From: Marshall Clow (marshall_at_[hidden])
Date: 2001-05-15 13:25:32
At 2:17 PM -0400 5/15/01, Beman Dawes wrote:
>Daniel Frey wrote:
> >In finance there is another, sometimes important way of rounding: On a
> >tie, round so that the last digit is even. To illustrate that:
>Gabriel Dos Reis wrote:
> > I think the ability of choosing rounding mode should not be
> > overlooked. It is an essential part of LIA-1 and later standards.
>So a question is do you support that by having a whole bunch of different
>functions, or by the class template taking some kind of a parameter
>(perhaps a traits or policy class) performing the rounding desired?
I like the idea of having a policy class for rounding.
The question that I think needs to be answered is:
Will fixed point numbers that have different rounding rules
need to interoperate?
If not, then a policy class is the way to go.
If so, then we should do something else.
-- -- Marshall Marshall Clow Idio Software <mailto:mclow_at_[hidden]> It is by caffeine alone I set my mind in motion. It is by the beans of Java that thoughts acquire speed, the hands acquire shaking, the shaking becomes a warning. It is by caffeine alone I set my mind in motion.
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