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%%
%% This is file `parrun.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% parrun.dtx (with options: `parrun')
%%
%% IMPORTANT NOTICE:
%%
%% For the copyright see the source file.
%%
%% Any modified versions of this file must be renamed
%% with new filenames distinct from parrun.sty.
%%
%% For distribution of the original source see the terms
%% for copying and modification in the file parrun.dtx.
%%
%% This generated file may be distributed as long as the
%% original source files, as listed above, are part of the
%% same distribution. (The sources need not necessarily be
%% in the same archive or directory.)
%% parrun.dtx
%% Copyright (C) 2003 Massimiliano Dominici
%% \CharacterTable%% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%% Digits \0\1\2\3\4\5\6\7\8\9
%% Exclamation \! Double quote \" Hash (number) \#
%% Dollar \$ Percent \% Ampersand \&
%% Acute accent \' Left paren \( Right paren \)
%% Asterisk \* Plus \+ Comma \,
%% Minus \- Point \. Solidus \/
%% Colon \: Semicolon \; Less than \<
%% Equals \= Greater than \> Question mark \?
%% Commercial at \@ Left bracket \[ Backslash \\
%% Right bracket \] Circumflex \^ Underscore \_
%% Grave accent \` Left brace \{ Vertical bar \|
%% Right brace \} Tilde \~}
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %
%% ******************** %
%% * PARALLEL RUNNING * %
%% ******************** %
%% This is package ``parrun.sty'', providing %
%% a set of macro for typesetting two streams %
%% of text running parallel on the same phy- %
%% sical page, in a vertical layout. %
%% %
%% Author: Massimiliano Dominici %
%% Date: 18/11/2003 %
%% Version: 1.1 %
%% %
%% Released under the GNU General Public License. %
%% Please report any bugs to mlgdominici@interfree.it %
%% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\NeedsTeXFormat{LaTeX2e}[2001/06/01]
\ProvidesPackage{parrun}[2004/02/06 v1.1a Package for parallel text]
\RequirePackage{ifthen} \RequirePackage{calc}
\newif\ifmultic@l
\DeclareOption{multicol}{\multic@ltrue}
\ProcessOptions
\newbox\ffram
\newbox\sfram
\newcount\k
\newcount\cnum
\cnum=2
\newlength\flength
\newlength\slength
\newlength\ffrac
\newlength\sfrac
\newlength\nop
\newlength\total
\newlength\actualheight
\newlength\initskip
\setlength{\initskip}{0pt}
\newdimen\colframsep
\newdimen\h
\newdimen\test
\newdimen\temp
\colframsep=8pt
\newenvironment{fframe}{\global\setbox\ffram=\vbox\bgroup}{\vfill\egroup}
\newenvironment{sframe}{%
\ifmultic@l \k=\cnum \advance\k by -1
\dimen0=\textwidth \divide\dimen0 by
\cnum \advance\dimen0 by -\k\colframsep
\hsize=\dimen0
\fi
\global\setbox\sfram=\vbox\bgroup}
{\vfill\egroup}
\newcommand{\b@xbalance}{%
\vbox to\initskip{}
\vsplit\ffram to \flength
\smallskip \hrule \smallskip
\rigidbalance}
\newcommand{\v@idb@xbalance}{%
\vbox to\initskip{}
\vbox to \flength{}
\smallskip \hrule \smallskip
\rigidbalance}
\newcommand{\v@idb@xone}{%
\vbox to\initskip{}
\vbox to \flength{}
\smallskip \hrule \smallskip
\vsplit\sfram to \slength}
\newcommand{\v@idb@xtwo}{%
\vbox to\initskip{}
\vsplit\ffram to \flength
\smallskip \hrule \smallskip
\vbox to \slength{}}
\newcommand{\splitb@x}{%
\vbox to\initskip{}
\vsplit\ffram to \flength
\smallskip \hrule \smallskip
\vsplit\sfram to \slength}
