Re: [sage-devel] 0 < sqrt3 is False in QuadraticField

2010-03-01 Thread Robert Bradshaw
On Feb 28, 2010, at 4:20 PM, slabbe wrote: Hi Sage-devel, I am currently experiencing some problems when comparing elements of a QuadraticField. See below. sage: Q. = QuadraticField(3) sage: 0 < sqrt3 False sage: RR(sqrt3) 1.73205080756888 [...] Is this known? Yes, cmp() for number field

Re: [sage-devel] 0 < sqrt3 is False in QuadraticField

2010-03-01 Thread Florent Hivert
Hi Sebastien, > I am currently experiencing some problems when comparing elements of a > QuadraticField. See below. I'm not sure this is exactly the same but I think Nicolas (the little) is working on this: Ticket #8347 Test the positivity of a number field element Florent -- To post to

[sage-devel] 0 < sqrt3 is False in QuadraticField

2010-02-28 Thread slabbe
Hi Sage-devel, I am currently experiencing some problems when comparing elements of a QuadraticField. See below. sage: Q. = QuadraticField(3) sage: 0 < sqrt3 False sage: RR(sqrt3) 1.73205080756888 The operator < and > do not correspond : sage: sqrt3 > Q.zero() True sage: Q.zero() < sqrt3 #not