elsarticle.cls

   1 %%
   2 %% This is file `elsarticle.cls',
   3 %% generated with the docstrip utility.
   4 %%
   5 %% The original source files were:
   6 %%
   7 %% elsarticle.dtx  (with options: `class')
   8 %%
   9 %% Copyright 2007, 2008, 2009 Elsevier Ltd
  10 %%
  11 %% This file is part of the 'Elsarticle Bundle'.
  12 %% -------------------------------------------
  13 %%
  14 %% It may be distributed under the conditions of the LaTeX Project Public
  15 %% License, either version 1.2 of this license or (at your option) any
  16 %% later version.  The latest version of this license is in
  17 %%    http://www.latex-project.org/lppl.txt
  18 %% and version 1.2 or later is part of all distributions of LaTeX
  19 %% version 1999/12/01 or later.
  20 %%
  21 %% The list of all files belonging to the 'Elsarticle Bundle' is
  22 %% given in the file `manifest.txt'.
  23 %%
  24 %%
  25 %% $Id: elsarticle.dtx 19 2009-12-17 07:07:52Z rishi $
  26 %%
  27  \def\RCSfile{elsarticle}%
  28  \def\RCSversion{1.20b}%
  29  \def\RCSdate{2009/09/17}%
  30  \def\@shortjnl{\relax}
  31  \def\@journal{Elsevier Ltd} \def\@company{Elsevier Ltd}
  32  \def\@issn{000-0000}
  33  \def\@shortjid{elsarticle}
  34 \NeedsTeXFormat{LaTeX2e}[1995/12/01]
  35 \ProvidesClass{\@shortjid}[\RCSdate, \RCSversion: \@journal]
  36 \def\ABD{\AtBeginDocument}
  37 \newif\ifpreprint \preprintfalse
  38 \newif\iflongmktitle \longmktitlefalse
  39
  40 \def\@blstr{1}
  41 \newdimen\@bls
  42 \@bls=\baselineskip
  43
  44 \def\@finalWarning{%
  45   *****************************************************\MessageBreak
  46    This document is typeset in the CRC style which\MessageBreak
  47    is not suitable for submission.\MessageBreak
  48    \MessageBreak
  49    Please typeset again using 'preprint' option\MessageBreak
  50    for creating PDF suitable for submission.\MessageBreak
  51   ******************************************************\MessageBreak
  52 }
  53
  54 \DeclareOption{preprint}{\global\preprinttrue
  55   \gdef\@blstr{1}\xdef\jtype{0}%
  56    \AtBeginDocument{\@twosidefalse\@mparswitchfalse}}
  57 \DeclareOption{final}{\gdef\@blstr{1}\global\preprintfalse}
  58 \DeclareOption{review}{\global\preprinttrue\gdef\@blstr{1.5}}
  59 \DeclareOption{authoryear}{\xdef\@biboptions{round,authoryear}}
  60 \DeclareOption{number}{\xdef\@biboptions{numbers}}
  61 \DeclareOption{numbers}{\xdef\@biboptions{numbers}}
  62 \DeclareOption{longtitle}{\global\longmktitletrue}
  63 \DeclareOption{5p}{\xdef\jtype{5}\global\preprintfalse
  64   \ExecuteOptions{twocolumn}}
  65   \def\jtype{0}
  66 \DeclareOption{3p}{\xdef\jtype{3}\global\preprintfalse}
  67 \DeclareOption{1p}{\xdef\jtype{1}\global\preprintfalse
  68   \AtBeginDocument{\@twocolumnfalse}}
  69 \DeclareOption{times}{\IfFileExists{txfonts.sty}%
  70   {\AtEndOfClass{\RequirePackage{txfonts}%
  71   \gdef\ttdefault{cmtt}%
  72    \let\iint\relax
  73   \let\iiint\relax
  74   \let\iiiint\relax
  75   \let\idotsint\relax
  76   \let\openbox\relax}}{\RequirePackage{times}}}
  77 \ExecuteOptions{a4paper,10pt,oneside,onecolumn,number,preprint}
  78 \DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}}
  79 \ProcessOptions
  80 \LoadClass{article}
  81 \RequirePackage{graphicx}
  82 \let\comma\@empty
  83 \let\tnotesep\@empty
  84 \def\title#1{\gdef\@title{#1}}
  85 \let\@title\@empty
  86
  87 \def\elsLabel#1{\@bsphack\protected@write\@auxout{}%
  88          {\string\Newlabel{#1}{\@currentlabel}}\@esphack}
  89 \def\Newlabel#1#2{\expandafter\xdef\csname X@#1\endcsname{#2}}
  90
  91 \def\elsRef#1{\@ifundefined{X@#1}{0}{\csname X@#1\endcsname}%
  92 }
  93
  94 \def\tnotemark[#1]{\textsuperscript{\@for\@@tmark:=#1\do{%
