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Ublas :

From: Karl Meerbergen (Karl.Meerbergen_at_[hidden])
Date: 2007-08-24 08:01:00


Sure. I am interested to know in which applications rational arithmetic
is used. It is discussed many decades ago, but never broke through, as
far as I can see.

Thanks,

Karl

Jeffrey Brent McBeth wrote:

>On Fri, Aug 24, 2007 at 01:22:54PM +0200, Karl Meerbergen wrote:
>
>
>>Hi,
>>
>>What is the advantage of boost::rational numbers compared to floating
>>numbers?
>>
>>
>
>Err, if you are only working with rational numbers, then you can get exact
>answers, where with floating point, you only get exact answers for
>non-repeating short mantissa decimal representations. For example .03 can
>be represented as 3/100 rather than .02999.. (doesn't go on forever, but I
>don't remember the cut off for fp right now)
>
>Jeff
>
>
>
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