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Showing content from https://mail.python.org/pipermail/python-dev/2002-January/019389.html below:

[Python-Dev] 2.1.2 testing.

[Python-Dev] 2.1.2 testing.Tim Peters tim.one@home.com
Fri, 11 Jan 2002 01:13:26 -0500
[Anthony Baxter]
> ...
> Linux/sparc             Debian 2.2 (cf.sf.net)         FAILED
> This is scary. I don't know why this one alone fails - it fails the
> test_math test.
>
> Running the test by hand:
>     anthonybaxter@usf-cf-sparc-linux-1:~/python212_linxsparc$
> PYTHONPATH= ./python  ./Lib/test/test_math.py
>     math module, testing with eps 1e-05
>     constants
>     acos
>     Traceback (most recent call last):
>       File "./Lib/test/test_math.py", line 21, in ?
>         testit('acos(-1)', math.acos(-1), math.pi)
>     OverflowError: math range error
>
> Running math.acos(-1) gives the correct answer. Anyone got any idea?

Sorry, not short of stepping into mathmodule.c under a debugger.  The only
interesting thing about that test is that math.acos(-1) is the very first
call test_math.py makes to the platform libm.  Perhaps if you commented it
out, you'd get a bogus OverflowError from

    testit('acos(0)', math.acos(0), math.pi/2)

on the following line.




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