balance.sty

%%
%% This is file `balance.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% balance.dtx  (with options: `package')
%% =============================================
%% IMPORTANT NOTICE:
%% 
%% This program can be redistributed and/or modified under the terms
%% of the LaTeX Project Public License Distributed from CTAN
%% archives in directory macros/latex/base/lppl.txt; either
%% version 1 of the License, or any later version.
%% 
%% This is a generated file.
%% It may not be distributed without the original source file balance.dtx.
%% 
%% Full documentation can be obtained by LaTeXing that original file.
%% Only a few abbreviated comments remain here to describe the usage.
%% =============================================
%% Copyright 1993-1999 Patrick W Daly
%% Max-Planck-Institut f\"ur Aeronomie
%% Max-Planck-Str. 2
%% D-37191 Katlenburg-Lindau
%% Germany
%% E-mail: daly@linmpi.mpg.de
\NeedsTeXFormat{LaTeX2e}[1994/06/01]
\ProvidesPackage{balance}
         [1999/02/23 4.3 (PWD)]
 % In order to balance the columns on a page, \balance must be given
 % somewhere within the first column. To turn off the feature, give
 % \nobalance. One has to look at the unbalanced text first to decide
 % where best to place \balance.
 %-----------------------------------------------------------
\newcommand{\@BAlancecol}{\if@twocolumn
  \setbox0=\vbox{\unvbox\@outputbox} \@tempdima=\ht0
  \advance\@tempdima by \topskip \advance\@tempdima
     by -\baselineskip \divide\@tempdima by 2
     \splittopskip=\topskip
  {\vbadness=\@M \loop \global\setbox3=\copy0
   \global\setbox1=\vsplit3 to \@tempdima
   \ifdim\ht3>\@tempdima \global\advance\@tempdima by 1pt \repeat}
   \setbox\@leftcolumn=\vbox to \@tempdima{\unvbox1\vfil}
   \setbox\@outputbox=\vbox to \@tempdima
     {\dimen2=\dp3\unvbox3\kern-\dimen2
      \vfil}
  \fi}
\newif\if@BAlanceone
\global\@BAlanceonefalse
\newdimen\oldvsize
\newcommand{\@BAdblcol}{\if@firstcolumn
       \unvbox\@outputbox \penalty\outputpenalty
       \global\oldvsize=\@colht \global\multiply \@colht by 2
       \global\@BAlanceonetrue
       \global\@firstcolumnfalse
  \else \global\@firstcolumntrue
       \if@BAlanceone
       \global\@BAlanceonefalse\@BAlancecol
       \global\@colht=\oldvsize \else
       \PackageWarningNoLine{balance}
          {You have called \protect\balance\space
             in second column\MessageBreak
           Columns might not be balanced}\fi
     \setbox\@outputbox\vbox to \@colht{\hbox to\textwidth
     {\hbox to\columnwidth {\box\@leftcolumn \hss}\hfil
      \vrule width\columnseprule\hfil \hbox to\columnwidth
      {\box\@outputbox \hss}}\vfil}\@combinedblfloats
     \@outputpage \begingroup \@dblfloatplacement
     \@startdblcolumn \@whilesw\if@fcolmade \fi
     {\@outputpage\@startdblcolumn}\endgroup
  \fi}
\newcommand{\@BAcleardblpage}{\clearpage\if@twoside \ifodd\c@page\else
  \hbox{}\newpage\fi\fi}
\newcommand{\@@cleardblpage}{}
\let\@@cleardblpage=\cleardoublepage

\newcommand{\@@utputdblcol}{}
\let\@@utputdblcol=\@outputdblcol
\newcommand{\balance}{\global\let\@outputdblcol=\@BAdblcol
  \global\let\cleardoublepage=\@BAcleardblpage}
\newcommand{\nobalance}{\global\let\@outputdblcol=\@@utputdblcol
  \global\let\cleardoublepage=\@@cleardblpage}
%% 
%% <<<<< End of generated file <<<<<<
%%
%% End of file `balance.sty'.