Also, when I use seterr(all='ignore') the the tests fail: ====================================================================== FAIL: Ticket #112 ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/common/homes/g/granger/usr/local/lib/python/numpy/core/tests/test_regression.py", line 219, in check_longfloat_repr assert(str(a)[1:9] == str(a[0])[:8]) AssertionError ---------------------------------------------------------------------- Ran 516 tests in 0.823s FAILED (failures=1) Thanks for helping out on this. On 10/20/06, Tim Hochberg <tim.hochberg@ieee.org> wrote:
Brian Granger wrote:
Hi,
i am running numpy on aix compiling with xlc. Revision 1.0rc2 works fine and passes all tests. But 1.0rc3 and more recent give the following on import:
Warning: invalid value encountered in multiply Warning: invalid value encountered in multiply Warning: invalid value encountered in multiply Warning: invalid value encountered in add Warning: invalid value encountered in not_equal Warning: invalid value encountered in absolute Warning: invalid value encountered in less Warning: invalid value encountered in multiply Warning: invalid value encountered in multiply Warning: invalid value encountered in equal Warning: invalid value encountered in multiply Warning: invalid value encountered in multiply Warning: invalid value encountered in multiply Warning: invalid value encountered in add Warning: invalid value encountered in not_equal Warning: invalid value encountered in absolute Warning: invalid value encountered in less Warning: invalid value encountered in multiply Warning: invalid value encountered in multiply Warning: invalid value encountered in equal Warning: invalid value encountered in multiply Warning: invalid value encountered in multiply Warning: invalid value encountered in multiply [lots more of this]
The odd thing is that all tests pass. I have looked, but can't find where this Warning is coming from in the code. Any thoughts on where this is coming from? What can I do to help debug this? I am not sure what revision introduced this issue.
The reason that you are seeing this now is that the default error state has been tightened up. There were some issues with tests failing as a result of this, but I believe I fixed those already and you're seeing this on import, not when running the tests correct? The first thing to do is figure out where the invalids are occurring, and the natural way to do that is to set the error state to raise, but you can't set the error state till you import it, so that's not going to help here.
I think the first thing that I would try is to throw in a seterr(all='raise', under='ignore') right after the call to _setdef in numeric.py. If you're lucky, this will point out where the invalids are popping up. As a sanity check, you could instead make this seterr(all='ignore'), which should make all the warnings go away, but won't tell you anything about why there are warnings to begin with.
Regards,
-tim
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