  95       \edef\tnotenum{\@ifundefined{X@\@@tmark}{1}{\elsRef{\@@tmark}}}%
  96       \ifcase\tnotenum\or\ding{73}\or,\ding{73}\ding{73}\fi}}%
  97 }
  98 \let\@tnotemark\@empty
  99
 100 \let\@tnotes\@empty
 101 \RequirePackage{pifont}
 102 \newcounter{tnote}
 103 \def\tnotetext[#1]#2{\g@addto@macro\@tnotes{%
 104   \refstepcounter{tnote}\elsLabel{#1}%
 105    \def\thefootnote{\ifcase\c@tnote\or\ding{73}\or\ding{73}\ding{73}\fi}%
 106     \footnotetext{#2}}}
 107
 108 \let\@nonumnotes\@empty
 109 \def\nonumnote#1{\g@addto@macro\@nonumnotes{%
 110      \let\thefootnote\relax\footnotetext{#1}}}
 111
 112 \newcounter{fnote}
 113 \def\fnmark[#1]{\let\comma\@empty
 114     \def\@fnmark{\@for\@@fnmark:=#1\do{%
 115     \edef\fnotenum{\@ifundefined{X@\@@fnmark}{1}{\elsRef{\@@fnmark}}}%
 116   \unskip\comma\fnotenum\let\comma,}}%
 117 }
 118
 119 \let\@fnotes\@empty\let\@fnmark\@empty
 120 \def\fntext[#1]#2{\g@addto@macro\@fnotes{%
 121      \refstepcounter{fnote}\elsLabel{#1}%
 122    \def\thefootnote{\thefnote}%
 123    \global\setcounter{footnote}{\thefnote}%
 124    \footnotetext{#2}}}
 125
 126 \def\cormark[#1]{\edef\cnotenum{\elsRef{#1}}%
 127     \unskip\textsuperscript{\sep\ifcase\cnotenum\or
 128        $\ast$\or$\ast\ast$\fi\hspace{-1pt}}\let\sep=,}
 129
 130 \let\@cormark\@empty
 131 \let\@cornotes\@empty
 132 \newcounter{cnote}
 133 \def\cortext[#1]#2{\g@addto@macro\@cornotes{%
 134     \refstepcounter{cnote}\elsLabel{#1}%
 135     \def\thefootnote{\ifcase\thecnote\or$\ast$\or
 136     $\ast\ast$\fi}%
 137     \footnotetext{#2}}}
 138
 139 \let\@corref\@empty
 140 \def\corref#1{\edef\cnotenum{\elsRef{#1}}%
 141     \edef\@corref{\ifcase\cnotenum\or
 142          $\ast$\or$\ast\ast$\fi\hskip-1pt}}
 143
 144 \def\fnref#1{\fnmark[#1]}
 145 \def\tnoteref#1{\tnotemark[#1]}
 146
 147 \def\resetTitleCounters{\c@cnote=0
 148    \c@fnote=0 \c@tnote=0 \c@footnote=0}
 149
 150 \let\eadsep\@empty
 151 \let\@elseads\@empty
 152 \let\@elsuads\@empty
 153 \let\@cormark\@empty
 154 \def\hashchar{\expandafter\@gobble\string\~}
 155 \def\underscorechar{\expandafter\@gobble\string\_}
 156 \def\lbracechar{\expandafter\@gobble\string\{}
 157 \def\rbracechar{\expandafter\@gobble\string\}}
 158
 159 \def\ead{\@ifnextchar[{\@uad}{\@ead}}
 160 \gdef\@ead#1{\bgroup\def\_{\string\underscorechar\space}%
 161   \def\{{\string\lbracechar\space}%
 162    \def~{\hashchar\space}%
 163    \def\}{\string\rbracechar\space}%
 164    \edef\tmp{\the\@eadauthor}
 165    \immediate\write\@auxout{\string\emailauthor
 166      {#1}{\expandafter\strip@prefix\meaning\tmp}}%
 167   \egroup
 168 }
 169 \newcounter{ead}
 170 \gdef\emailauthor#1#2{\stepcounter{ead}%
 171      \g@addto@macro\@elseads{\raggedright%
 172       \let\corref\@gobble
 173       \eadsep\texttt{#1} (#2)\def\eadsep{\unskip,\space}}%
 174 }
 175 \gdef\@uad[#1]#2{\bgroup
 176   \def~{\string\hashchar\space}%
 177   \def\_{\string\underscorechar\space}%
 178    \edef\tmp{\the\@eadauthor}
 179    \immediate\write\@auxout{\string\urlauthor
 180      {#2}{\expandafter\strip@prefix\meaning\tmp}}%
 181   \egroup
 182 }
 183 \def\urlauthor#1#2{\g@addto@macro\@elsuads{\let\corref\@gobble%
 184      \raggedright\eadsep\texttt{#1}\space(#2)%
 185      \def\eadsep{\unskip,\space}}%
 186 }
 187
 188 \def\elsauthors{}
 189 \def\pprinttitle{}
 190 \let\authorsep\@empty
 191 \let\sep\@empty
 192 \newcounter{author}
 193 \def\author{\@ifnextchar[{\@@author}{\@author}}
 194
 195 \newtoks\@eadauthor
 196 \def\@@author[#1]#2{\g@addto@macro\elsauthors{%
 197     \def\baselinestretch{1}%
 198     \authorsep#2\unskip\textsuperscript{%#1%
 199       \@for\@@affmark:=#1\do{%
 200        \edef\affnum{\@ifundefined{X@\@@affmark}{1}{\elsRef{\@@affmark}}}%
