#Symmetrization
> is not working for me with the latest GiNaC (version 1.6.2). I get the
> following error
> *main.cpp:58:27: **error: **no member named 'symmetrize' in
> 'GiNaC::indexed'*
>         cout << indexed(A, i, j).symmetrize(i,j) << endl;

Class indexed never had a symmetrize member function. You must wrap the
indexed object into an ex() to make this code work.

> Is the tutorial outdated?

So to say. The compiler has become more strict.

Richard B. Kreckel

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