[sage-devel] Re: Nauty as a default generator for graphs

2018-03-09 Thread 'Martin R' via sage-devel
Besides, it would also be supercool to have a class Graphs analogous to the class Posets, and have the cardinality of the first few layers built in (analogous to Posets(16).cardinality()). Martin Am Freitag, 9. März 2018 07:19:24 UTC+1 schrieb Jori Mäntysalo: > > It is much faster to say sum(1

Re: [sage-devel] Proposal : Add pplpy and gmpy2 as standard packages.

2018-03-09 Thread jplab
Hi all, Allow me to jump in the discussion as a daily "Sage user" of code using the ppl backend in the Polyhedron class. I put the "Sage user" in quotes, because it seems that it was used for different types of users. What's in for the normal strictly routine not-developing user? Well, IMHO m

Re: [sage-devel] Nauty as a default generator for graphs

2018-03-09 Thread David Roe
On Fri, Mar 9, 2018 at 1:19 AM, Jori Mäntysalo wrote: > It is much faster to say sum(1 for _ in graphs.nauty_geng(7)) than sum(1 > for _ in graphs(7)), and after #19919 we have nauty as a standard package. > > Will I break something if I change graphs(n) without any additional > parameter to use