tueda/ axodraw2e.md

## axodraw2e.md

      
    Raw
  

               axodraw2e.md
            
          
    axodraw2e

A practical extension of axodraw2.
Example

  
## .gitignore
.dep/
*.ax1
*.ax2
*.aux
*.bbl
*.blg
*.dvi
*.fls
*.log
*.nav
*.out
*.pdf
*.ps
*.snm
*.tar.gz
*.toc
*.vrb

## axodraw2e.sty
% latest-raw-url: https://gist.githubusercontent.com/tueda/5d8a7ff9181ef630160703606f449597/raw/axodraw2e.sty
%
% Copyright (c) 2017-2019 Takahiro Ueda
%
% This file may be distributed and/or modified under the conditions of
% the LaTeX Project Public License (LPPL), either version 1.3c 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
%
\ProvidesPackage{axodraw2e}[2019/09/06 v0.1.2]

\RequirePackage{axodraw2}[2016/06/02]
\RequirePackage[nomessages]{fp}

\SetWidth{.75}
\SetArrowScale{1.0}

% workaround for luatexja
% =======================
% luatexja overwrites \raise and it leads to a subtle difference for
% \raise 0pt\relax\hbox {}...
\long\gdef\putLen(#1,#2)#3{%
  % Like LaTeX's \put, except that #1 and #2 are lengths instead of numbers
  % giving lengths in units of \unitlength.
  \AXO@killglue\raise#2%\relax
  \hbox to 0pt{\kern#1\relax #3\hss}%
  \ignorespaces
}

%{{{ globals

\newtoks\axoe@args

\def\axoe@addtoks#1#2{%
  #1=\expandafter{\the#1#2}%
}

%}}}
%{{{ additional parameters

% axopicture

\def\AXO@CurrentBaseLine{}%
\define@key{axo}{baseline}{%
  \def\AXO@CurrentBaseLine{#1}%
}

\def\AXO@CurrentMarginTop{0}%
\define@key{axo}{margin-top}{%
  \def\AXO@CurrentMarginTop{#1}%
}

\def\AXO@CurrentMarginRight{0}%
\define@key{axo}{margin-right}{%
  \def\AXO@CurrentMarginRight{#1}%
}

\def\AXO@CurrentMarginBottom{0}%
\define@key{axo}{margin-bottom}{%
  \def\AXO@CurrentMarginBottom{#1}%
}

\def\AXO@CurrentMarginLeft{0}%
\define@key{axo}{margin-left}{%
  \def\AXO@CurrentMarginLeft{#1}%
}

\define@key{axo}{margin}{%
  \def\AXO@CurrentMarginTop{#1}%
  \def\AXO@CurrentMarginRight{#1}%
  \def\AXO@CurrentMarginBottom{#1}%
  \def\AXO@CurrentMarginLeft{#1}%
}

% bend

\def\AXO@CurrentBendRight{0}%
\define@key{axo}{bend-right}[45]{%
  \def\AXO@CurrentBendRight{#1}%
}
\define@key{axo}{bend-left}[45]{%
  \FPeval\AXO@CurrentBendRight{(-1)*(#1)}%
}

% fillcolor

\def\AXO@CurrentFillColor{}%
\define@key{axo}{fillcolor}{%
  \def\AXO@CurrentFillColor{#1}%
}

% wiggly

\newif\ifAXO@wiggly
\AXO@wigglyfalse
\define@key{axo}{wiggly}[true]{%
  \AXO@boolkey{#1}{wiggly}%
}

\def\AXO@CurrentWigglyAmplitude{1.5}%
\define@key{axo}{wiggly-amplitude}{%
  \def\AXO@CurrentWigglyAmplitude{#1}%
}

\def\AXO@CurrentWigglyLength{8}%
\define@key{axo}{wiggly-length}{%
  \def\AXO@CurrentWigglyLength{#1}%
}

% curly

\newif\ifAXO@curly
\AXO@curlyfalse
\define@key{axo}{curly}[true]{%
  \AXO@boolkey{#1}{curly}%
}

\def\AXO@CurrentCurlyAmplitude{2.5}%
\define@key{axo}{curly-amplitude}{%
  \def\AXO@CurrentCurlyAmplitude{#1}%
}

\def\AXO@CurrentCurlyLength{6}%
\define@key{axo}{curly-length}{%
  \def\AXO@CurrentCurlyLength{#1}%
}

% dot

\def\AXO@CurrentDotSize{1.5}%
\define@key{axo}{dot-size}{%
  \def\AXO@CurrentDotSize{#1}%
}

% cross

\newif\ifAXO@cross
\AXO@crossfalse
\define@key{axo}{cross}[true]{%
  \AXO@boolkey{#1}{cross}%
}

\def\AXO@CurrentCrossSize{3.5}%
\define@key{axo}{cross-size}{%
  \def\AXO@CurrentCrossSize{#1}%
}

% otimes

\newif\ifAXO@otimes
\AXO@otimesfalse
\define@key{axo}{otimes}[true]{%
  \AXO@boolkey{#1}{otimes}%
}

\def\AXO@CurrentOtimesSize{3.5}%
\define@key{axo}{otimes-size}{%
  \def\AXO@CurrentOtimesSize{#1}%
}

% text

\def\AXO@CurrentTextAlign{}%
\define@key{axo}{l}[true]{%
  \def\AXO@CurrentTextAlign{l}%
}
\define@key{axo}{lt}[true]{%
  \def\AXO@CurrentTextAlign{lt}%
}
\define@key{axo}{tl}[true]{%
  \def\AXO@CurrentTextAlign{tl}%
}
\define@key{axo}{lb}[true]{%
  \def\AXO@CurrentTextAlign{lb}%
}
\define@key{axo}{bl}[true]{%
  \def\AXO@CurrentTextAlign{bl}%
}
\define@key{axo}{r}[true]{%
  \def\AXO@CurrentTextAlign{r}%
}
\define@key{axo}{rt}[true]{%
  \def\AXO@CurrentTextAlign{rt}%
}
\define@key{axo}{tr}[true]{%
  \def\AXO@CurrentTextAlign{tr}%
}
\define@key{axo}{rb}[true]{%
  \def\AXO@CurrentTextAlign{rb}%
}
\define@key{axo}{br}[true]{%
  \def\AXO@CurrentTextAlign{br}%
}
\define@key{axo}{t}[true]{%
  \def\AXO@CurrentTextAlign{t}%
}
\define@key{axo}{b}[true]{%
  \def\AXO@CurrentTextAlign{b}%
}

%}}}
%{{{ axopicture environment

% \begin{axopicture}[options](width,height)(offset-x,offset-y)
% \end{axopicture}

\newcounter{axoe@npics}
\setcounter{axoe@npics}{0}

\newsavebox{\axoe@picbox}

\newif\if@axoe@invalid
\@axoe@invalidfalse

\def\axoe@boundempty{1}
\def\axoe@boundtop{0}
\def\axoe@boundright{0}
\def\axoe@boundbottom{0}
\def\axoe@boundleft{0}

\let\old@axopicture\axopicture
\let\old@endaxopicture\endaxopicture

\def\axopicture{%
  \stepcounter{axoe@npics}%
  \gdef\axoe@boundempty{1}%
  \gdef\axoe@boundtop{0}%
  \gdef\axoe@boundright{0}%
  \gdef\axoe@boundbottom{0}%
  \gdef\axoe@boundleft{0}%
  \let\scope\axoe@scope
  \let\endscope\axoe@endscope
  \@ifnextchar({%
    \axoe@picture@
  }{%
    \edef\@tempa{\axoe@loadpicsize}%
    \expandafter\axoe@picture@@\@tempa
  }%
}
\def\axoe@picture@(#1,#2){%
  \@ifnextchar({%
    \axoe@picture@@(#1,#2)%
  }{%
    \axoe@picture@@(#1,#2)(0,0)%
  }%
}
\def\axoe@picture@@(#1,#2)(#3,#4){%
  \@ifnextchar[{%
    \axoe@picture@@@(#1,#2)(#3,#4)%
  }{%
    \axoe@picture@@@(#1,#2)(#3,#4)[]%
  }%
}
\def\axoe@picture@@@(#1,#2)(#3,#4)[#5]{%
  % TODO: Options like [color=red] don't work.
  \setkeys{axo}{#5}%
  \begin{lrbox}{\axoe@picbox}%
  \old@axopicture(#1,#2)(#3,#4)%
  \scope
}
\def\endaxopicture{%
  \endscope
  \old@endaxopicture
  \end{lrbox}%
  \axoe@savepicinfo
  \raisebox{\axoe@loadpicraise}{\usebox{\axoe@picbox}}%
  \ignorespacesafterend
}

\def\axoe@loadpicsize{%
  \@ifundefined{axoe@savedsize@\arabic{axoe@npics}}{%
    (0,0)(0,0)%
  }{%
    \@nameuse{axoe@savedsize@\arabic{axoe@npics}}%
  }%
}

\def\axoe@loadpicraise{%
  \@ifundefined{axoe@savedraise@\arabic{axoe@npics}}{%
    \z@
  }{%
    \@nameuse{axoe@savedraise@\arabic{axoe@npics}}%
  }%
}

\def\axoe@savepicinfo{%
  % XXX: assume the unit length = 1pt.
  \FPeval\axoe@t{(\axoe@boundtop)+(\AXO@CurrentMarginTop)}%
  \FPeval\axoe@r{(\axoe@boundright)+(\AXO@CurrentMarginRight)}%
  \FPeval\axoe@b{(\axoe@boundbottom)-(\AXO@CurrentMarginBottom)}%
  \FPeval\axoe@l{(\axoe@boundleft)-(\AXO@CurrentMarginLeft)}%
  \FPeval\axoe@w{(\axoe@r)-(\axoe@l)}%
  \FPeval\axoe@h{(\axoe@t)-(\axoe@b)}%
  \edef\@tempa{(\axoe@w,\axoe@h)(\axoe@l,\axoe@b)}%
  \edef\@tempb{\axoe@loadpicsize}%
  \ifx\@tempa\@tempb
  \else
    \global\@axoe@invalidtrue
  \fi
  \immediate\write\@auxout{%
    \string\global\string\@namedef{axoe@savedsize@\arabic{axoe@npics}}{\@tempa}%
  }%
  \ifx\AXO@CurrentBaseLine\empty
  \else
    \@tempdima=\AXO@CurrentBaseLine
    \edef\@tempa{\strip@pt\@tempdima}%
    \FPeval\axoe@b{(\axoe@b)-(\@tempa)}%
    \edef\@tempa{\axoe@b\p@}%
    \edef\@tempb{\axoe@loadpicraise}%
    \ifx\@tempa\@tempb
    \else
      \global\@axoe@invalidtrue
    \fi
    \immediate\write\@auxout{%
      \string\global\string\@namedef{axoe@savedraise@\arabic{axoe@npics}}%
        {\@tempa}%
    }%
  \fi
}

\def\axoe@point(#1,#2){%
  % TODO: linewidth, arrowwidth, etc.
  \ifnum\axoe@boundempty=1%
    \xdef\axoe@boundempty{0}%
    \xdef\axoe@boundtop{#2}%
    \xdef\axoe@boundright{#1}%
    \xdef\axoe@boundbottom{#2}%
    \xdef\axoe@boundleft{#1}%
  \else
    \axoe@point@(#1,#2)%
  \fi
}
\def\axoe@point@(#1,#2){%
  \FPifgt{#2}{\axoe@boundtop}%
    \xdef\axoe@boundtop{#2}%
  \fi
  \FPifgt{#1}{\axoe@boundright}%
    \xdef\axoe@boundright{#1}%
  \fi
  \FPiflt{#2}{\axoe@boundbottom}%
    \xdef\axoe@boundbottom{#2}%
  \fi
  \FPiflt{#1}{\axoe@boundleft}%
    \xdef\axoe@boundleft{#1}%
  \fi
}

\AtEndDocument{%
  \if@axoe@invalid
    \if@filesw
      \PackageWarningNoLine{axodraw2e}{Boundary box may have changed.
        \MessageBreak Rerun to get it correct}%
    \else
      \PackageWarningNoLine{axodraw2e}{Boundary box may be wrong}%
    \fi
  \fi
}

%}}}
%{{{ scope environment

% \begin{scope}
% \end{scope}

\def\axoe@scope{%
  \ifcase\axo@pdfoutput
    \special{ps: gsave}%
  \else
    \special{pdf: q}%
  \fi
  \ignorespaces
}

\def\axoe@endscope{%
  \ifcase\axo@pdfoutput
    \special{ps: grestore}%
  \else
    \special{pdf: Q}%
  \fi
  \ignorespaces
}

%}}}
%{{{ \axo

% \axo[options] command...;

\newcommand{\axo}{}
\def\axo{%
  \@ifnextchar[{%
    \axo@%
  }{%
    \axo@[]%
  }%
}
\def\axo@[#1]#2;{%
  \begin{axopicture}[#1]%
    #2%
  \end{axopicture}%
  \ignorespaces
}

%}}}
%{{{ \Line

% \Line[options](x1,y1)(x2,y2)...

\def\axoe@Line{%
  \@ifnextchar[{%
    \axoe@Line@%
  }{%
    \axoe@Line@[]%
  }%
}
\def\axoe@Line@[#1](#2,#3)(#4,#5){%
  \edef\axoe@opts{#1}%
  \axoe@args={(#2,#3)(#4,#5)}%
  \@ifnextchar({%
    \axoe@Line@@
  }{%
    \axoe@Line@@@
  }%
}
\def\axoe@Line@@(#1,#2){%
  \axoe@addtoks\axoe@args{(#1,#2)}%
  \@ifnextchar({%
    \axoe@Line@@
  }{%
    \axoe@Line@@@
  }%
}
\def\axoe@Line@@@{%
  \bgroup
    \edef\@tempa{{axo}{\axoe@opts}}%
    \expandafter\setkeys\@tempa
    \expandafter\axoe@Line@@@@\the\axoe@args
  \egroup
}
\def\axoe@Line@@@@(#1,#2){%
  \axoe@point(#1,#2)% TODO: width and amplitude
  \edef\axoe@x{#1}%
  \edef\axoe@y{#2}%
  \@ifnextchar({%
    \axoe@Line@@@@@
  }{}%
}
\def\axoe@Line@@@@@(#1,#2){%
  \ifdim\AXO@CurrentBendRight\p@=\z@
    \axoe@Line@@@@@@(\axoe@x,\axoe@y)(#1,#2)%
  \else
    \axoe@Line@Bend(\axoe@x,\axoe@y)(#1,#2)(\AXO@CurrentBendRight)%
  \fi
  \edef\axoe@x{#1}%
  \edef\axoe@y{#2}%
  \@ifnextchar({%
    \axoe@Line@@@@@
  }{}%
}
\def\axoe@Line@@@@@@(#1,#2)(#3,#4){%
  \axoe@point(#3,#4)%  XXX: width and amplitude
  % XXX: line-join is miserable.
  \ifAXO@wiggly
    \axoe@Line@length\@tempa(#1,#2)(#3,#4)%
    \FPeval\axoe@n{\@tempa/\AXO@CurrentWigglyLength}%
    \FPround\axoe@n{\axoe@n}{5}%
    \FPclip\axoe@n{\axoe@n}%
    \def\@tempa{\Photon}%
    \edef\@tempb{[\axoe@opts](#1,#2)(#3,#4)%
      {\AXO@CurrentWigglyAmplitude}{\axoe@n}}%
  \else\ifAXO@curly
    \axoe@Line@length\@tempa(#1,#2)(#3,#4)%
    \FPeval\axoe@n{\@tempa/\AXO@CurrentCurlyLength}%
    \FPround\axoe@n{\axoe@n}{5}%
    \FPclip\axoe@n{\axoe@n}%
    \def\@tempa{\Gluon}%
    \edef\@tempb{[\axoe@opts](#1,#2)(#3,#4)%
      {\AXO@CurrentCurlyAmplitude}{\axoe@n}}%
  \else
    \def\@tempa{\old@Line}%
    \edef\@tempb{[\axoe@opts](#1,#2)(#3,#4)}%
  \fi\fi
  \expandafter\@tempa\@tempb%
}
\def\axoe@Line@Bend(#1,#2)(#3,#4)(#5){%
  \FPeval\@temps{(-1)*cot((#5)*\FPdeg/2)}%
  \FPeval\@tempss{(\@temps)*(\@temps)}%
  \FPeval\@tempdx{(#3)-(#1)}%
  \FPeval\@tempdy{(#4)-(#2)}%
  \FPeval\@tempa{((#1)+(#3))/2 - (1-\@tempss) * \@tempdy / 4 / (\@temps)}%
  \FPeval\@tempb{((#2)+(#4))/2 + (1-\@tempss) * \@tempdx / 4 / (\@temps)}%
  \FPeval\@templ{(\@tempdx)*(\@tempdx)+(\@tempdy)*(\@tempdy)}%
  \FProot\@templ\@templ{2}%
  \FPeval\@tempr{(1+\@tempss) * \@templ / 4 / abs(\@temps)}%
  \FPeval\@tempdx{(#1)-\@tempa}%
  \FPeval\@tempdy{(#2)-\@tempb}%
  \FPatantwo\@temptha\@tempdy\@tempdx
  \FPdiv\@temptha\@temptha\FPdeg
  \FPeval\@tempdx{(#3)-\@tempa}%
  \FPeval\@tempdy{(#4)-\@tempb}%
  \FPatantwo\@tempthb\@tempdy\@tempdx
  \FPdiv\@tempthb\@tempthb\FPdeg
%
  \FPifpos{#5}%
    \AXO@clockfalse
    % XXX: no way to set "anticlockwise"
  \else
    \AXO@clocktrue
    \edef\axoe@opts{\axoe@opts,clock}%
  \fi
%
  \edef\@tempa{(\@tempa,\@tempb)(\@tempr,\@temptha,\@tempthb)}%
  \expandafter\axoe@Arc@@@@@\@tempa
}

\let\old@Line=\Line
\let\Line=\axoe@Line

\def\axoe@Line@length#1(#2,#3)(#4,#5){%
  \FPeval\@tempa{(#2-(#4))*(#2-(#4))+(#3-(#5))*(#3-(#5))}%
  \FProot#1\@tempa{2}%
}

%}}}
%{{{ \Arc

% \Arc[options](center-x,center-y)(radius,theta1,theta2)...

