From: "Daniel G." <daniel.gaytan.news@...>
Date: 2010-09-10T08:45:07+09:00
Subject: Re: rounding UP by 0.05

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I couldn't catch you that much, but I tried something like:

(0.5625*10).ceil.to_f/10 # =3D> 0.6

That will round the number always up.

I don't know if that would help you.

Daniel Gayt=E1n
<http://survey.richapplabs.com/index.php?sid=3D62661&lang=3Den>


2010/9/9 Bharat Ruparel <bcruparel@yahoo.com>

> I am almost there but not quite.  I need to round UP the computed tax
> amount to the nearest 5 cents (or $ 0.05).  I have gotten to the point
> where I can round (up or down) to the nearest 5 cents.  Here is my
> funtion:
>
> # computer the tax for each item given quantity, price, and percent tax
> def compute_tax(quantity, price, percent_tax)
>  raw_value =3D (quantity * price * (percent_tax/100.0))
>  rounded_value =3D (raw_value * 20).round / 20.0
>  rounded_value
> end
>
> This does not work for the cases where the computation of raw_value
> works out to something like 0.5625 for example.  The function shown
> above returns 0.55.  I would like it to return 0.60 in such cases.
> Cannot figure this out.
>
> Appreciate any help in advance.
>
> Thanks.
>
> Bharat
> --
> Posted via http://www.ruby-forum.com/.
>
>

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