elsarticle.dtx

   1 % \iffalse meta-comment
   2 %
   3 % Copyright (C) 2007, 2008, 2009 by Elsevier Ltd
   4 % -----------------------------------------------
   5 %
   6 % This file may be distributed and/or modified under the
   7 % conditions of the LaTeX Project Public License, either version 1.2
   8 % of this license or (at your option) any later version.
   9 % The latest version of this license is in:
  10 %
  11 %    http://www.latex-project.org/lppl.txt
  12 %
  13 % and version 1.2 or later is part of all distributions of LaTeX
  14 % version 1999/12/01 or later.
  15 %
  16 % \fi
  17 % \CheckSum{2196}
  18 %
  19 % \iffalse
  20 %<*driver>
  21 \documentclass{ltxdoc}
  22 \EnableCrossrefs
  23 \CodelineIndex
  24 \RecordChanges
  25 \usepackage{comment}
  26 \begin{document}
  27   \DocInput{elsarticle.dtx}
  28   \PrintChanges
  29   \PrintIndex
  30 \end{document}
  31 %</driver>
  32 % \fi
  33 %
  34 % \CharacterTable
  35 %  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
  36 %   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
  37 %   Digits        \0\1\2\3\4\5\6\7\8\9
  38 %   Exclamation   \!     Double quote  \"     Hash (number) \#
  39 %   Dollar        \$     Percent       \%     Ampersand     \&
  40 %   Acute accent  \'     Left paren    \(     Right paren   \)
  41 %   Asterisk      \*     Plus          \+     Comma         \,
  42 %   Minus         \-     Point         \.     Solidus       \/
  43 %   Colon         \:     Semicolon     \;     Less than     \<
  44 %   Equals        \=     Greater than  \>     Question mark \?
  45 %   Commercial at \@     Left bracket  \[     Backslash     \\
  46 %   Right bracket \]     Circumflex    \^     Underscore    \_
  47 %   Grave accent  \`     Left brace    \{     Vertical bar  \|
  48 %   Right brace   \}     Tilde         \~}
  49 %
  50 %
  51 % \changes{v1.1}{2008/09/25}{Initial version}
  52 %
  53 %
  54 % \changes{v1.2}{2009/09/17}{Documentation, templates, and *.bst
  55 %    has been seperated from this .dtx. Incompatibility problems
  56 %    with amsref.sty, fncylab.sty have been fixed. Some bugs related
  57 %    to author/affiliation part have been fixed.}
  58 %
  59 % \GetFileInfo{elsarticle.dtx}
  60 %
  61 % \DoNotIndex{\newcommand,\newenvironment}
  62 %
  63 %
  64 % \title{The \textsf{elsarticle.cls} -- Implimentation}
  65 % \author{Elsevier Ltd}
  66 %
  67 % \maketitle
  68 %
  69 % \StopEventually{}
  70 %
  71 % \section{Implementation}
  72 %
  73 %    \begin{macrocode}
  74 %<*class>
  75 %%
  76 %% $Id: elsarticle.cls,v 1.20 2008-10-13 04:24:12 cvr Exp $
  77 %%
  78  \def\RCSfile{elsarticle}%
  79  \def\RCSversion{1.2.0}%
  80  \def\RCSdate{2009/09/17}%
  81  \def\@shortjnl{\relax}
  82  \def\@journal{Elsevier Ltd} \def\@company{Elsevier Ltd}
  83  \def\@issn{000-0000}
  84  \def\@shortjid{elsarticle}
  85 \NeedsTeXFormat{LaTeX2e}[1995/12/01]
  86 \ProvidesClass{\@shortjid}[\RCSdate, \RCSversion: \@journal]
  87 \def\ABD{\AtBeginDocument}
  88 \newif\ifpreprint \preprintfalse
  89 \newif\iflongmktitle \longmktitlefalse
  90
  91 \def\@blstr{1}
  92 \newdimen\@bls
  93 \@bls=\baselineskip
  94
  95 \def\@finalWarning{%
  96   *****************************************************\MessageBreak
  97    This document is typeset in the CRC style which\MessageBreak
  98    is not suitable for submission.\MessageBreak
  99    \MessageBreak
 100    Please typeset again using 'preprint' option\MessageBreak
 101    for creating PDF suitable for submission.\MessageBreak
 102   ******************************************************\MessageBreak
 103 }
 104
 105 \DeclareOption{preprint}{\global\preprinttrue
 106   \gdef\@blstr{1}\xdef\jtype{0}%
 107    \AtBeginDocument{\@twosidefalse\@mparswitchfalse}}
 108 \DeclareOption{final}{\gdef\@blstr{1}\global\preprintfalse}
 109 \DeclareOption{review}{\global\preprinttrue\gdef\@blstr{1.5}}
 110 \DeclareOption{authoryear}{\xdef\@biboptions{round,authoryear}}
 111 \DeclareOption{number}{\xdef\@biboptions{numbers}}
 112 \DeclareOption{numbers}{\xdef\@biboptions{numbers}}
 113 \DeclareOption{longtitle}{\global\longmktitletrue}
 114 \DeclareOption{5p}{\xdef\jtype{5}\global\preprintfalse
 115   \ExecuteOptions{twocolumn}}
 116   \def\jtype{0}
 117 \DeclareOption{3p}{\xdef\jtype{3}\global\preprintfalse}
