This fixes it for me:
https://github.com/sympy/sympy/pull/9199
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Better reproduction of this bug:
In [1]: from sympy import *
In [2]: inf = Float('inf')
In [3]: oo < inf
Out[3]: False
In [4]: -oo < -inf
Out[4]: -oo < -inf
In [5]: bool(-oo < -inf)
---
TypeError
On Tuesday, March 24, 2015 at 1:10:25 PM UTC+1, Sebastian Koslowski wrote:
>
> Sure:
>
> [koslowski@host ~]$ PYTHONHASHSEED=123 ipython3
>
I've been able to reproduce this bug. Apparently it's related to Python 3.3
version. I don't get it on versions 2.7 and 3.4 of Python.
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On Tue, Mar 24, 2015 at 1:13 PM, Francesco Bonazzi
wrote:
>
> Try this:
>
> res = P(N0 <= 1.1001, evaluate=Fales)
> res.doit()
>
> and see whether the exception is raised by the first or the second step.
>
It is raised by the first step.
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On Tuesday, March 24, 2015 at 12:33:01 PM UTC+1, Joachim Durchholz wrote:
>
> Am 24.03.2015 um 11:18 schrieb Sebastian Koslowski:
> >
> > Judging from the error message and traceback I looks like a bug to me.
>
> Can you post an example?
> I.e. full session, from PYTHONHASHSEED setting to trac
Sure:
[koslowski@host ~]$ PYTHONHASHSEED=123 ipython3
Python 3.3.2 (default, Dec 4 2014, 12:49:00)
Type "copyright", "credits" or "license" for more information.
IPython 2.3.1 -- An enhanced Interactive Python.
? -> Introduction and overview of IPython's features.
%quickref -> Quick refe
Am 24.03.2015 um 11:18 schrieb Sebastian Koslowski:
Judging from the error message and traceback I looks like a bug to me.
Can you post an example?
I.e. full session, from PYTHONHASHSEED setting to traceback?
Then we have a chance to repeat the issue.
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On Thursday, March 19, 2015 at 6:02:46 PM UTC+1, Joachim Durchholz wrote:
>
>
> One cause of random behaviour is built right into Python.
> Set the environment variable PYTHONHASHSEED to an integer when starting
> SymPy, and this source of randomness is eliminated and you'll get
> repeatable b
Am 19.03.2015 um 11:38 schrieb Sebastian Koslowski:
Hey,
I am trying to use the stats module to calculate probabilities for a normal
distributed RV.
Problem is, I sometimes get "TypeError: cannot determine truth value of -oo
< -inf".
Weird thing is, the error is not always reproducible between (
Hey,
I am trying to use the stats module to calculate probabilities for a normal
distributed RV.
Problem is, I sometimes get "TypeError: cannot determine truth value of -oo
< -inf".
Weird thing is, the error is not always reproducible between (ipython)
sessions (see below)
Can somebody explai
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