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Cc: smichr
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Comment #2 on issue 2180 by asmeurer: examples/advanced/relativity.py
stopped working
http://code.google.com/p/sympy/issues/detail?id=2180
The implementation of this ODE was hashish a long time ago back before I
wrote the new ODE module. Nowadays, though, there are no hacks in the
module, as every ODE, including this one, uses a legitimate method to solve
it.
The ODE is actually tested in test_Liouville, but I guess the form there is
a little different, so that it passes but the one in the example fails. I
have bisected it down to
commit aeb80f87a16fad38ffc44b18aa52d739519e003b
Author: Chris Smith <[email protected]>
Date: Mon Sep 6 10:07:26 2010 +0545
2049: don't set evaluate to True when doing subs
If you want doit done then you have to do so after the subs
or write a custom routine to do so for you.
so Chris, could you look at why this is failing?
As for testing the examples, I agree. We should run ./examples/all.py with
setup.py test. It needs be modified to suppress the output, though, unless
an example fails or it is given a -v option.
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