I got this from the "report a problem" link. I don't know if it is
really a problem or what the cause is.
I'm building sage 4.2 on an amd64 machine running gentoo using a
provided ebuild. There are no obvious errors in install.log. However,
sage does not startup cleanly. When 'sage -c quit' is issued the
following results:
Traceback (most recent call last):
File "/opt/sage/local/bin/sage-eval", line 4, in <module>
from sage.all import *
File "/opt/sage/local/lib/python2.6/site-packages/sage/all.py", line
64, in <module>
from sage.misc.all import * # takes a while
File "/opt/sage/local/lib/python2.6/site-packages/sage/misc/all.py",
line 70, in <module>
from sage_input import sage_input
File "/opt/sage/local/lib/python2.6/site-packages/sage/misc/
sage_input.py", line 163, in <module>
from sage.misc.functional import parent
File "/opt/sage/local/lib/python2.6/site-packages/sage/misc/
functional.py", line 37, in <module>
from sage.rings.complex_double import CDF
File "complex_double.pyx", line 88, in sage.rings.complex_double
(sage/rings/complex_double.c:13818)
File "/opt/sage/local/lib/python2.6/site-packages/sage/rings/
complex_field.py", line 86, in ComplexField
C = ComplexField_class(prec)
File "/opt/sage/local/lib/python2.6/site-packages/sage/rings/
complex_field.py", line 177, in __init__
self._populate_coercion_lists_(coerce_list=[complex_number.RRtoCC
(self._real_field(), self)])
File "complex_number.pyx", line 2004, in
sage.rings.complex_number.RRtoCC.__init__ (sage/rings/complex_number.c:
13046)
File "complex_number.pyx", line 153, in
sage.rings.complex_number.ComplexNumber.__init__ (sage/rings/
complex_number.c:3183)
File "parent.pyx", line 380, in
sage.structure.parent.Parent.__call__ (sage/structure/parent.c:4241)
File "map.pyx", line 173, in sage.categories.map.Map._call_ (sage/
categories/map.c:3481)
NotImplementedError: <type 'sage.rings.real_mpfr.int_toRR'>
Others have reported this same type of error on amd64 machines but
relative to building sage in the "usual" way with the sage-provided
makefile. When I do this sage builds, all tests pass and the above
errors are not present. Is it possible that this is an amd64-related
bug that the gentoo package managing system is discovering?
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