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SubjectRe: elevator algorithm bug in ll_rw_blk.c
Though in the UK, I was using the US definition.  I meant what we'd call
a lift. Yes, many of the ones I've seen have separate Up and Down buttons.

-- Jamie

On Tue, Nov 17, 1998 at 02:59:21PM +0000, Riley Williams wrote:
> >>> If you watch a real elevator you'll see they too use the elevator
> >>> algorithm
> >> They stop for passengers going up _or_ down.
> > Not elevators I've seen -- they have Up and Down buttons and only
> > stop for passengers going in the right direction, or when the
> > elevator isn't in use.
> I think there's some confusion over the term 'elevator' in this
> discussion, so let me clarify the two possible definitions please:
> 1. US definition: An elevator is a cage suspended on ropes that
> moves up or down a vertical shaft depending on the whims of
> the people in it. Known as a 'lift' in Europe.
> 2. European definition: An elevator is a set of stairs that move
> up or down (as set) continuously, with passengers stepping on
> at one end and off at the other without having to move in
> between. They are usually installed in pairs, one going each
> way. I don't know what this is called in the USA.

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