rjf, what I'm doing is speeding up a subset of series expansions, those that result in rational coefficients. I'm using Flint for poly/series manipulation, so the hard work of reading Brent/Kung was already done by them.
My problem was to effectively convert from the expression *tree to the ring/field universe. This is done by walking depth-first and applying operations. Therefore you only know at the end which low degree comes out. However I know now how to get the low degree without losing too much efficiency so I'll try to support both prec and order in the interface. Regards, -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
