Re: Cocoa:Re: number formatting
Re: Cocoa:Re: number formatting
- Subject: Re: Cocoa:Re: number formatting
- From: Timothy Larkin <email@hidden>
- Date: Mon, 04 Mar 2002 09:00:17 -0500
On 2002.02.23 16:45, "Lance Bland" <email@hidden> wrote:
>
Also, I'm not arguing, complaining, or anything like that. I'm asking
>
for suggestions, features, ideas, trying to understand other people's
>
points of view, trying to learn, thinking outside the NSFormatter box if
>
you may, etc.
Suggestion: "How To Print Floating Point Numbers Accurately", Guy Steele and
Jon White, Proceedings of the ACM SIGPLAN'90 Conference on Programming
Language Design and Implementation, White Plains, NY, June 20-22, 1990.
This is available on-line at
http://www.acm.org/pubs/citations/proceedings/pldi/93542/p92-clinger/.
The first sentence of the introduction presents the problem, "Isn't it a
pain when you ask a computer to divide 1.0 by 10.0 and it prints 0.0999999?"
The article presents a number of algorithms for this problem. I have some
C++ code that implements the simplest of the schemes presented.
--
Timothy Larkin
Abstract Tools
Caroline, NY
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