 201      \unskip\sep\affnum\let\sep=,}%
 202       \ifx\@fnmark\@empty\else\unskip\sep\@fnmark\let\sep=,\fi
 203       \ifx\@corref\@empty\else\unskip\sep\@corref\let\sep=,\fi
 204       }%
 205     \def\authorsep{\unskip,\space}%
 206     \global\let\sep\@empty\global\let\@corref\@empty
 207     \global\let\@fnmark\@empty}%
 208     \@eadauthor={#2}
 209 }
 210
 211 \def\@author#1{\g@addto@macro\elsauthors{\normalsize%
 212     \def\baselinestretch{1}%
 213     \upshape\authorsep#1\unskip\textsuperscript{%
 214       \ifx\@fnmark\@empty\else\unskip\sep\@fnmark\let\sep=,\fi
 215       \ifx\@corref\@empty\else\unskip\sep\@corref\let\sep=,\fi
 216       }%
 217     \def\authorsep{\unskip,\space}%
 218     \global\let\@fnmark\@empty
 219     \global\let\@corref\@empty
 220     \global\let\sep\@empty}%
 221     \@eadauthor={#1}
 222 }
 223
 224 \def\elsaddress{}
 225 \def\addsep{\par\vskip6pt}
 226 \def\address{\@ifnextchar[{\@@address}{\@address}}
 227
 228 \def\@alph#1{%
 229   \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
 230   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
 231   y\or z%
 232   \or aa\or ab\or ac\or ad\or ae\or af\or ag\or ah\or ai\or aj\or
 233   ak\or al\or am\or an\or ao\or ap\or aq\or ar\or as\or at\or au\or
 234   av\or aw\or ax\or ay\or az%
 235   \or ba\or bb\or bc\or bd\or be\or bf\or bg\or bh\or bi\or bj\or
 236   bk\or bl\or bm\or bn\or bo\or bp\or bq\or br\or bs\or bt\or bu\or
 237   bv\or bw\or bx\or by\or bz%
 238   \or ca\or cb\or cc\or cd\or ce\or cf\or cg\or ch\or ci\or cj\or
 239   ck\or cl\or cm\or cn\or co\or cp\or cq\or cr\or cs\or ct\or cu\or
 240   cv\or cw\or cx\or cy\or cz%
 241   \or da\or db\or dc\or dd\or de\or df\or dg\or dh\or di\or dj\or
 242   dk\or dl\or dm\or dn\or do\or dp\or dq\or dr\or ds\or dt\or du\or
 243   dv\or dw\or dx\or dy\or dz%
 244   \or ea\or eb\or ec\or ed\or ee\or ef\or eg\or eh\or ei\or ej\or
 245   ek\or el\or em\or en\or eo\or ep\or eq\or er\or es\or et\or eu\or
 246   ev\or ew\or ex\or ey\or ez%
 247   \or fa\or fb\or fc\or fd\or fe\or ff\or fg\or fh\or fi\or fj\or
 248   fk\or fl\or fm\or fn\or fo\or fp\or fq\or fr\or fs\or ft\or fu\or
 249   fv\or fw\or fx\or fy\or fz%
 250   \or ga\or gb\or gc\or gd\or ge\or gf\or gg\or gh\or gi\or gj\or
 251   gk\or gl\or gm\or gn\or go\or gp\or gq\or gr\or gs\or gt\or gu\or
 252   gv\or gw\or gx\or gy\or gz%
 253   \else\@ctrerr\fi}
 254
 255 \newcounter{affn}
 256 \renewcommand\theaffn{\alph{affn}}
 257
 258 \long\def\@@address[#1]#2{\g@addto@macro\elsaddress{%
 259     \def\baselinestretch{1}%
 260      \refstepcounter{affn}
 261      \xdef\@currentlabel{\theaffn}
 262      \elsLabel{#1}%
 263     \textsuperscript{\theaffn}#2\par}}
 264
 265 \long\def\@address#1{\g@addto@macro\elsauthors{%
 266     \def\baselinestretch{1}%
 267     \addsep\footnotesize\itshape#1\def\addsep{\par\vskip6pt}%
 268     \def\authorsep{\par\vskip8pt}}}
 269
 270 \newbox\absbox
 271 \renewenvironment{abstract}{\global\setbox\absbox=\vbox\bgroup
 272   \hsize=\textwidth\def\baselinestretch{1}%
 273   \noindent\unskip\textbf{Abstract}
 274  \par\medskip\noindent\unskip\ignorespaces}
 275  {\egroup}
 276
 277 \newbox\keybox
 278 \def\keyword{%
 279   \def\sep{\unskip, }%
 280  \def\MSC{\@ifnextchar[{\@MSC}{\@MSC[2000]}}
 281   \def\@MSC[##1]{\par\leavevmode\hbox {\it ##1~MSC:\space}}%
 282   \def\PACS{\par\leavevmode\hbox {\it PACS:\space}}%
 283   \def\JEL{\par\leavevmode\hbox {\it JEL:\space}}%
 284   \global\setbox\keybox=\vbox\bgroup\hsize=\textwidth
 285   \normalsize\normalfont\def\baselinestretch{1}
 286   \parskip\z@
 287   \noindent\textit{Keywords: }
 288   \raggedright                         % Keywords are not justified.
