%% complex-systems.sty, being the LaTeX style file for
%% Complex Systems. Copyright (c) 1997, Complex Systems, Inc.

%% Setting page size and dimensions

\voffset = -.25in
\hoffset = -.25in
\oddsidemargin=60pt
\evensidemargin=66pt
\topmargin=18pt
\headheight=10pt
\headsep=24pt
\footskip=18pt
\textwidth=25.5pc
\textheight=45pc
\skip\footins=18pt % space added when footnote is present
\parskip=0pt
\setlength\baselineskip{12pt}
\parindent=12pt

% setting float parameters
\setcounter{topnumber}{3}
\renewcommand\topfraction{.85}
\setcounter{bottomnumber}{2}
\renewcommand\bottomfraction{.3}
\setcounter{totalnumber}{4}
\renewcommand\textfraction{.15}
\renewcommand\floatpagefraction{.85}
\setlength\floatsep    {16\p@ \@plus 2\p@ \@minus 2\p@}
\setlength\textfloatsep{16\p@ \@plus 2\p@ \@minus 2\p@}


%% Setting options
\DeclareOption{10pt}{\renewcommand\@ptsize{0}}

\DeclareOption{twoside}{\@twosidetrue  \@mparswitchtrue}

\ExecuteOptions{10pt,twoside}
\ProcessOptions

\newdimen\mathindent
\mathindent=2pc

\AtEndOfClass{\mathindent\leftmargini}

%% redefining display math to be flush left, based on "fleqn.sty"
\def\[{\relax\ifmmode\@badmath\else
 \begin{trivlist}%
 \@beginparpenalty\predisplaypenalty
 \@endparpenalty\postdisplaypenalty
 \item[]\leavevmode
 \hbox to\linewidth\bgroup $\m@th\displaystyle
 \hskip\mathindent\bgroup\fi}

\def\]{\relax\ifmmode \egroup $\hfil
       \egroup \end{trivlist}\else \@badmath \fi}

\def\equation{\@beginparpenalty\predisplaypenalty
  \@endparpenalty\postdisplaypenalty
\refstepcounter{equation}\trivlist \item[]\leavevmode
  \hbox to\linewidth\bgroup $\m@th% $ TO MAKE DOLLAR NESTING OK
  \displaystyle
\hskip\mathindent}

\def\endequation{$\hfil
           \displaywidth\linewidth\@eqnnum\egroup \endtrivlist}

%% Modified to eliminate that extra space around middle column
\def\eqnarray{\stepcounter{equation}\let\@currentlabel=\theequation
\global\@eqnswtrue
\global\@eqcnt\z@\tabskip\mathindent\let\\=\@eqncr
\abovedisplayskip\topsep\ifvmode\advance\abovedisplayskip\partopsep\fi
\belowdisplayskip\abovedisplayskip
\belowdisplayshortskip\abovedisplayskip
\abovedisplayshortskip\abovedisplayskip
$$\m@th\halign
to\linewidth\bgroup\@eqnsel\hskip\@centering$\displaystyle\tabskip\z@
  {##}$&\global\@eqcnt\@ne\hfil${{}##{}}$\hfil
  &\global\@eqcnt\tw@ $\displaystyle{##}$\hfil
   \tabskip\@centering&\llap{##}\tabskip\z@\cr}

\def\endeqnarray{\@@eqncr\egroup
      \global\advance\c@equation\m@ne$$\global\@ignoretrue
      }

%% Size equivlances:
%% \@setfontsize\normalsize\@xpt\@xiipt
%% \@setfontsize\small\@ixpt{11}
%% \@setfontsize\footnotesize\@viiipt{9.5}
%% \@setfontsize\scriptsize\@viipt\@viiipt
%% Redefined:
\renewcommand\Large{\@setfontsize\Large\@xivpt{16}}

%% to use cmmi and cmmbi at any-size
\DeclareFontShape{OML}{cmm}{m}{it}
    { <-> cmmi10 }{}
\DeclareFontShape{OML}{cmm}{b}{it}{%
      <-> cmmib10 }{}
\DeclareFontShape{OML}{cmm}{bx}{it}
   {<->sub * cmm/b/it}{}

%% To add cropmarks

\newdimen\trimwidth\newdimen\trimheight
	\trimheight=9in 
	\trimwidth=6in
\newif\ifimage 
	\imagetrue

\def\ulimage{\hbox{\vrule height .5pt depth 0pt width 20pt%
		\hskip 3.5pt%
		\vrule height 20pt depth -4pt width .5pt}}

