hello,
this must be the slowest reply in the history of sage. More than a
month later, i have upgraded and am now running sage 4.3. When i enter
your lines :
> sage: k.<i> = CyclotomicField(4)
> sage: R.<x> = k[]
> sage: p=3; K.<r> = NumberField(x^2-p)
> sage: i = K(k.gen())
> sage: CDF(i)
... i get a very long error message, starting with
RuntimeError Traceback (most recent call
last)
/Users/pedro/.sage/temp/m_guillot.u_strasbg.fr/86998/
_Users_pedro_toto_sage_0.py in <module>()
/Applications/sage/local/lib/python2.6/site-packages/sage/rings/
complex_double.so in
sage.rings.complex_double.ComplexDoubleField_class.__call__ (sage/
rings/complex_double.c:3532)()
/Applications/sage/local/lib/python2.6/site-packages/sage/structure/
parent.so in sage.structure.parent.Parent.__call__ (sage/structure/
parent.c:4956)()
/Applications/sage/local/lib/python2.6/site-packages/sage/structure/
coerce_maps.so in
sage.structure.coerce_maps.DefaultConvertMap_unique._call_ (sage/
structure/coerce_maps.c:3142)()
/Applications/sage/local/lib/python2.6/site-packages/sage/structure/
coerce_maps.so in
sage.structure.coerce_maps.DefaultConvertMap_unique._call_ (sage/
structure/coerce_maps.c:3040)()
/Applications/sage/local/lib/python2.6/site-packages/sage/rings/
complex_double.so in
sage.rings.complex_double.ComplexDoubleField_class._element_constructor_
(sage/rings/complex_double.c:3933)()
/Applications/sage/local/lib/python2.6/site-packages/sage/rings/
number_field/number_field_element.so in
sage.rings.number_field.number_field_element.NumberFieldElement._complex_double_
(sage/rings/number_field/number_field_element.cpp:8220)()
/Applications/sage/local/lib/python2.6/site-packages/sage/rings/
complex_field.pyc in __call__(self, x, im)
265 if im is not None:
266 x = x, im
--> 267 return Parent.__call__(self, x)
268
269 def _element_constructor_(self, x):
it goes on forever and ends with :
/Applications/sage/local/lib/python2.6/site-packages/sage/rings/
polynomial/polynomial_ring.pyc in _element_constructor_(self, x,
check, is_gen, construct, **kwds)
310 x = x.Polrev()
311
--> 312 return C(self, x, check, is_gen, construct=construct,
**kwds)
313
314 def is_integral_domain(self, proof = True):
/Applications/sage/local/lib/python2.6/site-packages/sage/rings/
polynomial/polynomial_element_generic.pyc in __init__(self, parent, x,
check, is_gen, construct)
610 """
611 def __init__(self, parent, x=None, check=True,
is_gen=False, construct=False):
--> 612 Polynomial.__init__(self, parent, is_gen=is_gen)
613
614 if construct:
/Applications/sage/local/lib/python2.6/site-packages/sage/rings/
polynomial/polynomial_element.so in
sage.rings.polynomial.polynomial_element.Polynomial.__init__ (sage/
rings/polynomial/polynomial_element.c:3580)()
RuntimeError: maximum recursion depth exceeded while calling a Python
object
Does this happen to everyone on sage 4.3 ? the upgrade seems to have
worked fine, but for a couple of warnings, like
/Applications/sage/devel/sage/doc/en/reference/sage/rings/polynomial/
pbori.rst:6: (WARNING/2) error while formatting signature for
sage.rings.polynomial.pbori.BooleSetIterator.next: arg is not a
module, class, method, function, traceback, frame, or code object
/Applications/sage/devel/sage/doc/en/reference/sage/rings/polynomial/
pbori.rst:6: (WARNING/2) error while formatting signature for
sage.rings.polynomial.pbori.BooleanMonomialIterator.next: arg is not a
module, class, method, function, traceback, frame, or code object
/Applications/sage/devel/sage/doc/en/reference/sage/rings/polynomial/
pbori.rst:6: (WARNING/2) error while formatting signature for
sage.rings.polynomial.pbori.BooleanMonomialMonoid.gen: arg is not a
Python function
(21 warnings in total)
thanks for your help
pierre
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