\def\axoe@Arc{%
  \@ifnextchar[{%
    \axoe@Arc@%
  }{%
    \axoe@Arc@[]%
  }%
}
\def\axoe@Arc@[#1](#2,#3)(#4,#5,#6){%
  \edef\axoe@opts{#1}%
  \edef\axoe@x{#2}%
  \edef\axoe@y{#3}%
  \axoe@args={(#4,#5,#6)}%
  \@ifnextchar({%
    \axoe@Arc@@
  }{%
    \axoe@Arc@@@
  }%
}
\def\axoe@Arc@@(#1,#2,#3){%
  \axoe@addtoks\axoe@args{(#1,#2,#3)}%
  \@ifnextchar({%
    \axoe@Arc@@
  }{%
    \axoe@Arc@@@
  }%
}
\def\axoe@Arc@@@{%
  \bgroup
    \edef\@tempa{{axo}{\axoe@opts}}%
    \expandafter\setkeys\@tempa
    \expandafter\axoe@Arc@@@@\the\axoe@args
  \egroup
}
\def\axoe@Arc@@@@(#1,#2,#3){%
  \axoe@Arc@@@@@(\axoe@x,\axoe@y)(#1,#2,#3)%
  \@ifnextchar({%
    \axoe@Arc@@@@
  }{}%
}
\def\axoe@Arc@@@@@(#1,#2)(#3,#4,#5){%
  % This correction is needed for the linear interpolation along the arc.
  \edef\@tempshift{}%
  \FPsub\@tempa{#5}{#4}%
  \ifAXO@clock
    \FPneg\@tempa\@tempa
  \fi
  \FPifneg\@tempa
    % XXX: 360 could be not enough.
    \edef\@tempshift{360}%
  \fi
  \edef\@tempa{#4}%
  \ifx\@tempshift\empty
  \else
    \ifAXO@clock
      \FPadd\@tempa\@tempa\@tempshift
    \else
      \FPsub\@tempa\@tempa\@tempshift
    \fi
  \fi
  %
  \edef\@tempa{(#1,#2)(#3,\@tempa,#5)}%
  \expandafter\axoe@Arc@@@@@@\@tempa
}
\def\axoe@Arc@@@@@@(#1,#2)(#3,#4,#5){%
% TODO: width and amplitude
  \FPeval\@tempa{(#4) * \FPdeg}%
  \FPsincos\@tempb\@tempa\@tempa
  \FPeval\@tempa{(#1) + \@tempa * (#3)}%
  \FPeval\@tempb{(#2) + \@tempb * (#3)}%
  \axoe@point(\@tempa,\@tempb)%
%
  \FPeval\@tempa{(3 * (#4) + (#5)) / 4 * \FPdeg}%
  \FPsincos\@tempb\@tempa\@tempa
  \FPeval\@tempa{(#1) + \@tempa * (#3)}%
  \FPeval\@tempb{(#2) + \@tempb * (#3)}%
  \axoe@point(\@tempa,\@tempb)%
%
  \FPeval\@tempa{(#4 + (#5)) / 2 * \FPdeg}%
  \FPsincos\@tempb\@tempa\@tempa
  \FPeval\@tempa{(#1) + \@tempa * (#3)}%
  \FPeval\@tempb{(#2) + \@tempb * (#3)}%
  \axoe@point(\@tempa,\@tempb)%
%
  \FPeval\@tempa{(#4 + 3 * (#5)) / 4 * \FPdeg}%
  \FPsincos\@tempb\@tempa\@tempa
  \FPeval\@tempa{(#1) + \@tempa * (#3)}%
  \FPeval\@tempb{(#2) + \@tempb * (#3)}%
  \axoe@point(\@tempa,\@tempb)%
%
  \FPeval\@tempa{(#5) * \FPdeg}%
  \FPsincos\@tempb\@tempa\@tempa
  \FPeval\@tempa{(#1) + \@tempa * (#3)}%
  \FPeval\@tempb{(#2) + \@tempb * (#3)}%
  \axoe@point(\@tempa,\@tempb)%
%
  \ifAXO@wiggly
    \axoe@Arc@length\@tempa(#3,#4,#5)%
    \FPeval\axoe@n{\@tempa / \AXO@CurrentWigglyLength}%
    \FPround\axoe@n{\axoe@n}{5}%
    \FPclip\axoe@n{\axoe@n}%
    \def\@tempa{\PhotonArc}%
    \edef\@tempb{[\axoe@opts](#1,#2)(#3,#4,#5)%
      {\AXO@CurrentWigglyAmplitude}{\axoe@n}}%
  \else\ifAXO@curly
    \axoe@Arc@length\@tempa(#3,#4,#5)%
    \FPeval\axoe@n{\@tempa / \AXO@CurrentCurlyLength}%
    \FPround\axoe@n{\axoe@n}{5}%
    \FPclip\axoe@n{\axoe@n}%
    \def\@tempa{\GluonArc}%
    \edef\@tempb{[\axoe@opts](#1,#2)(#3,#4,#5)%
      {\AXO@CurrentCurlyAmplitude}{\axoe@n}}%
  \else
    \def\@tempa{\old@Arc}%
    \edef\@tempb{[\axoe@opts](#1,#2)(#3,#4,#5)}%
  \fi\fi
  \expandafter\@tempa\@tempb%
}

\let\old@Arc=\Arc
\let\Arc=\axoe@Arc

\def\axoe@Arc@length#1(#2,#3,#4){%
  \FPsub\@tempa{#4}{#3}%
  \ifAXO@clock
    \FPneg\@tempa\@tempa
  \fi
  \FPifneg\@tempa
    % XXX: 360 could be not enough.
    \FPadd\@tempa\@tempa{360}%
  \fi
  \FPeval#1{\@tempa * \FPdeg * abs(#2)}%
}

%}}}
%{{{ \Vertex

% \Vertex[options](x1,y1)...{size}

\def\axoe@Vertex{%
  \@ifnextchar[{%
    \axoe@Vertex@%
  }{%
    \axoe@Vertex@[]%
  }%
}
\def\axoe@Vertex@[#1](#2,#3){%
  \edef\axoe@opts{#1}%
  \axoe@args={(#2,#3)}%
  \@ifnextchar({%
    \axoe@Vertex@@
  }{%
    \axoe@Vertex@@@
  }%
}
\def\axoe@Vertex@@(#1,#2){%
  \axoe@addtoks\axoe@args{(#1,#2)}%
  \@ifnextchar({%
    \axoe@Vertex@@
  }{%
    \axoe@Vertex@@@
  }%
}
\def\axoe@Vertex@@@{%
  % NOTE: the braces is mandatory for the size parameter.
  \@ifnextchar\bgroup{%
    \axoe@Vertex@@@@
  }{%
    \axoe@Vertex@@@@{}%
  }%
}

\def\axoe@Vertex@@@@#1{%
  \bgroup
    \edef\axoe@size{#1}%
    \edef\@tempa{{axo}{\axoe@opts}}%
    \expandafter\setkeys\@tempa
    \AXO@useopts
    \expandafter\axoe@Vertex@@@@@\the\axoe@args
  \egroup
  \ignorespaces
}
\def\axoe@Vertex@@@@@(#1,#2){%
  \axoe@point(#1,#2)% TODO: vertex size
  \ifAXO@cross
    \ifx\axoe@size\empty
      \axoe@Vertex@cross(#1,#2){\AXO@CurrentCrossSize}%
    \else
      \axoe@Vertex@cross(#1,#2){\axoe@size}%
    \fi
  \else\ifAXO@otimes
    \ifx\axoe@size\empty
      \axoe@Vertex@otimes(#1,#2){\AXO@CurrentOtimesSize}%
    \else
      \axoe@Vertex@otimes(#1,#2){\axoe@size}%
    \fi
  \else
    \ifx\axoe@size\empty
      \old@Vertex(#1,#2){\AXO@CurrentDotSize}%
    \else
      \old@Vertex(#1,#2){\axoe@size}%
    \fi
  \fi\fi
  \@ifnextchar({%
    \axoe@Vertex@@@@@
  }{}%
}

\let\old@Vertex=\Vertex
\let\Vertex=\axoe@Vertex

\def\axoe@Vertex@cross(#1,#2)#3{%
  \put(#1,#2){%
    {%
      \FProot\@tempa{2}{2}%
      \FPdiv\@tempa{#3}\@tempa
      {%
        \edef\@tempa{(-\@tempa,-\@tempa)(\@tempa,\@tempa)}%
        \expandafter\old@Line\@tempa
      }%
      {%
        \edef\@tempa{(\@tempa,-\@tempa)(-\@tempa,\@tempa)}%
        \expandafter\old@Line\@tempa
      }%
    }%
  }%
}


\def\axoe@Vertex@otimes(#1,#2)#3{%
  \ifx\AXO@CurrentFillColor\empty\else
    {%
      \SetColor{\AXO@CurrentFillColor}%
      \old@Vertex(#1,#2){#3}%
    }%
  \fi
  \axoe@Vertex@cross(#1,#2){#3}%
  \put(#1,#2){\ECirc(0,0){#3}}%
}

%}}}
%{{{ \Text

% \Text[options](x1,y1)...[options-compat]{text}

% TODO: the rotation parameter.

\def\axoe@Text{%
  \@ifnextchar[{%
    \axoe@Text@%
  }{%
    \axoe@Text@[]%
  }%
}
\def\axoe@Text@[#1](#2,#3){%
  \edef\axoe@opts{#1}%
  \axoe@args={(#2,#3)}%
  \@ifnextchar({%
    \axoe@Text@@
  }{%
    \axoe@Text@@@
  }%
}
\def\axoe@Text@@(#1,#2){%
  \axoe@addtoks\axoe@args{(#1,#2)}%
  \@ifnextchar({%
    \axoe@Text@@
  }{%
    \axoe@Text@@@
  }%
}
\def\axoe@Text@@@{%
  \@ifnextchar[{%
    \axoe@Text@@@@
  }{%
    \axoe@Text@@@@[]%
  }%
}
\def\axoe@Text@@@@[#1]#2{%
  \bgroup
    \edef\axoe@opts{\axoe@opts,#1}%
    \def\axoe@text{#2}%
    \edef\@tempa{{axo}{\axoe@opts}}%
    \expandafter\setkeys\@tempa
    \AXO@useopts
    \expandafter\axoe@Text@@@@@\the\axoe@args
  \egroup
  \ignorespaces
}
\def\axoe@Text@@@@@(#1,#2){%
  \axoe@point(#1,#2)% TODO: text box size
  \edef\@tempa{(#1,#2)[\AXO@CurrentTextAlign]}%
  \expandafter\old@Text\@tempa{\axoe@text}%
  \@ifnextchar({%
    \axoe@Text@@@@@
  }{}%
}

\let\old@Text=\Text
\let\Text=\axoe@Text

%}}}
%{{{ \SetClip

% \SetClip(x1,y1)(x2,y2),(x3,y3)...

\newcommand{\SetClip}{%
  \axoe@SetClipPolygon
}

\def\axoe@SetClipPolygon(#1,#2){%
  \ifcase\axo@pdfoutput
    \axoe@args={ newpath #1 #2 moveto}%
  \else
    \axoe@args={ #1 #2 m}%
  \fi
  \@ifnextchar({%
    \axoe@SetClipPolygon@
  }{%
    \axoe@SetClipPolygon@@
  }%
}

\def\axoe@SetClipPolygon@(#1,#2){%
  \ifcase\axo@pdfoutput
    \axoe@addtoks\axoe@args{ #1 #2 lineto}%
  \else
    \axoe@addtoks\axoe@args{ #1 #2 l}%
  \fi
  \@ifnextchar({%
    \axoe@SetClipPolygon@
  }{%
    \axoe@SetClipPolygon@@
  }%
}

\def\axoe@SetClipPolygon@@{%
  \edef\@tempa{\the\axoe@args}%
  \ifcase\axo@pdfoutput
    \edef\axoe@clip{\@tempa \space closepath clip}%
  \else
    \special{pdf: \@tempa \space h W n}%
  \fi
  \ignorespaces
}

\def\AXOspecial#1{%
  \special{ps:: SDict begin savecolor end }%
  \special{" \axoe@clip \space restorecolor #1 }%
}

\def\axoe@clip{}

%}}}
%{{{ \FPdeg

% \FPdeg := pi / 180

\newcommand{\FPdeg}{}
\FPdiv\FPdeg\FPpi{180}

%}}}
%{{{ \FPatantwo

% \FPatantwo{dest}{y}{x}
% -pi < atan2(y,x) <= pi

\newcommand{\FPatantwo}[3]{%
  % NOTE: \FPifXXX doesn't work in nested constructs with "else".
  \edef\atan@tempa{}%
  \FPifneg{#2}%
    \edef\atan@tempa{\atan@tempa a}%
  \fi
  \FPifzero{#2}%
    \edef\atan@tempa{\atan@tempa b}%
  \fi
  \FPifneg{#3}%
    \edef\atan@tempa{\atan@tempa c}%
  \fi
  \FPifzero{#3}%
    \edef\atan@tempa{\atan@tempa d}%
  \fi
  \@nameuse{FPatantwo@\atan@tempa}#1{#2}{#3}%
}
\newcommand{\FPatantwo@}[3]{%
  % x > 0
  \FPdiv\atan@tempa{#2}{#3}%
  \FParctan#1\atan@tempa
}
\let\FPatantwo@a\FPatantwo@
\let\FPatantwo@b\FPatantwo@
\newcommand{\FPatantwo@c}[3]{%
  % y > 0
  \FPdiv\atan@tempa{#3}{#2}%
  \FParctan\atan@tempa\atan@tempa
  \FPneg\atan@tempa\atan@tempa
  \FPdiv\atan@tempb\FPpi{2}%
  \FPadd#1\atan@tempa\atan@tempb
}
\let\FPatantwo@d\FPatantwo@c
\newcommand{\FPatantwo@ac}[3]{%
  % y < 0
  \FPdiv\atan@tempa{#3}{#2}%
  \FParctan\atan@tempa\atan@tempa
  \FPdiv\atan@tempb\FPpi{2}%
  \FPadd\atan@tempa\atan@tempa\atan@tempb
  \FPneg#1\atan@tempa
}
\let\FPatantwo@ad\FPatantwo@ac
\newcommand{\FPatantwo@bc}[3]{%
  % x < 0, y = 0
  \FPset#1\FPpi
}
\newcommand{\FPatantwo@bd}[3]{%
  % x = y = 0
  \FPset#1{0}%  undefined
}

%}}}

## example.pdf

      
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## example.tex
\documentclass{ltxdoc}

\title{The \pkg{axodraw2e} package}
\author{}
\date{}

%{{{ Setup

\usepackage{axodraw2e}
\usepackage{fancyvrb}

\newcounter{ExampleCount}

\newenvironment{example}{%
  \VerbatimEnvironment
  \stepcounter{ExampleCount}%
  \edef\examplefilename{\jobname.\arabic{ExampleCount}.vrb}
  \begin{VerbatimOut}[gobble=2]{\examplefilename}%
}{%
  \end{VerbatimOut}%
  \smallskip
  \noindent
  \begin{list}{}{}\item
    \begin{minipage}[t]{0.95\linewidth}%
      \VerbatimInput{\examplefilename}%
    \end{minipage} \\[20pt]
    \begin{minipage}[t]{0.95\linewidth}%
      \input{\examplefilename}%
    \end{minipage}%
  \end{list}%
  \smallskip
  \noindent
}

% decl from ltxguide[2001/05/28]
\newenvironment{decl}[1][]%
    {\par\small\addvspace{4.5ex plus 1ex}%
     \vskip -\parskip
     \ifx\relax#1\relax
        \def\@decl@date{}%
     \else
        \def\@decl@date{\NEWfeature{#1}}%
     \fi
     \noindent\hspace{-\leftmargini}%
     \begin{tabular}{|l|}\hline\ignorespaces}%
    {\\\hline\end{tabular}\nobreak\@decl@date\par\nobreak
\vspace{2.3ex}\vskip -\parskip}

\providecommand\env[1]{\texttt{#1}}
\providecommand\pkg[1]{\textsf{#1}}

\makeatletter
\newcommand{\nameuse}[1]{%
  \edef\@tempa{\@nameuse{#1}}%
  \ifx\@tempa\empty
    \meta{empty}%
  \else
    \@tempa
  \fi
}
\makeatother

%}}} Setup

\begin{document}

\maketitle

\section{axopicture}

\begin{decl}
  |\begin{axopicture}|\oarg{options} \\
    \meta{commands} \\
  |\end{axopicture}| \\
  \\
  |\begin{axopicture}|\oarg{options}(\meta{width},\meta{height}) \\
    \meta{commands} \\
  |\end{axopicture}| \\
  \\
  |\begin{axopicture}|\oarg{options}(\meta{width},\meta{height})%
      (\meta{offset-x},\meta{offset-y}) \\
    \meta{commands} \\
  |\end{axopicture}| \\
  \\
  |\axo|\oarg{option} \meta{commands} ;
\end{decl}

\begin{tabular}{llc}
  \hline
  option         & type   & default value \\
  \hline
  |baseline|      & length & \nameuse{AXO@CurrentBaseLine} \\
  |margin-top|    & number & \nameuse{AXO@CurrentMarginTop} \\
  |margin-right|  & number & \nameuse{AXO@CurrentMarginRight} \\
  |margin-bottom| & number & \nameuse{AXO@CurrentMarginBottom} \\
  |margin-left|   & number & \nameuse{AXO@CurrentMarginLeft} \\
  \hline
\end{tabular}

\begin{example}
  Here are examples:
  \axo \Line[arrow](0,-10)(20,10);
  \axo[baseline=0pt] \Line[arrow](0,-10)(20,10);
  \axo[baseline=10pt] \Line[arrow](0,-10)(20,10);
\end{example}