 118 \DeclareOption{1p}{\xdef\jtype{1}\global\preprintfalse
 119   \AtBeginDocument{\@twocolumnfalse}}
 120 \DeclareOption{times}{\IfFileExists{txfonts.sty}%
 121   {\AtEndOfClass{\RequirePackage{txfonts}%
 122   \gdef\ttdefault{cmtt}%
 123    \let\iint\relax
 124   \let\iiint\relax
 125   \let\iiiint\relax
 126   \let\idotsint\relax
 127   \let\openbox\relax}}{\RequirePackage{times}}}
 128 \ExecuteOptions{a4paper,10pt,oneside,onecolumn,number,preprint}
 129 \DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}}
 130 \ProcessOptions
 131 \LoadClass{article}
 132 \RequirePackage{graphicx}
 133 %    \end{macrocode}
 134 %
 135 % \section{Preamble}
 136 %
 137 %    \begin{macrocode}
 138 \let\comma\@empty
 139 \let\tnotesep\@empty
 140 \def\title#1{\gdef\@title{#1}}
 141 \let\@title\@empty
 142
 143 \def\elsLabel#1{\@bsphack\protected@write\@auxout{}%
 144          {\string\Newlabel{#1}{\@currentlabel}}\@esphack}
 145 \def\Newlabel#1#2{\expandafter\xdef\csname X@#1\endcsname{#2}}
 146
 147 \def\elsRef#1{\@ifundefined{X@#1}{0}{\csname X@#1\endcsname}%
 148 }
 149
 150 \def\tnotemark[#1]{\textsuperscript{\@for\@@tmark:=#1\do{%
 151       \edef\tnotenum{\@ifundefined{X@\@@tmark}{1}{\elsRef{\@@tmark}}}%
 152       \ifcase\tnotenum\or\ding{73}\or,\ding{73}\ding{73}\fi}}%
 153 }
 154 \let\@tnotemark\@empty
 155
 156 \let\@tnotes\@empty
 157 \RequirePackage{pifont}
 158 \newcounter{tnote}
 159 \def\tnotetext[#1]#2{\g@addto@macro\@tnotes{%
 160   \refstepcounter{tnote}\elsLabel{#1}%
 161    \def\thefootnote{\ifcase\c@tnote\or\ding{73}\or\ding{73}\ding{73}\fi}%
 162     \footnotetext{#2}}}
 163
 164 \let\@nonumnotes\@empty
 165 \def\nonumnote#1{\g@addto@macro\@nonumnotes{%
 166      \let\thefootnote\relax\footnotetext{#1}}}
 167
 168 \newcounter{fnote}
 169 \def\fnmark[#1]{\let\comma\@empty
 170     \def\@fnmark{\@for\@@fnmark:=#1\do{%
 171     \edef\fnotenum{\@ifundefined{X@\@@fnmark}{1}{\elsRef{\@@fnmark}}}%
 172   \unskip\comma\fnotenum\let\comma,}}%
 173 }
 174
 175 \let\@fnotes\@empty\let\@fnmark\@empty
 176 \def\fntext[#1]#2{\g@addto@macro\@fnotes{%
 177      \refstepcounter{fnote}\elsLabel{#1}%
 178    \def\thefootnote{\thefnote}%
 179    \global\setcounter{footnote}{\thefnote}%
 180    \footnotetext{#2}}}
 181
 182 \def\cormark[#1]{\edef\cnotenum{\elsRef{#1}}%
 183     \unskip\textsuperscript{\sep\ifcase\cnotenum\or
 184        $\ast$\or$\ast\ast$\fi\hspace{-1pt}}\let\sep=,}
 185
 186 \let\@cormark\@empty
 187 \let\@cornotes\@empty
 188 \newcounter{cnote}
 189 \def\cortext[#1]#2{\g@addto@macro\@cornotes{%
 190     \refstepcounter{cnote}\elsLabel{#1}%
 191     \def\thefootnote{\ifcase\thecnote\or$\ast$\or
 192     $\ast\ast$\fi}%
 193     \footnotetext{#2}}}
 194
 195 \let\@corref\@empty
 196 %\def\corref#1{\cormark[#1]}
 197 \def\corref#1{\edef\cnotenum{\elsRef{#1}}%
 198     \edef\@corref{\ifcase\cnotenum\or
 199          $\ast$\or$\ast\ast$\fi\hskip-1pt}}
 200
 201 \def\fnref#1{\fnmark[#1]}
 202 \def\tnoteref#1{\tnotemark[#1]}
 203
 204 \def\resetTitleCounters{\c@cnote=0
 205    \c@fnote=0 \c@tnote=0 \c@footnote=0}
 206
 207 \let\eadsep\@empty
 208 \let\@elseads\@empty
 209 \let\@elsuads\@empty
 210 \let\@cormark\@empty
 211 \def\hashchar{\expandafter\@gobble\string\~}
 212 \def\underscorechar{\expandafter\@gobble\string\_}
 213 \def\lbracechar{\expandafter\@gobble\string\{}
 214 \def\rbracechar{\expandafter\@gobble\string\}}
 215
 216 \def\ead{\@ifnextchar[{\@uad}{\@ead}}
 217 \gdef\@ead#1{\bgroup\def\_{\string\underscorechar\space}%
 218   \def\{{\string\lbracechar\space}%
 219    \def~{\hashchar\space}%
 220    \def\}{\string\rbracechar\space}%
 221    \edef\tmp{\the\@eadauthor}
 222    \immediate\write\@auxout{\string\emailauthor
 223      {#1}{\expandafter\strip@prefix\meaning\tmp}}%
 224   \egroup
 225 }
 226 \newcounter{ead}
 227 \gdef\emailauthor#1#2{\stepcounter{ead}%
 228      \g@addto@macro\@elseads{\raggedright%
 229       \let\corref\@gobble
 230       \eadsep\texttt{#1} (#2)\def\eadsep{\unskip,\space}}%
 231 }
 232 \gdef\@uad[#1]#2{\bgroup
 233   \def~{\string\hashchar\space}%
 234   \def\_{\string\underscorechar\space}%
 235    \edef\tmp{\the\@eadauthor}
 236    \immediate\write\@auxout{\string\urlauthor
 237      {#2}{\expandafter\strip@prefix\meaning\tmp}}%
 238   \egroup
 239 }
