Re: [sage-devel] Subfield generated by 0: segmentation fault

2016-07-11 Thread Vincent Delecroix
This is a bug in the pari version we use. See http://pari.math.u-bordeaux.fr/cgi-bin/bugreport.cgi?bug=1832 Vincent -- 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

Re: [sage-devel] Subfield generated by 0: segmentation fault

2016-07-11 Thread Vincent Delecroix
I opened the trac ticket #21000 -- 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 group, send email to

Re: [sage-devel] Subfield generated by 0: segmentation fault

2016-07-11 Thread Vincent Delecroix
On 10/07/16 12:54, John Cremona wrote: On 2 July 2016 at 11:11, Jeroen Sijsling wrote: Hello, In Sage 7.2 I get the following error: R. = PolynomialRing(QQ) pol_rep = [1, -12, 70, -264, 757, -1872, 4258, -8796, 15922, -24900, 33886, -40608, 43117, -40608, 33886, -24900,

Re: [sage-devel] Subfield generated by 0: segmentation fault

2016-07-10 Thread John Cremona
On 2 July 2016 at 11:11, Jeroen Sijsling wrote: > Hello, > > In Sage 7.2 I get the following error: > > R. = PolynomialRing(QQ) > pol_rep = [1, -12, 70, -264, 757, -1872, 4258, -8796, 15922, -24900, 33886, > -40608, 43117, -40608, 33886, -24900, 15922, -8796, 4258, -1872,

[sage-devel] Subfield generated by 0: segmentation fault

2016-07-02 Thread Jeroen Sijsling
Hello, In Sage 7.2 I get the following error: R. = PolynomialRing(QQ) pol_rep = [1, -12, 70, -264, 757, -1872, 4258, -8796, 15922, -24900, 33886, -40608, 43117, -40608, 33886, -24900, 15922, -8796, 4258, -1872, 757, -264, 70, -12, 1] K. = NumberField(R(pol_rep)) print K.subfield(K(1)) [...]