#8720: CC and CDF do not display numeric 0
----------------------------------------------------+-----------------------
Reporter: jason | Owner:
AlexGhitza
Type: defect | Status:
needs_work
Priority: major | Milestone: sage-5.0
Component: basic arithmetic | Keywords:
Work_issues: | Upstream: N/A
Reviewer: Paul Zimmermann, Karl-Dieter Crisman | Author: Jason
Grout, Mike Hansen
Merged: | Dependencies:
----------------------------------------------------+-----------------------
Comment(by kcrisman):
> Can you double-check to make sure that test was passing before the
patches? It seems odd to me that error would have been triggered by this
patch.
Notice that the test now fails because we used to ignore all digits before
the exponent, not because of the stack thing - the doc even points out
that warnings might happen, it's no big deal for now.
{{{
Sometimes warnings are printed (by lcalc) when this command is
run::
sage: E = EllipticCurve('389a')
sage: E.lseries().values_along_line(0.5, 3, 5)
[(0, 0.209951303),
(0.500000000, -...e-16),
(1.00000000, 0.133768433),
(1.50000000, 0.360092864),
(2.00000000, 0.552975867)]
}}}
Here is 5.0.beta1:
{{{
$ ./sage -t -long devel/sage/sage/lfunctions/lcalc.py
sage -t -long "devel/sage/sage/lfunctions/lcalc.py"
[20.4 s]
----------------------------------------------------------------------
All tests passed!
Total time for all tests: 20.5 seconds
<snip>
sage: sage: E = EllipticCurve('389a')
sage: sage: E.lseries().values_along_line(0.5, 3, 5)
*** Warning: new stack size = 1003360 (0.957 Mbytes).
[(0, 0.209951303), (0.500000000, -2.92081723e-16), (1.00000000,
0.133768433), (1.50000000, 0.360092864), (2.00000000, 0.552975867)]
}}}
so we can see that all that has to be done is go back to the previous
doctest for that one number (not even the whole list).
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8720#comment:19>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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