 289   \ignorespaces}
 290 \def\endkeyword{\par \egroup}
 291
 292 \newdimen\Columnwidth
 293 \Columnwidth=\columnwidth
 294
 295 \def\printFirstPageNotes{%
 296   \iflongmktitle
 297    \let\columnwidth=\textwidth\fi
 298   \ifx\@tnotes\@empty\else\@tnotes\fi
 299   \ifx\@nonumnotes\@empty\else\@nonumnotes\fi
 300   \ifx\@cornotes\@empty\else\@cornotes\fi
 301   \ifx\@elseads\@empty\relax\else
 302    \let\thefootnote\relax
 303    \footnotetext{\ifnum\theead=1\relax
 304       \textit{Email address:\space}\else
 305       \textit{Email addresses:\space}\fi
 306      \@elseads}\fi
 307   \ifx\@elsuads\@empty\relax\else
 308    \let\thefootnote\relax
 309    \footnotetext{\textit{URL:\space}%
 310      \@elsuads}\fi
 311   \ifx\@fnotes\@empty\else\@fnotes\fi
 312   \iflongmktitle\if@twocolumn
 313    \let\columnwidth=\Columnwidth\fi\fi
 314 }
 315
 316 \long\def\pprintMaketitle{\clearpage
 317   \iflongmktitle\if@twocolumn\let\columnwidth=\textwidth\fi\fi
 318   \resetTitleCounters
 319   \def\baselinestretch{1}%
 320   \printFirstPageNotes
 321   \begin{center}%
 322  \thispagestyle{pprintTitle}%
 323    \def\baselinestretch{1}%
 324     \Large\@title\par\vskip18pt
 325     \normalsize\elsauthors\par\vskip10pt
 326     \footnotesize\itshape\elsaddress\par\vskip36pt
 327     \hrule\vskip12pt
 328     \ifvoid\absbox\else\unvbox\absbox\par\vskip10pt\fi
 329     \ifvoid\keybox\else\unvbox\keybox\par\vskip10pt\fi
 330     \hrule\vskip12pt
 331     \end{center}%
 332   \gdef\thefootnote{\arabic{footnote}}%
 333   }
 334
 335 \def\printWarning{%
 336      \mbox{}\par\vfill\par\bgroup
 337      \fboxsep12pt\fboxrule1pt
 338      \hspace*{.18\textwidth}
 339      \fcolorbox{gray50}{gray10}{\box\warnbox}
 340      \egroup\par\vfill\thispagestyle{empty}
 341      \setcounter{page}{0}
 342      \clearpage}
 343
 344 \long\def\finalMaketitle{%
 345   \resetTitleCounters
 346   \def\baselinestretch{1}%
 347    \MaketitleBox
 348    \thispagestyle{pprintTitle}%
 349   \gdef\thefootnote{\arabic{footnote}}%
 350   }
 351
 352 \long\def\MaketitleBox{%
 353   \resetTitleCounters
 354   \def\baselinestretch{1}%
 355   \begin{center}%
 356    \def\baselinestretch{1}%
 357     \Large\@title\par\vskip18pt
 358     \normalsize\elsauthors\par\vskip10pt
 359     \footnotesize\itshape\elsaddress\par\vskip36pt
 360     \hrule\vskip12pt
 361     \ifvoid\absbox\else\unvbox\absbox\par\vskip10pt\fi
 362     \ifvoid\keybox\else\unvbox\keybox\par\vskip10pt\fi
 363     \hrule\vskip12pt
 364     \end{center}%
 365   }
 366
 367 \def\FNtext#1{\par\bgroup\footnotesize#1\egroup}
 368 \newdimen\space@left
 369 \def\alarm#1{\typeout{******************************}%
 370              \typeout{#1}%
 371              \typeout{******************************}%
 372 }
 373 \long\def\getSpaceLeft{%\global\@twocolumnfalse%
 374    \global\setbox0=\vbox{\hsize=\textwidth\MaketitleBox}%
 375    \global\setbox1=\vbox{\hsize=\textwidth
 376     \let\footnotetext\FNtext
 377     \printFirstPageNotes}%
 378     \xdef\noteheight{\the\ht1}%
 379     \xdef\titleheight{\the\ht0}%
 380     \@tempdima=\vsize
 381     \advance\@tempdima-\noteheight
 382     \advance\@tempdima-1\baselineskip
 383 }
 384
