From: Goswin von Brederlow <goswin-v-b@web.de>
To: Gabriel Scherer <gabriel.scherer@gmail.com>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] How to simplify an arithmetic expression ?
Date: Wed, 05 Oct 2011 15:17:26 +0200 [thread overview]
Message-ID: <87zkhfpogp.fsf@frosties.localnet> (raw)
In-Reply-To: <CAPFanBFQpsmv=U+=4u0d0x8TH3MD4HktL9ptt5qq0vjtupuY9Q@mail.gmail.com> (Gabriel Scherer's message of "Sun, 2 Oct 2011 19:07:11 +0200")
Gabriel Scherer <gabriel.scherer@gmail.com> writes:
>> Below is a quick tentative implementation of NbE, on a slightly
>> restricted expression type (I removed the not-so-interesting Minus
>> nodes).
>
> Sorry, I forgot to give a small example of what the implementation
> does. Really the obvious thing, but it may not be so obvious just
> looking at the code.
> Here is an example of (X*2+Y)*(3+(Y*2+Z)) being 'rewritten' to
> (1*Y)*Z+((2*Y)*Y+(3*Y+((2*X)*Z+((4*X)*Y+6*X)))).
(1*Y)? That certainly isn't optimal.
MfG
Goswin
next prev parent reply other threads:[~2011-10-05 13:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-02 11:51 Diego Olivier Fernandez Pons
2011-10-02 14:08 ` Gabriel Scherer
2011-10-02 15:09 ` Ernesto Posse
2011-10-02 16:32 ` Xavier Leroy
2011-10-02 16:48 ` Gabriel Scherer
2011-10-02 17:07 ` Gabriel Scherer
2011-10-05 13:17 ` Goswin von Brederlow [this message]
2011-10-05 21:31 ` Gabriel Scherer
2011-10-02 16:56 ` Xavier Clerc
2011-10-05 13:09 ` Goswin von Brederlow
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