From: Karch <dimeneira@...>
Date: 2011-09-20T22:39:57+09:00
Subject: Re:

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My bad. I assumed errantly that ruby's rand would default return a rand
number bounded by int size.

Too much C++ for me :P

Thanks for the correction!

In Christ,
Karch

On Tue, Sep 20, 2011 at 4:02 AM, Robert Klemme
<shortcutter@googlemail.com>wrote:

> On Mon, Sep 19, 2011 at 7:34 PM, Karch <dimeneira@gmail.com> wrote:
> > Also you can mod the number by the cardinality of your range and then add
> > your lower bound.
>
> That's not a workable approach:
>
> 09:56:29 Temp$ ruby19 -e 'p rand'
> 0.13646702557098767
>
> So you need to use rand with an integer argument - and if you do that
> there is no point in picking another value than the range size.
> You'll end up with the solution Chris proposed.
>
> Kind regards
>
> robert
>
> --
> remember.guy do |as, often| as.you_can - without end
> http://blog.rubybestpractices.com/
>
>

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