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Re: package nan warnings


From: Jordi Gutiérrez Hermoso
Subject: Re: package nan warnings
Date: Thu, 2 Aug 2012 15:53:37 -0400

On 2 August 2012 15:42, Yin, Yue-Jun <address@hidden> wrote:
> Alois,
> Thank you. I got your point about the agreement issue.
> What is the consequence of shadowing? The performance is enhanced or the 
> other way?

The NaN package overwrites core functions, because Alois thinks
they're buggy. I disagree. The reason to overwrite them is that Alois
thinks NaNs should never be propagated in a calculation. The point of
the NaN package is to do this, to never propagate NaNs, but just omit
them from a calculation. So for example, in core Octave sum([1 NaN 2])
is NaN, but in Alois's package it's 3.

- Jordi G. H.


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