id	summary	reporter	owner	description	type	status	priority	milestone	component	resolution	keywords	cc	work_issues	upstream	reviewer	author	merged	dependencies	stopgaps
4017	[with patch, positive review] Sage 3.1.2.alpha1 - PPC OSX: numerical noise in sage/stats/hmm/chmm.pyx	mabshoff	mabshoff	"{{{
sage -t  devel/sage/sage/stats/hmm/chmm.pyx                
**********************************************************************
File ""/Users/sagedevel/Desktop/sage-3.1.2.alpha1/tmp/chmm.py"", line 579:
    sage: m.log_likelihood([ ([1,0,1,1], 10),  ([1,0,1,20], 0.1)  ])
Expected:
    -72.225116741468781
Got:
    -72.225116741468767
**********************************************************************
File ""/Users/sagedevel/Desktop/sage-3.1.2.alpha1/tmp/chmm.py"", line 701:
    sage: m
Expected:
    Gaussian Hidden Markov Model with 2 States
    Transition matrix:
    [1.0 0.0]
    [0.0 1.0]
    Emission parameters:
    [(1.946539535984342, 0.70508296299241024), (2.0208156913293394, 0.70680033099099593)]
    Initial probabilities: [0.28024729110782109, 0.71975270889217891]
Got:
    Gaussian Hidden Markov Model with 2 States
    Transition matrix:
    [1.0 0.0]
    [0.0 1.0]
    Emission parameters:
    [(1.9465395359843427, 0.70508296299241024), (2.0208156913293389, 0.70680033099099593)]
    Initial probabilities: [0.28024729110782093, 0.71975270889217924]
**********************************************************************
File ""/Users/sagedevel/Desktop/sage-3.1.2.alpha1/tmp/chmm.py"", line 713:
    sage: m
Expected:
    Gaussian Hidden Markov Model with 2 States
    Transition matrix:
    [1.0 0.0]
    [0.0 1.0]
    Emission parameters:
    [(1.5851786151779879, 0.57264580740105153), (1.5945035666064733, 0.57928632238916189)]
    Initial probabilities: [0.38546857052811945, 0.61453142947188055]
Got:
    Gaussian Hidden Markov Model with 2 States
    Transition matrix:
    [1.0 0.0]
    [0.0 1.0]
    Emission parameters:
    [(1.5851786151779883, 0.57264580740105153), (1.5945035666064731, 0.57928632238916189)]
    Initial probabilities: [0.38546857052811928, 0.61453142947188077]
**********************************************************************
}}}"	defect	closed	blocker	sage-3.1.2	doctest coverage	fixed