\def\urimage{\hbox{\vrule height 20pt depth -4pt width .5pt
		\hskip 3.5pt%
		\vrule height .5pt depth 0pt width 20pt}}%

\def\lrimage{\hbox{\vrule height -4pt depth 20pt width .5pt
		\hskip 3.5pt%
		\vrule height .5pt depth 0pt width 20pt}}%

\def\llimage{\hbox{\vrule height .5pt depth 0pt width 20pt%
		\hskip 3.5pt%
		\vrule height -4pt depth 20pt width .5pt}}

\def\imagemarks{\vbox to 0pt{%
	\advance\trimwidth by 48pt\advance\trimheight by 20pt%
	\hbox{\hskip-24pt%
	\vbox to 0pt{\vskip -24pt%
		\vbox to \trimheight{%
		\hbox to \trimwidth{\ulimage\hss\urimage}%
		\vss%
		\hbox to \trimwidth{\llimage\hss\lrimage}%
		}%
	\vss}}}}

%% Copied in from latex.ltx, modified to add imagemarks 
\begingroup
\obeylines\obeyspaces%
\gdef\@resetactivechars{%
\def^^M{\@activechar@info{EOL}\space}%
\def {\@activechar@info{space}\space}}%
\endgroup
\def\@outputpage{%
\begingroup           % the \endgroup is put in by \aftergroup
  \let \protect \noexpand
  \@resetactivechars
  \@parboxrestore
  \shipout \vbox{%
    \set@typeset@protect
    \aftergroup \endgroup
    \aftergroup \set@typeset@protect
                                % correct? or just restore by ending
                                % the group?
  \if@specialpage
    \global\@specialpagefalse\@nameuse{ps@\@specialstyle}%
  \fi
  \if@twoside
    \ifodd\count\z@ \let\@thehead\@oddhead \let\@thefoot\@oddfoot
         \let\@themargin\oddsidemargin
    \else \let\@thehead\@evenhead
       \let\@thefoot\@evenfoot \let\@themargin\evensidemargin
    \fi
  \fi
  \reset@font
  \normalsize
  \baselineskip\z@skip \lineskip\z@skip \lineskiplimit\z@
    \@begindvi
\ifimage\imagemarks%% 
	\else%%
\vbox to 0pt{}%%
	\fi%%
\vskip \topmargin
    \moveright\@themargin \vbox {%
      \setbox\@tempboxa \vbox to\headheight{%
        \vfil
        \color@hbox
          \normalcolor
          \hb@xt@\textwidth {%
            \let \label \@gobble
            \let \index \@gobble
            \let \glossary \@gobble %% 21 Jun 91
            \@thehead
            }%
        \color@endbox
        }%                        %% 22 Feb 87
      \dp\@tempboxa \z@
      \box\@tempboxa
      \vskip \headsep
      \box\@outputbox
      \baselineskip \footskip
      \color@hbox
        \normalcolor
        \hb@xt@\textwidth{%
          \let \label \@gobble
          \let \index \@gobble      %% 22 Feb 87
          \let \glossary \@gobble   %% 21 Jun 91
          \@thefoot
          }%
      \color@endbox
      }%
    }%
\global \@colht \textheight
\stepcounter{page}%
\let\firstmark\botmark
}

\DeclareMathSymbol{\mycopyright}{\mathrel}{symbols}{'375}
	% \def\copyright{$\mycopyright$}

%% To custom format the header/footers
\newcommand{\copyrightinfo}[4]{%
\gdef\@volume{#1}
\gdef\@year{#2}
\gdef\@startpage{#3}
\gdef\@endpage{#4}
\setcounter{page}{\@startpage}
}

% Set default
\copyrightinfo{volume}{year}{1}{1+}

\newcommand{\@firstcopyrightfoot}{\hfil{\scriptsize
\textit{Complex\ Systems},\ \textbf{\@volume}\ (\@year)\ \@startpage--\@endpage;
$\mycopyright$\ \@year\ Complex Systems Publications, Inc.}\hfil}

\newcommand{\@copyrightfooteven}{{\scriptsize
\textit{Complex\ Systems},\ \textbf{\@volume}\ (\@year)\ \@startpage--\@endpage}\hfil}

\newcommand{\@copyrightfootodd}{\hfil{\scriptsize
\textit{Complex\ Systems},\ \textbf{\@volume}\ \textrm{(\@year)}\ \@startpage--\@endpage}}


