[texhax] Horizontal Footnotes in Critical Editions

Alexander I Rozhenko roj at front.ru
Thu Sep 8 18:50:53 CEST 2005

Hi all,

Thank you for the bug report and proposals to manyfoot correction. I think
the following correction will be a compromise between proposed solutions:

\@tempdima \normalbaselineskip
\multiply \@tempdima 256
\@tempdimb \columnwidth
\divide \@tempdimb 4
\divide \@tempdima \@tempdimb
\multiply\@tempdima 64

This formulas will work for \normalbaselineskip near 64pt. I think it will
be enough.

Formally, the previous expression was

(\normalbaselineskip * 1024) / columnwidth * 64

and a new one:

(\normalbaselineskip * 256) / (columnwidth / 4)  * 64

This will be a bit less accurate than in the previous case (for column width
near 3 inch the additional relative error will be near 3*10^{-7}). This is
too low error that will not affect on the formatting.

Alexander I Rozhenko

----- Original Message ----- 
From: "Uwe Lück" <uwe.lueck at web.de>
To: <texhax at tug.org>
Cc: "Alexander Rozhenko" <roj at front.ru>; <herries.press at earthlink.net>;
<ednotes.sty at web.de>
Sent: Thursday, September 08, 2005 3:42 PM
Subject: Re: [texhax] Horizontal Footnotes in Critical Editions

> At 10:36 07.09.05, Chris Yocum wrote:
> >few moments to help.  I read the documentation then put
> >\usepackage{ednotes} in the preamble of my document.  I put the
> >document through pdflatex and recieved 43 errors and I did not even
> >put a command in the document, just the \usepackage.  I took a look at
> >the log file and I found this "(C:\texmf\tex\latex\psnfss\ot1ptm.fd
> >File: ot1ptm.fd 2001/06/04 font definitions for OT1/ptm.
> >)
> >! Arithmetic overflow.
> >\MFL at floathook ...eskip \multiply \@tempdima 1024
> >                                                   \divide \@tempdima
> > \column..."
> >      I took a look at ledmac but found the documentation so daunting
> >that I would rather use ednotes if possible.
> Thank you for the bug report and the .log data. I would like to see the
> other errors, so please send me the entire .log (may be just to
> uwe.lueck at web.de).
> The overflow happens as soon as the \footnotesize \baselineskip
> exceeds 16 pt, while in standard LaTeX this doesn't exceed 12 pt.
> So are you preparing slides? I would also like to see your preamble.
> [This mainly addresses the package authors:]
> Maybe the relevant algorithm in manyfoot must be changed.
> Numerics (which is the manyfoot' author' profession) teach
> to multiply before dividing in order to minimize rounding errors,
> while it may be better to change this order in the present situation.
> Oh, a better idea would be to precede the multiplication by 1024
> with dividing by 8 (e.g.) and insert multiplication by 8
> immediately after dividing by \columnwidth (or replace 1024
> by 128 and 64 by 512). (This might be done on a `slides'
> option as well.)
> According to this diagnosis (which I am not 100% sure about)
> the problem would be the same with the recent version of ledmac,
> because it multiplies the \footnotesize \baselineskip by 1024
> before dividing (at the analogous point) as well.
> I could send a patch if the package authors don't react,
> but please send the additional informations before any
> package author works on the macros.
> Lucky typesetting,
> Uwe Lueck.

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