 240 \def\urlauthor#1#2{\g@addto@macro\@elsuads{\let\corref\@gobble%
 241      \raggedright\eadsep\texttt{#1}\space(#2)%
 242      \def\eadsep{\unskip,\space}}%
 243 }
 244
 245 \def\elsauthors{}
 246 \def\pprinttitle{}
 247 \let\authorsep\@empty
 248 \let\sep\@empty
 249 \newcounter{author}
 250 \def\author{\@ifnextchar[{\@@author}{\@author}}
 251
 252 \newtoks\@eadauthor
 253 \def\@@author[#1]#2{\g@addto@macro\elsauthors{%
 254     \def\baselinestretch{1}%
 255     \authorsep#2\unskip\textsuperscript{%#1%
 256       \@for\@@affmark:=#1\do{%
 257        \edef\affnum{\@ifundefined{X@\@@affmark}{1}{\elsRef{\@@affmark}}}%
 258      \unskip\sep\affnum\let\sep=,}%
 259       \ifx\@fnmark\@empty\else\unskip\sep\@fnmark\let\sep=,\fi
 260       \ifx\@corref\@empty\else\unskip\sep\@corref\let\sep=,\fi
 261       }%
 262     \def\authorsep{\unskip,\space}%
 263     \global\let\sep\@empty\global\let\@corref\@empty
 264     \global\let\@fnmark\@empty}%
 265     \@eadauthor={#2}
 266 }
 267
 268 \def\@author#1{\g@addto@macro\elsauthors{\normalsize%
 269     \def\baselinestretch{1}%
 270     \upshape\authorsep#1\unskip\textsuperscript{%
 271       \ifx\@fnmark\@empty\else\unskip\sep\@fnmark\let\sep=,\fi
 272       \ifx\@corref\@empty\else\unskip\sep\@corref\let\sep=,\fi
 273       }%
 274     \def\authorsep{\unskip,\space}%
 275     \global\let\@fnmark\@empty
 276     \global\let\sep\@empty}%
 277     \@eadauthor={#1}
 278 }
 279
 280 \def\elsaddress{}
 281 \def\addsep{\par\vskip6pt}
 282 \def\address{\@ifnextchar[{\@@address}{\@address}}
 283
 284 \def\@alph#1{%
 285   \ifcase#1\or a\or b\or c\or d\or e\or f\or g\or h\or i\or j\or k\or
 286   l\or m\or n\or o\or p\or q\or r\or s\or t\or u\or v\or w\or x\or
 287   y\or z%
 288   \or aa\or ab\or ac\or ad\or ae\or af\or ag\or ah\or ai\or aj\or
 289   ak\or al\or am\or an\or ao\or ap\or aq\or ar\or as\or at\or au\or
 290   av\or aw\or ax\or ay\or az%
 291   \or ba\or bb\or bc\or bd\or be\or bf\or bg\or bh\or bi\or bj\or
 292   bk\or bl\or bm\or bn\or bo\or bp\or bq\or br\or bs\or bt\or bu\or
 293   bv\or bw\or bx\or by\or bz%
 294   \or ca\or cb\or cc\or cd\or ce\or cf\or cg\or ch\or ci\or cj\or
 295   ck\or cl\or cm\or cn\or co\or cp\or cq\or cr\or cs\or ct\or cu\or
 296   cv\or cw\or cx\or cy\or cz%
 297   \or da\or db\or dc\or dd\or de\or df\or dg\or dh\or di\or dj\or
 298   dk\or dl\or dm\or dn\or do\or dp\or dq\or dr\or ds\or dt\or du\or
 299   dv\or dw\or dx\or dy\or dz%
 300   \or ea\or eb\or ec\or ed\or ee\or ef\or eg\or eh\or ei\or ej\or
 301   ek\or el\or em\or en\or eo\or ep\or eq\or er\or es\or et\or eu\or
 302   ev\or ew\or ex\or ey\or ez%
 303   \or fa\or fb\or fc\or fd\or fe\or ff\or fg\or fh\or fi\or fj\or
 304   fk\or fl\or fm\or fn\or fo\or fp\or fq\or fr\or fs\or ft\or fu\or
 305   fv\or fw\or fx\or fy\or fz%
 306   \or ga\or gb\or gc\or gd\or ge\or gf\or gg\or gh\or gi\or gj\or
 307   gk\or gl\or gm\or gn\or go\or gp\or gq\or gr\or gs\or gt\or gu\or
 308   gv\or gw\or gx\or gy\or gz%
 309   \else\@ctrerr\fi}
 310
 311 \newcounter{affn}
 312 \renewcommand\theaffn{\alph{affn}}
 313
 314 \long\def\@@address[#1]#2{\g@addto@macro\elsaddress{%
 315     \def\baselinestretch{1}%
 316      \refstepcounter{affn}
 317      \xdef\@currentlabel{\theaffn}
 318      \elsLabel{#1}%
 319     \textsuperscript{\theaffn}#2\par}}
 320
 321 \long\def\@address#1{\g@addto@macro\elsauthors{%
 322     \def\baselinestretch{1}%
 323     \addsep\footnotesize\itshape#1\def\addsep{\par\vskip6pt}%
 324     \def\authorsep{\par\vskip8pt}}}
 325
 326 \newbox\absbox
 327 \renewenvironment{abstract}{\global\setbox\absbox=\vbox\bgroup
 328   \hsize=\textwidth\def\baselinestretch{1}%
 329   \noindent\unskip\textbf{Abstract}
 330  \par\medskip\noindent\unskip\ignorespaces}
 331  {\egroup}
 332
 333 \newbox\keybox
 334 \def\keyword{%
 335   \def\sep{\unskip, }%
 336  \def\MSC{\@ifnextchar[{\@MSC}{\@MSC[2000]}}
 337   \def\@MSC[##1]{\par\leavevmode\hbox {\it ##1~MSC:\space}}%
 338   \def\PACS{\par\leavevmode\hbox {\it PACS:\space}}%
 339   \def\JEL{\par\leavevmode\hbox {\it JEL:\space}}%
 340   \global\setbox\keybox=\vbox\bgroup\hsize=\textwidth
 341   \normalsize\normalfont\def\baselinestretch{1}
 342   \parskip\z@
 343   \noindent\textit{Keywords: }
 344   \raggedright                         % Keywords are not justified.