\section{Line}

\begin{decl}
  |\Line|\oarg{options}(\meta{x1},\meta{y1})(\meta{x2},\meta{y2})\ldots
\end{decl}

\begin{tabular}{llc}
  \hline
  option             & type   & default value \\
  \hline
  |bend-right|       & number & 0 (=45) \\
  |bend-left|        & number & 0 (=45) \\
  |wiggly|           &        & \\
  |wiggly-amplitude| & number & \nameuse{AXO@CurrentWigglyAmplitude} \\
  |wiggly-length|    & number & \nameuse{AXO@CurrentWigglyLength} \\
  |curly|            &        & \\
  |curly-amplitude|  & number & \nameuse{AXO@CurrentCurlyAmplitude} \\
  |curly-length|     & number & \nameuse{AXO@CurrentCurlyLength} \\
  \hline
\end{tabular}

\begin{example}
  \begin{axopicture}
    \Line(0,0)(100,0)
    \Line[arrow](0,-20)(100,-20)
    \Line[dash](0,-40)(100,-40)
    \Line[wiggly](0,-60)(100,-60)
    \Line[curly](0,-80)(100,-80)
  \end{axopicture}
\end{example}

\begin{example}
  \begin{axopicture}
    \Line[arrow](0,0)(100,50)
    \Line[arrow,bend-right,color=red](0,0)(100,50)
    \Line[arrow,bend-left=45,color=green](0,0)(100,50)
    \Line[arrow,bend-left=90,color=blue](0,0)(100,50)
  \end{axopicture}
\end{example}

\section{Arc}

\begin{decl}
  |\Arc|\oarg{options}(\meta{center-x},\meta{center-y})%
    (\meta{radius},\meta{theta1},\meta{theta2})\ldots
\end{decl}

\begin{example}
  \begin{axopicture}
    \Arc(0,0)(50,0,90)
    \Arc[arrow](40,0)(50,0,90)
    \Arc[dash](80,0)(50,0,90)
    \Arc[wiggly](120,0)(50,0,90)
    \Arc[curly](160,0)(50,0,90)
  \end{axopicture}
\end{example}

\section{Vertex}

\begin{decl}
  |\Vertex|\oarg{options}(\meta{x1},\meta{y1})\dots \\
  |\Vertex|\oarg{options}(\meta{x1},\meta{y1})\dots \marg{size}
\end{decl}

\begin{tabular}{llc}
  \hline
  option        & type   & default value \\
  \hline
  |color|       & color  & \meta{empty} \\
  |dot-size|    & number & \nameuse{AXO@CurrentDotSize} \\
  |cross|       &        & \\
  |cross-size|  & number & \nameuse{AXO@CurrentCrossSize} \\
  |otimes|      &        & \\
  |otimes-size| & number & \nameuse{AXO@CurrentOtimesSize} \\
  |fillcolor|   & color  & \meta{empty} \\
  \hline
\end{tabular}

\begin{example}
  \begin{axopicture}
    \Vertex(0,0)
    \Vertex(50,0){5}
    \Vertex[cross](100,0)
    \Vertex[otimes](150,0)
  \end{axopicture}
\end{example}

\section{Text}

\begin{decl}
  |\Text|\oarg{options}(\meta{x},\meta{y})\marg{text}
\end{decl}

\begin{tabular}{llc}
  \hline
  option     & type   & default value \\
  \hline
  |color|    & color  & \meta{empty} \\
  \hline
\end{tabular}

\begin{example}
  \begin{axopicture}
    \Text[rt](-30,-30){rt}
    \Text[t](0,-30){t}
    \Text[lt](30,-30){lt}
    \Text[r](-30,0){r}
    \Text(0,0){c}
    \Text[l](30,0){l}
    \Text[rb](-30,30){rb}
    \Text[b](0,30){b}
    \Text[lb](30,30){lb}
    \Vertex(-30, 30)(0, 30)(30, 30)
           (-30,  0)(0,  0)(30,  0)
           (-30,-30)(0,-30)(30,-30)
  \end{axopicture}
\end{example}

\section{SetClip}

\begin{decl}
  |\SetClip|(\meta{x1},\meta{y1})(\meta{x2},\meta{y2})%
            (\meta{x3},\meta{y3})\ldots
\end{decl}

\begin{example}
  \begin{axopicture}
    \Line[curly](30,50)(0,-30)
    \begin{scope}
      \SetClip(0,0)(50,0)(50,20)(0,20)
      \Line[curly](40,50)(10,-30)
    \end{scope}
    \Line(0,0)(50,0)(50,20)(0,20)(0,0)
    \Line[curly](50,50)(20,-30)
  \end{axopicture}
\end{example}

\end{document}

## Makefile
# @file Makefile
#
# Makefile for typesetting LaTeX documents. Requires GNU Make 3.81 on Linux.
#
# Usage:
#   make              #   *.tex --(pdflatex)-->   *.pdf (by default)
#   make foo.dvi      # foo.tex --(latex)-----> foo.dvi
#   make foo.pdf      # foo.tex --(pdflatex)--> foo.pdf
#   make foo.ps       # foo.tex --(latex)-----> foo.dvi
#                               --(dvips)-----> foo.ps
#   make foo.eps      # foo.tex --(latex)-----> foo.dvi
#                               --(dvips,gs)--> foo.eps
#   make foo.tar.gz   # foo.tex --(pdflatex)--> foo.fls
#                               --(tar)-------> foo.tar.gz (for arXiv)
#   make dvi          # Create .dvi files.
#   make ps           # Create .ps files.
#   make eps          # Create .eps files.
#   make pdf          # Create .pdf files.
#   make dist         # Create .tar.gz files.
#   make clean        # Remove all generated files.
#   make mostlyclean  # Remove all intermediate files.
#   make watch        # Continuously update .pdf (by default) files.
#
# The following programs are called when needed in LaTeX typesetting:
#   bibtex, sortref, makeindex, makeglossaries and axohelp
#

# The default typeset type: dvi (latex) or pdf (pdflatex).
default_typeset = pdf

# The default target is making this type of files from all *.tex.
default_target = $(default_typeset)

# Specify if use colors for the output: always, none or auto (default).
make_colors = $(MAKE_COLORS)

# Files not to be included in a distribution.
NODISTFILES =

# Extra files to be included in a distribution.
EXTRADISTFILES =

# Files to be copied in "anc" directory in a distribution.
ANCILLARYFILES =

# Additional files to mostly-clean.
MOSTLYCLEANFILES =

# Additional files to clean.
CLEANFILES =

# Prerequisite make targets in subdirectories.
PREREQUISITE_SUBDIRS =

# Test scripts.
TESTS =

# The following variables will be guessed if empty.
TARGET =
SUBDIRS =
LATEX =
PDFLATEX =
DVIPS =
DVIPDF =
GS =
BIBTEX =
SORTREF =
MAKEINDEX =
MAKEGLOSSARIES =
KPSEWHICH =
AXOHELP =
PDFCROP =
EBB =
EXTRACTBB =
SOFFICE =

# Command options.
LATEX_OPT = -interaction=nonstopmode -halt-on-error
PDFLATEX_OPT = -interaction=nonstopmode -halt-on-error
DVIPS_OPT = -Ppdf -z
DVIPDF_OPT =
GS_OPT =
BIBTEX_OPT =
SORTREF_OPT =
MAKEINDEX_OPT =
MAKEGLOSSARIES_OPT =
KPSEWHICH_OPT =
AXOHELP_OPT =
PDFCROP_OPT =
EBB_OPT =
EXTRACTBB_OPT =
SOFFICE_OPT =

# The following lines enable use of platex.
#LATEX = platex
#PDFLATEX = ptex2pdf
#BIBTEX = pbibtex
#MAKEINDEX = mendex
#PDFLATEX_OPT = -l -ot '-interaction=nonstopmode -halt-on-error -recorder'

# The following lines enable use of uplatex.
#LATEX = uplatex
#PDFLATEX = ptex2pdf
#BIBTEX = upbibtex
#MAKEINDEX = upmendex
#PDFLATEX_OPT = -u -l -ot '-interaction=nonstopmode -halt-on-error -recorder'

# The following lines enable use of lualatex.
#LATEX = lualatex
#PDFLATEX = lualatex
#BIBTEX = upbibtex
#MAKEINDEX = upmendex

# ANSI escape code for colorization.
CL_NORMAL = [0m
CL_NOTICE = [32m
CL_WARN   = [35m
CL_ERROR  = [31m

.SUFFIXES:
.SUFFIXES: .log .pdf .odt .eps .ps .jpg .dvi .tex .cls .sty .fmt .ltx .dtx

DEPDIR = .dep

# $(call cache,VARIABLE) expands $(VARIABLE) with caching.
# See https://www.cmcrossroads.com/article/makefile-optimization-eval-and-macro-caching
cache = $(if $(is_cached-$1),,$(eval is_cached-$1 := 1)$(eval cached_val-$1 := $($1)))$(cached_val-$1)

# $(call type,EXEC-FILE) gives the path to the executable if found,
# otherwise empty.
type = $(if $(strip $1),$(strip \
	$(eval type_retval := $(shell which '$(strip $1)' 2>/dev/null)) \
	$(if $(filter-out $(firstword $(type_retval)),$(type_retval)), \
		$(eval type_retval := '$(type_retval)') \
	) \
	$(type_retval) \
))

# $(call pathsearch,PROG-NAME,NOERROR-IF-NOT-FOUND,NAME1,...) tries to find
# the given executable.
pathsearch = $(strip \
	$(eval retval := ) \
	$(call pathsearch_impl,$3,$4,$5,$6,$7,$8,$9) \
	$(if $2$(retval),,$(eval retval := \
		$(call error_message,$1 not found); \
		exit 1; :)) \
	$(retval) \
)

pathsearch_impl = \
	$(if $(retval),,$(eval retval := $(call type,$1))) \
	$(if $(retval),,$(if $(strip $2 $3 $4 $5 $6 $7 $8 $9),$(call pathsearch_impl,$2,$3,$4,$5,$6,$7,$8,$9)))

# $(target)
target = $(call cache,target_impl)

target_impl = $(strip \
	$(target_impl_from_ltx) \
	$(target_impl_from_tex) \
)

target_impl_from_ltx = $(srcltxfiles:.ltx=.fmt)

target_impl_from_tex = $(strip \
	$(eval retval := ) \
	$(if $(retval),,$(eval retval := $(TARGET))) \
	$(if $(retval),,$(eval retval := $(srctexfiles:.tex=.$(default_target)))) \
	$(retval) \
)

# $(target_basename)
target_basename = $(call cache,target_basename_impl)

target_basename_impl = $(basename $(target))

# $(srctexfiles)
srctexfiles = $(call cache,srctexfiles_impl)

srctexfiles_impl = $(strip $(sort \
	$(shell grep documentclass -l *.tex 2>/dev/null) \
	$(shell awk 'FNR==1{if ($$0~"%&") print FILENAME;}' *.tex 2>/dev/null) \
))

# $(srcltxfiles)
srcltxfiles = $(call cache,srcltxfiles_impl)

srcltxfiles_impl = $(wildcard *.ltx)

# $(srcdtxfiles)
srcdtxfiles = $(call cache,srcdtxfiles_impl)

srcdtxfiles_impl = $(wildcard *.dtx)

# $(subdirs)
subdirs = $(call cache,subdirs_impl)

subdirs_impl = $(strip \
	$(eval retval := ) \
	$(if $(retval),,$(eval retval := $(SUBDIRS))) \
	$(if $(retval),,$(eval retval := $(dir $(wildcard */Makefile)))) \
	$(retval) \
)

# $(latex)
latex = $(call cache,latex_impl)

latex_impl = $(strip \
	$(latex_noopt) $(LATEX_OPT) \
	$(if $(findstring -recorder,$(LATEX_OPT)),,-recorder) \
)

latex_noopt = $(call cache,latex_noopt_impl)

latex_noopt_impl = $(call pathsearch,latex,,$(LATEX),latex)

# $(pdflatex)

pdflatex = $(call cache,pdflatex_impl)

pdflatex_impl = $(strip \
	$(pdflatex_noopt) $(PDFLATEX_OPT) \
	$(if $(findstring -recorder,$(PDFLATEX_OPT)),,-recorder) \
)

pdflatex_noopt = $(call cache,pdflatex_noopt_impl)

pdflatex_noopt_impl = $(call pathsearch,pdflatex,,$(PDFLATEX),pdflatex)

# $(dvips)
dvips = $(call cache,dvips_impl) $(DVIPS_OPT)

dvips_impl = $(call pathsearch,dvips,,$(DVIPS),dvips,dvipsk)

# $(dvipdf)
dvipdf = $(call cache,dvipdf_impl) $(DVIPDF_OPT)

dvipdf_impl = $(call pathsearch,dvipdf,,$(DVIPDF),dvipdfm,dvipdfmx,dvipdf)

# $(gs)
gs = $(call cache,gs_impl) $(GS_OPT)

gs_impl = $(call pathsearch,gs,,$(GS),gs,gswin32,gswin64,gsos2)

# $(bibtex)
bibtex = $(call cache,bibtex_impl) $(BIBTEX_OPT)

bibtex_impl = $(call pathsearch,bibtex,,$(BIBTEX),bibtex)

# $(sortref)
sortref = $(call cache,sortref_impl) $(SORTREF_OPT)

sortref_impl = $(call pathsearch,sortref,,$(SORTREF),sortref)

# $(makeindex)
makeindex = $(call cache,makeindex_impl) $(MAKEINDEX_OPT)

makeindex_impl = $(call pathsearch,makeindex,,$(MAKEINDEX),makeindex)

# $(makeglossaries)
makeglossaries = $(call cache,makeglossaries_impl) $(MAKEGLOSSARIES_OPT)

makeglossaries_impl = $(call pathsearch,makeglossaries,,$(MAKEGLOSSARIES),makeglossaries)

# $(kpsewhich)
kpsewhich = $(call cache,kpsewhich_impl) $(KPSEWHICH_OPT)

kpsewhich_impl = $(call pathsearch,kpsewhich,,$(KPSEWHICH),kpsewhich)

# $(axohelp)
axohelp = $(call cache,axohelp_impl) $(AXOHELP_OPT)

axohelp_impl = $(call pathsearch,axohelp,,$(AXOHELP),axohelp)

# $(pdfcrop)
pdfcrop = $(call cache,pdfcrop_impl) $(PDFCROP_OPT)

pdfcrop_impl = $(call pathsearch,pdfcrop,,$(PDFCROP),pdfcrop)

# $(ebb)
ebb = $(call cache,ebb_impl) $(EBB_OPT)

ebb_impl = $(call pathsearch,ebb,,$(EBB),ebb)

# $(extractbb)
extractbb = $(call cache,extractbb_impl) $(EXTRACTBB_OPT)

extractbb_impl = $(call pathsearch,extractbb,,$(EXTRACTBB),extractbb)

# $(soffice)
soffice = $(call cache,soffice_impl) $(SOFFICE_OPT)

soffice_impl = $(call pathsearch,soffice,, \
	$(SOFFICE), \
	soffice, \
	/cygdrive/c/Program Files/LibreOffice 5/program/soffice, \
	/cygdrive/c/Program Files (x86)/LibreOffice 5/program/soffice, \
	/cygdrive/c/Program Files/LibreOffice 4/program/soffice, \
	/cygdrive/c/Program Files (x86)/LibreOffice 4/program/soffice \
)

# $(mostlycleanfiles)
mostlycleanfiles = $(call cache,mostlycleanfiles_impl)

mostlycleanfiles_impl = $(wildcard $(strip \
	$(srctexfiles:.tex=Notes.bib) \
	$(srctexfiles:.tex=.aux) \
	$(srctexfiles:.tex=.ax1) \
	$(srctexfiles:.tex=.ax2) \
	$(srctexfiles:.tex=.blg) \
	$(srctexfiles:.tex=.end) \
	$(srctexfiles:.tex=.fls) \
	$(srctexfiles:.tex=.glg) \
	$(srctexfiles:.tex=.glo) \
	$(srctexfiles:.tex=.idx) \
	$(srctexfiles:.tex=.ilg) \
	$(srctexfiles:.tex=.ist) \
	$(srctexfiles:.tex=.log) \
	$(srctexfiles:.tex=.lof) \
	$(srctexfiles:.tex=.lot) \
	$(srctexfiles:.tex=.nav) \
	$(srctexfiles:.tex=.out) \
	$(srctexfiles:.tex=.snm) \
	$(srctexfiles:.tex=.spl) \
	$(srctexfiles:.tex=.toc) \
	$(srctexfiles:.tex=.*.vrb) \
	$(srctexfiles:.tex=.xdy) \
	$(srcltxfiles:.ltx=.log) \
	$(MOSTLYCLEANFILES) \
))

# $(cleanfiles)
cleanfiles = $(call cache,cleanfiles_impl)

cleanfiles_impl = $(wildcard $(strip \
	$(srctexfiles:.tex=.tar.gz) \
	$(srctexfiles:.tex=.pdf) \
	$(srctexfiles:.tex=.ps) \
	$(srctexfiles:.tex=.eps) \
	$(srctexfiles:.tex=.dvi) \
	$(srctexfiles:.tex=.bbl) \
	$(srctexfiles:.tex=_ref.tex) \
	$(srctexfiles:.tex=.ind) \
	$(srctexfiles:.tex=.gls) \
	$(srcltxfiles:.ltx=.fmt) \
	$(srcdtxfiles:.dtx=.cls) \
	$(srcdtxfiles:.dtx=.sty) \
	$(CLEANFILES) \
	$(mostlycleanfiles) \
	*.bmc \
	*.pbm \
	*-eps-converted-to.pdf \
))

# $(call colorize,COMMAND-WITH-COLOR,COMMAND-WITHOUT-COLOR)
colorize = \
	if [ "$(make_colors)" = "always" ]; then \
		$1; \
	elif [ "$(make_colors)" = "none" ]; then \
		$2; \
	else \
		if [ -t 1 ]; then \
			$1; \
		else \
			$2; \
		fi; \
	fi

# $(call error_message,MESSAGE)
error_message = \
	$(call colorize, \
		printf "\033$(CL_ERROR)Error: $1\033$(CL_NORMAL)\n" >&2 \
	, \
		echo "Error: $1" >&2 \
	)