 385   \skip\footins=24pt
 386
 387 \newbox\els@boxa
 388 \newbox\els@boxb
 389
 390 \ifpreprint
 391   \def\maketitle{\pprintMaketitle}
 392   \else
 393    \ifnum\jtype=1
 394     \def\maketitle{%
 395       \iflongmktitle\getSpaceLeft
 396        \global\setbox\els@boxa=\vsplit0 to \@tempdima
 397        \box\els@boxa\par\resetTitleCounters
 398        \thispagestyle{pprintTitle}%
 399        \printFirstPageNotes
 400        \box0%
 401       \else
 402        \finalMaketitle\printFirstPageNotes
 403       \fi
 404     \gdef\thefootnote{\arabic{footnote}}}%
 405   \else
 406  \ifnum\jtype=5
 407     \def\maketitle{%
 408       \iflongmktitle\getSpaceLeft
 409        \global\setbox\els@boxa=\vsplit0 to \@tempdima
 410        \box\els@boxa\par\resetTitleCounters
 411        \thispagestyle{pprintTitle}%
 412        \printFirstPageNotes
 413        \twocolumn[\box0]%\printFirstPageNotes
 414       \else
 415        \twocolumn[\finalMaketitle]\printFirstPageNotes
 416      \fi
 417      \gdef\thefootnote{\arabic{footnote}}}
 418   \else
 419   \if@twocolumn
 420     \def\maketitle{%
 421       \iflongmktitle\getSpaceLeft
 422        \global\setbox\els@boxa=\vsplit0 to \@tempdima
 423        \box\els@boxa\par\resetTitleCounters
 424        \thispagestyle{pprintTitle}%
 425        \printFirstPageNotes
 426        \twocolumn[\box0]%
 427       \else
 428        \twocolumn[\finalMaketitle]\printFirstPageNotes
 429       \fi
 430      \gdef\thefootnote{\arabic{footnote}}}%
 431    \else
 432     \def\maketitle{%
 433       \iflongmktitle\getSpaceLeft
 434        \global\setbox\els@boxa=\vsplit0 to \@tempdima
 435        \box\els@boxa\par\resetTitleCounters
 436        \thispagestyle{pprintTitle}%
 437        \printFirstPageNotes
 438        \box0%
 439      \else
 440        \finalMaketitle\printFirstPageNotes
 441       \fi
 442     \gdef\thefootnote{\arabic{footnote}}}%
 443    \fi
 444   \fi
 445  \fi
 446 \fi
 447 \def\ps@pprintTitle{%
 448      \let\@oddhead\@empty
 449      \let\@evenhead\@empty
 450      \def\@oddfoot{\footnotesize\itshape
 451        Preprint submitted to \ifx\@journal\@empty Elsevier
 452        \else\@journal\fi\hfill\today}%
 453      \let\@evenfoot\@oddfoot}
 454 \def\@seccntDot{.}
 455 \def\@seccntformat#1{\csname the#1\endcsname\@seccntDot\hskip 0.5em}
 456
 457 \renewcommand\section{\@startsection {section}{1}{\z@}%
 458            {18\p@ \@plus 6\p@ \@minus 3\p@}%
 459            {9\p@ \@plus 6\p@ \@minus 3\p@}%
 460            {\normalsize\bfseries\boldmath}}
 461 \renewcommand\subsection{\@startsection{subsection}{2}{\z@}%
 462            {12\p@ \@plus 6\p@ \@minus 3\p@}%
 463            {3\p@ \@plus 6\p@ \@minus 3\p@}%
 464            {\normalfont\normalsize\itshape}}
 465 \renewcommand\subsubsection{\@startsection{subsubsection}{3}{\z@}%
 466            {12\p@ \@plus 6\p@ \@minus 3\p@}%
 467            {\p@}%
 468            {\normalfont\normalsize\itshape}}
 469
 470 \def\paragraph{\secdef{\els@aparagraph}{\els@bparagraph}}
 471 \def\els@aparagraph[#1]#2{\elsparagraph[#1]{#2.}}
 472 \def\els@bparagraph#1{\elsparagraph*{#1.}}
 473
 474 \newcommand\elsparagraph{\@startsection{paragraph}{4}{0\z@}%