 345   \ignorespaces}
 346 \def\endkeyword{\par \egroup}
 347
 348 \newdimen\Columnwidth
 349 \Columnwidth=\columnwidth
 350
 351 \def\printFirstPageNotes{%
 352   \iflongmktitle
 353    \let\columnwidth=\textwidth\fi
 354   \ifx\@tnotes\@empty\else\@tnotes\fi
 355   \ifx\@nonumnotes\@empty\else\@nonumnotes\fi
 356   \ifx\@cornotes\@empty\else\@cornotes\fi
 357   \ifx\@elseads\@empty\relax\else
 358    \let\thefootnote\relax
 359    \footnotetext{\ifnum\theead=1\relax
 360       \textit{Email address:\space}\else
 361       \textit{Email addresses:\space}\fi
 362      \@elseads}\fi
 363   \ifx\@elsuads\@empty\relax\else
 364    \let\thefootnote\relax
 365    \footnotetext{\textit{URL:\space}%
 366      \@elsuads}\fi
 367   \ifx\@fnotes\@empty\else\@fnotes\fi
 368   \iflongmktitle\if@twocolumn
 369    \let\columnwidth=\Columnwidth\fi\fi
 370 }
 371
 372 \long\def\pprintMaketitle{\clearpage
 373   \iflongmktitle\if@twocolumn\let\columnwidth=\textwidth\fi\fi
 374   \resetTitleCounters
 375   \def\baselinestretch{1}%
 376   \printFirstPageNotes
 377   \begin{center}%
 378  \thispagestyle{pprintTitle}%
 379    \def\baselinestretch{1}%
 380     \Large\@title\par\vskip18pt
 381     \normalsize\elsauthors\par\vskip10pt
 382     \footnotesize\itshape\elsaddress\par\vskip36pt
 383     \hrule\vskip12pt
 384     \ifvoid\absbox\else\unvbox\absbox\par\vskip10pt\fi
 385     \ifvoid\keybox\else\unvbox\keybox\par\vskip10pt\fi
 386     \hrule\vskip12pt
 387     \end{center}%
 388   \gdef\thefootnote{\arabic{footnote}}%
 389   }
 390
 391 \def\printWarning{%
 392      \mbox{}\par\vfill\par\bgroup
 393      \fboxsep12pt\fboxrule1pt
 394      \hspace*{.18\textwidth}
 395      \fcolorbox{gray50}{gray10}{\box\warnbox}
 396      \egroup\par\vfill\thispagestyle{empty}
 397      \setcounter{page}{0}
 398      \clearpage}
 399
 400 \long\def\finalMaketitle{%
 401   \resetTitleCounters
 402   \def\baselinestretch{1}%
 403    \MaketitleBox
 404    \thispagestyle{pprintTitle}%
 405   \gdef\thefootnote{\arabic{footnote}}%
 406   }
 407
 408 \long\def\MaketitleBox{%
 409   \resetTitleCounters
 410   \def\baselinestretch{1}%
 411   \begin{center}%
 412    \def\baselinestretch{1}%
 413     \Large\@title\par\vskip18pt
 414     \normalsize\elsauthors\par\vskip10pt
 415     \footnotesize\itshape\elsaddress\par\vskip36pt
 416     \hrule\vskip12pt
 417     \ifvoid\absbox\else\unvbox\absbox\par\vskip10pt\fi
 418     \ifvoid\keybox\else\unvbox\keybox\par\vskip10pt\fi
 419     \hrule\vskip12pt
 420     \end{center}%
 421   }
 422
 423 \def\FNtext#1{\par\bgroup\footnotesize#1\egroup}
 424 \newdimen\space@left
 425 \def\alarm#1{\typeout{******************************}%
 426              \typeout{#1}%
 427              \typeout{******************************}%
 428 }
 429 \long\def\getSpaceLeft{%\global\@twocolumnfalse%
 430    \global\setbox0=\vbox{\hsize=\textwidth\MaketitleBox}%
 431    \global\setbox1=\vbox{\hsize=\textwidth
 432     \let\footnotetext\FNtext
 433     \printFirstPageNotes}%
 434     \xdef\noteheight{\the\ht1}%
 435     \xdef\titleheight{\the\ht0}%
 436     \@tempdima=\vsize
 437     \advance\@tempdima-\noteheight
 438     \advance\@tempdima-1\baselineskip
 439 }
 440
 441   \skip\footins=24pt
 442
 443 \newbox\els@boxa
 444 \newbox\els@boxb
 445
 446 \ifpreprint
 447   \def\maketitle{\pprintMaketitle}
 448   \else
 449    \ifnum\jtype=1
 450     \def\maketitle{%
 451       \iflongmktitle\getSpaceLeft
 452        \global\setbox\els@boxa=\vsplit0 to \@tempdima
 453        \box\els@boxa\par\resetTitleCounters
 454        \thispagestyle{pprintTitle}%
 455        \printFirstPageNotes
 456        \box0%
 457       \else
 458        \finalMaketitle\printFirstPageNotes
 459       \fi
