#12594: fix some trivial noise issues on some architecture with hidden markov
models
----------------------------+-----------------------------------------------
Reporter: was | Owner: amhou
Type: defect | Status: positive_review
Priority: trivial | Milestone: sage-5.0
Component: statistics | Keywords:
Work_issues: | Upstream: N/A
Reviewer: John Cremona | Author: William Stein
Merged: | Dependencies:
----------------------------+-----------------------------------------------
Changes (by newvalueoldvalue):
* author: => William Stein
Old description:
> From Cremona:
> {{{
> Here's a test failure with beta5 which I don't think I have seen
> before. Build from scratch on 32-bit ubuntu, gcc 4.4.3. Only
> numerical fuzz but still...
>
> john@john-laptop%./sage -t --long -force_lib
> "devel/sage/sage/stats/hmm/chmm.pyx"
> sage -t --long -force_lib "devel/sage/sage/stats/hmm/chmm.pyx"
> **********************************************************************
> File "/home/john/sage-5.0.beta5/devel/sage/sage/stats/hmm/chmm.pyx", line
> 865:
> sage: m.baum_welch([-2,-1,.1,0.1])
> Expected:
> (4.534646052182663, 7)
> Got:
> (4.534646052182662, 7)
> **********************************************************************
> File "/home/john/sage-5.0.beta5/devel/sage/sage/stats/hmm/chmm.pyx", line
> 867:
> sage: m.log_likelihood([-2,-1,.1,0.1])
> Expected:
> 4.534646052182663
> Got:
> 4.534646052182662
> **********************************************************************
> 1 items had failures:
> 2 of 21 in __main__.example_19
> ***Test Failed*** 2 failures.
> For whitespace errors, see the file /home/john/.sage//tmp/chmm_19036.py
> [2.7 s]
> }}}
New description:
From John Cremona:
Here's a test failure with sage-5.0.beta5 which I don't think I have seen
before. Build from scratch on '''32-bit ubuntu, gcc 4.4.3'''.
{{{
john@john-laptop%./sage -t --long -force_lib
"devel/sage/sage/stats/hmm/chmm.pyx"
sage -t --long -force_lib "devel/sage/sage/stats/hmm/chmm.pyx"
**********************************************************************
File "/home/john/sage-5.0.beta5/devel/sage/sage/stats/hmm/chmm.pyx", line
865:
sage: m.baum_welch([-2,-1,.1,0.1])
Expected:
(4.534646052182663, 7)
Got:
(4.534646052182662, 7)
**********************************************************************
File "/home/john/sage-5.0.beta5/devel/sage/sage/stats/hmm/chmm.pyx", line
867:
sage: m.log_likelihood([-2,-1,.1,0.1])
Expected:
4.534646052182663
Got:
4.534646052182662
**********************************************************************
1 items had failures:
2 of 21 in __main__.example_19
***Test Failed*** 2 failures.
For whitespace errors, see the file /home/john/.sage//tmp/chmm_19036.py
[2.7 s]
}}}
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12594#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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