# $(call exec,COMMAND)
# $(call exec,COMMAND,false)
exec = \
	$(if $(and $(findstring not found,$1),$(findstring exit 1,$1)), \
		$1 \
	, \
		failed=false; \
		$(call colorize, \
			printf "\033$(CL_NOTICE)$1\033$(CL_NORMAL)\n"; \
			exec 3>&1; \
			pipe_status=`{ { $1 3>&- 4>&-; echo $$? 1>&4; } | \
					 $(colorize_output) >&3; } 4>&1`; \
			exec 3>&-; \
			[ "$$pipe_status" = 0 ] || failed=: \
		, \
			echo "$1"; \
			$1 || failed=: \
		) \
		$(if $2,,; $(check_failed)) \
	)

# $(check_failed)
check_failed = $$failed && { [ -n "$dont_delete_on_failure" ] || rm -f $@; exit 1; }; :

# $(colorize_output)
colorize_output = \
	sed 's/^\(!.*\)/\$\$\x1b$(CL_ERROR)\1\$\$\x1b$(CL_NORMAL)/; \
	     s/^\(LaTeX[^W]*Warning.*\|Package[^W]*Warning.*\|Class[^W]*Warning.*\|No pages of output.*\|Underfull.*\|Overfull.*\|Warning--.*\)/\$\$\x1b$(CL_WARN)\1\$\$\x1b$(CL_NORMAL)/'

# $(call cmpver,VER1,OP,VER2)
cmpver = { \
	cmpver_ver1_="$1"; \
	cmpver_ver2_="$3"; \
	$(call cmpver_fmt_,cmpver_ver1_); \
	$(call cmpver_fmt_,cmpver_ver2_); \
	$(if $(filter -eq,$2), \
		[ $$cmpver_ver1_ = $$cmpver_ver2_ ]; \
	, \
		$(if $(filter -ne,$2), \
			[ $$cmpver_ver1_ != $$cmpver_ver2_ ]; \
		, \
			cmpver_small_=`{ echo $$cmpver_ver1_; echo $$cmpver_ver2_; } | sort | head -1`; \
			$(if $(filter -le,$2),[ $$cmpver_small_ = $$cmpver_ver1_ ];) \
			$(if $(filter -lt,$2),[ $$cmpver_small_ = $$cmpver_ver1_ ] && [ $$cmpver_ver1_ != $$cmpver_ver2_ ];) \
			$(if $(filter -ge,$2),[ $$cmpver_small_ = $$cmpver_ver2_ ];) \
			$(if $(filter -gt,$2),[ $$cmpver_small_ = $$cmpver_ver2_ ] && [ $$cmpver_ver1_ != $$cmpver_ver2_ ];) \
		) \
	) \
	}

# $(call cmpver_fmt_,VAR)
cmpver_fmt_ = \
	$1=`expr "$$$1" : '[^0-9]*\([0-9][0-9]*\(\.[0-9][0-9]*\)*\)' | sed 's/\./ /g'`; \
	$1=`printf '%05d' $$$1`

##

all: $(target)

dvi: $(target_basename:=.dvi)

ps: $(target_basename:=.ps)

eps: $(target_basename:=.eps)

pdf: $(target_basename:=.pdf)

dist: $(target_basename:=.tar.gz)

ifneq ($(subdirs),)

$(target_basename:=.dvi) \
$(target_basename:=.ps) \
$(target_basename:=.eps) \
$(target_basename:=.pdf): | prerequisite

prerequisite:
	@for dir in $(subdirs); do \
		$(MAKE) -C $$dir $(PREREQUISITE_SUBDIRS); \
	done; :

endif

mostlyclean:
	@for dir in $(subdirs); do \
		$(MAKE) -C $$dir mostlyclean; \
	done; :
	@$(call exec,rm -f $(mostlycleanfiles))

clean:
	@for dir in $(subdirs); do \
		$(MAKE) -C $$dir clean; \
	done; :
	@$(call exec,rm -f $(cleanfiles))
	@$(call exec,rm -rf $(DEPDIR))

check:
	@for dir in $(subdirs); do \
		$(MAKE) -C $$dir check; \
	done
	@for test in $(TESTS); do \
		if [ -f "$$test" ]; then \
			$(call exec,./$$test); \
		else \
			$(call exec,$$test); \
		fi; \
	done

# The "watch" mode. Try .log instead of .pdf/.dvi files, otherwise make would
# continuously try to typeset for sources previously failed.
watch:
	@echo "Watching for $(srctexfiles:.tex=.$(default_target)). Press Ctrl+C to quit"
	@while :; do \
		$(MAKE) --silent $(srctexfiles:.tex=.log); \
		sleep 1; \
	done

.PHONY : all dvi ps eps pdf dist prerequisite mostlyclean clean check watch

# $(call typeset,LATEX-COMMAND)
# $(call typeset,LATEX-COMMAND,false)
typeset = \
	rmfile=$@; \
	$(if $2,rmfile=;dont_delete_on_failure=1;) \
	oldfile=$*.tmp$$$$.$$RANDOM$$RANDOM; \
	trap 'rm -f $$rmfile $$oldfile*' 0 1 2 3 15; \
	failed=false; \
	if [ -f '$@' ]; then \
		need_latex=$(if $(filter-out %.ref %.bib %.bst %.idx %.glo,$?),:,false); \
		need_bibtex=$(if $(filter %.bib %.bst,$?),:,false); \
		need_sortref=$(if $(filter %.ref,$?),:,false); \
		need_makeindex=$(if $(filter %.idx,$?),:,false); \
		need_makeglossaries=$(if $(filter %.glo,$?),:,false); \
		need_axohelp=$(if $(filter %.ax2,$?),:,false); \
		if $$need_sortref || $$need_bibtex; then \
			[ ! -f '$*.aux' ] && need_latex=:; \
		fi; \
	else \
		need_latex=:; \
		need_bibtex=false; \
		need_sortref=false; \
		need_makeindex=false; \
		need_makeglossaries=false; \
		need_axohelp=false; \
	fi; \
	$(call do_latex,$1,false); \
	if $$failed && $(check_noreffile); then \
		need_sortref=:; \
		failed=false; \
	else \
		$(check_failed); \
	fi; \
	for i in 1 2 3 4 5; do \
		$(do_bibtex); \
		$(do_sortref); \
		$(do_makeindex); \
		$(do_makeglossaries); \
		$(do_axohelp); \
		$(call do_latex,$1); \
	done; \
	touch $@; \
	rmfile=; \
	$(call flsdep,$@,$*.fls); \
	$(call blgdep,$@,$*.blg); \
	$(check_reffile) && $(call refdep,$@,$(<:.tex=.ref)); \
	:

# $(call do-backup,FILE,INDEX)
do_backup = \
	if [ -f '$1' ]; then \
		cp '$1' "$$oldfile"$2; \
	else \
		rm -f "$$oldfile"$2; \
		touch "$$oldfile"$2; \
	fi

# $(call check_modified,FILE,INDEX)
check_modified = \
	if diff -q "$$oldfile"$2 '$1' >/dev/null 2>&1; then false; else :; fi

# $(call do-latex,LATEX-COMMAND)
# $(call do-latex,LATEX-COMMAND,false)
do_latex = \
	if $$need_latex; then \
		need_latex=false; \
		$(call do_backup,$*.aux); \
		$(call do_backup,$*.idx,2); \
		$(call do_backup,$*.glo,3); \
		$(call do_backup,$*.ax1,4); \
		$(call exec,$1 $<,$2); \
		if $(call check_modified,$*.aux); then \
			$(check_bblfile) && need_bibtex=:; \
			$(check_reffile) && need_sortref=:; \
			$(check_glsfile) && need_makeglossaries=:; \
		fi; \
		if $(call check_modified,$*.idx,2); then \
			$(check_indfile) && need_makeindex=:; \
		fi; \
		if $(call check_modified,$*.glo,3); then \
			$(check_glsfile) && need_makeglossaries=:; \
		fi; \
		if $(call check_modified,$*.ax1,4); then \
			$(check_ax2file) && need_axohelp=:; \
		fi; \
		$(check_rerun) && need_latex=:; \
	fi

# $(do_bibtex)
do_bibtex = \
	if $$need_bibtex; then \
		need_bibtex=false; \
		$(call do_backup,$*.bbl); \
		$(call exec,$(bibtex) $(<:.tex=)); \
		$(call check_modified,$*.bbl) && need_latex=:; \
	fi

# $(do_sortref)
do_sortref = \
	if $$need_sortref; then \
		need_sortref=false; \
		$(call do_backup,$*_ref.tex); \
		$(call exec,$(sortref) $< $(<:.tex=.ref)); \
		$(call check_modified,$*_ref.tex) && need_latex=:; \
	fi

# $(do_makeindex)
do_makeindex = \
	if $$need_makeindex; then \
		need_makeindex=false; \
		$(call do_backup,$*.ind); \
		$(call exec,$(makeindex) $(<:.tex=)); \
		$(call check_modified,$*.ind) && need_latex=:; \
	fi

# $(do_makeglossaries)
do_makeglossaries = \
	if $$need_makeglossaries; then \
		need_makeglossaries=false; \
		$(call do_backup,$*.gls); \
		$(call exec,$(makeglossaries) $(<:.tex=)); \
		$(call check_modified,$*.gls) && need_latex=:; \
	fi

# $(do_axohelp)
do_axohelp = \
	if $$need_axohelp; then \
		need_axohelp=false; \
		$(call do_backup,$*.ax2); \
		$(call exec,$(axohelp) $(<:.tex=)); \
		$(call check_modified,$*.ax2) && need_latex=:; \
	fi

# $(call do_kpsewhich,FULLPATH-DEST-VAR,FILE)
do_kpsewhich = \
	fullpath_kpsewhich_impl=`$(kpsewhich) "$2"`; \
	if [ -z "$$fullpath_kpsewhich_impl" ]; then \
		$(call error_message,$2 not found); \
		exit 1; \
	fi; \
	$1=$$fullpath_kpsewhich_impl

# $(call flsdep,TARGET,FLS-FILE)
flsdep = \
	if [ -f '$2' ]; then \
		mkdir -p $(DEPDIR); \
		{ \
			for f in `grep INPUT '$2' | sed 's/INPUT *\(\.\/\)\?//' | sort | uniq`; do \
				case $$f in \
					*:*|/*) ;; \
					*) [ -f "$$f" ] && echo "$1 : \$$(wildcard $$f)";; \
				esac; \
			done; \
		} >$(DEPDIR)/$1.fls.d; \
	fi

# $(call blgdep,TARGET,BLG-FILE)
blgdep = \
	if [ -f '$2' ]; then \
		mkdir -p $(DEPDIR); \
		{ \
			for f in `{ grep 'Database file [^:]*:' '$2'; grep 'The style file:' '$2'; } | sed 's/[^:]*://'`; do \
				[ -f "$$f" ] && echo "$1 : \$$(wildcard $$f)"; \
			done; \
		} >$(DEPDIR)/$1.blg.d; \
	fi

# $(call refdep,TARGET,REF-FILE)
refdep = \
	if [ -f '$2' ]; then \
		mkdir -p $(DEPDIR); \
		echo '$1: $2' >$(DEPDIR)/$1.ref.d; \
	fi

check_noreffile = grep "File \`$*_ref.tex' not found" $*.log >/dev/null 2>&1

check_bblfile = grep '$*.bbl' $*.log >/dev/null 2>&1

check_reffile = grep '$*_ref.tex' $*.log >/dev/null 2>&1

check_indfile = grep '$*.ind' $*.log >/dev/null 2>&1

check_glsfile = grep '$*.gls' $*.log >/dev/null 2>&1

# axodraw2.sty uses primitive control sequences for reading .ax2 file, instead
# of \input, without writing any jobname.ax2 in the log file. So we look for
# jobname.ax1; if it is found in the log file, it means axodraw2.sty tries to
# read jobname.ax2.
check_ax2file = grep '$*.ax1' $*.log >/dev/null 2>&1

check_rerun = grep 'Rerun' $*.log | grep -v 'Package: rerunfilecheck' >/dev/null 2>&1

.tex.dvi:
	@$(call typeset,$(latex))

.tex.pdf:
	@$(call typeset,$(pdflatex))

.tex.log:
	@$(call typeset,$(if $(filter $(default_target),dvi),$(latex),$(pdflatex)),false)

.dvi.ps:
	@$(call exec,$(dvips) $<)

#.dvi.pdf:
#	@$(call exec,$(dvipdf) $<)

.dvi.eps:
	@trap 'rm -f $*.tmp.ps $*.tmp.pdf' 0 1 2 3 15; \
	$(call exec,$(dvips) -o $*.tmp.ps $<); \
	$(call exec,$(gs) -sDEVICE=pdfwrite -dPDFSETTINGS=/prepress -dEPSCrop -o $*.tmp.pdf $*.tmp.ps); \
	if $(call cmpver,`$(gs) --version`,-lt,9.15); then \
		$(call exec,$(gs) -sDEVICE=epswrite -o $@ $*.tmp.pdf); \
	else \
		$(call exec,$(gs) -sDEVICE=eps2write -o $@ $*.tmp.pdf); \
	fi

# Experimental: only for pdflatex
.ltx.fmt:
	@$(call exec,$(pdflatex_noopt) -ini -jobname='$*' '&$(notdir $(basename $(pdflatex_noopt))) $<\dump')
	@$(call exec,rm -f $*.pdf)

.dtx.cls:
	@$(call exec,$(latex_noopt) $(basename $<).ins)

.dtx.sty:
	@$(call exec,$(latex_noopt) $(basename $<).ins)

.odt.pdf:
	@$(call exec,$(soffice) --headless --nologo --nofirststartwizard --convert-to pdf $<)

# A distribution (for arXiv) needs to include
# 1. The main tex file.
# 2. Files that the main tex file depends on, except
#    - files with absolute paths, which are considered as system files,
#    - files created by LaTeX during typesetting, e.g., *.aux files,
#    - *.ax2 file unless "\pdfoutput=1" is explicitly used.
#    This default behaviour may be overwritten by EXTRADISTFILES and
#    NODISTFILES.
# 3. 00README.XXX file if exists, and
#    - Files listed in 00README.XXX with "ignore".
#    See https://arxiv.org/help/00README
# 4. Files listed in ANCILLARYFILES are included under a subdirectory "anc".
#    See https://arxiv.org/help/ancillary_files
%.tar.gz: %.$(default_target)
	@tmpdir=tmp$$$$_$$RANDOM$$RANDOM; \
	mkdir $$tmpdir || exit 1; \
	trap 'rm -rf $$tmpdir' 0 1 2 3 15; \
	pdfoutput=false; \
	if head -5 "$*.tex" | sed 's/%.*//' | grep -q '\pdfoutput=1'; then \
		pdfoutput=:; \
	fi; \
	if [ ! -f '$*.fls' ]; then \
		$(call error_message,$*.fls not found. Delete $*.$(default_target) and then retry); \
		exit 1; \
	fi; \
	dep_files=; \
	for f in `grep INPUT '$*.fls' | sed 's/INPUT *\(\.\/\)\?//' | sed '/^kpsewhich/d' | sort | uniq`; do \
		case $$f in \
			*:*|/*|*.aux|*.lof|*.lot|*.nav|*.out|*.spl|*.toc|*.vrb|*-eps-converted-to.pdf) ;; \
			*) \
				case $$f in \
					*.ax2) \
						$$pdfoutput || continue; \
						;; \
				esac; \
				ok=:; \
				for ff in $(NODISTFILES); do \
					if [ "x$$f" = "x$$ff" ]; then \
						ok=false; \
						break; \
					fi; \
				done; \
				if $$ok; then \
					d=`dirname "$$f"`; \
					mkdir -p "$$tmpdir/$$d"; \
					cp "$$f" "$$tmpdir/$$d" || exit 1; \
					dep_files="$$dep_files $$f"; \
				fi;; \
		esac; \
	done; \
	for ff in $(EXTRADISTFILES); do \
		$(call do_kpsewhich,f,$$ff); \
		cp "$$f" "$$tmpdir/" || exit 1; \
		dep_files="$$dep_files $$f"; \
	done; \
	if [ -f 00README.XXX ]; then \
		cp "00README.XXX" "$$tmpdir/" || exit 1; \
		dep_files="$$dep_files 00README.XXX"; \
		for f in `grep ignore 00README.XXX | sed 's/ *ignore *$$//'`; do \
			cp --parents "$$f" "$$tmpdir/" || rsync -R "$$f" "$$tmpdir" || exit 1; \
			dep_files="$$dep_files $$f"; \
		done; \
	fi; \
	for f in $(ANCILLARYFILES); do \
		[ -d "$$tmpdir/anc" ] || mkdir "$$tmpdir/anc"; \
		cp "$$f" "$$tmpdir/anc/" || exit 1; \
		dep_files="$$dep_files $$f"; \
	done; \
	mkdir -p $(DEPDIR); \
	{ \
		for f in $$dep_files; do \
			echo "$@ : \$$(wildcard $$f)"; \
		done; \
	} >$(DEPDIR)/$@.d; \
	cd $$tmpdir || exit 1; \
	$(call exec,tar cfv - * | gzip -9 -n >$@,false); \
	cd .. || exit 1; \
	$(check_failed); \
	mv $$tmpdir/$@ $@

-include $(DEPDIR)/*.d
	.dep/
	*.ax1
	*.ax2
	*.aux
	*.bbl
	*.blg
	*.dvi
	*.fls
	*.log
	*.nav
	*.out
	*.pdf
	*.ps
	*.snm
	*.tar.gz
	*.toc
	*.vrb
	% latest-raw-url: https://gist.githubusercontent.com/tueda/5d8a7ff9181ef630160703606f449597/raw/axodraw2e.sty
	%
	% Copyright (c) 2017-2019 Takahiro Ueda
	%
	% This file may be distributed and/or modified under the conditions of
	% the LaTeX Project Public License (LPPL), either version 1.3c 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
	%
	\ProvidesPackage{axodraw2e}[2019/09/06 v0.1.2]

