Hi Georg,

On Thu, Jul 30, 2009 at 9:35 PM, gsw<georgswe...@googlemail.com> wrote:

<SNIP>

> sage -t -long devel/sage/sage/modules/vector_real_double_dense.pyx
> **********************************************************************
> File "/home/mvngu/usr/bin/sage/devel/sage-main/sage/modules/
> vector_real_double_dense.pyx",
> line 72:
>    sage: v.stats_skew()
> Expected:
>    0.0
> Got:
>    doctest:106: SyntaxWarning: assertion is always true, perhaps
> remove parentheses?
>    0.0
> **********************************************************************
> 1 items had failures:
>   1 of   4 in __main__.example_2
> ***Test Failed*** 1 failures.
>
> might be relatively easy to hunt down and fix. Unfortunately, I don't
> see this failure, since I use Mac OS X 10.4 only. (Does it occur on
> sage.math?)

That doctest sometimes fails when I doctest everything under
SAGE_ROOT/devel/sage-main using sage.math. The following commands on
lines 71 and 72 of
devel/sage/sage/modules/vector_real_double_dense.pyx are what cause
this intermittent failure:

sage: v = vector(RDF, range(9))
sage: v.stats_skew()
0.0

If you enter these two commands at the Sage prompt, you get just "0.0"
and no report of syntax warning.

-- 
Regards
Minh Van Nguyen

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