 460     \gdef\thefootnote{\arabic{footnote}}}%
 461   \else
 462  \ifnum\jtype=5
 463     \def\maketitle{%
 464       \iflongmktitle\getSpaceLeft
 465        \global\setbox\els@boxa=\vsplit0 to \@tempdima
 466        \box\els@boxa\par\resetTitleCounters
 467        \thispagestyle{pprintTitle}%
 468        \printFirstPageNotes
 469        \twocolumn[\box0]%\printFirstPageNotes
 470       \else
 471        \twocolumn[\finalMaketitle]\printFirstPageNotes
 472      \fi
 473      \gdef\thefootnote{\arabic{footnote}}}
 474   \else
 475   \if@twocolumn
 476     \def\maketitle{%
 477       \iflongmktitle\getSpaceLeft
 478        \global\setbox\els@boxa=\vsplit0 to \@tempdima
 479        \box\els@boxa\par\resetTitleCounters
 480        \thispagestyle{pprintTitle}%
 481        \printFirstPageNotes
 482        \twocolumn[\box0]%
 483       \else
 484        \twocolumn[\finalMaketitle]\printFirstPageNotes
 485       \fi
 486      \gdef\thefootnote{\arabic{footnote}}}%
 487    \else
 488     \def\maketitle{%
 489       \iflongmktitle\getSpaceLeft
 490        \global\setbox\els@boxa=\vsplit0 to \@tempdima
 491        \box\els@boxa\par\resetTitleCounters
 492        \thispagestyle{pprintTitle}%
 493        \printFirstPageNotes
 494        \box0%
 495      \else
 496        \finalMaketitle\printFirstPageNotes
 497       \fi
 498     \gdef\thefootnote{\arabic{footnote}}}%
 499    \fi
 500   \fi
 501  \fi
 502 \fi
 503 %    \end{macrocode}
 504 %
 505 %\section{Headers/footers}
 506 %
 507 %    \begin{macrocode}
 508 \def\ps@pprintTitle{%
 509      \let\@oddhead\@empty
 510      \let\@evenhead\@empty
 511      \def\@oddfoot{\footnotesize\itshape
 512        Preprint submitted to \ifx\@journal\@empty Elsevier
 513        \else\@journal\fi\hfill\today}%
 514      \let\@evenfoot\@oddfoot}
 515 %    \end{macrocode}
 516 %
 517 % \section{Section headings}
 518 %
 519 %    \begin{macrocode}
 520 \def\@seccntDot{.}
 521 \def\@seccntformat#1{\csname the#1\endcsname\@seccntDot\hskip 0.5em}
 522
 523 \renewcommand\section{\@startsection {section}{1}{\z@}%
 524            {18\p@ \@plus 6\p@ \@minus 3\p@}%
 525            {9\p@ \@plus 6\p@ \@minus 3\p@}%
 526            {\normalsize\bfseries\boldmath}}
 527 \renewcommand\subsection{\@startsection{subsection}{2}{\z@}%
 528            {12\p@ \@plus 6\p@ \@minus 3\p@}%
 529            {3\p@ \@plus 6\p@ \@minus 3\p@}%
 530            {\normalfont\normalsize\itshape}}
 531 \renewcommand\subsubsection{\@startsection{subsubsection}{3}{\z@}%
 532            {12\p@ \@plus 6\p@ \@minus 3\p@}%
 533            {\p@}%
 534            {\normalfont\normalsize\itshape}}
 535
 536 \def\paragraph{\secdef{\els@aparagraph}{\els@bparagraph}}
 537 \def\els@aparagraph[#1]#2{\elsparagraph[#1]{#2.}}
 538 \def\els@bparagraph#1{\elsparagraph*{#1.}}
 539
 540 \newcommand\elsparagraph{\@startsection{paragraph}{4}{0\z@}%
 541            {10\p@ \@plus 6\p@ \@minus 3\p@}%
 542            {-6\p@}%
 543            {\normalfont\itshape}}
 544 %    \end{macrocode}
 545 %
 546 %\section{List environment}
 547 %
 548 %    \begin{macrocode}
 549 \newdimen\leftMargin
 550 \leftMargin=2em
 551 \newtoks\@enLab  %\newtoks\@enfont
 552 \def\@enQmark{?}
 553 \def\@enLabel#1#2{%
 554   \edef\@enThe{\noexpand#1{\@enumctr}}%
 555   \@enLab\expandafter{\the\@enLab\csname the\@enumctr\endcsname}%
 556   \@enloop}
 557 \def\@enSpace{\afterassignment\@enSp@ce\let\@tempa= }
 558 \def\@enSp@ce{\@enLab\expandafter{\the\@enLab\space}\@enloop}
 559 \def\@enGroup#1{\@enLab\expandafter{\the\@enLab{#1}}\@enloop}
 560 \def\@enOther#1{\@enLab\expandafter{\the\@enLab#1}\@enloop}
 561 \def\@enloop{\futurelet\@entemp\@enloop@}
 562 \def\@enloop@{%
 563   \ifx A\@entemp         \def\@tempa{\@enLabel\Alph  }\else