\def\ps@myheadings{%
\let\@oddfoot\@copyrightfootodd\let\@evenfoot\@copyrightfooteven
    \def\@evenhead{\footnotesize{\sffamily\bfseries\thepage}%
\hfil\slshape\leftmark}%
    \def\@oddhead{\footnotesize{\slshape\rightmark}\hfil%
{\sffamily\bfseries\thepage}}%
    \let\@mkboth\@gobbletwo
    \let\sectionmark\@gobble
    \let\subsectionmark\@gobble
    }

\pagestyle{myheadings}

%% To custom format the title page and headers

\def\ps@firstcopyfoot{\let\@mkboth\@gobbletwo
\let\@oddhead\@empty
\let\@oddfoot\@firstcopyrightfoot
\let\@evenhead\@empty
\let\@evenfoot\@oddfoot}

%% Null definition in case no \markboth used
\def\@authmark{}

\def\markboth#1#2{\gdef\@themark{{#1}{#2}}%
\addcontentsline{toc}{title}{\@title\ #1}%
{\let\protect\@unexpandable@protect
\let\label\relax \let\index\relax \let\glossary\relax
\mark{\@themark}}\if@nobreak\ifvmode\nobreak\fi\fi}

%% To just make a blank line in the tabular
%% that formats \author{}. Use only when author affiliations
%% differ
\renewcommand{\and}{\enspace\\ }

\def\@maketitle{%
  \newpage
  \null
\vspace*{-10pt}
{\parskip0pt\parindent0pt \let \footnote \thanks
  \begin{raggedright}%
  {\Large\mathversion{bold}\bfseries \@title \par}%
  \end{raggedright}%
  \vskip 24pt%
    {\small\lineskip=11pt% 
      \begin{tabular}[t]{@{}l}%
        \@author
      \end{tabular}}\par%
\vskip8pt}
}

\renewcommand\maketitle{\par
  \begingroup
    \renewcommand\thefootnote{\@fnsymbol\c@footnote}%
    \def\@makefnmark{\rlap{\@textsuperscript{\normalfont\@thefnmark}}}%
    \long\def\@makefntext##1{\parindent 1em\noindent
            \hb@xt@1.8em{%
                \hss\@textsuperscript{\normalfont\@thefnmark}}##1}%
    \if@twocolumn
      \ifnum \col@number=\@ne
        \@maketitle
      \else
        \twocolumn[\@maketitle]%
      \fi
    \else
      \newpage
      \global\@topnum\z@   % Prevents figures from going at top of page.
      \@maketitle
    \fi
    \thispagestyle{firstcopyfoot}\@thanks
  \endgroup
  \setcounter{footnote}{0}%
  \global\let\thanks\relax
  \global\let\maketitle\relax
  \global\let\@maketitle\relax
  \global\let\@thanks\@empty
  \global\let\@author\@empty
  \global\let\@date\@empty
  \global\let\@title\@empty
  \global\let\title\relax
  \global\let\author\relax
  \global\let\date\relax
}


\newcommand{\authname}[1]{{\footnotesize\sffamily\bfseries #1}}
\newcommand{\authadd}[1]{{\small\rmfamily\itshape #1}}

%% redefining the abstract environment
\newif\ifafterabstract
\global\afterabstractfalse

\renewenvironment{abstract}{%
\small\parskip0pt\leftskip = 2pc%
\advance\leftmargin2pc
\noindent\rule{23.5pc}{.5pt}\break
}
{\par\nointerlineskip\vskip4pt\noindent\rule{23.5pc}{.5pt}\par
\global\afterabstracttrue
\everypar={\global\afterabstractfalse\everypar{}}\nointerlineskip
}

%% Customizing the \section, \subsection, \subsubsection headings

%% Suppress paragraph indent after all headings
\@afterindentfalse

\renewcommand\section{\parskip0pt%
\ifdim\lastskip>0pt\vskip-\lastskip\fi
\ifafterabstract\global\afterabstractfalse\vskip36pt
\else\vskip16pt plus 4pt minus 2pt\fi%
\secdef\@numberedsection\@unnumberedsection}

