On Tue, May 29, 2012 at 5:03 PM, Dima Pasechnik <dimp...@gmail.com> wrote: > An author to GAP's package "braid" suggests to switch to an officially > GAP-supported package "mapclass", which offers a superset of the > functionality. > Should we do this?
I vote yes. (I assume the license is the same.) > > Dima > > On 2012-05-29, Dima Pasechnik <dimp...@gmail.com> wrote: >> ---------- Forwarded message ---------- >> From: Dmitrii (Dima) Pasechnik <d...@ntu.edu.sg> >> Date: 29 May 2012 12:29 >> Subject: Re: [GAP Forum] problem with AutomorphismGroup >> To: Markus Szymik <markus.szy...@gmail.com> >> Cc: Alexander Konovalov <al...@mcs.st-andrews.ac.uk>, GAP Forum >><fo...@gap-system.org> >> >> >> Dear Markus, >> Thanks. >> I can confirm that this is a bug in in Sage's >> gap_packages-4.4.12.p1. More precisely, >> one of the GAP packages bundled there, namely >> the one called "braid" (listed on >> http://www.gap-system.org/Packages/undep.html), version 1.0, >> overwrites GAP's >> Fingerprint function (hmm, is it a method?) >> with something of its own. >> There is a later version of this package, 1.1. >> However, it still has the same bug. >> >> OK, we'll fix this in Sage in some way, most probably by patching "braid". >> >> Best, >> Dmitrii >> >> PS. here how to reproduce this: >> >> sage: gap_console() >> GAP4, Version: 4.4.12 of 17-Dec-2008, i686-apple-darwin10.8.0-gcc >> gap> AutomorphismGroup(DihedralGroup(8)); >> Function: number of arguments must be 1 (not 2) at >> tup := Fingerprint( G, H ); >> called from >> NormalizingReducedGL( spec, 1, first[2], M ) called from >> AutomorphismGroupSolvableGroup( G ) called from >><function>( <arguments> ) called from read-eval-loop >> Entering break read-eval-print loop ... >> you can 'quit;' to quit to outer loop, or >> you can replace the argument list <args> via 'return <args>;' to continue >> brk> >> gap> >> gap> LOADED_PACKAGES; >> rec( ctbllib := [ >> "/usr/local/src/sage/sage-5.0/local/lib/gap-4.4.12/pkg/ctbllib", >> "1.1.3", "CTblLib" ], >> factint := [ >> "/usr/local/src/sage/sage-5.0/local/lib/gap-4.4.12/pkg/factint", >> "1.5.2", "FactInt" ], >> gapdoc := [ "/usr/local/src/sage/sage-5.0/local/lib/gap-4.4.12/pkg/GAPDoc", >> "1.2", "GAPDoc" ], >> laguna := [ "/usr/local/src/sage/sage-5.0/local/lib/gap-4.4.12/pkg/laguna", >> "3.5.0", "LAGUNA" ], >> sonata := [ "/usr/local/src/sage/sage-5.0/local/lib/gap-4.4.12/pkg/sonata", >> "2.4", "SONATA" ], >> guava := [ "/usr/local/src/sage/sage-5.0/local/lib/gap-4.4.12/pkg/guava", >> "3.9", "GUAVA" ], >> grape := [ "/usr/local/src/sage/sage-5.0/local/lib/gap-4.4.12/pkg/grape", >> "4.3", "GRAPE" ], >> design := [ "/usr/local/src/sage/sage-5.0/local/lib/gap-4.4.12/pkg/design", >> "1.4", "DESIGN" ], >> toric := [ "/usr/local/src/sage/sage-5.0/local/lib/gap-4.4.12/pkg/toric", >> "1.6", "toric" ], >> braid := [ "/usr/local/src/sage/sage-5.0/local/lib/gap-4.4.12/pkg/braid", >> "1.0", "braid" ] ) >> gap> >> >> #Apparently installation of gap_packages forces GAP to load these >> #packages; note that >> gap> gap> AUTOLOAD_PACKAGES; >> [ "ctbllib", "factint", "gapdoc", "laguna" ] >> # does not have "braid" listed. >> >> I am not entirely sure what's going on. >> > > -- > To post to this group, send an email to sage-devel@googlegroups.com > To unsubscribe from this group, send an email to > sage-devel+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/sage-devel > URL: http://www.sagemath.org -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