 475            {10\p@ \@plus 6\p@ \@minus 3\p@}%
 476            {-6\p@}%
 477            {\normalfont\itshape}}
 478 \newdimen\leftMargin
 479 \leftMargin=2em
 480 \newtoks\@enLab  %\newtoks\@enfont
 481 \def\@enQmark{?}
 482 \def\@enLabel#1#2{%
 483   \edef\@enThe{\noexpand#1{\@enumctr}}%
 484   \@enLab\expandafter{\the\@enLab\csname the\@enumctr\endcsname}%
 485   \@enloop}
 486 \def\@enSpace{\afterassignment\@enSp@ce\let\@tempa= }
 487 \def\@enSp@ce{\@enLab\expandafter{\the\@enLab\space}\@enloop}
 488 \def\@enGroup#1{\@enLab\expandafter{\the\@enLab{#1}}\@enloop}
 489 \def\@enOther#1{\@enLab\expandafter{\the\@enLab#1}\@enloop}
 490 \def\@enloop{\futurelet\@entemp\@enloop@}
 491 \def\@enloop@{%
 492   \ifx A\@entemp         \def\@tempa{\@enLabel\Alph  }\else
 493   \ifx a\@entemp         \def\@tempa{\@enLabel\alph  }\else
 494   \ifx i\@entemp         \def\@tempa{\@enLabel\roman }\else
 495   \ifx I\@entemp         \def\@tempa{\@enLabel\Roman }\else
 496   \ifx 1\@entemp         \def\@tempa{\@enLabel\arabic}\else
 497   \ifx \@sptoken\@entemp \let\@tempa\@enSpace         \else
 498   \ifx \bgroup\@entemp   \let\@tempa\@enGroup         \else
 499   \ifx \@enum@\@entemp   \let\@tempa\@gobble          \else
 500                          \let\@tempa\@enOther
 501              \fi\fi\fi\fi\fi\fi\fi\fi
 502   \@tempa}
 503 \newlength{\@sep} \newlength{\@@sep}
 504 \setlength{\@sep}{.5\baselineskip plus.2\baselineskip
 505             minus.2\baselineskip}
 506 \setlength{\@@sep}{.1\baselineskip plus.01\baselineskip
 507             minus.05\baselineskip}
 508 \providecommand{\sfbc}{\rmfamily\upshape}
 509 \providecommand{\sfn}{\rmfamily\upshape}
 510 \def\@enfont{\ifnum \@enumdepth >1\let\@nxt\sfn \else\let\@nxt\sfbc \fi\@nxt}
 511 \def\enumerate{%
 512    \ifnum \@enumdepth >3 \@toodeep\else
 513       \advance\@enumdepth \@ne
 514       \edef\@enumctr{enum\romannumeral\the\@enumdepth}\fi
 515    \@ifnextchar[{\@@enum@}{\@enum@}}
 516 \def\@@enum@[#1]{%
 517   \@enLab{}\let\@enThe\@enQmark
 518   \@enloop#1\@enum@
 519   \ifx\@enThe\@enQmark\@warning{The counter will not be printed.%
 520    ^^J\space\@spaces\@spaces\@spaces The label is: \the\@enLab}\fi
 521   \expandafter\edef\csname label\@enumctr\endcsname{\the\@enLab}%
 522   \expandafter\let\csname the\@enumctr\endcsname\@enThe
 523   \csname c@\@enumctr\endcsname7
 524   \expandafter\settowidth
 525             \csname leftmargin\romannumeral\@enumdepth\endcsname
 526             {\the\@enLab\hskip\labelsep}%
 527   \@enum@}
 528 \def\@enum@{\list{{\@enfont\csname label\@enumctr\endcsname}}%
 529            {\usecounter{\@enumctr}\def\makelabel##1{\hss\llap{##1}}%
 530      \ifnum \@enumdepth>1\setlength{\topsep}{\@@sep}\else
 531            \setlength{\topsep}{\@sep}\fi
 532      \ifnum \@enumdepth>1\setlength{\itemsep}{0pt plus1pt minus1pt}%
 533       \else \setlength{\itemsep}{\@@sep}\fi
 534      %\setlength\leftmargin{\leftMargin}%%%{1.8em}
 535      \setlength{\parsep}{0pt plus1pt minus1pt}%
 536      \setlength{\parskip}{0pt plus1pt minus1pt}
 537                    }}
 538
 539 \def\endenumerate{\par\ifnum \@enumdepth >1\addvspace{\@@sep}\else
 540            \addvspace{\@sep}\fi \endlist}