\newbox\sectionbox
\newdimen\sectionhtdp
	
\def\@numberedsection[#1]#2{%
    \ifnum \c@secnumdepth >1\relax
      \refstepcounter{section}%
    \fi
    {\parindent \z@ \hangindent=24pt\hangafter=0\raggedright
     \interlinepenalty \@M
     \small\mathversion{bold}\sffamily\bfseries
     \ifnum \c@secnumdepth >2\relax%
       \leavevmode\llap{\hbox to \hangindent{\hfil\thesection.\enspace}}%
\setbox\sectionbox=\vbox{\hsize=23.5pc #2\hrule height 0pt width 0pt depth 4pt}%
\sectionhtdp=\dp\sectionbox\advance\sectionhtdp\ht\sectionbox%
\else
\setbox\sectionbox=\vbox{\hsize=24.5pc #2\hrule height 0pt width 0pt depth 4pt}%
\sectionhtdp=\dp\sectionbox\advance\sectionhtdp\ht\sectionbox%
\fi%
	#2\par\nointerlineskip\nobreak%
\vskip4pt\smash{\rule{3pt}{\sectionhtdp}\rule{25.25pc}{.5pt}}}\par%
    \nobreak
    \vskip 4pt
    \@afterheading}

\def\@unnumberedsection#1{%
    {\parindent \z@ \raggedright\hangindent=12pt\hangafter=0
     \interlinepenalty \@M
     \small\mathversion{bold}\sffamily\bfseries 
\setbox\sectionbox=\vbox{\hsize=24.5pc #1\hrule height 0pt width 0pt depth 4pt}%
\sectionhtdp=\dp\sectionbox\advance\sectionhtdp\ht\sectionbox%
#1\par\nointerlineskip\nobreak%
\vskip4pt\smash{\rule{3pt}{\sectionhtdp}\rule{25.25pc}{.5pt}}}\par%
     \nobreak
     \vskip 4pt
     \@afterheading}

\renewcommand\subsection{\parskip0pt%
\ifdim\lastskip>0pt\vskip-\lastskip\fi
\vskip 16pt plus 4pt minus 2pt
\secdef\@numberedsubsection\@unnumberedsubsection}

\def\@numberedsubsection[#1]#2{%
    \ifnum \c@secnumdepth >2\relax
      \refstepcounter{subsection}%
    \fi
    {\parindent \z@ \hangindent=24pt\hangafter=0\raggedright
     \interlinepenalty \@M
     \footnotesize\mathversion{bold}\sffamily\bfseries
     \ifnum \c@secnumdepth >2\relax
\leavevmode\llap{\hbox to \hangindent{\hfil\thesubsection\enspace}}%
\setbox\sectionbox=\vbox{\hsize=23.5pc #2\hrule height 0pt width 0pt depth 2pt}%
\sectionhtdp=\dp\sectionbox\advance\sectionhtdp\ht\sectionbox%
\else
\setbox\sectionbox=\vbox{\hsize=24.5pc #2\hrule height 0pt width 0pt depth 2pt}%
\fi%
	#2\par\nointerlineskip\nobreak%
\smash{\rule{3pt}{\ht\sectionbox}}}\par%
    \nobreak
    \vskip 4pt
    \@afterheading}

\def\@unnumberedsubsection#1{%
    {\parindent \z@ \raggedright\hangindent=12pt\hangafter=0
     \interlinepenalty \@M \footnotesize\mathversion{bold}\sffamily\bfseries 
\setbox\sectionbox=\vbox{\hsize=24.5pc #1\hrule height 0pt width 0pt depth 2pt}%
\sectionhtdp=\dp\sectionbox\advance\sectionhtdp\ht\sectionbox%
#1\par\nointerlineskip\nobreak%
\smash{\rule{3pt}{\ht\sectionbox}}}%
     \nobreak
     \vskip 4pt
     \@afterheading}

\renewcommand\subsubsection{\parskip0pt%
\ifdim\lastskip>0pt\vskip-\lastskip\fi
\vskip 12pt plus 2pt minus 2pt
\secdef\@numberedsubsubsection\@unnumberedsubsubsection}

\def\@numberedsubsubsection[#1]#2{%
    \ifnum \c@secnumdepth >2\relax
      \refstepcounter{subsubsection}%
\else
    \fi
    {\parindent \z@ \raggedright
     \interlinepenalty \@M
     \footnotesize\mathversion{bold}\sffamily\bfseries
     \ifnum \c@secnumdepth >2\relax
\setbox\sectionbox=\hbox{\thesubsubsection\enspace}
\hangindent=\wd\sectionbox\hangafter=1
\leavevmode\thesubsubsection\enspace%
\fi%
	#2\par\nointerlineskip\nobreak%
}
    \vskip 4pt
    \@afterheading}

\def\@unnumberedsubsubsection#1{%
    {\parindent \z@ \raggedright
     \interlinepenalty \@M \footnotesize\mathversion{bold}\sffamily\bfseries 
#1\par\nointerlineskip\nobreak}%
     \vskip 4pt
     \@afterheading}

