Re: [boost] Fixed-Point Decimal Interface

From: Peter Dimov (pdimov_at_[hidden])
Date: 2001-05-10 12:23:29

From: "Bill Seymour" <bsey_at_[hidden]>

> One discussion I'd like to have is about the type of the
> result of arithmetic operations.  Using multiplication
> as an example:
> 
>   template<int Scale1, int Scale2>
>   decimal<???>
>   operator*(const decimal<Scale1>&, const decimal<Scale2>&);
> 
> should ??? be Scale1 (as I have it now) or Scale1 + Scale2?

In the case of operator+, max(Scale1, Scale2).

As for op*. What do you get when you multiply $2.04 and $4.11? :-)

--
Peter Dimov
Multi Media Ltd.