[SciPy-dev] K2C accepts negative valued input

Charles R Harris charlesr.harris@gmail....
Sun Sep 13 22:10:25 CDT 2009


On Sun, Sep 13, 2009 at 8:49 PM, David Goldsmith <d.l.goldsmith@gmail.com>wrote:

> Is the following behavior:
>
> >>> from scipy.constants.constants import K2C
> >>> K2C(-40)
> -313.14999999999998
>
> a bug or a feature?
>
> (I know I've read about sub-absolute-zero temperature physics, e.g.,
> http://cryo.gsfc.nasa.gov/introduction/neg_Kelvin.html, but, quoting that
> site: "Physicists have defined a negative absolute temperature, but it's a
> bit flakey...")
>
>
It's a bit flakey. Raising an error would more likely indicate a problem
than not.

Chuck

>
>
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