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Message from discussion Pourquoi 10^16+1-10^16 = 0 ?
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Olivier Miakinen  
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 More options Oct 17 2012, 8:38 am
Newsgroups: fr.comp.lang.c
From: Olivier Miakinen <om+n...@miakinen.net>
Date: Wed, 17 Oct 2012 14:38:50 +0200
Local: Wed, Oct 17 2012 8:38 am
Subject: Re: Pourquoi 10^16+1-10^16 = 0 ?
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Le 17/10/2012 12:43, Dominique MICOLLET a écrit :

> Wikipedia mentionne un "arrondi bancaire" sans expliquer son intérêt.

http://fr.wikipedia.org/wiki/Arrondi#M.C3.A9thode_d.27arrondissage_au...

À ce que je suppose, l'intérêt est d'arrondir une fois sur deux vers le
haut et une fois sur deux vers le bas, ce qui fait qu'en moyenne les
biais auront plus de chances de se compenser que de s'accumuler.

Je suppose aussi qu'il reviendrait au même d'arrondir toujours vers le
chiffre impair plutôt que toujours vers le chiffre pair.

Cordialement,
--
Olivier Miakinen


 
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