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From: Christophe TROESTLER <Christophe.Troestler+ocaml@umh.ac.be>
To: peng.zang@gmail.com
Cc: caml-list@yquem.inria.fr, rajb@rice.edu
Subject: Re: [Caml-list] equality operators in OCaml
Date: Fri, 25 Jul 2008 12:34:54 +0200 (CEST)	[thread overview]
Message-ID: <20080725.123454.62538826676999671.Christophe.Troestler+ocaml@umh.ac.be> (raw)
In-Reply-To: <200807242140.40245.peng.zang@gmail.com>

On Thu, 24 Jul 2008 21:40:36 -0400, Peng Zang wrote:
> 
> On Thursday 24 July 2008 06:32:36 pm Jon Harrop wrote:
> > There are some complications here. Firstly, NaN has multiple
> > representations that may or may not be physically equal but is always
> > structurally unequal to itself.
> 
> Yeah, that always seemed broken to me.  If two things are physically equal 
> (they occupy the same memory space) it doesn't make sense for them to be 
> structurally unequal (contain different content).  Personally, one of the 
> first things I did is redefined (=) to fix this.

Humm...  http://citeseer.ist.psu.edu/goldberg91what.html is certainly
a good read...

My 0.02€,
C.


  reply	other threads:[~2008-07-25 10:35 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-24 19:27 Raj Bandyopadhyay
2008-07-24 22:15 ` [Caml-list] " Vincent Hanquez
2008-07-24 22:32 ` Jon Harrop
2008-07-25  1:40   ` Peng Zang
2008-07-25 10:34     ` Christophe TROESTLER [this message]
2008-07-25 12:04       ` Peng Zang
2008-07-25 20:14     ` Matthew William Cox
2008-07-25 22:27       ` Peng Zang

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