 564   \ifx a\@entemp         \def\@tempa{\@enLabel\alph  }\else
 565   \ifx i\@entemp         \def\@tempa{\@enLabel\roman }\else
 566   \ifx I\@entemp         \def\@tempa{\@enLabel\Roman }\else
 567   \ifx 1\@entemp         \def\@tempa{\@enLabel\arabic}\else
 568   \ifx \@sptoken\@entemp \let\@tempa\@enSpace         \else
 569   \ifx \bgroup\@entemp   \let\@tempa\@enGroup         \else
 570   \ifx \@enum@\@entemp   \let\@tempa\@gobble          \else
 571                          \let\@tempa\@enOther
 572              \fi\fi\fi\fi\fi\fi\fi\fi
 573   \@tempa}
 574 \newlength{\@sep} \newlength{\@@sep}
 575 \setlength{\@sep}{.5\baselineskip plus.2\baselineskip
 576             minus.2\baselineskip}
 577 \setlength{\@@sep}{.1\baselineskip plus.01\baselineskip
 578             minus.05\baselineskip}
 579 \providecommand{\sfbc}{\rmfamily\upshape}
 580 \providecommand{\sfn}{\rmfamily\upshape}
 581 \def\@enfont{\ifnum \@enumdepth >1\let\@nxt\sfn \else\let\@nxt\sfbc \fi\@nxt}
 582 \def\enumerate{%
 583    \ifnum \@enumdepth >3 \@toodeep\else
 584       \advance\@enumdepth \@ne
 585       \edef\@enumctr{enum\romannumeral\the\@enumdepth}\fi
 586    \@ifnextchar[{\@@enum@}{\@enum@}}
 587 \def\@@enum@[#1]{%
 588   \@enLab{}\let\@enThe\@enQmark
 589   \@enloop#1\@enum@
 590   \ifx\@enThe\@enQmark\@warning{The counter will not be printed.%
 591    ^^J\space\@spaces\@spaces\@spaces The label is: \the\@enLab}\fi
 592   \expandafter\edef\csname label\@enumctr\endcsname{\the\@enLab}%
 593   \expandafter\let\csname the\@enumctr\endcsname\@enThe
 594   \csname c@\@enumctr\endcsname7
 595   \expandafter\settowidth
 596             \csname leftmargin\romannumeral\@enumdepth\endcsname
 597             {\the\@enLab\hskip\labelsep}%
 598   \@enum@}
 599 \def\@enum@{\list{{\@enfont\csname label\@enumctr\endcsname}}%
 600            {\usecounter{\@enumctr}\def\makelabel##1{\hss\llap{##1}}%
 601      \ifnum \@enumdepth>1\setlength{\topsep}{\@@sep}\else
 602            \setlength{\topsep}{\@sep}\fi
 603      \ifnum \@enumdepth>1\setlength{\itemsep}{0pt plus1pt minus1pt}%
 604       \else \setlength{\itemsep}{\@@sep}\fi
 605      %\setlength\leftmargin{\leftMargin}%%%{1.8em}
 606      \setlength{\parsep}{0pt plus1pt minus1pt}%
 607      \setlength{\parskip}{0pt plus1pt minus1pt}
 608                    }}
 609
 610 \def\endenumerate{\par\ifnum \@enumdepth >1\addvspace{\@@sep}\else
 611            \addvspace{\@sep}\fi \endlist}
 612
 613 \def\sitem{\@noitemargtrue\@item[\@itemlabel *]}
 614
 615 \def\itemize{\@ifnextchar[{\@Itemize}{\@Itemize[]}}
 616
 617 \def\@Itemize[#1]{\def\next{#1}%
 618   \ifnum \@itemdepth >\thr@@\@toodeep\else
 619    \advance\@itemdepth\@ne
 620   \ifx\next\@empty\else\expandafter\def\csname
 621    labelitem\romannumeral\the\@itemdepth\endcsname{#1}\fi%
 622   \edef\@itemitem{labelitem\romannumeral\the\@itemdepth}%
 623   \expandafter\list\csname\@itemitem\endcsname
 624   {\def\makelabel##1{\hss\llap{##1}}}%
 625  \fi}
 626 %    \end{macrocode}
 627 %
 628 %\section{Theorem environment}
 629 %
 630 %    \begin{macrocode}
 631 \def\newdefinition#1{%
 632   \@ifnextchar[{\@odfn{#1}}{\@ndfn{#1}}}%]
 633 \def\@ndfn#1#2{%
 634   \@ifnextchar[{\@xndfn{#1}{#2}}{\@yndfn{#1}{#2}}}
 635 \def\@xndfn#1#2[#3]{%
 636   \expandafter\@ifdefinable\csname #1\endcsname
 637     {\@definecounter{#1}\@newctr{#1}[#3]%
 638      \expandafter\xdef\csname the#1\endcsname{%
 639        \expandafter\noexpand\csname the#3\endcsname \@dfncountersep
 640           \@dfncounter{#1}}%
 641      \global\@namedef{#1}{\@dfn{#1}{#2}}%
 642      \global\@namedef{end#1}{\@enddefinition}}}
 643 \def\@yndfn#1#2{%
 644   \expandafter\@ifdefinable\csname #1\endcsname
