Hi Chris, Chris Dams wrote:
Actually, I am not really entirely certain if this subs_option is the right way to go. On the one hand, the fact that constructing powers of
I would appreciate some input on this issue.
is the new subs_option only to conserve compability with unknown user programs (sorry, I didn't dig into the patch code yet) ?
expressions with summed indices automatically yields renamed results, suggest that we really want to consider index renaming as something that happens automatically without the user having to know anything about it.
Yes.
On the other hand, this may break existing code that wants to rename dummy indices. The problem is probably quite rare, though. One needs something
I don't know of any existing code that would break. Anyhow, I would vote for breaking compatability in this case. Regards, Jens