• To: ricko@a... (Rick Jelliffe)
• Subject: Re: bohemians, gentry
• From: John Cowan <jcowan@r...>
• Date: Thu, 5 Dec 2002 07:07:23 -0500 (EST)
• Cc: xml-dev@l... (XML DEV)
• In-reply-to: <009501c29c23$5077eba0$4bc8a8c0@A...> from "Rick Jelliffe" at Dec 05, 2002 04:58:20 PM

Rick Jelliffe scripsit:

> The concrete example is the one currently under discussion in various places: that in
> XML Schemas datatypes you cannot represent any exact amounts that
> have decimal positions.  So the decimal "1.1" is not the exact number 1.1.  
> This will be well-known to most people who have done undergraduate 
> computer science, and for a catch up, see Sun's BigDecimal documentation.

So bag BigDecimal and use a real decimal-number class such as
netrexx.lang.Rexx, which represents 1.1 exactly and even knows that
2 * 1.20 is 2.40.

http://www2.hursley.ibm.com/netrexx/nrdocs.html

-- 
John Cowan   jcowan@r...  http://www.ccil.org/~cowan
Most languages are dramatically underdescribed, and at least one is 
dramatically overdescribed.  Still other languages are simultaneously 
overdescribed and underdescribed.  Welsh pertains to the third category.
        --Alan King

• References:
  • Re: bohemians, gentry
    • From: "Rick Jelliffe" <ricko@a...>

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