	\RequirePackage{axodraw2}[2016/06/02]
	\RequirePackage[nomessages]{fp}

	\SetWidth{.75}
	\SetArrowScale{1.0}

	% workaround for luatexja
	% =======================
	% luatexja overwrites \raise and it leads to a subtle difference for
	% \raise 0pt\relax\hbox {}...
	\long\gdef\putLen(#1,#2)#3{%
	% Like LaTeX's \put, except that #1 and #2 are lengths instead of numbers
	% giving lengths in units of \unitlength.
	\AXO@killglue\raise#2%\relax
	\hbox to 0pt{\kern#1\relax #3\hss}%
	\ignorespaces
	}

	%{{{ globals

	\newtoks\axoe@args

	\def\axoe@addtoks#1#2{%
	#1=\expandafter{\the#1#2}%
	}

	%}}}
	%{{{ additional parameters

	% axopicture

	\def\AXO@CurrentBaseLine{}%
	\define@key{axo}{baseline}{%
	\def\AXO@CurrentBaseLine{#1}%
	}

	\def\AXO@CurrentMarginTop{0}%
	\define@key{axo}{margin-top}{%
	\def\AXO@CurrentMarginTop{#1}%
	}

	\def\AXO@CurrentMarginRight{0}%
	\define@key{axo}{margin-right}{%
	\def\AXO@CurrentMarginRight{#1}%
	}

	\def\AXO@CurrentMarginBottom{0}%
	\define@key{axo}{margin-bottom}{%
	\def\AXO@CurrentMarginBottom{#1}%
	}

	\def\AXO@CurrentMarginLeft{0}%
	\define@key{axo}{margin-left}{%
	\def\AXO@CurrentMarginLeft{#1}%
	}

	\define@key{axo}{margin}{%
	\def\AXO@CurrentMarginTop{#1}%
	\def\AXO@CurrentMarginRight{#1}%
	\def\AXO@CurrentMarginBottom{#1}%
	\def\AXO@CurrentMarginLeft{#1}%
	}

	% bend

	\def\AXO@CurrentBendRight{0}%
	\define@key{axo}{bend-right}[45]{%
	\def\AXO@CurrentBendRight{#1}%
	}
	\define@key{axo}{bend-left}[45]{%
	\FPeval\AXO@CurrentBendRight{(-1)*(#1)}%
	}

	% fillcolor

	\def\AXO@CurrentFillColor{}%
	\define@key{axo}{fillcolor}{%
	\def\AXO@CurrentFillColor{#1}%
	}

	% wiggly

	\newif\ifAXO@wiggly
	\AXO@wigglyfalse
	\define@key{axo}{wiggly}[true]{%
	\AXO@boolkey{#1}{wiggly}%
	}

	\def\AXO@CurrentWigglyAmplitude{1.5}%
	\define@key{axo}{wiggly-amplitude}{%
	\def\AXO@CurrentWigglyAmplitude{#1}%
	}

	\def\AXO@CurrentWigglyLength{8}%
	\define@key{axo}{wiggly-length}{%
	\def\AXO@CurrentWigglyLength{#1}%
	}

	% curly

	\newif\ifAXO@curly
	\AXO@curlyfalse
	\define@key{axo}{curly}[true]{%
	\AXO@boolkey{#1}{curly}%
	}

	\def\AXO@CurrentCurlyAmplitude{2.5}%
	\define@key{axo}{curly-amplitude}{%
	\def\AXO@CurrentCurlyAmplitude{#1}%
	}

	\def\AXO@CurrentCurlyLength{6}%
	\define@key{axo}{curly-length}{%
	\def\AXO@CurrentCurlyLength{#1}%
	}

	% dot

	\def\AXO@CurrentDotSize{1.5}%
	\define@key{axo}{dot-size}{%
	\def\AXO@CurrentDotSize{#1}%
	}

	% cross

	\newif\ifAXO@cross
	\AXO@crossfalse
	\define@key{axo}{cross}[true]{%
	\AXO@boolkey{#1}{cross}%
	}

	\def\AXO@CurrentCrossSize{3.5}%
	\define@key{axo}{cross-size}{%
	\def\AXO@CurrentCrossSize{#1}%
	}

	% otimes

	\newif\ifAXO@otimes
	\AXO@otimesfalse
	\define@key{axo}{otimes}[true]{%
	\AXO@boolkey{#1}{otimes}%
	}

	\def\AXO@CurrentOtimesSize{3.5}%
	\define@key{axo}{otimes-size}{%
	\def\AXO@CurrentOtimesSize{#1}%
	}

	% text

	\def\AXO@CurrentTextAlign{}%
	\define@key{axo}{l}[true]{%
	\def\AXO@CurrentTextAlign{l}%
	}
	\define@key{axo}{lt}[true]{%
	\def\AXO@CurrentTextAlign{lt}%
	}
	\define@key{axo}{tl}[true]{%
	\def\AXO@CurrentTextAlign{tl}%
	}
	\define@key{axo}{lb}[true]{%
	\def\AXO@CurrentTextAlign{lb}%
	}
	\define@key{axo}{bl}[true]{%
	\def\AXO@CurrentTextAlign{bl}%
	}
	\define@key{axo}{r}[true]{%
	\def\AXO@CurrentTextAlign{r}%
	}
	\define@key{axo}{rt}[true]{%
	\def\AXO@CurrentTextAlign{rt}%
	}
	\define@key{axo}{tr}[true]{%
	\def\AXO@CurrentTextAlign{tr}%
	}
	\define@key{axo}{rb}[true]{%
	\def\AXO@CurrentTextAlign{rb}%
	}
	\define@key{axo}{br}[true]{%
	\def\AXO@CurrentTextAlign{br}%
	}
	\define@key{axo}{t}[true]{%
	\def\AXO@CurrentTextAlign{t}%
	}
	\define@key{axo}{b}[true]{%
	\def\AXO@CurrentTextAlign{b}%
	}

	%}}}
	%{{{ axopicture environment

	% \begin{axopicture}[options](width,height)(offset-x,offset-y)
	% \end{axopicture}

	\newcounter{axoe@npics}
	\setcounter{axoe@npics}{0}

	\newsavebox{\axoe@picbox}

	\newif\if@axoe@invalid
	\@axoe@invalidfalse

	\def\axoe@boundempty{1}
	\def\axoe@boundtop{0}
	\def\axoe@boundright{0}
	\def\axoe@boundbottom{0}
	\def\axoe@boundleft{0}

	\let\old@axopicture\axopicture
	\let\old@endaxopicture\endaxopicture

	\def\axopicture{%
	\stepcounter{axoe@npics}%
	\gdef\axoe@boundempty{1}%
	\gdef\axoe@boundtop{0}%
	\gdef\axoe@boundright{0}%
	\gdef\axoe@boundbottom{0}%
	\gdef\axoe@boundleft{0}%
	\let\scope\axoe@scope
	\let\endscope\axoe@endscope
	\@ifnextchar({%
	\axoe@picture@
	}{%
	\edef\@tempa{\axoe@loadpicsize}%
	\expandafter\axoe@picture@@\@tempa
	}%
	}
	\def\axoe@picture@(#1,#2){%
	\@ifnextchar({%
	\axoe@picture@@(#1,#2)%
	}{%
	\axoe@picture@@(#1,#2)(0,0)%
	}%
	}
	\def\axoe@picture@@(#1,#2)(#3,#4){%
	\@ifnextchar[{%
	\axoe@picture@@@(#1,#2)(#3,#4)%
	}{%
	\axoe@picture@@@(#1,#2)(#3,#4)[]%
	}%
	}
	\def\axoe@picture@@@(#1,#2)(#3,#4)[#5]{%
	% TODO: Options like [color=red] don't work.
	\setkeys{axo}{#5}%
	\begin{lrbox}{\axoe@picbox}%
	\old@axopicture(#1,#2)(#3,#4)%
	\scope
	}
	\def\endaxopicture{%
	\endscope
	\old@endaxopicture
	\end{lrbox}%
	\axoe@savepicinfo
	\raisebox{\axoe@loadpicraise}{\usebox{\axoe@picbox}}%
	\ignorespacesafterend
	}

	\def\axoe@loadpicsize{%
	\@ifundefined{axoe@savedsize@\arabic{axoe@npics}}{%
	(0,0)(0,0)%
	}{%
	\@nameuse{axoe@savedsize@\arabic{axoe@npics}}%
	}%
	}

	\def\axoe@loadpicraise{%
	\@ifundefined{axoe@savedraise@\arabic{axoe@npics}}{%
	\z@
	}{%
	\@nameuse{axoe@savedraise@\arabic{axoe@npics}}%
	}%
	}

	\def\axoe@savepicinfo{%
	% XXX: assume the unit length = 1pt.
	\FPeval\axoe@t{(\axoe@boundtop)+(\AXO@CurrentMarginTop)}%
	\FPeval\axoe@r{(\axoe@boundright)+(\AXO@CurrentMarginRight)}%
	\FPeval\axoe@b{(\axoe@boundbottom)-(\AXO@CurrentMarginBottom)}%
	\FPeval\axoe@l{(\axoe@boundleft)-(\AXO@CurrentMarginLeft)}%
	\FPeval\axoe@w{(\axoe@r)-(\axoe@l)}%
	\FPeval\axoe@h{(\axoe@t)-(\axoe@b)}%
	\edef\@tempa{(\axoe@w,\axoe@h)(\axoe@l,\axoe@b)}%
	\edef\@tempb{\axoe@loadpicsize}%
	\ifx\@tempa\@tempb
	\else
	\global\@axoe@invalidtrue
	\fi
	\immediate\write\@auxout{%
	\string\global\string\@namedef{axoe@savedsize@\arabic{axoe@npics}}{\@tempa}%
	}%
	\ifx\AXO@CurrentBaseLine\empty
	\else
	\@tempdima=\AXO@CurrentBaseLine
	\edef\@tempa{\strip@pt\@tempdima}%
	\FPeval\axoe@b{(\axoe@b)-(\@tempa)}%
	\edef\@tempa{\axoe@b\p@}%
	\edef\@tempb{\axoe@loadpicraise}%
	\ifx\@tempa\@tempb
	\else
	\global\@axoe@invalidtrue
	\fi
	\immediate\write\@auxout{%
	\string\global\string\@namedef{axoe@savedraise@\arabic{axoe@npics}}%
	{\@tempa}%
	}%
	\fi
	}

	\def\axoe@point(#1,#2){%
	% TODO: linewidth, arrowwidth, etc.
	\ifnum\axoe@boundempty=1%
	\xdef\axoe@boundempty{0}%
	\xdef\axoe@boundtop{#2}%
	\xdef\axoe@boundright{#1}%
	\xdef\axoe@boundbottom{#2}%
	\xdef\axoe@boundleft{#1}%
	\else
	\axoe@point@(#1,#2)%
	\fi
	}
	\def\axoe@point@(#1,#2){%
	\FPifgt{#2}{\axoe@boundtop}%
	\xdef\axoe@boundtop{#2}%
	\fi
	\FPifgt{#1}{\axoe@boundright}%
	\xdef\axoe@boundright{#1}%
	\fi
	\FPiflt{#2}{\axoe@boundbottom}%
	\xdef\axoe@boundbottom{#2}%
	\fi
	\FPiflt{#1}{\axoe@boundleft}%
	\xdef\axoe@boundleft{#1}%
	\fi
	}

	\AtEndDocument{%
	\if@axoe@invalid
	\if@filesw
	\PackageWarningNoLine{axodraw2e}{Boundary box may have changed.
	\MessageBreak Rerun to get it correct}%
	\else
	\PackageWarningNoLine{axodraw2e}{Boundary box may be wrong}%
	\fi
	\fi
	}

	%}}}
	%{{{ scope environment

	% \begin{scope}
	% \end{scope}

	\def\axoe@scope{%
	\ifcase\axo@pdfoutput
	\special{ps: gsave}%
	\else
	\special{pdf: q}%
	\fi
	\ignorespaces
	}

	\def\axoe@endscope{%
	\ifcase\axo@pdfoutput
	\special{ps: grestore}%
	\else
	\special{pdf: Q}%
	\fi
	\ignorespaces
	}

	%}}}
	%{{{ \axo

	% \axo[options] command...;

	\newcommand{\axo}{}
	\def\axo{%
	\@ifnextchar[{%
	\axo@%
	}{%
	\axo@[]%
	}%
	}
	\def\axo@[#1]#2;{%
	\begin{axopicture}[#1]%
	#2%
	\end{axopicture}%
	\ignorespaces
	}

	%}}}
	%{{{ \Line

	% \Line[options](x1,y1)(x2,y2)...

	\def\axoe@Line{%
	\@ifnextchar[{%
	\axoe@Line@%
	}{%
	\axoe@Line@[]%
	}%
	}
	\def\axoe@Line@[#1](#2,#3)(#4,#5){%
	\edef\axoe@opts{#1}%
	\axoe@args={(#2,#3)(#4,#5)}%
	\@ifnextchar({%
	\axoe@Line@@
	}{%
	\axoe@Line@@@
	}%
	}
	\def\axoe@Line@@(#1,#2){%
	\axoe@addtoks\axoe@args{(#1,#2)}%
	\@ifnextchar({%
	\axoe@Line@@
	}{%
	\axoe@Line@@@
	}%
	}
	\def\axoe@Line@@@{%
	\bgroup
	\edef\@tempa{{axo}{\axoe@opts}}%
	\expandafter\setkeys\@tempa
	\expandafter\axoe@Line@@@@\the\axoe@args
	\egroup
	}
	\def\axoe@Line@@@@(#1,#2){%
	\axoe@point(#1,#2)% TODO: width and amplitude
	\edef\axoe@x{#1}%
	\edef\axoe@y{#2}%
	\@ifnextchar({%
	\axoe@Line@@@@@
	}{}%
	}
	\def\axoe@Line@@@@@(#1,#2){%
	\ifdim\AXO@CurrentBendRight\p@=\z@
	\axoe@Line@@@@@@(\axoe@x,\axoe@y)(#1,#2)%
	\else
	\axoe@Line@Bend(\axoe@x,\axoe@y)(#1,#2)(\AXO@CurrentBendRight)%
	\fi
	\edef\axoe@x{#1}%
	\edef\axoe@y{#2}%
	\@ifnextchar({%
	\axoe@Line@@@@@
	}{}%
	}
	\def\axoe@Line@@@@@@(#1,#2)(#3,#4){%
	\axoe@point(#3,#4)% XXX: width and amplitude
	% XXX: line-join is miserable.
	\ifAXO@wiggly
	\axoe@Line@length\@tempa(#1,#2)(#3,#4)%
	\FPeval\axoe@n{\@tempa/\AXO@CurrentWigglyLength}%
	\FPround\axoe@n{\axoe@n}{5}%
	\FPclip\axoe@n{\axoe@n}%
	\def\@tempa{\Photon}%
	\edef\@tempb{[\axoe@opts](#1,#2)(#3,#4)%
	{\AXO@CurrentWigglyAmplitude}{\axoe@n}}%
	\else\ifAXO@curly
	\axoe@Line@length\@tempa(#1,#2)(#3,#4)%
	\FPeval\axoe@n{\@tempa/\AXO@CurrentCurlyLength}%
	\FPround\axoe@n{\axoe@n}{5}%
	\FPclip\axoe@n{\axoe@n}%
	\def\@tempa{\Gluon}%
	\edef\@tempb{[\axoe@opts](#1,#2)(#3,#4)%
	{\AXO@CurrentCurlyAmplitude}{\axoe@n}}%
	\else
	\def\@tempa{\old@Line}%
	\edef\@tempb{[\axoe@opts](#1,#2)(#3,#4)}%
	\fi\fi
	\expandafter\@tempa\@tempb%
	}
	\def\axoe@Line@Bend(#1,#2)(#3,#4)(#5){%
	\FPeval\@temps{(-1)cot((#5)\FPdeg/2)}%
	\FPeval\@tempss{(\@temps)*(\@temps)}%
	\FPeval\@tempdx{(#3)-(#1)}%
	\FPeval\@tempdy{(#4)-(#2)}%
	\FPeval\@tempa{((#1)+(#3))/2 - (1-\@tempss) * \@tempdy / 4 / (\@temps)}%
	\FPeval\@tempb{((#2)+(#4))/2 + (1-\@tempss) * \@tempdx / 4 / (\@temps)}%
	\FPeval\@templ{(\@tempdx)(\@tempdx)+(\@tempdy)(\@tempdy)}%
	\FProot\@templ\@templ{2}%
	\FPeval\@tempr{(1+\@tempss) * \@templ / 4 / abs(\@temps)}%
	\FPeval\@tempdx{(#1)-\@tempa}%
	\FPeval\@tempdy{(#2)-\@tempb}%
	\FPatantwo\@temptha\@tempdy\@tempdx
	\FPdiv\@temptha\@temptha\FPdeg
	\FPeval\@tempdx{(#3)-\@tempa}%
	\FPeval\@tempdy{(#4)-\@tempb}%
	\FPatantwo\@tempthb\@tempdy\@tempdx
	\FPdiv\@tempthb\@tempthb\FPdeg
	%
	\FPifpos{#5}%
	\AXO@clockfalse
	% XXX: no way to set "anticlockwise"
	\else
	\AXO@clocktrue
	\edef\axoe@opts{\axoe@opts,clock}%
	\fi
	%
	\edef\@tempa{(\@tempa,\@tempb)(\@tempr,\@temptha,\@tempthb)}%
	\expandafter\axoe@Arc@@@@@\@tempa
	}

	\let\old@Line=\Line
	\let\Line=\axoe@Line

	\def\axoe@Line@length#1(#2,#3)(#4,#5){%
	\FPeval\@tempa{(#2-(#4))(#2-(#4))+(#3-(#5))(#3-(#5))}%
	\FProot#1\@tempa{2}%
	}

	%}}}
	%{{{ \Arc

	% \Arc[options](center-x,center-y)(radius,theta1,theta2)...

