Re: [sage-devel] BUG: segfault in 6.10.beta7

2015-12-09 Thread John Cremona
On 9 December 2015 at 19:47, Jeroen Demeyer wrote: > I added this to > http://trac.sagemath.org/ticket/18639 Thanks. I had forgotten all about that one. > > > -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group an

Re: [sage-devel] BUG: segfault in 6.10.beta7

2015-12-09 Thread Jeroen Demeyer
I added this to http://trac.sagemath.org/ticket/18639 -- 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 sage-devel+unsubscr...@googlegroups.com. To post to this grou

Re: [sage-devel] BUG: segfault in 6.10.beta7

2015-12-09 Thread John Cremona
Can we bring this thread back to topic? An innocent sage statement causes as segfault, and that is a Bad Thing. John On 9 December 2015 at 19:41, Dima Pasechnik wrote: > > > On Wednesday, 9 December 2015 16:36:05 UTC, John Cremona wrote: >> >> On 9 December 2015 at 16:28, Nathann Cohen wrote:

Re: [sage-devel] BUG: segfault in 6.10.beta7

2015-12-09 Thread Dima Pasechnik
On Wednesday, 9 December 2015 16:36:05 UTC, John Cremona wrote: > > On 9 December 2015 at 16:28, Nathann Cohen > wrote: > >> Try this (6.10.beta7): > > > > This concept of a zero in mathematics is fishy. There is not any of > > our troubles that cannot be traced back to it. > > > > +1 for

Re: [sage-devel] BUG: segfault in 6.10.beta7

2015-12-09 Thread John Cremona
On 9 December 2015 at 16:28, Nathann Cohen wrote: >> Try this (6.10.beta7): > > This concept of a zero in mathematics is fishy. There is not any of > our troubles that cannot be traced back to it. > > +1 for the removal of 0 in Sage. Nice try, Nathann! I will obey, and indeed will remove nothing

Re: [sage-devel] BUG: segfault in 6.10.beta7

2015-12-09 Thread Nathann Cohen
> Try this (6.10.beta7): This concept of a zero in mathematics is fishy. There is not any of our troubles that cannot be traced back to it. +1 for the removal of 0 in Sage. Nathann -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe

[sage-devel] BUG: segfault in 6.10.beta7

2015-12-09 Thread John Cremona
Try this (6.10.beta7): sage: K. = NumberField(x^2-15) sage: three = K.ideal(3) sage: zero = K(0) sage: three.divides(zero) ... Saved trace to /home/jec/.sage/crash_logs/sage_crash_hnuaJL.log Unhandled SIGSEGV: A segmentatio