 541
 542 \def\sitem{\@noitemargtrue\@item[\@itemlabel *]}
 543
 544 \def\itemize{\@ifnextchar[{\@Itemize}{\@Itemize[]}}
 545
 546 \def\@Itemize[#1]{\def\next{#1}%
 547   \ifnum \@itemdepth >\thr@@\@toodeep\else
 548    \advance\@itemdepth\@ne
 549   \ifx\next\@empty\else\expandafter\def\csname
 550    labelitem\romannumeral\the\@itemdepth\endcsname{#1}\fi%
 551   \edef\@itemitem{labelitem\romannumeral\the\@itemdepth}%
 552   \expandafter\list\csname\@itemitem\endcsname
 553   {\def\makelabel##1{\hss\llap{##1}}}%
 554  \fi}
 555 \def\newdefinition#1{%
 556   \@ifnextchar[{\@odfn{#1}}{\@ndfn{#1}}}%]
 557 \def\@ndfn#1#2{%
 558   \@ifnextchar[{\@xndfn{#1}{#2}}{\@yndfn{#1}{#2}}}
 559 \def\@xndfn#1#2[#3]{%
 560   \expandafter\@ifdefinable\csname #1\endcsname
 561     {\@definecounter{#1}\@newctr{#1}[#3]%
 562      \expandafter\xdef\csname the#1\endcsname{%
 563        \expandafter\noexpand\csname the#3\endcsname \@dfncountersep
 564           \@dfncounter{#1}}%
 565      \global\@namedef{#1}{\@dfn{#1}{#2}}%
 566      \global\@namedef{end#1}{\@enddefinition}}}
 567 \def\@yndfn#1#2{%
 568   \expandafter\@ifdefinable\csname #1\endcsname
 569     {\@definecounter{#1}%
 570      \expandafter\xdef\csname the#1\endcsname{\@dfncounter{#1}}%
 571      \global\@namedef{#1}{\@dfn{#1}{#2}}%
 572      \global\@namedef{end#1}{\@enddefinition}}}
 573 \def\@odfn#1[#2]#3{%
 574   \@ifundefined{c@#2}{\@nocounterr{#2}}%
 575     {\expandafter\@ifdefinable\csname #1\endcsname
 576     {\global\@namedef{the#1}{\@nameuse{the#2}}
 577   \global\@namedef{#1}{\@dfn{#2}{#3}}%
 578   \global\@namedef{end#1}{\@enddefinition}}}}
 579 \def\@dfn#1#2{%
 580   \refstepcounter{#1}%
 581   \@ifnextchar[{\@ydfn{#1}{#2}}{\@xdfn{#1}{#2}}}
 582 \def\@xdfn#1#2{%
 583   \@begindefinition{#2}{\csname the#1\endcsname}\ignorespaces}
 584 \def\@ydfn#1#2[#3]{%
 585   \@opargbegindefinition{#2}{\csname the#1\endcsname}{#3}\ignorespaces}
 586 \def\@dfncounter#1{\noexpand\arabic{#1}}
 587 \def\@dfncountersep{.}
 588 \def\@begindefinition#1#2{\trivlist
 589    \item[\hskip\labelsep{\bfseries #1\ #2.}]\upshape}
 590 \def\@opargbegindefinition#1#2#3{\trivlist
 591       \item[\hskip\labelsep{\bfseries #1\ #2\ (#3).}]\upshape}
 592 \def\@enddefinition{\endtrivlist}
 593
 594 \def\@begintheorem#1#2{\trivlist
 595   \let\baselinestretch\@blstr
 596    \item[\hskip \labelsep{\bfseries #1\ #2.}]\itshape}
 597 \def\@opargbegintheorem#1#2#3{\trivlist
 598   \let\baselinestretch\@blstr
 599       \item[\hskip \labelsep{\bfseries #1\ #2\ (#3).}]\itshape}
 600
 601 \def\newproof#1{%
 602   \@ifnextchar[{\@oprf{#1}}{\@nprf{#1}}}
 603 \def\@nprf#1#2{%
 604   \@ifnextchar[{\@xnprf{#1}{#2}}{\@ynprf{#1}{#2}}}
 605 \def\@xnprf#1#2[#3]{%
 606   \expandafter\@ifdefinable\csname #1\endcsname
 607     {\@definecounter{#1}\@newctr{#1}[#3]%
 608      \expandafter\xdef\csname the#1\endcsname{%
 609        \expandafter\noexpand\csname the#3\endcsname \@prfcountersep
 610           \@prfcounter{#1}}%
 611      \global\@namedef{#1}{\@prf{#1}{#2}}%
 612      \global\@namedef{end#1}{\@endproof}}}
 613 \def\@ynprf#1#2{%
 614   \expandafter\@ifdefinable\csname #1\endcsname
 615     {\@definecounter{#1}%
