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[Octave-bug-tracker] [bug #32885] norm(NaN,Inf) produce 0

From: Sergey B Kirpichev
Subject: [Octave-bug-tracker] [bug #32885] norm(NaN,Inf) produce 0
Date: Thu, 24 Mar 2011 12:52:48 +0000
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; ru-ru) AppleWebKit/531.2+ (KHTML, like Gecko) Version/5.0 Safari/531.2+ Debian/squeeze (2.30.6-1) Epiphany/2.30.6 
Follow-up Comment #6, bug #32885 (project octave):

> So as I see it, this is a corner case, but my patch seems to work on major
compilers. 

e.g. icc ?

> We could introduce the "right" patch that explicitly checks for
> NaN, at the risk of introducing some inefficiency... or we could use this
> patch which is likely to work for a long time on all major compilers.

I hope, we should do the first option.  Moreover, this fix doesn't solve

>> norm([0,NaN],inf)
ans = 0

I think we shouldn't clone stupid things that do Matlab.


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