\newcommand{\rigidbalance}{\hsize=\textwidth \k=\cnum
\ifdim\ht\sfram>\cnum\slength
\myline{\splittopskip=\h \vbadness=10000 \hfilneg
\valign{##\vfil\cr\dosplits}}
\else
\myline{\temp=\ht\sfram \advance\temp by \baselineskip
\divide\temp by \cnum \splittopskip=\h \vbadness=10000
\hfilneg \valign{##\vfil\cr\dobalance}}
\fi}
\newcommand{\dosplits}{\ifnum\k>0 \noalign{\hfil}
\splitoff\global\advance\k-1\cr\dosplits\fi}
\newcommand{\splitoff}{
\vsplit\sfram to \slength}
\newcommand{\dobalance}{\ifnum\k>0 \noalign{\hfil}
\finalbalance\global\advance\k-1\cr\dobalance\fi}
\newcommand{\finalbalance}{
\vsplit\sfram to \temp}
\newcommand{\myline}{\hbox to\hsize}
\newcommand{\m@kelayout}{%
\ifmultic@l
\whiledo{\ht\ffram>0 \AND \ht\sfram>0}{\b@xbalance}
\ifthenelse{\ht\ffram>0 \AND \ht\sfram=0}{\whiledo{\ht\ffram>0
\AND \ht\sfram=0}{\v@idb@xtwo}
\sec@nderror}
\ifthenelse{\ht\ffram=0 \AND \ht\sfram>0}{\whiledo{\ht\ffram=0
\AND \ht\sfram>0}{\v@idb@xbalance}
\sec@nderror}
\else
\whiledo{\ht\ffram>0 \AND \ht\sfram>0}{\splitb@x}
\ifthenelse{\ht\ffram>0 \AND \ht\sfram=0}{\whiledo{\ht\ffram>0
\AND \ht\sfram=0}{\v@idb@xtwo}
\sec@nderror}
\ifthenelse{\ht\ffram=0 \AND \ht\sfram>0}{\whiledo{\ht\ffram=0
\AND \ht\sfram>0}{\v@idb@xone}
\sec@nderror}
\fi
\UsefulLengthsTable}
\newcommand{\UserDefWidths}[2]{
\setlength{\actualheight}{%
\textheight-2\smallskipamount-\topskip-\baselineskip}
\flength=.#1\actualheight \slength=.#2\actualheight
\test=\flength \advance\test by \slength
\ifdim\test>\actualheight
\firsterror
\fi
\m@kelayout
}
\newcommand{\AutoCompute}{%
\setlength{\actualheight}{%
\textheight-2\smallskipamount-\topskip-\baselineskip-\initskip}
\ifmultic@l
\setlength{\total}{\cnum\ht\ffram+\ht\sfram}
\divide\total by 10 \divide\actualheight by 10%
\setlength{\nop}{1pt*\ratio{\total}{\cnum\actualheight}}
\setlength{\flength}{1pt*\ratio{\ht\ffram}{\nop}}
\setlength{\slength}{1pt*\ratio{\ht\sfram}{\cnum\nop}}
\else
\setlength{\total}{\ht\ffram+\ht\sfram}
\divide\total by 10 \divide\actualheight by 10%
\setlength{\nop}{1pt*\ratio{\total}{\actualheight}}
\setlength{\flength}{1pt*\ratio{\ht\ffram}{\nop}}
\setlength{\slength}{1pt*\ratio{\ht\sfram}{\nop}}
\fi
\setlength{\ffrac}{1pt*\ratio{\flength}{10\actualheight}}
\setlength{\sfrac}{1pt*\ratio{\slength}{10\actualheight}}
\m@kelayout
}
\newcommand{\Place}{%
\@ifstar{\AutoCompute}{\UserDefWidths}}
\newcommand{\UsefulLengthsTable}{%
\AtEndDocument{\immediate\write\m@ne{******************************************^^J%
ffrac=\the\ffrac, sfrac=\the\sfrac^^J%
flength=\the\flength, slength=\the\slength^^J%
******************************************}}
}
\newcommand{\firsterror}{\PackageError{parrun}{%
Warning: Text fractions exceeding \string\textheight}
{The total dimension of
the single fractions of text exceeds \string\textheight.^^J%
You probably should reconsider the parameters in \string\Place.^^J%
However, if you are sure of what you have done, you can go on.^^J%
Luck!}}
\newcommand{\sec@nderror}{\PackageError{parrun}{%
Warning: the box still contains some text}
{Your text is not well balanced. Probably you'll get a bad ^^J%
output. You should reconsider your document's layout.^^J%
You will find at the end of the log file some useful^^J%
length for dealing with.}
}
\endinput
%%
%% End of file `parrun.sty'.
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