	\def\axoe@Arc{%
	\@ifnextchar[{%
	\axoe@Arc@%
	}{%
	\axoe@Arc@[]%
	}%
	}
	\def\axoe@Arc@[#1](#2,#3)(#4,#5,#6){%
	\edef\axoe@opts{#1}%
	\edef\axoe@x{#2}%
	\edef\axoe@y{#3}%
	\axoe@args={(#4,#5,#6)}%
	\@ifnextchar({%
	\axoe@Arc@@
	}{%
	\axoe@Arc@@@
	}%
	}
	\def\axoe@Arc@@(#1,#2,#3){%
	\axoe@addtoks\axoe@args{(#1,#2,#3)}%
	\@ifnextchar({%
	\axoe@Arc@@
	}{%
	\axoe@Arc@@@
	}%
	}
	\def\axoe@Arc@@@{%
	\bgroup
	\edef\@tempa{{axo}{\axoe@opts}}%
	\expandafter\setkeys\@tempa
	\expandafter\axoe@Arc@@@@\the\axoe@args
	\egroup
	}
	\def\axoe@Arc@@@@(#1,#2,#3){%
	\axoe@Arc@@@@@(\axoe@x,\axoe@y)(#1,#2,#3)%
	\@ifnextchar({%
	\axoe@Arc@@@@
	}{}%
	}
	\def\axoe@Arc@@@@@(#1,#2)(#3,#4,#5){%
	% This correction is needed for the linear interpolation along the arc.
	\edef\@tempshift{}%
	\FPsub\@tempa{#5}{#4}%
	\ifAXO@clock
	\FPneg\@tempa\@tempa
	\fi
	\FPifneg\@tempa
	% XXX: 360 could be not enough.
	\edef\@tempshift{360}%
	\fi
	\edef\@tempa{#4}%
	\ifx\@tempshift\empty
	\else
	\ifAXO@clock
	\FPadd\@tempa\@tempa\@tempshift
	\else
	\FPsub\@tempa\@tempa\@tempshift
	\fi
	\fi
	%
	\edef\@tempa{(#1,#2)(#3,\@tempa,#5)}%
	\expandafter\axoe@Arc@@@@@@\@tempa
	}
	\def\axoe@Arc@@@@@@(#1,#2)(#3,#4,#5){%
	% TODO: width and amplitude
	\FPeval\@tempa{(#4) * \FPdeg}%
	\FPsincos\@tempb\@tempa\@tempa
	\FPeval\@tempa{(#1) + \@tempa * (#3)}%
	\FPeval\@tempb{(#2) + \@tempb * (#3)}%
	\axoe@point(\@tempa,\@tempb)%
	%
	\FPeval\@tempa{(3 * (#4) + (#5)) / 4 * \FPdeg}%
	\FPsincos\@tempb\@tempa\@tempa
	\FPeval\@tempa{(#1) + \@tempa * (#3)}%
	\FPeval\@tempb{(#2) + \@tempb * (#3)}%
	\axoe@point(\@tempa,\@tempb)%
	%
	\FPeval\@tempa{(#4 + (#5)) / 2 * \FPdeg}%
	\FPsincos\@tempb\@tempa\@tempa
	\FPeval\@tempa{(#1) + \@tempa * (#3)}%
	\FPeval\@tempb{(#2) + \@tempb * (#3)}%
	\axoe@point(\@tempa,\@tempb)%
	%
	\FPeval\@tempa{(#4 + 3 * (#5)) / 4 * \FPdeg}%
	\FPsincos\@tempb\@tempa\@tempa
	\FPeval\@tempa{(#1) + \@tempa * (#3)}%
	\FPeval\@tempb{(#2) + \@tempb * (#3)}%
	\axoe@point(\@tempa,\@tempb)%
	%
	\FPeval\@tempa{(#5) * \FPdeg}%
	\FPsincos\@tempb\@tempa\@tempa
	\FPeval\@tempa{(#1) + \@tempa * (#3)}%
	\FPeval\@tempb{(#2) + \@tempb * (#3)}%
	\axoe@point(\@tempa,\@tempb)%
	%
	\ifAXO@wiggly
	\axoe@Arc@length\@tempa(#3,#4,#5)%
	\FPeval\axoe@n{\@tempa / \AXO@CurrentWigglyLength}%
	\FPround\axoe@n{\axoe@n}{5}%
	\FPclip\axoe@n{\axoe@n}%
	\def\@tempa{\PhotonArc}%
	\edef\@tempb{[\axoe@opts](#1,#2)(#3,#4,#5)%
	{\AXO@CurrentWigglyAmplitude}{\axoe@n}}%
	\else\ifAXO@curly
	\axoe@Arc@length\@tempa(#3,#4,#5)%
	\FPeval\axoe@n{\@tempa / \AXO@CurrentCurlyLength}%
	\FPround\axoe@n{\axoe@n}{5}%
	\FPclip\axoe@n{\axoe@n}%
	\def\@tempa{\GluonArc}%
	\edef\@tempb{[\axoe@opts](#1,#2)(#3,#4,#5)%
	{\AXO@CurrentCurlyAmplitude}{\axoe@n}}%
	\else
	\def\@tempa{\old@Arc}%
	\edef\@tempb{[\axoe@opts](#1,#2)(#3,#4,#5)}%
	\fi\fi
	\expandafter\@tempa\@tempb%
	}

	\let\old@Arc=\Arc
	\let\Arc=\axoe@Arc

	\def\axoe@Arc@length#1(#2,#3,#4){%
	\FPsub\@tempa{#4}{#3}%
	\ifAXO@clock
	\FPneg\@tempa\@tempa
	\fi
	\FPifneg\@tempa
	% XXX: 360 could be not enough.
	\FPadd\@tempa\@tempa{360}%
	\fi
	\FPeval#1{\@tempa * \FPdeg * abs(#2)}%
	}

	%}}}
	%{{{ \Vertex

	% \Vertex[options](x1,y1)...{size}

	\def\axoe@Vertex{%
	\@ifnextchar[{%
	\axoe@Vertex@%
	}{%
	\axoe@Vertex@[]%
	}%
	}
	\def\axoe@Vertex@[#1](#2,#3){%
	\edef\axoe@opts{#1}%
	\axoe@args={(#2,#3)}%
	\@ifnextchar({%
	\axoe@Vertex@@
	}{%
	\axoe@Vertex@@@
	}%
	}
	\def\axoe@Vertex@@(#1,#2){%
	\axoe@addtoks\axoe@args{(#1,#2)}%
	\@ifnextchar({%
	\axoe@Vertex@@
	}{%
	\axoe@Vertex@@@
	}%
	}
	\def\axoe@Vertex@@@{%
	% NOTE: the braces is mandatory for the size parameter.
	\@ifnextchar\bgroup{%
	\axoe@Vertex@@@@
	}{%
	\axoe@Vertex@@@@{}%
	}%
	}

	\def\axoe@Vertex@@@@#1{%
	\bgroup
	\edef\axoe@size{#1}%
	\edef\@tempa{{axo}{\axoe@opts}}%
	\expandafter\setkeys\@tempa
	\AXO@useopts
	\expandafter\axoe@Vertex@@@@@\the\axoe@args
	\egroup
	\ignorespaces
	}
	\def\axoe@Vertex@@@@@(#1,#2){%
	\axoe@point(#1,#2)% TODO: vertex size
	\ifAXO@cross
	\ifx\axoe@size\empty
	\axoe@Vertex@cross(#1,#2){\AXO@CurrentCrossSize}%
	\else
	\axoe@Vertex@cross(#1,#2){\axoe@size}%
	\fi
	\else\ifAXO@otimes
	\ifx\axoe@size\empty
	\axoe@Vertex@otimes(#1,#2){\AXO@CurrentOtimesSize}%
	\else
	\axoe@Vertex@otimes(#1,#2){\axoe@size}%
	\fi
	\else
	\ifx\axoe@size\empty
	\old@Vertex(#1,#2){\AXO@CurrentDotSize}%
	\else
	\old@Vertex(#1,#2){\axoe@size}%
	\fi
	\fi\fi
	\@ifnextchar({%
	\axoe@Vertex@@@@@
	}{}%
	}

	\let\old@Vertex=\Vertex
	\let\Vertex=\axoe@Vertex

	\def\axoe@Vertex@cross(#1,#2)#3{%
	\put(#1,#2){%
	{%
	\FProot\@tempa{2}{2}%
	\FPdiv\@tempa{#3}\@tempa
	{%
	\edef\@tempa{(-\@tempa,-\@tempa)(\@tempa,\@tempa)}%
	\expandafter\old@Line\@tempa
	}%
	{%
	\edef\@tempa{(\@tempa,-\@tempa)(-\@tempa,\@tempa)}%
	\expandafter\old@Line\@tempa
	}%
	}%
	}%
	}


	\def\axoe@Vertex@otimes(#1,#2)#3{%
	\ifx\AXO@CurrentFillColor\empty\else
	{%
	\SetColor{\AXO@CurrentFillColor}%
	\old@Vertex(#1,#2){#3}%
	}%
	\fi
	\axoe@Vertex@cross(#1,#2){#3}%
	\put(#1,#2){\ECirc(0,0){#3}}%
	}

	%}}}
	%{{{ \Text

	% \Text[options](x1,y1)...[options-compat]{text}

	% TODO: the rotation parameter.

	\def\axoe@Text{%
	\@ifnextchar[{%
	\axoe@Text@%
	}{%
	\axoe@Text@[]%
	}%
	}
	\def\axoe@Text@[#1](#2,#3){%
	\edef\axoe@opts{#1}%
	\axoe@args={(#2,#3)}%
	\@ifnextchar({%
	\axoe@Text@@
	}{%
	\axoe@Text@@@
	}%
	}
	\def\axoe@Text@@(#1,#2){%
	\axoe@addtoks\axoe@args{(#1,#2)}%
	\@ifnextchar({%
	\axoe@Text@@
	}{%
	\axoe@Text@@@
	}%
	}
	\def\axoe@Text@@@{%
	\@ifnextchar[{%
	\axoe@Text@@@@
	}{%
	\axoe@Text@@@@[]%
	}%
	}
	\def\axoe@Text@@@@[#1]#2{%
	\bgroup
	\edef\axoe@opts{\axoe@opts,#1}%
	\def\axoe@text{#2}%
	\edef\@tempa{{axo}{\axoe@opts}}%
	\expandafter\setkeys\@tempa
	\AXO@useopts
	\expandafter\axoe@Text@@@@@\the\axoe@args
	\egroup
	\ignorespaces
	}
	\def\axoe@Text@@@@@(#1,#2){%
	\axoe@point(#1,#2)% TODO: text box size
	\edef\@tempa{(#1,#2)[\AXO@CurrentTextAlign]}%
	\expandafter\old@Text\@tempa{\axoe@text}%
	\@ifnextchar({%
	\axoe@Text@@@@@
	}{}%
	}

	\let\old@Text=\Text
	\let\Text=\axoe@Text

	%}}}
	%{{{ \SetClip

	% \SetClip(x1,y1)(x2,y2),(x3,y3)...

	\newcommand{\SetClip}{%
	\axoe@SetClipPolygon
	}

	\def\axoe@SetClipPolygon(#1,#2){%
	\ifcase\axo@pdfoutput
	\axoe@args={ newpath #1 #2 moveto}%
	\else
	\axoe@args={ #1 #2 m}%
	\fi
	\@ifnextchar({%
	\axoe@SetClipPolygon@
	}{%
	\axoe@SetClipPolygon@@
	}%
	}

	\def\axoe@SetClipPolygon@(#1,#2){%
	\ifcase\axo@pdfoutput
	\axoe@addtoks\axoe@args{ #1 #2 lineto}%
	\else
	\axoe@addtoks\axoe@args{ #1 #2 l}%
	\fi
	\@ifnextchar({%
	\axoe@SetClipPolygon@
	}{%
	\axoe@SetClipPolygon@@
	}%
	}

	\def\axoe@SetClipPolygon@@{%
	\edef\@tempa{\the\axoe@args}%
	\ifcase\axo@pdfoutput
	\edef\axoe@clip{\@tempa \space closepath clip}%
	\else
	\special{pdf: \@tempa \space h W n}%
	\fi
	\ignorespaces
	}

	\def\AXOspecial#1{%
	\special{ps:: SDict begin savecolor end }%
	\special{" \axoe@clip \space restorecolor #1 }%
	}

	\def\axoe@clip{}

	%}}}
	%{{{ \FPdeg

	% \FPdeg := pi / 180

	\newcommand{\FPdeg}{}
	\FPdiv\FPdeg\FPpi{180}

	%}}}
	%{{{ \FPatantwo

	% \FPatantwo{dest}{y}{x}
	% -pi < atan2(y,x) <= pi

	\newcommand{\FPatantwo}[3]{%
	% NOTE: \FPifXXX doesn't work in nested constructs with "else".
	\edef\atan@tempa{}%
	\FPifneg{#2}%
	\edef\atan@tempa{\atan@tempa a}%
	\fi
	\FPifzero{#2}%
	\edef\atan@tempa{\atan@tempa b}%
	\fi
	\FPifneg{#3}%
	\edef\atan@tempa{\atan@tempa c}%
	\fi
	\FPifzero{#3}%
	\edef\atan@tempa{\atan@tempa d}%
	\fi
	\@nameuse{FPatantwo@\atan@tempa}#1{#2}{#3}%
	}
	\newcommand{\FPatantwo@}[3]{%
	% x > 0
	\FPdiv\atan@tempa{#2}{#3}%
	\FParctan#1\atan@tempa
	}
	\let\FPatantwo@a\FPatantwo@
	\let\FPatantwo@b\FPatantwo@
	\newcommand{\FPatantwo@c}[3]{%
	% y > 0
	\FPdiv\atan@tempa{#3}{#2}%
	\FParctan\atan@tempa\atan@tempa
	\FPneg\atan@tempa\atan@tempa
	\FPdiv\atan@tempb\FPpi{2}%
	\FPadd#1\atan@tempa\atan@tempb
	}
	\let\FPatantwo@d\FPatantwo@c
	\newcommand{\FPatantwo@ac}[3]{%
	% y < 0
	\FPdiv\atan@tempa{#3}{#2}%
	\FParctan\atan@tempa\atan@tempa
	\FPdiv\atan@tempb\FPpi{2}%
	\FPadd\atan@tempa\atan@tempa\atan@tempb
	\FPneg#1\atan@tempa
	}
	\let\FPatantwo@ad\FPatantwo@ac
	\newcommand{\FPatantwo@bc}[3]{%
	% x < 0, y = 0
	\FPset#1\FPpi
	}
	\newcommand{\FPatantwo@bd}[3]{%
	% x = y = 0
	\FPset#1{0}% undefined
	}

	%}}}
	\documentclass{ltxdoc}

	\title{The \pkg{axodraw2e} package}
	\author{}
	\date{}

	%{{{ Setup

	\usepackage{axodraw2e}
	\usepackage{fancyvrb}

	\newcounter{ExampleCount}

	\newenvironment{example}{%
	\VerbatimEnvironment
	\stepcounter{ExampleCount}%
	\edef\examplefilename{\jobname.\arabic{ExampleCount}.vrb}
	\begin{VerbatimOut}[gobble=2]{\examplefilename}%
	}{%
	\end{VerbatimOut}%
	\smallskip
	\noindent
	\begin{list}{}{}\item
	\begin{minipage}[t]{0.95\linewidth}%
	\VerbatimInput{\examplefilename}%
	\end{minipage} \\[20pt]
	\begin{minipage}[t]{0.95\linewidth}%
	\input{\examplefilename}%
	\end{minipage}%
	\end{list}%
	\smallskip
	\noindent
	}

	% decl from ltxguide[2001/05/28]
	\newenvironment{decl}[1][]%
	{\par\small\addvspace{4.5ex plus 1ex}%
	\vskip -\parskip
	\ifx\relax#1\relax
	\def\@decl@date{}%
	\else
	\def\@decl@date{\NEWfeature{#1}}%
	\fi
	\noindent\hspace{-\leftmargini}%
	\begin{tabular}{\|l\|}\hline\ignorespaces}%
	{\\\hline\end{tabular}\nobreak\@decl@date\par\nobreak
	\vspace{2.3ex}\vskip -\parskip}

	\providecommand\env[1]{\texttt{#1}}
	\providecommand\pkg[1]{\textsf{#1}}

	\makeatletter
	\newcommand{\nameuse}[1]{%
	\edef\@tempa{\@nameuse{#1}}%
	\ifx\@tempa\empty
	\meta{empty}%
	\else
	\@tempa
	\fi
	}
	\makeatother

	%}}} Setup

	\begin{document}

	\maketitle

	\section{axopicture}

	\begin{decl}
	\|\begin{axopicture}\|\oarg{options} \\
	\meta{commands} \\
	\|\end{axopicture}\| \\
	\\
	\|\begin{axopicture}\|\oarg{options}(\meta{width},\meta{height}) \\
	\meta{commands} \\
	\|\end{axopicture}\| \\
	\\
	\|\begin{axopicture}\|\oarg{options}(\meta{width},\meta{height})%
	(\meta{offset-x},\meta{offset-y}) \\
	\meta{commands} \\
	\|\end{axopicture}\| \\
	\\
	\|\axo\|\oarg{option} \meta{commands} ;
	\end{decl}

	\begin{tabular}{llc}
	\hline
	option & type & default value \\
	\hline
	\|baseline\| & length & \nameuse{AXO@CurrentBaseLine} \\
	\|margin-top\| & number & \nameuse{AXO@CurrentMarginTop} \\
	\|margin-right\| & number & \nameuse{AXO@CurrentMarginRight} \\
	\|margin-bottom\| & number & \nameuse{AXO@CurrentMarginBottom} \\
	\|margin-left\| & number & \nameuse{AXO@CurrentMarginLeft} \\
	\hline
	\end{tabular}

	\begin{example}
	Here are examples:
	\axo \Line[arrow](0,-10)(20,10);
	\axo[baseline=0pt] \Line[arrow](0,-10)(20,10);
	\axo[baseline=10pt] \Line[arrow](0,-10)(20,10);
	\end{example}