\renewcommand\appendix{%
\global\@topnum\z@
\ifdim\lastskip>0pt\vskip-\lastskip\fi
  \setcounter{section}{0}%
  \setcounter{subsection}{0}%
  \renewcommand\thesection{\@Alph\c@section}
  \renewcommand{\theequation}{\thesection.\arabic{equation}}
  \setcounter{equation}{0}
\vskip16pt plus 4pt minus 2pt
\noindent{\small\sffamily\bfseries\appendixname}
\nobreak}

%% redefined so all newtheorems are in the normal font
\def\@begintheorem#1#2{\trivlist\normalfont
   \item[\hskip \labelsep
{\footnotesize\sffamily\bfseries #1\quad #2.\kern4pt}]\ignorespaces}

\def\@opargbegintheorem#1#2#3{\trivlist\normalfont
      \item[\hskip \labelsep{\footnotesize\sffamily\bfseries #1\ #2\ (#3)}]}

%% Making some pre-built "theorem" environments
\newtheorem{theorem}{Theorem}
\newtheorem{lemma}{Lemma}
\newtheorem{corollary}{Corollary}
\newtheorem{example}{Example}
\newtheorem{proposition}{Proposition}
\newtheorem{definition}{Definition}

\def\proof{
\ifdim\lastskip>0pt\vskip-\lastskip\fi
\vspace{.5\baselineskip}\noindent{\sl Proof}.\enspace\ignorespaces}

\def\qed{\hbox{\vrule height .5em width .5em depth 0em}}

\def\endproof{\ignorespaces\ \nobreak\qed\par\vskip.5\baselineskip}

%% List customizations

\renewcommand\labelitemi{\rule[.5ex]{.3em}{.3em}}

\def\list#1#2{\ifnum \@listdepth >5\relax \@toodeep
     \else \global\advance\@listdepth\@ne \fi
  \rightmargin \z@ \listparindent\z@ \itemindent\z@
  \csname @list\romannumeral\the\@listdepth\endcsname
  \def\@itemlabel{#1}\let\makelabel\@mklab \@nmbrlistfalse #2\relax
  \@trivlist\small
  \parskip\parsep \parindent\listparindent
  \advance\linewidth -\rightmargin \advance\linewidth -\leftmargin
  \advance\@totalleftmargin \leftmargin
  \parshape \@ne \@totalleftmargin \linewidth
  \ignorespaces}

%% Table/Figure captions
\setlength\abovecaptionskip{8pt}
\setlength\belowcaptionskip{0pt}

\long\def\@makecaption#1#2{%
  \vskip\abovecaptionskip
  \sbox\@tempboxa{{\footnotesize\sffamily\bfseries #1.}\ \small #2}%
  \ifdim \wd\@tempboxa >\hsize
    {\footnotesize\sffamily\bfseries #1.}\ {\small #2}\par
  \else
    \global \@minipagefalse
    \hb@xt@\hsize{\hfil\box\@tempboxa\hfil}%
  \fi
  \vskip\belowcaptionskip}

%% NOTE: fixing some character bugs...
\DeclareMathSymbol{\rightarrowleftarrow}{\mathrel}{symbols}{'373}
\DeclareMathSymbol{\leftarrowrightarrow}{\mathrel}{symbols}{'374}
\DeclareMathSymbol{\leftrightarrow}{\mathrel}{symbols}{'044}


%% NOTE: using cmex for under/overbrace

\DeclareSymbolFont{largesymbolscm}{OMX}{cmex}{m}{n}

\DeclareMathSymbol{\braceld}{\mathord}{largesymbolscm}{"7A}
\DeclareMathSymbol{\bracerd}{\mathord}{largesymbolscm}{"7B}
\DeclareMathSymbol{\bracelu}{\mathord}{largesymbolscm}{"7C}
\DeclareMathSymbol{\braceru}{\mathord}{largesymbolscm}{"7D}

\def\downbracefill{$\m@th \setbox\z@\hbox{$\braceld$}%
  \braceld\leaders\vrule \@height\ht\z@ \@depth\z@\hfill\braceru
  \bracelu\leaders\vrule \@height\ht\z@ \@depth\z@\hfill\bracerd$}
\def\upbracefill{$\m@th \setbox\z@\hbox{$\braceld$}%
  \bracelu\leaders\vrule \@height\ht\z@ \@depth\z@\hfill\bracerd
  \braceld\leaders\vrule \@height\ht\z@ \@depth\z@\hfill\braceru$}