[Newbies] Rouding Floats up to a number of decimals - Method Finder

[Marcin Tustin]

Why is it important to you to have a float? Once you've truncated it, you
have a rational number, by definition.
Are you sure you want to truncate the number, rather than performing the
truncation in the presentation layer?

On Wed, Jul 23, 2008 at 10:34 AM, cdrick <cdrick65 at gmail.com> wrote:

> >
> > Float has a truncate and round off protocal with metods that truncate
> > and round to integer.
> >
> > So it looks you have to do something like
> >
> > (aFloat * (10^desiredDecimals) + 0.5) truncated / (10^desiredDecimals)
> >
> > or without the + 0.5 for truncation.
> >
>
>
> close to what I proposed earlier ;-)  Just need a conversion to Float
> as it returns a fraction.
>
> so no existing method... Isn't it something common ?
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