	\section{Line}

	\begin{decl}
	\|\Line\|\oarg{options}(\meta{x1},\meta{y1})(\meta{x2},\meta{y2})\ldots
	\end{decl}

	\begin{tabular}{llc}
	\hline
	option & type & default value \\
	\hline
	\|bend-right\| & number & 0 (=45) \\
	\|bend-left\| & number & 0 (=45) \\
	\|wiggly\| & & \\
	\|wiggly-amplitude\| & number & \nameuse{AXO@CurrentWigglyAmplitude} \\
	\|wiggly-length\| & number & \nameuse{AXO@CurrentWigglyLength} \\
	\|curly\| & & \\
	\|curly-amplitude\| & number & \nameuse{AXO@CurrentCurlyAmplitude} \\
	\|curly-length\| & number & \nameuse{AXO@CurrentCurlyLength} \\
	\hline
	\end{tabular}

	\begin{example}
	\begin{axopicture}
	\Line(0,0)(100,0)
	\Line[arrow](0,-20)(100,-20)
	\Line[dash](0,-40)(100,-40)
	\Line[wiggly](0,-60)(100,-60)
	\Line[curly](0,-80)(100,-80)
	\end{axopicture}
	\end{example}

	\begin{example}
	\begin{axopicture}
	\Line[arrow](0,0)(100,50)
	\Line[arrow,bend-right,color=red](0,0)(100,50)
	\Line[arrow,bend-left=45,color=green](0,0)(100,50)
	\Line[arrow,bend-left=90,color=blue](0,0)(100,50)
	\end{axopicture}
	\end{example}

	\section{Arc}

	\begin{decl}
	\|\Arc\|\oarg{options}(\meta{center-x},\meta{center-y})%
	(\meta{radius},\meta{theta1},\meta{theta2})\ldots
	\end{decl}

	\begin{example}
	\begin{axopicture}
	\Arc(0,0)(50,0,90)
	\Arc[arrow](40,0)(50,0,90)
	\Arc[dash](80,0)(50,0,90)
	\Arc[wiggly](120,0)(50,0,90)
	\Arc[curly](160,0)(50,0,90)
	\end{axopicture}
	\end{example}

	\section{Vertex}

	\begin{decl}
	\|\Vertex\|\oarg{options}(\meta{x1},\meta{y1})\dots \\
	\|\Vertex\|\oarg{options}(\meta{x1},\meta{y1})\dots \marg{size}
	\end{decl}

	\begin{tabular}{llc}
	\hline
	option & type & default value \\
	\hline
	\|color\| & color & \meta{empty} \\
	\|dot-size\| & number & \nameuse{AXO@CurrentDotSize} \\
	\|cross\| & & \\
	\|cross-size\| & number & \nameuse{AXO@CurrentCrossSize} \\
	\|otimes\| & & \\
	\|otimes-size\| & number & \nameuse{AXO@CurrentOtimesSize} \\
	\|fillcolor\| & color & \meta{empty} \\
	\hline
	\end{tabular}

	\begin{example}
	\begin{axopicture}
	\Vertex(0,0)
	\Vertex(50,0){5}
	\Vertex[cross](100,0)
	\Vertex[otimes](150,0)
	\end{axopicture}
	\end{example}

	\section{Text}

	\begin{decl}
	\|\Text\|\oarg{options}(\meta{x},\meta{y})\marg{text}
	\end{decl}

	\begin{tabular}{llc}
	\hline
	option & type & default value \\
	\hline
	\|color\| & color & \meta{empty} \\
	\hline
	\end{tabular}

	\begin{example}
	\begin{axopicture}
	\Text[rt](-30,-30){rt}
	\Text[t](0,-30){t}
	\Text[lt](30,-30){lt}
	\Text[r](-30,0){r}
	\Text(0,0){c}
	\Text[l](30,0){l}
	\Text[rb](-30,30){rb}
	\Text[b](0,30){b}
	\Text[lb](30,30){lb}
	\Vertex(-30, 30)(0, 30)(30, 30)
	(-30, 0)(0, 0)(30, 0)
	(-30,-30)(0,-30)(30,-30)
	\end{axopicture}
	\end{example}

	\section{SetClip}

	\begin{decl}
	\|\SetClip\|(\meta{x1},\meta{y1})(\meta{x2},\meta{y2})%
	(\meta{x3},\meta{y3})\ldots
	\end{decl}

	\begin{example}
	\begin{axopicture}
	\Line[curly](30,50)(0,-30)
	\begin{scope}
	\SetClip(0,0)(50,0)(50,20)(0,20)
	\Line[curly](40,50)(10,-30)
	\end{scope}
	\Line(0,0)(50,0)(50,20)(0,20)(0,0)
	\Line[curly](50,50)(20,-30)
	\end{axopicture}
	\end{example}

	\end{document}
	# @file Makefile
	#
	# Makefile for typesetting LaTeX documents. Requires GNU Make 3.81 on Linux.
	#
	# Usage:
	# make # .tex --(pdflatex)--> .pdf (by default)
	# make foo.dvi # foo.tex --(latex)-----> foo.dvi
	# make foo.pdf # foo.tex --(pdflatex)--> foo.pdf
	# make foo.ps # foo.tex --(latex)-----> foo.dvi
	# --(dvips)-----> foo.ps
	# make foo.eps # foo.tex --(latex)-----> foo.dvi
	# --(dvips,gs)--> foo.eps
	# make foo.tar.gz # foo.tex --(pdflatex)--> foo.fls
	# --(tar)-------> foo.tar.gz (for arXiv)
	# make dvi # Create .dvi files.
	# make ps # Create .ps files.
	# make eps # Create .eps files.
	# make pdf # Create .pdf files.
	# make dist # Create .tar.gz files.
	# make clean # Remove all generated files.
	# make mostlyclean # Remove all intermediate files.
	# make watch # Continuously update .pdf (by default) files.
	#
	# The following programs are called when needed in LaTeX typesetting:
	# bibtex, sortref, makeindex, makeglossaries and axohelp
	#

	# The default typeset type: dvi (latex) or pdf (pdflatex).
	default_typeset = pdf

	# The default target is making this type of files from all *.tex.
	default_target = $(default_typeset)

	# Specify if use colors for the output: always, none or auto (default).
	make_colors = $(MAKE_COLORS)

	# Files not to be included in a distribution.
	NODISTFILES =

	# Extra files to be included in a distribution.
	EXTRADISTFILES =

	# Files to be copied in "anc" directory in a distribution.
	ANCILLARYFILES =

	# Additional files to mostly-clean.
	MOSTLYCLEANFILES =

	# Additional files to clean.
	CLEANFILES =

	# Prerequisite make targets in subdirectories.
	PREREQUISITE_SUBDIRS =

	# Test scripts.
	TESTS =

	# The following variables will be guessed if empty.
	TARGET =
	SUBDIRS =
	LATEX =
	PDFLATEX =
	DVIPS =
	DVIPDF =
	GS =
	BIBTEX =
	SORTREF =
	MAKEINDEX =
	MAKEGLOSSARIES =
	KPSEWHICH =
	AXOHELP =
	PDFCROP =
	EBB =
	EXTRACTBB =
	SOFFICE =

	# Command options.
	LATEX_OPT = -interaction=nonstopmode -halt-on-error
	PDFLATEX_OPT = -interaction=nonstopmode -halt-on-error
	DVIPS_OPT = -Ppdf -z
	DVIPDF_OPT =
	GS_OPT =
	BIBTEX_OPT =
	SORTREF_OPT =
	MAKEINDEX_OPT =
	MAKEGLOSSARIES_OPT =
	KPSEWHICH_OPT =
	AXOHELP_OPT =
	PDFCROP_OPT =
	EBB_OPT =
	EXTRACTBB_OPT =
	SOFFICE_OPT =

	# The following lines enable use of platex.
	#LATEX = platex
	#PDFLATEX = ptex2pdf
	#BIBTEX = pbibtex
	#MAKEINDEX = mendex
	#PDFLATEX_OPT = -l -ot '-interaction=nonstopmode -halt-on-error -recorder'

	# The following lines enable use of uplatex.
	#LATEX = uplatex
	#PDFLATEX = ptex2pdf
	#BIBTEX = upbibtex
	#MAKEINDEX = upmendex
	#PDFLATEX_OPT = -u -l -ot '-interaction=nonstopmode -halt-on-error -recorder'

	# The following lines enable use of lualatex.
	#LATEX = lualatex
	#PDFLATEX = lualatex
	#BIBTEX = upbibtex
	#MAKEINDEX = upmendex

	# ANSI escape code for colorization.
	CL_NORMAL = [0m
	CL_NOTICE = [32m
	CL_WARN = [35m
	CL_ERROR = [31m

	.SUFFIXES:
	.SUFFIXES: .log .pdf .odt .eps .ps .jpg .dvi .tex .cls .sty .fmt .ltx .dtx

	DEPDIR = .dep

	# $(call cache,VARIABLE) expands $(VARIABLE) with caching.
	# See https://www.cmcrossroads.com/article/makefile-optimization-eval-and-macro-caching
	cache = $(if $(is_cached-$1),,$(eval is_cached-$1 := 1)$(eval cached_val-$1 := $($1)))$(cached_val-$1)

	# $(call type,EXEC-FILE) gives the path to the executable if found,
	# otherwise empty.
	type = $(if $(strip $1),$(strip \
	$(eval type_retval := $(shell which '$(strip $1)' 2>/dev/null)) \
	$(if $(filter-out $(firstword $(type_retval)),$(type_retval)), \
	$(eval type_retval := '$(type_retval)') \
	) \
	$(type_retval) \
	))

	# $(call pathsearch,PROG-NAME,NOERROR-IF-NOT-FOUND,NAME1,...) tries to find
	# the given executable.
	pathsearch = $(strip \
	$(eval retval := ) \
	$(call pathsearch_impl,$3,$4,$5,$6,$7,$8,$9) \
	$(if $2$(retval),,$(eval retval := \
	$(call error_message,$1 not found); \
	exit 1; :)) \
	$(retval) \
	)

	pathsearch_impl = \
	$(if $(retval),,$(eval retval := $(call type,$1))) \
	$(if $(retval),,$(if $(strip $2 $3 $4 $5 $6 $7 $8 $9),$(call pathsearch_impl,$2,$3,$4,$5,$6,$7,$8,$9)))

	# $(target)
	target = $(call cache,target_impl)

	target_impl = $(strip \
	$(target_impl_from_ltx) \
	$(target_impl_from_tex) \
	)

	target_impl_from_ltx = $(srcltxfiles:.ltx=.fmt)

	target_impl_from_tex = $(strip \
	$(eval retval := ) \
	$(if $(retval),,$(eval retval := $(TARGET))) \
	$(if $(retval),,$(eval retval := $(srctexfiles:.tex=.$(default_target)))) \
	$(retval) \
	)

	# $(target_basename)
	target_basename = $(call cache,target_basename_impl)

	target_basename_impl = $(basename $(target))

	# $(srctexfiles)
	srctexfiles = $(call cache,srctexfiles_impl)

	srctexfiles_impl = $(strip $(sort \
	$(shell grep documentclass -l *.tex 2>/dev/null) \
	$(shell awk 'FNR==1{if ($$0~"%&") print FILENAME;}' *.tex 2>/dev/null) \
	))

	# $(srcltxfiles)
	srcltxfiles = $(call cache,srcltxfiles_impl)

	srcltxfiles_impl = $(wildcard *.ltx)

	# $(srcdtxfiles)
	srcdtxfiles = $(call cache,srcdtxfiles_impl)

	srcdtxfiles_impl = $(wildcard *.dtx)

	# $(subdirs)
	subdirs = $(call cache,subdirs_impl)

	subdirs_impl = $(strip \
	$(eval retval := ) \
	$(if $(retval),,$(eval retval := $(SUBDIRS))) \
	$(if $(retval),,$(eval retval := $(dir $(wildcard */Makefile)))) \
	$(retval) \
	)

	# $(latex)
	latex = $(call cache,latex_impl)

	latex_impl = $(strip \
	$(latex_noopt) $(LATEX_OPT) \
	$(if $(findstring -recorder,$(LATEX_OPT)),,-recorder) \
	)

	latex_noopt = $(call cache,latex_noopt_impl)

	latex_noopt_impl = $(call pathsearch,latex,,$(LATEX),latex)

	# $(pdflatex)

	pdflatex = $(call cache,pdflatex_impl)

	pdflatex_impl = $(strip \
	$(pdflatex_noopt) $(PDFLATEX_OPT) \
	$(if $(findstring -recorder,$(PDFLATEX_OPT)),,-recorder) \
	)

	pdflatex_noopt = $(call cache,pdflatex_noopt_impl)

	pdflatex_noopt_impl = $(call pathsearch,pdflatex,,$(PDFLATEX),pdflatex)

	# $(dvips)
	dvips = $(call cache,dvips_impl) $(DVIPS_OPT)

	dvips_impl = $(call pathsearch,dvips,,$(DVIPS),dvips,dvipsk)

	# $(dvipdf)
	dvipdf = $(call cache,dvipdf_impl) $(DVIPDF_OPT)

	dvipdf_impl = $(call pathsearch,dvipdf,,$(DVIPDF),dvipdfm,dvipdfmx,dvipdf)

	# $(gs)
	gs = $(call cache,gs_impl) $(GS_OPT)

	gs_impl = $(call pathsearch,gs,,$(GS),gs,gswin32,gswin64,gsos2)

	# $(bibtex)
	bibtex = $(call cache,bibtex_impl) $(BIBTEX_OPT)

	bibtex_impl = $(call pathsearch,bibtex,,$(BIBTEX),bibtex)

	# $(sortref)
	sortref = $(call cache,sortref_impl) $(SORTREF_OPT)

	sortref_impl = $(call pathsearch,sortref,,$(SORTREF),sortref)

	# $(makeindex)
	makeindex = $(call cache,makeindex_impl) $(MAKEINDEX_OPT)

	makeindex_impl = $(call pathsearch,makeindex,,$(MAKEINDEX),makeindex)

	# $(makeglossaries)
	makeglossaries = $(call cache,makeglossaries_impl) $(MAKEGLOSSARIES_OPT)

	makeglossaries_impl = $(call pathsearch,makeglossaries,,$(MAKEGLOSSARIES),makeglossaries)

	# $(kpsewhich)
	kpsewhich = $(call cache,kpsewhich_impl) $(KPSEWHICH_OPT)

	kpsewhich_impl = $(call pathsearch,kpsewhich,,$(KPSEWHICH),kpsewhich)

	# $(axohelp)
	axohelp = $(call cache,axohelp_impl) $(AXOHELP_OPT)

	axohelp_impl = $(call pathsearch,axohelp,,$(AXOHELP),axohelp)

	# $(pdfcrop)
	pdfcrop = $(call cache,pdfcrop_impl) $(PDFCROP_OPT)

	pdfcrop_impl = $(call pathsearch,pdfcrop,,$(PDFCROP),pdfcrop)

	# $(ebb)
	ebb = $(call cache,ebb_impl) $(EBB_OPT)

	ebb_impl = $(call pathsearch,ebb,,$(EBB),ebb)

	# $(extractbb)
	extractbb = $(call cache,extractbb_impl) $(EXTRACTBB_OPT)

	extractbb_impl = $(call pathsearch,extractbb,,$(EXTRACTBB),extractbb)

	# $(soffice)
	soffice = $(call cache,soffice_impl) $(SOFFICE_OPT)

	soffice_impl = $(call pathsearch,soffice,, \
	$(SOFFICE), \
	soffice, \
	/cygdrive/c/Program Files/LibreOffice 5/program/soffice, \
	/cygdrive/c/Program Files (x86)/LibreOffice 5/program/soffice, \
	/cygdrive/c/Program Files/LibreOffice 4/program/soffice, \
	/cygdrive/c/Program Files (x86)/LibreOffice 4/program/soffice \
	)

	# $(mostlycleanfiles)
	mostlycleanfiles = $(call cache,mostlycleanfiles_impl)

	mostlycleanfiles_impl = $(wildcard $(strip \
	$(srctexfiles:.tex=Notes.bib) \
	$(srctexfiles:.tex=.aux) \
	$(srctexfiles:.tex=.ax1) \
	$(srctexfiles:.tex=.ax2) \
	$(srctexfiles:.tex=.blg) \
	$(srctexfiles:.tex=.end) \
	$(srctexfiles:.tex=.fls) \
	$(srctexfiles:.tex=.glg) \
	$(srctexfiles:.tex=.glo) \
	$(srctexfiles:.tex=.idx) \
	$(srctexfiles:.tex=.ilg) \
	$(srctexfiles:.tex=.ist) \
	$(srctexfiles:.tex=.log) \
	$(srctexfiles:.tex=.lof) \
	$(srctexfiles:.tex=.lot) \
	$(srctexfiles:.tex=.nav) \
	$(srctexfiles:.tex=.out) \
	$(srctexfiles:.tex=.snm) \
	$(srctexfiles:.tex=.spl) \
	$(srctexfiles:.tex=.toc) \
	$(srctexfiles:.tex=.*.vrb) \
	$(srctexfiles:.tex=.xdy) \
	$(srcltxfiles:.ltx=.log) \
	$(MOSTLYCLEANFILES) \
	))

	# $(cleanfiles)
	cleanfiles = $(call cache,cleanfiles_impl)

	cleanfiles_impl = $(wildcard $(strip \
	$(srctexfiles:.tex=.tar.gz) \
	$(srctexfiles:.tex=.pdf) \
	$(srctexfiles:.tex=.ps) \
	$(srctexfiles:.tex=.eps) \
	$(srctexfiles:.tex=.dvi) \
	$(srctexfiles:.tex=.bbl) \
	$(srctexfiles:.tex=_ref.tex) \
	$(srctexfiles:.tex=.ind) \
	$(srctexfiles:.tex=.gls) \
	$(srcltxfiles:.ltx=.fmt) \
	$(srcdtxfiles:.dtx=.cls) \
	$(srcdtxfiles:.dtx=.sty) \
	$(CLEANFILES) \
	$(mostlycleanfiles) \
	*.bmc \
	*.pbm \
	*-eps-converted-to.pdf \
	))

