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Re: scroll-conservatively overflow

From: Juanma Barranquero
Subject: Re: scroll-conservatively overflow
Date: Sat, 17 Apr 2004 22:52:28 +0200

On Sat, 17 Apr 2004 15:42:07 -0400, Richard Stallman <address@hidden> wrote:

> Perhaps we should use long long for that
> multiplication, and if the result is bigger than the largest positive
> integer, reduce it to the largest positive integer.

Well, that's almost what my patch does, with the difference that for
large values of scroll-conservatively it won't produce the largest
positive integer, but 

  int(most-positive-fixnum / FRAME_LINE_HEIGHT (f)) * FRAME_LINE_HEIGHT (f)

but the two are equivalent for all practical purposes.


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