 645     {\@definecounter{#1}%
 646      \expandafter\xdef\csname the#1\endcsname{\@dfncounter{#1}}%
 647      \global\@namedef{#1}{\@dfn{#1}{#2}}%
 648      \global\@namedef{end#1}{\@enddefinition}}}
 649 \def\@odfn#1[#2]#3{%
 650   \@ifundefined{c@#2}{\@nocounterr{#2}}%
 651     {\expandafter\@ifdefinable\csname #1\endcsname
 652     {\global\@namedef{the#1}{\@nameuse{the#2}}
 653   \global\@namedef{#1}{\@dfn{#2}{#3}}%
 654   \global\@namedef{end#1}{\@enddefinition}}}}
 655 \def\@dfn#1#2{%
 656   \refstepcounter{#1}%
 657   \@ifnextchar[{\@ydfn{#1}{#2}}{\@xdfn{#1}{#2}}}
 658 \def\@xdfn#1#2{%
 659   \@begindefinition{#2}{\csname the#1\endcsname}\ignorespaces}
 660 \def\@ydfn#1#2[#3]{%
 661   \@opargbegindefinition{#2}{\csname the#1\endcsname}{#3}\ignorespaces}
 662 \def\@dfncounter#1{\noexpand\arabic{#1}}
 663 \def\@dfncountersep{.}
 664 \def\@begindefinition#1#2{\trivlist
 665    \item[\hskip\labelsep{\bfseries #1\ #2.}]\upshape}
 666 \def\@opargbegindefinition#1#2#3{\trivlist
 667       \item[\hskip\labelsep{\bfseries #1\ #2\ (#3).}]\upshape}
 668 \def\@enddefinition{\endtrivlist}
 669
 670 \def\@begintheorem#1#2{\trivlist
 671   \let\baselinestretch\@blstr
 672    \item[\hskip \labelsep{\bfseries #1\ #2.}]\itshape}
 673 \def\@opargbegintheorem#1#2#3{\trivlist
 674   \let\baselinestretch\@blstr
 675       \item[\hskip \labelsep{\bfseries #1\ #2\ (#3).}]\itshape}
 676
 677 \def\newproof#1{%
 678   \@ifnextchar[{\@oprf{#1}}{\@nprf{#1}}}
 679 \def\@nprf#1#2{%
 680   \@ifnextchar[{\@xnprf{#1}{#2}}{\@ynprf{#1}{#2}}}
 681 \def\@xnprf#1#2[#3]{%
 682   \expandafter\@ifdefinable\csname #1\endcsname
 683     {\@definecounter{#1}\@newctr{#1}[#3]%
 684      \expandafter\xdef\csname the#1\endcsname{%
 685        \expandafter\noexpand\csname the#3\endcsname \@prfcountersep
 686           \@prfcounter{#1}}%
 687      \global\@namedef{#1}{\@prf{#1}{#2}}%
 688      \global\@namedef{end#1}{\@endproof}}}
 689 \def\@ynprf#1#2{%
 690   \expandafter\@ifdefinable\csname #1\endcsname
 691     {\@definecounter{#1}%
 692      \expandafter\xdef\csname the#1\endcsname{\@prfcounter{#1}}%
 693      \global\@namedef{#1}{\@prf{#1}{#2}}%
 694      \global\@namedef{end#1}{\@endproof}}}
 695 \def\@oprf#1[#2]#3{%
 696   \@ifundefined{c@#2}{\@nocounterr{#2}}%
 697     {\expandafter\@ifdefinable\csname #1\endcsname
 698     {\global\@namedef{the#1}{\@nameuse{the#2}}%
 699   \global\@namedef{#1}{\@prf{#2}{#3}}%
 700   \global\@namedef{end#1}{\@endproof}}}}
 701 \def\@prf#1#2{%
 702   \refstepcounter{#1}%
 703   \@ifnextchar[{\@yprf{#1}{#2}}{\@xprf{#1}{#2}}}
 704 \def\@xprf#1#2{%
 705   \@beginproof{#2}{\csname the#1\endcsname}\ignorespaces}
 706 \def\@yprf#1#2[#3]{%
 707   \@opargbeginproof{#2}{\csname the#1\endcsname}{#3}\ignorespaces}
 708 \def\@prfcounter#1{\noexpand\arabic{#1}}
 709 \def\@prfcountersep{.}
 710 \def\@beginproof#1#2{\trivlist\let\baselinestretch\@blstr
 711    \item[\hskip \labelsep{\scshape #1.}]\rmfamily}
 712 \def\@opargbeginproof#1#2#3{\trivlist\let\baselinestretch\@blstr
 713       \item[\hskip \labelsep{\scshape #1\ (#3).}]\rmfamily}
 714 \def\@endproof{\endtrivlist}
 715 \newcommand*{\qed}{\hbox{}\hfill$\Box$}
 716
 717 \@ifundefined{@biboptions}{\xdef\@biboptions{numbers}}{}
 718 \InputIfFileExists{\jobname.spl}{}{}
 719 \RequirePackage[\@biboptions]{natbib}
 720
 721 \newwrite\splwrite
 722 \immediate\openout\splwrite=\jobname.spl
 723 \def\biboptions#1{\def\next{#1}\immediate\write\splwrite{%
 724    \string\g@addto@macro\string\@biboptions{%
 725     ,\expandafter\strip@prefix\meaning\next}}}
 726
 727 \let\baselinestretch=\@blstr
 728
 729 %    \end{macrocode}
 730 %
 731 %\section{Page dimensions and margins for final form}
 732 %
 733 %\subsection{Option 1p}
 734 %