	# $(call colorize,COMMAND-WITH-COLOR,COMMAND-WITHOUT-COLOR)
	colorize = \
	if [ "$(make_colors)" = "always" ]; then \
	$1; \
	elif [ "$(make_colors)" = "none" ]; then \
	$2; \
	else \
	if [ -t 1 ]; then \
	$1; \
	else \
	$2; \
	fi; \
	fi

	# $(call error_message,MESSAGE)
	error_message = \
	$(call colorize, \
	printf "\033$(CL_ERROR)Error: $1\033$(CL_NORMAL)\n" >&2 \
	, \
	echo "Error: $1" >&2 \
	)

	# $(call exec,COMMAND)
	# $(call exec,COMMAND,false)
	exec = \
	$(if $(and $(findstring not found,$1),$(findstring exit 1,$1)), \
	$1 \
	, \
	failed=false; \
	$(call colorize, \
	printf "\033$(CL_NOTICE)$1\033$(CL_NORMAL)\n"; \
	exec 3>&1; \
	pipe_status=`{ { $1 3>&- 4>&-; echo $$? 1>&4; } \| \
	$(colorize_output) >&3; } 4>&1`; \
	exec 3>&-; \
	[ "$$pipe_status" = 0 ] \|\| failed=: \
	, \
	echo "$1"; \
	$1 \|\| failed=: \
	) \
	$(if $2,,; $(check_failed)) \
	)

	# $(check_failed)
	check_failed = $$failed && { [ -n "$dont_delete_on_failure" ] \|\| rm -f $@; exit 1; }; :

	# $(colorize_output)
	colorize_output = \
	sed 's/^\(!.*\)/\$\$\x1b$(CL_ERROR)\1\$\$\x1b$(CL_NORMAL)/; \
	s/^\(LaTeX[^W]Warning.\\|Package[^W]Warning.\\|Class[^W]Warning.\\|No pages of output.\\|Underfull.\\|Overfull.\\|Warning--.\)/\$\$\x1b$(CL_WARN)\1\$\$\x1b$(CL_NORMAL)/'

	# $(call cmpver,VER1,OP,VER2)
	cmpver = { \
	cmpver_ver1_="$1"; \
	cmpver_ver2_="$3"; \
	$(call cmpver_fmt_,cmpver_ver1_); \
	$(call cmpver_fmt_,cmpver_ver2_); \
	$(if $(filter -eq,$2), \
	[ $$cmpver_ver1_ = $$cmpver_ver2_ ]; \
	, \
	$(if $(filter -ne,$2), \
	[ $$cmpver_ver1_ != $$cmpver_ver2_ ]; \
	, \
	cmpver_small_=`{ echo $$cmpver_ver1_; echo $$cmpver_ver2_; } \| sort \| head -1`; \
	$(if $(filter -le,$2),[ $$cmpver_small_ = $$cmpver_ver1_ ];) \
	$(if $(filter -lt,$2),[ $$cmpver_small_ = $$cmpver_ver1_ ] && [ $$cmpver_ver1_ != $$cmpver_ver2_ ];) \
	$(if $(filter -ge,$2),[ $$cmpver_small_ = $$cmpver_ver2_ ];) \
	$(if $(filter -gt,$2),[ $$cmpver_small_ = $$cmpver_ver2_ ] && [ $$cmpver_ver1_ != $$cmpver_ver2_ ];) \
	) \
	) \
	}

	# $(call cmpver_fmt_,VAR)
	cmpver_fmt_ = \
	$1=`expr "$$$1" : '[^0-9]\([0-9][0-9]\(\.[0-9][0-9]\)\)' \| sed 's/\./ /g'`; \
	$1=`printf '%05d' $$$1`

	##

	all: $(target)

	dvi: $(target_basename:=.dvi)

	ps: $(target_basename:=.ps)

	eps: $(target_basename:=.eps)

	pdf: $(target_basename:=.pdf)

	dist: $(target_basename:=.tar.gz)

	ifneq ($(subdirs),)

	$(target_basename:=.dvi) \
	$(target_basename:=.ps) \
	$(target_basename:=.eps) \
	$(target_basename:=.pdf): \| prerequisite

	prerequisite:
	@for dir in $(subdirs); do \
	$(MAKE) -C $$dir $(PREREQUISITE_SUBDIRS); \
	done; :

	endif

	mostlyclean:
	@for dir in $(subdirs); do \
	$(MAKE) -C $$dir mostlyclean; \
	done; :
	@$(call exec,rm -f $(mostlycleanfiles))

	clean:
	@for dir in $(subdirs); do \
	$(MAKE) -C $$dir clean; \
	done; :
	@$(call exec,rm -f $(cleanfiles))
	@$(call exec,rm -rf $(DEPDIR))

	check:
	@for dir in $(subdirs); do \
	$(MAKE) -C $$dir check; \
	done
	@for test in $(TESTS); do \
	if [ -f "$$test" ]; then \
	$(call exec,./$$test); \
	else \
	$(call exec,$$test); \
	fi; \
	done

	# The "watch" mode. Try .log instead of .pdf/.dvi files, otherwise make would
	# continuously try to typeset for sources previously failed.
	watch:
	@echo "Watching for $(srctexfiles:.tex=.$(default_target)). Press Ctrl+C to quit"
	@while :; do \
	$(MAKE) --silent $(srctexfiles:.tex=.log); \
	sleep 1; \
	done

	.PHONY : all dvi ps eps pdf dist prerequisite mostlyclean clean check watch

	# $(call typeset,LATEX-COMMAND)
	# $(call typeset,LATEX-COMMAND,false)
	typeset = \
	rmfile=$@; \
	$(if $2,rmfile=;dont_delete_on_failure=1;) \
	oldfile=$*.tmp$$$$.$$RANDOM$$RANDOM; \
	trap 'rm -f $$rmfile $$oldfile*' 0 1 2 3 15; \
	failed=false; \
	if [ -f '$@' ]; then \
	need_latex=$(if $(filter-out %.ref %.bib %.bst %.idx %.glo,$?),:,false); \
	need_bibtex=$(if $(filter %.bib %.bst,$?),:,false); \
	need_sortref=$(if $(filter %.ref,$?),:,false); \
	need_makeindex=$(if $(filter %.idx,$?),:,false); \
	need_makeglossaries=$(if $(filter %.glo,$?),:,false); \
	need_axohelp=$(if $(filter %.ax2,$?),:,false); \
	if $$need_sortref \|\| $$need_bibtex; then \
	[ ! -f '$*.aux' ] && need_latex=:; \
	fi; \
	else \
	need_latex=:; \
	need_bibtex=false; \
	need_sortref=false; \
	need_makeindex=false; \
	need_makeglossaries=false; \
	need_axohelp=false; \
	fi; \
	$(call do_latex,$1,false); \
	if $$failed && $(check_noreffile); then \
	need_sortref=:; \
	failed=false; \
	else \
	$(check_failed); \
	fi; \
	for i in 1 2 3 4 5; do \
	$(do_bibtex); \
	$(do_sortref); \
	$(do_makeindex); \
	$(do_makeglossaries); \
	$(do_axohelp); \
	$(call do_latex,$1); \
	done; \
	touch $@; \
	rmfile=; \
	$(call flsdep,$@,$*.fls); \
	$(call blgdep,$@,$*.blg); \
	$(check_reffile) && $(call refdep,$@,$(<:.tex=.ref)); \
	:

	# $(call do-backup,FILE,INDEX)
	do_backup = \
	if [ -f '$1' ]; then \
	cp '$1' "$$oldfile"$2; \
	else \
	rm -f "$$oldfile"$2; \
	touch "$$oldfile"$2; \
	fi

	# $(call check_modified,FILE,INDEX)
	check_modified = \
	if diff -q "$$oldfile"$2 '$1' >/dev/null 2>&1; then false; else :; fi

	# $(call do-latex,LATEX-COMMAND)
	# $(call do-latex,LATEX-COMMAND,false)
	do_latex = \
	if $$need_latex; then \
	need_latex=false; \
	$(call do_backup,$*.aux); \
	$(call do_backup,$*.idx,2); \
	$(call do_backup,$*.glo,3); \
	$(call do_backup,$*.ax1,4); \
	$(call exec,$1 $<,$2); \
	if $(call check_modified,$*.aux); then \
	$(check_bblfile) && need_bibtex=:; \
	$(check_reffile) && need_sortref=:; \
	$(check_glsfile) && need_makeglossaries=:; \
	fi; \
	if $(call check_modified,$*.idx,2); then \
	$(check_indfile) && need_makeindex=:; \
	fi; \
	if $(call check_modified,$*.glo,3); then \
	$(check_glsfile) && need_makeglossaries=:; \
	fi; \
	if $(call check_modified,$*.ax1,4); then \
	$(check_ax2file) && need_axohelp=:; \
	fi; \
	$(check_rerun) && need_latex=:; \
	fi

	# $(do_bibtex)
	do_bibtex = \
	if $$need_bibtex; then \
	need_bibtex=false; \
	$(call do_backup,$*.bbl); \
	$(call exec,$(bibtex) $(<:.tex=)); \
	$(call check_modified,$*.bbl) && need_latex=:; \
	fi

	# $(do_sortref)
	do_sortref = \
	if $$need_sortref; then \
	need_sortref=false; \
	$(call do_backup,$*_ref.tex); \
	$(call exec,$(sortref) $< $(<:.tex=.ref)); \
	$(call check_modified,$*_ref.tex) && need_latex=:; \
	fi

	# $(do_makeindex)
	do_makeindex = \
	if $$need_makeindex; then \
	need_makeindex=false; \
	$(call do_backup,$*.ind); \
	$(call exec,$(makeindex) $(<:.tex=)); \
	$(call check_modified,$*.ind) && need_latex=:; \
	fi

	# $(do_makeglossaries)
	do_makeglossaries = \
	if $$need_makeglossaries; then \
	need_makeglossaries=false; \
	$(call do_backup,$*.gls); \
	$(call exec,$(makeglossaries) $(<:.tex=)); \
	$(call check_modified,$*.gls) && need_latex=:; \
	fi

	# $(do_axohelp)
	do_axohelp = \
	if $$need_axohelp; then \
	need_axohelp=false; \
	$(call do_backup,$*.ax2); \
	$(call exec,$(axohelp) $(<:.tex=)); \
	$(call check_modified,$*.ax2) && need_latex=:; \
	fi

	# $(call do_kpsewhich,FULLPATH-DEST-VAR,FILE)
	do_kpsewhich = \
	fullpath_kpsewhich_impl=`$(kpsewhich) "$2"`; \
	if [ -z "$$fullpath_kpsewhich_impl" ]; then \
	$(call error_message,$2 not found); \
	exit 1; \
	fi; \
	$1=$$fullpath_kpsewhich_impl

	# $(call flsdep,TARGET,FLS-FILE)
	flsdep = \
	if [ -f '$2' ]; then \
	mkdir -p $(DEPDIR); \
	{ \
	for f in `grep INPUT '$2' \| sed 's/INPUT *\(\.\/\)\?//' \| sort \| uniq`; do \
	case $$f in \
	:\|/*) ;; \
	*) [ -f "$$f" ] && echo "$1 : \$$(wildcard $$f)";; \
	esac; \
	done; \
	} >$(DEPDIR)/$1.fls.d; \
	fi

	# $(call blgdep,TARGET,BLG-FILE)
	blgdep = \
	if [ -f '$2' ]; then \
	mkdir -p $(DEPDIR); \
	{ \
	for f in `{ grep 'Database file [^:]:' '$2'; grep 'The style file:' '$2'; } \| sed 's/[^:]://'`; do \
	[ -f "$$f" ] && echo "$1 : \$$(wildcard $$f)"; \
	done; \
	} >$(DEPDIR)/$1.blg.d; \
	fi

	# $(call refdep,TARGET,REF-FILE)
	refdep = \
	if [ -f '$2' ]; then \
	mkdir -p $(DEPDIR); \
	echo '$1: $2' >$(DEPDIR)/$1.ref.d; \
	fi

	check_noreffile = grep "File \`$_ref.tex' not found" $.log >/dev/null 2>&1

	check_bblfile = grep '$.bbl' $.log >/dev/null 2>&1

	check_reffile = grep '$_ref.tex' $.log >/dev/null 2>&1

	check_indfile = grep '$.ind' $.log >/dev/null 2>&1

	check_glsfile = grep '$.gls' $.log >/dev/null 2>&1

	# axodraw2.sty uses primitive control sequences for reading .ax2 file, instead
	# of \input, without writing any jobname.ax2 in the log file. So we look for
	# jobname.ax1; if it is found in the log file, it means axodraw2.sty tries to
	# read jobname.ax2.
	check_ax2file = grep '$.ax1' $.log >/dev/null 2>&1

	check_rerun = grep 'Rerun' $*.log \| grep -v 'Package: rerunfilecheck' >/dev/null 2>&1

	.tex.dvi:
	@$(call typeset,$(latex))

	.tex.pdf:
	@$(call typeset,$(pdflatex))

	.tex.log:
	@$(call typeset,$(if $(filter $(default_target),dvi),$(latex),$(pdflatex)),false)

	.dvi.ps:
	@$(call exec,$(dvips) $<)

	#.dvi.pdf:
	# @$(call exec,$(dvipdf) $<)

	.dvi.eps:
	@trap 'rm -f $.tmp.ps $.tmp.pdf' 0 1 2 3 15; \
	$(call exec,$(dvips) -o $*.tmp.ps $<); \
	$(call exec,$(gs) -sDEVICE=pdfwrite -dPDFSETTINGS=/prepress -dEPSCrop -o $.tmp.pdf $.tmp.ps); \
	if $(call cmpver,`$(gs) --version`,-lt,9.15); then \
	$(call exec,$(gs) -sDEVICE=epswrite -o $@ $*.tmp.pdf); \
	else \
	$(call exec,$(gs) -sDEVICE=eps2write -o $@ $*.tmp.pdf); \
	fi

	# Experimental: only for pdflatex
	.ltx.fmt:
	@$(call exec,$(pdflatex_noopt) -ini -jobname='$*' '&$(notdir $(basename $(pdflatex_noopt))) $<\dump')
	@$(call exec,rm -f $*.pdf)

	.dtx.cls:
	@$(call exec,$(latex_noopt) $(basename $<).ins)

	.dtx.sty:
	@$(call exec,$(latex_noopt) $(basename $<).ins)

	.odt.pdf:
	@$(call exec,$(soffice) --headless --nologo --nofirststartwizard --convert-to pdf $<)

	# A distribution (for arXiv) needs to include
	# 1. The main tex file.
	# 2. Files that the main tex file depends on, except
	# - files with absolute paths, which are considered as system files,
	# - files created by LaTeX during typesetting, e.g., *.aux files,
	# - *.ax2 file unless "\pdfoutput=1" is explicitly used.
	# This default behaviour may be overwritten by EXTRADISTFILES and
	# NODISTFILES.
	# 3. 00README.XXX file if exists, and
	# - Files listed in 00README.XXX with "ignore".
	# See https://arxiv.org/help/00README
	# 4. Files listed in ANCILLARYFILES are included under a subdirectory "anc".
	# See https://arxiv.org/help/ancillary_files
	%.tar.gz: %.$(default_target)
	@tmpdir=tmp$$$$_$$RANDOM$$RANDOM; \
	mkdir $$tmpdir \|\| exit 1; \
	trap 'rm -rf $$tmpdir' 0 1 2 3 15; \
	pdfoutput=false; \
	if head -5 "$.tex" \| sed 's/%.//' \| grep -q '\pdfoutput=1'; then \
	pdfoutput=:; \
	fi; \
	if [ ! -f '$*.fls' ]; then \
	$(call error_message,$.fls not found. Delete $.$(default_target) and then retry); \
	exit 1; \
	fi; \
	dep_files=; \
	for f in `grep INPUT '$.fls' \| sed 's/INPUT \(\.\/\)\?//' \| sed '/^kpsewhich/d' \| sort \| uniq`; do \
	case $$f in \
	:\|/\|.aux\|.lof\|.lot\|.nav\|.out\|.spl\|.toc\|.vrb\|-eps-converted-to.pdf) ;; \
	*) \
	case $$f in \
	*.ax2) \
	$$pdfoutput \|\| continue; \
	;; \
	esac; \
	ok=:; \
	for ff in $(NODISTFILES); do \
	if [ "x$$f" = "x$$ff" ]; then \
	ok=false; \
	break; \
	fi; \
	done; \
	if $$ok; then \
	d=`dirname "$$f"`; \
	mkdir -p "$$tmpdir/$$d"; \
	cp "$$f" "$$tmpdir/$$d" \|\| exit 1; \
	dep_files="$$dep_files $$f"; \
	fi;; \
	esac; \
	done; \
	for ff in $(EXTRADISTFILES); do \
	$(call do_kpsewhich,f,$$ff); \
	cp "$$f" "$$tmpdir/" \|\| exit 1; \
	dep_files="$$dep_files $$f"; \
	done; \
	if [ -f 00README.XXX ]; then \
	cp "00README.XXX" "$$tmpdir/" \|\| exit 1; \
	dep_files="$$dep_files 00README.XXX"; \
	for f in `grep ignore 00README.XXX \| sed 's/ ignore $$//'`; do \
	cp --parents "$$f" "$$tmpdir/" \|\| rsync -R "$$f" "$$tmpdir" \|\| exit 1; \
	dep_files="$$dep_files $$f"; \
	done; \
	fi; \
	for f in $(ANCILLARYFILES); do \
	[ -d "$$tmpdir/anc" ] \|\| mkdir "$$tmpdir/anc"; \
	cp "$$f" "$$tmpdir/anc/" \|\| exit 1; \
	dep_files="$$dep_files $$f"; \
	done; \
	mkdir -p $(DEPDIR); \
	{ \
	for f in $$dep_files; do \
	echo "$@ : \$$(wildcard $$f)"; \
	done; \
	} >$(DEPDIR)/$@.d; \
	cd $$tmpdir \|\| exit 1; \
	$(call exec,tar cfv - * \| gzip -9 -n >$@,false); \
	cd .. \|\| exit 1; \
	$(check_failed); \
	mv $$tmpdir/$@ $@

	-include $(DEPDIR)/*.d