Yes, it is a bug and the fix is at http://trac.sagemath.org/sage_trac/ticket/1122
Martin On Wednesday 07 November 2007, William Stein wrote: > Here's a support request from Jim Carlson: > > > ---------- Forwarded message ---------- > From: James Carlson <[EMAIL PROTECTED]> > Date: Nov 7, 2007 7:03 AM > Subject: Bug? > To: William Stein <[EMAIL PROTECTED]> > > > Hi William, > > Attached is a file with odd behavior. > > p = a prime > n = a postive integer > q = p^n > K = GF(q) > > f = x^3 + y^3 + z^3 > > points(f) -- returns list of poitns of f(x,y,z) == 0 > > The above works with p = 5, n = 2. But points > crashes with p = 5, n = 3. The error message is attached. > I also did this: > > for i in range(0,1953125): > ....: bar.append(K.random_element) > ....: > sage: len(bar) > 1953125 > > Thus I don't think SAGE ran out of memory. > > I am using SAGE 2.8.7 on a macbook pro, OS 10.5 > > Best regards, > > Jim > > > > > > <type 'exceptions.IndexError'> Traceback (most recent call > last) > > /Volumes/jxxcarlson/_jc/_current/sage/<ipython console> in <module>() > > /Volumes/jxxcarlson/_jc/_current/sage/xgalois.py in points(f) > 17 for yy in K: > 18 for zz in K: > ---> 19 if f(xx,yy,zz) == Integer(0): > 20 pts.append([xx,yy,zz]) > 21 return pts > > /Volumes/jxxcarlson/_jc/_current/sage/finite_field_givaro.pyx in > finite_field_givaro.FiniteField_givaroElement.__richcmp__() > > /Volumes/jxxcarlson/_jc/_current/sage/element.pyx in > element.Element._richcmp() > > /Volumes/jxxcarlson/_jc/_current/sage/element.pyx in > element.Element._richcmp_() > > /Volumes/jxxcarlson/_jc/_current/sage/element.pyx in > element.Element._richcmp() > > /Volumes/jxxcarlson/_jc/_current/sage/element.pyx in > element.Element._richcmp_c_impl() > > /Volumes/jxxcarlson/_jc/_current/sage/finite_field_givaro.pyx in > finite_field_givaro.FiniteField_givaroElement._cmp_c_impl() > > /Volumes/jxxcarlson/_jc/_current/sage/finite_field_givaro.pyx in > finite_field_givaro.FiniteField_givaro.log_to_int() > > <type 'exceptions.IndexError'>: n=126 must be < self.order() -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _www: http://www.informatik.uni-bremen.de/~malb _jab: [EMAIL PROTECTED] --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://sage.math.washington.edu/sage/ and http://sage.scipy.org/sage/ -~----------~----~----~----~------~----~------~--~---
