[SciPy-Dev] ANN: SciPy 0.11.0 release candidate 1

Ralf Gommers ralf.gommers@gmail....
Fri Aug 10 06:53:03 CDT 2012


On Tue, Jul 24, 2012 at 6:07 PM, Rüdiger Kessel
<ruediger.kessel@gmail.com>wrote:

> Rüdiger Kessel <ruediger.kessel <at> gmail.com> writes:
>
> PS: With test_stable() one can tell implementations apart. If snrm2() is
> implemented completely in single precision then the result of norm(a) will
> be
> 10000.0. If internally a double precision implementation is used but the
> result
> is rounded to single precision then the result of norm(a) is 10000.5. Both
> implementations are possible and probably present in different libs.
> Therefore
> the test should allow for both results. It might produce some printed
> comment
> about the implementation.
>

Thanks Rudiger, that explanation was helpful.
https://github.com/scipy/scipy/pull/286 allows for both results in the test.

Ralf
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