Hi,
I can not reproduce (I am using Linux). Let me copy your traceback
that was a mess because of linebreaks
---------------------------------------------------------------------------
SignalError Traceback (most recent call last)
<ipython-input-35-801031bbe3a3> in <module>()
1 aa=Integer(109604757131194562205071319966444535807)---->
2 print is_squarefree(aa)
/opt/sagemath-8.6/local/lib/python2.7/site-packages/sage/arith/misc.pyc
in is_squarefree(n)
2850
2851 try:->
2852 return e.is_squarefree()
2853 except AttributeError:
2854 pass
/opt/sagemath-8.6/local/lib/python2.7/site-packages/sage/rings/integer.pyx
in sage.rings.integer.Integer.is_squarefree
(build/cythonized/sage/rings/integer.c:35954)()
5857 False
5858 """->
5859 return self.__pari__().issquarefree()
5860
5861 cpdef __pari__(self):
cypari2/gen.pyx in cypari2.gen.Gen.issquarefree()
SignalError: Segmentation fault
This seems to be a problem with cypari2 in cygwin (could you confirm
that you are using cygwin?). If so, you should try to reproduce the
problem without Sage by launching Python inside cygwin and then
>>> import cypari2
>>> pari = cypari2.Pari()
>>> pari(109604757131194562205071319966444535807).issquarefree()
Vincent
Le 03/03/2019 à 11:44, Rolandb a écrit :
Hi, the following result is probably not intended:
Sage 8.6 Windows
aa=109604757131194562205071319966444535807
print is_squarefree(aa)
---------------------------------------------------------------------------SignalError
Traceback (most recent call last)<ipython-input-35-801031bbe3a3>
in <module>() 1 aa=Integer(109604757131194562205071319966444535807)----> 2 print
is_squarefree(aa)
/opt/sagemath-8.6/local/lib/python2.7/site-packages/sage/arith/misc.pyc in
is_squarefree(n) 2850 2851 try:-> 2852 return
e.is_squarefree() 2853 except AttributeError: 2854 pass
/opt/sagemath-8.6/local/lib/python2.7/site-packages/sage/rings/integer.pyx in
sage.rings.integer.Integer.is_squarefree (build/cythonized/sage/rings/integer.c:35954)() 5857
False 5858 """-> 5859 return
self.__pari__().issquarefree() 5860 5861 cpdef __pari__(self):
cypari2/gen.pyx in cypari2.gen.Gen.issquarefree()
SignalError: Segmentation fault
Roland
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