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% ========================================================================
%
% Copyright (c) 2006 The University of Washington
%
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3
% of this license or (at your option) any later version.
% The latest version of this license is in
% http://www.latex-project.org/lppl.txt
% and version 1.3 or later is part of all distributions of LaTeX
% version 2005/12/01 or later.
%
% This work has the LPPL maintenance status `maintained'.
%
% The Current Maintainer of this work is Jim Fox, fox@washington.edu
%
% ========================================================================
%
%
% double-page float package
%
% Jim Fox
% fox@washington.edu
% http://staff.washington.edu/fox/
%
%
% Version history
%
% 2006/10/05: fix footer placement (suggestion by Mark Henning (mh@homolog.de)
% 1997/09/21: original
\ProvidesPackage{dpfloat}[2006/10/05]
\NeedsTeXFormat{LaTeX2e}
% This package allows you to format a double-page figure or table
%
% It provides two environments:
%
% {fullpage} makes a full page figure or table
% {leftfullpage} like fullpage, but guarantees a left side page
%
% Example use:
%
% -------------------------------------------------------
% \begin{figure}[p]% will be the left-side figure
% \begin{leftfullpage}
% ...
% \end{leftfullpage}
% \end{figure}
% \begin{figure}[p]% will be the right-side figure
% \begin{fullpage}
% ...
% \end{fullpage}
% \end{figure}
% -------------------------------------------------------
%
%
% LaTeX's output routine is modified to reject left-page floats
% if they appear on odd pages (right page). These will then
% be moved to the next page (a left page).
%
% This is obviously dependent upon specific details of the
% output routine which are probably subject to change without notice.
%
\newif\if@LP \@LPfalse
% For each float we define a macro indicating whether or not
% it is 'left-page' only
\newbox\@@wholepage
\def\fullpage{\setbox\@@wholepage=\vbox\bgroup}
\def\endfullpage{\egroup\dp\@@wholepage\z@
\vbox to\textheight{\vss\unvbox\@@wholepage\vss}}
\def\leftfullpage{\setbox\@@wholepage=\vbox\bgroup}
\def\endleftfullpage{\egroup\dp\@@wholepage\z@
\vbox to\textheight{\vss\unvbox\@@wholepage\vss}\global\@LPtrue}
\let\oldend@float\end@float
\def\end@float{%
\if@LP\global\@namedef{LP:\expandafter\string\@currbox}{L}%
\else \global\@namedef{LP:\expandafter\string\@currbox}{X}%
\fi
\global\@LPfalse
\oldend@float
}
% Reject a left-page float that appears on an even page
\if@twoside
% reject a left-side float that appears on an odd page
\let\old@xtryfc\@xtryfc
\def\@xtryfc #1{%
\expandafter\if\csname LP:\string#1\endcsname L%
\ifodd\count0\global\@fpmin\maxdimen
\typeout{dpfloat moved a leftpage float from page \the\count0.}%
\fi\fi
\old@xtryfc #1}
\else
% if you want to do something special for one-sided printing
% do it here
\fi
% assure that any remaining floats are printed
\def\@dpf@mtlist{}
\AtEndDocument{\ifx\@deferlist\@dpf@mtlist\else\ifodd\count0\else\typeout{dpfloat added a blank page}\clearpage\ \clearpage\fi\fi}
% end of dpfloat
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