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%% bondgraph_arrow.tex
%% Copyright (c) 2010, Jean-Francois Dupuis
%
% 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 Jean-Francois Dupuis.
%
% This work consists of the files bondgraph.sty, bondgraph_arrows.tex
% and bondgraph_example.tex.
\pgfarrowsdeclare{left to}{left to}
{
\pgfutil@tempdima=-0.84pt%
\advance\pgfutil@tempdima by-1.3\pgflinewidth%
\pgfutil@tempdimb=0.21pt%
\advance\pgfutil@tempdimb by.625\pgflinewidth%
\pgfarrowsleftextend{+\pgfutil@tempdima}
\pgfarrowsrightextend{+\pgfutil@tempdimb}
}
{
\pgfutil@tempdima=0.28pt%
\advance\pgfutil@tempdima by.3\pgflinewidth%
\pgfsetlinewidth{0.8\pgflinewidth}
\pgfsetdash{}{+0pt}
\pgfsetroundcap
\pgfsetroundjoin
\pgfpathmoveto{\pgfqpoint{-3\pgfutil@tempdima}{4\pgfutil@tempdima}}
\pgfpathcurveto
{\pgfqpoint{-2.75\pgfutil@tempdima}{2.5\pgfutil@tempdima}}
{\pgfqpoint{0pt}{0.25\pgfutil@tempdima}}
{\pgfqpoint{0.75\pgfutil@tempdima}{0pt}}
\pgfpathcurveto
{\pgfqpoint{0.55\pgfutil@tempdima}{-0.125\pgflinewidth}}
{\pgfqpoint{0.5\pgfutil@tempdima}{-0.125\pgflinewidth}}
{\pgfqpoint{0.5\pgfutil@tempdima}{-0.125\pgflinewidth}}
\pgfpathlineto{\pgfqpoint{0pt}{-0.125\pgflinewidth}}
\pgfusepathqstroke
}
\pgfarrowsdeclare{|}{|}
{
\pgfarrowsleftextend{+-0.25\pgflinewidth}
\pgfarrowsrightextend{+.75\pgflinewidth}
}
{
\pgfutil@tempdima=2pt%
\advance\pgfutil@tempdima by1.5\pgflinewidth%
\pgfsetdash{}{+0pt}
\pgfsetrectcap
\pgfpathmoveto{\pgfqpoint{0.25\pgflinewidth}{-\pgfutil@tempdima}}
\pgfpathlineto{\pgfqpoint{0.25\pgflinewidth}{\pgfutil@tempdima}}
\pgfusepathqstroke
}
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