re: A92: quirks

To: assembly-92@lists.ticalc.org
Subject: re: A92: quirks
From: Shawn Prestridge <sprestridge@ti.com>
Date: Thu, 31 Jul 1997 14:31:00 -0700
Conversation-Id: <BMSMTP87010370011a0384560@dpcs4.itg.ti.com>
In-Reply-To: <BMSMTP8703796562a0718998@dpcs4.itg.ti.com>
Reply-To: assembly-92@lists.ticalc.org

Andrew,
	This was sent to me by the programmer who coded the parser of the
calcualtor.  I hope this answers your question!!

>  Shawn,
>    These results occur because exact() and approx() are NOT true function 
>  calls.  They are actually "temporary mode switches".  Thus, if you construct 
>  compositions using exact() and approx(), you only get the result of the 
>  innermost switch.  exact(approx(...)) is equivalent to simply approx(...).  
>  approx(exact(...)) is equivalent to simply exact(...).
>  
>  Regards,
>  BudG
>  ----------
>  
>  ------------------
>  Original text
>  
>  From: Shawn Prestridge <sprestridge@ti.com>, on 7/28/97 8:33 AM:
>  Bud,
>          A set of two problems was recently sent in on the assembly-92 
>  mailing
>  list (formerly the list-fargo).  They seem a little counter-intuitive, but 
>  Glen
>  vaguely recalls that there was some reason this occurs.  Could you provide a
>  little more information for my own benefit?  Thanks...  The problems and 92 
>  answers are as follows:
>  
>  exact(approx(.5)) => .5
>  exact(approx(1/2)) => .5
>  approx(exact(.5)) => 1/2
>  approx(exact(1/2)) => 1/2
>  
>  Thanks in advance,
>  Shawn Prestridge
>  Texas Instruments, Inc.
>  Educational & Productivity Solutions
>  7800 Banner Drive MS 3908
>  Dallas, Texas 75251
>  (972) 917-1698
>  (972) 917-7103 FAX
>  
>  

Shawn Prestridge
Texas Instruments, Inc.
Educational & Productivity Solutions
7800 Banner Drive MS 3908
Dallas, Texas 75251
(972) 917-1698
(972) 917-7103 FAX

Follow-Ups:

Re: A92: quirks

From: Andrew Sieber <asieber@usa.net>

References:

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