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-% eclbip.sty (C) Hideki ISOZAKI Nov. 24, 1990
-% \ignorespaces Dec.2, 1990
-% draw a bipartite graph with epic.sty
-
-\typeout{ECL Bipartite graph style file by isozaki Dec.2, 1990}
-
-\endlinechar=-1\relax
-\makeatletter
-
-\newdimen\bip@len
-\newbox\bip@box
-
-% #1...Width of Left Node Group
-% #2...Width of Gap between Left Node Group and Right Node Group
-% #3...Width of Right Node Group
-% #4...Height of Vertical Gap between Nodes
-% #5...Width of a Bullet and its Label
-
-\def\bipartite#1#2#3#4#5{
- \bip@init\bip@sep{#4}
- \bip@init\bip@lW{#1}
- \bip@init\bip@eW{#2}
- \bip@init\bip@rW{#3}
- \let\bip@lX=\bip@lW
- \bip@init\bip@rX{\bip@lX\p@}\bip@add\bip@rX{#2}
- \bip@init\bip@tX{\bip@rX\p@}\bip@add\bip@tX{#3}
- \bip@init\bip@lY{\z@}
- \bip@init\bip@rY{\z@}
- \xdef\bip@bot{0.0}
- \bip@init\bip@elX{\bip@lX\p@}
- \bip@add\bip@elX{#5}
- \bip@init\bip@erX{\bip@rX\p@}
- \bip@add\bip@erX{-#5}
- \unitlength=\p@
- \def\endbipartite{\endpicture
- \hbox{\vrule\@depth\bip@bot\p@\@height\z@\@width\z@}}
- \picture(\bip@tX,0)(0,0)\ignorespaces}
-
-%
-% \leftnode[#1]{#2}
-% #1=label, #2=content
-%
-% \leftnode{#1}=\leftnode[#1]{#1}
-%
-
-\def\leftnode{\@dblarg{\@leftnode}}
-
-\def\@leftnode[#1]#2{
- \setbox\bip@box=\hbox to \z@{\hss
- \@iparbox[c]{\bip@lW\p@}{\raggedleft #2}}
- \bip@init\bip@halfH{-.5\ht\bip@box}
- \bip@add\bip@halfH{-.5\dp\bip@box}
- \bip@init\bip@corrY{\bip@halfH\p@}
- \bip@add\bip@corrY{\dp\bip@box}
- \bip@add\bip@lY{\bip@halfH\p@}
- \put(\bip@lX,\bip@lY){\raise\bip@corrY\p@\box\bip@box}
- \put(\bip@elX,\bip@lY){\makebox(0,0){$\bullet$}}
- \expandafter\edef\csname bip@L#1\endcsname{\bip@lY}
- \bip@add\bip@lY{\bip@halfH\p@}
- \bip@max\bip@bot{-\bip@lY\p@}
- \bip@add\bip@lY{-\bip@sep\p@}\ignorespaces}
-
-\def\rightnode{\@dblarg{\@rightnode}}
-
-\def\@rightnode[#1]#2{
- \setbox\bip@box=\hbox to \z@{
- \@iparbox[c]{\bip@rW\p@}{\raggedright #2}\hss}
- \bip@init\bip@halfH{-.5\ht\bip@box}
- \bip@add\bip@halfH{-.5\dp\bip@box}
- \bip@init\bip@corrY{\bip@halfH\p@}
- \bip@add\bip@corrY{\dp\bip@box}
- \bip@add\bip@rY{\bip@halfH\p@}
- \put(\bip@rX,\bip@rY){\raise\bip@corrY\p@\box\bip@box}
- \put(\bip@erX,\bip@rY){\makebox(0,0){$\bullet$}}
- \expandafter\edef\csname bip@R#1\endcsname{\bip@rY}
- \bip@add\bip@rY{\bip@halfH\p@}
- \bip@max\bip@bot{-\bip@rY\p@}
- \bip@add\bip@rY{-\bip@sep\p@}\ignorespaces}
-
-%
-% Draw Edges between Nodes
-%
-
-\def\brush#1{\def\bip@brush{#1}\ignorespaces}
-\brush{\drawline}
-
-\def\match#1#2{
- \bip@brush(\bip@elX,\@nameuse{bip@L#1})(\bip@erX,\@nameuse{bip@R#2})
- \ignorespaces}
-
-%
-% (1) Avoidance of too much use of dimen.
-% (2) Easy conversion between picture coord and real dimen
-% ---> Keep dimen without 'pt'
-%
-
-\def\bip@init#1#2{\bip@len=#2\relax
- \edef#1{\expandafter\@RemoveDim\the\bip@len}}
-
-\def\bip@add#1#2{\bip@len=#1\p@\relax\advance\bip@len by #2\relax
- \edef#1{\expandafter\@RemoveDim\the\bip@len}}
-
-\def\bip@max#1#2{\bip@len=#1\p@\relax
- \ifdim\bip@len<#2\relax\bip@len=#2
- \xdef#1{\expandafter\@RemoveDim\the\bip@len}\fi}
-
-{\catcode`\p=12 \catcode`\t=12
-\gdef\@RemoveDim#1pt{#1}}
-
-\endlinechar=13\relax
-
-\endinput