 735 %    \begin{macrocode}
 736 \ifnum\jtype=1
 737  \RequirePackage{geometry}
 738  \geometry{twoside,
 739   paperwidth=210mm,
 740   paperheight=297mm,
 741   textheight=562pt,
 742   textwidth=384pt,
 743   centering,
 744   headheight=50pt,
 745   headsep=12pt,
 746   footskip=12pt,
 747   footnotesep=24pt plus 2pt minus 12pt,
 748  }
 749  \global\let\bibfont=\footnotesize
 750  \global\bibsep=0pt
 751  \if@twocolumn\global\@twocolumnfalse\fi
 752 %
 753 %    \end{macrocode}
 754 %
 755 %\subsection{Option '3p'}
 756 %
 757 %    \begin{macrocode}
 758 \else\ifnum\jtype=3
 759  \RequirePackage{geometry}
 760  \geometry{twoside,
 761   paperwidth=210mm,
 762   paperheight=297mm,
 763   textheight=622pt,
 764   textwidth=468pt,
 765   centering,
 766   headheight=50pt,
 767   headsep=12pt,
 768   footskip=18pt,
 769   footnotesep=24pt plus 2pt minus 12pt,
 770   columnsep=2pc
 771  }
 772  \global\let\bibfont=\footnotesize
 773  \global\bibsep=0pt
 774  \if@twocolumn\input{fleqn.clo}\fi
 775 %    \end{macrocode}
 776 %
 777 %\subsection{Option '5p'}
 778 %
 779 %    \begin{macrocode}
 780 \else\ifnum\jtype=5
 781  \RequirePackage{geometry}
 782  \geometry{twoside,
 783   paperwidth=210mm,
 784   paperheight=297mm,
 785   textheight=682pt,
 786   textwidth=522pt,
 787   centering,
 788  headheight=50pt,
 789   headsep=12pt,
 790   footskip=18pt,
 791   footnotesep=24pt plus 2pt minus 12pt,
 792   columnsep=18pt
 793  }%
 794  \global\let\bibfont=\footnotesize
 795  \global\bibsep=0pt
 796  \input{fleqn.clo}
 797  \global\@twocolumntrue
 798 %%
 799 %% End of option '5p'
 800 %%
 801 \fi\fi\fi
 802 %    \end{macrocode}
 803 %
 804 %\section{Other items}
 805 %
 806 %    \begin{macrocode}
 807 \def\journal#1{\gdef\@journal{#1}}
 808  \let\@journal\@empty
 809 \newenvironment{frontmatter}{}{\maketitle}
 810
 811 \long\def\@makecaption#1#2{%
 812   \vskip\abovecaptionskip\footnotesize
 813   \sbox\@tempboxa{#1: #2}%
 814   \ifdim \wd\@tempboxa >\hsize
 815     #1: #2\par
 816   \else
 817     \global \@minipagefalse
 818     \hb@xt@\hsize{\hfil\box\@tempboxa\hfil}%
 819   \fi
 820   \vskip\belowcaptionskip}
 821
 822 \AtBeginDocument{\@ifpackageloaded{hyperref}
 823   {\def\@linkcolor{blue}
 824    \def\@anchorcolor{blue}
 825    \def\@citecolor{blue}
 826    \def\@filecolor{blue}
 827    \def\@urlcolor{blue}
 828    \def\@menucolor{blue}
 829    \def\@pagecolor{blue}
 830 \begingroup
 831   \@makeother\`%
 832   \@makeother\=%
 833   \edef\x{%
 834     \edef\noexpand\x{%
 835       \endgroup
 836       \noexpand\toks@{%
 837         \catcode 96=\noexpand\the\catcode`\noexpand\`\relax
 838         \catcode 61=\noexpand\the\catcode`\noexpand\=\relax
 839       }%
 840     }%
 841     \noexpand\x
 842   }%
 843 \x
 844 \@makeother\`
 845 \@makeother\=
 846 }{}}
 847 %%
 848 \renewcommand\appendix{\par
 849   \setcounter{section}{0}%
 850   \setcounter{subsection}{0}%
 851   \setcounter{equation}{0}
 852   \gdef\thefigure{\@Alph\c@section.\arabic{figure}}%
 853   \gdef\thetable{\@Alph\c@section.\arabic{table}}%
 854   \gdef\thesection{\appendixname\@Alph\c@section}%
 855   \@addtoreset{equation}{section}%
 856   \gdef\theequation{\@Alph\c@section.\arabic{equation}}%
 857 }
 858 \def\appendixname{Appendix }
 859
 860 %% Added for work with amsrefs.sty
 861
 862 \@ifpackageloaded{amsrefs}%
 863   {}
 864   {\let\bibsection\relax%
 865   \AtBeginDocument{\def\cites@b#1#2,#3{%
 866     \begingroup[%
 867         \toks@{\InnerCite{#2}#1}%
 868         \ifx\@empty#3\@xp\@gobble\fi
 869         \cites@c#3%
 870 }}}
 871 %
 872 %%
 873 %</class>
 874 %
 875 %    \end{macrocode}
 876 % \Finale
 877 \endinput
 878
 879 %%
 880 %% End of file 'elsarticle.dtx'
 881 %%
 882