Re: denominating currency

[Richard Wackerbarth]

On Fri, 16 Jun 2000, Dave Peticolas wrote:

> Ok, you've convinced me of the need to track 'smallest denominational
> units', but not why we need to use integers rather than FP numbers.
> You can round FP numbers, too. Why couldn't we just round the FP
> amounts to the appropriate precision when needed? If you're worried
> about the loss of accuracy, you should provide a realistic example
> where the precision of 64-bit floating points is insufficient.

I don't have a problem with 64 bit FP precision. However, I worry that
you don't gain anything by using FP. And you do run the risk of forgetting
to process the values as money rather than true reals.

In that respect, having a struct type which does not allow the "+" operator
would help make sure that you didn't inadvertently overload the simple 
arithmatic operators.

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