 616      \expandafter\xdef\csname the#1\endcsname{\@prfcounter{#1}}%
 617      \global\@namedef{#1}{\@prf{#1}{#2}}%
 618      \global\@namedef{end#1}{\@endproof}}}
 619 \def\@oprf#1[#2]#3{%
 620   \@ifundefined{c@#2}{\@nocounterr{#2}}%
 621     {\expandafter\@ifdefinable\csname #1\endcsname
 622     {\global\@namedef{the#1}{\@nameuse{the#2}}%
 623   \global\@namedef{#1}{\@prf{#2}{#3}}%
 624   \global\@namedef{end#1}{\@endproof}}}}
 625 \def\@prf#1#2{%
 626   \refstepcounter{#1}%
 627   \@ifnextchar[{\@yprf{#1}{#2}}{\@xprf{#1}{#2}}}
 628 \def\@xprf#1#2{%
 629   \@beginproof{#2}{\csname the#1\endcsname}\ignorespaces}
 630 \def\@yprf#1#2[#3]{%
 631   \@opargbeginproof{#2}{\csname the#1\endcsname}{#3}\ignorespaces}
 632 \def\@prfcounter#1{\noexpand\arabic{#1}}
 633 \def\@prfcountersep{.}
 634 \def\@beginproof#1#2{\trivlist\let\baselinestretch\@blstr
 635    \item[\hskip \labelsep{\scshape #1.}]\rmfamily}
 636 \def\@opargbeginproof#1#2#3{\trivlist\let\baselinestretch\@blstr
 637       \item[\hskip \labelsep{\scshape #1\ (#3).}]\rmfamily}
 638 \def\@endproof{\endtrivlist}
 639 \newcommand*{\qed}{\hbox{}\hfill$\Box$}
 640
 641 \@ifundefined{@biboptions}{\xdef\@biboptions{numbers}}{}
 642 \InputIfFileExists{\jobname.spl}{}{}
 643 \RequirePackage[\@biboptions]{natbib}
 644
 645 \newwrite\splwrite
 646 \immediate\openout\splwrite=\jobname.spl
 647 \def\biboptions#1{\def\next{#1}\immediate\write\splwrite{%
 648    \string\g@addto@macro\string\@biboptions{%
 649     ,\expandafter\strip@prefix\meaning\next}}}
 650
 651 \let\baselinestretch=\@blstr
 652
 653 \ifnum\jtype=1
 654  \RequirePackage{geometry}
 655  \geometry{twoside,
 656   paperwidth=210mm,
 657   paperheight=297mm,
 658   textheight=562pt,
 659   textwidth=384pt,
 660   centering,
 661   headheight=50pt,
 662   headsep=12pt,
 663   footskip=12pt,
 664   footnotesep=24pt plus 2pt minus 12pt,
 665  }
 666  \global\let\bibfont=\footnotesize
 667  \global\bibsep=0pt
 668  \if@twocolumn\global\@twocolumnfalse\fi
 669 \else\ifnum\jtype=3
 670  \RequirePackage{geometry}
 671  \geometry{twoside,
 672   paperwidth=210mm,
 673   paperheight=297mm,
 674   textheight=622pt,
 675   textwidth=468pt,
 676   centering,
 677   headheight=50pt,
 678   headsep=12pt,
 679   footskip=18pt,
 680   footnotesep=24pt plus 2pt minus 12pt,
 681   columnsep=2pc
 682  }
 683  \global\let\bibfont=\footnotesize
 684  \global\bibsep=0pt
 685  \if@twocolumn\input{fleqn.clo}\fi
 686 \else\ifnum\jtype=5
 687  \RequirePackage{geometry}
 688  \geometry{twoside,
 689   paperwidth=210mm,
 690   paperheight=297mm,
 691   textheight=682pt,
 692   textwidth=522pt,
 693   centering,
 694  headheight=50pt,
 695   headsep=12pt,
 696   footskip=18pt,
 697   footnotesep=24pt plus 2pt minus 12pt,
 698   columnsep=18pt
 699  }%
 700  \global\let\bibfont=\footnotesize
 701  \global\bibsep=0pt
 702  \input{fleqn.clo}
 703  \global\@twocolumntrue
 704 %%
 705 %% End of option '5p'
 706 %%
 707 \fi\fi\fi
 708 \def\journal#1{\gdef\@journal{#1}}
 709  \let\@journal\@empty
 710 \newenvironment{frontmatter}{}{\maketitle}
 711
 712 \long\def\@makecaption#1#2{%
 713   \vskip\abovecaptionskip\footnotesize
 714   \sbox\@tempboxa{#1: #2}%
 715   \ifdim \wd\@tempboxa >\hsize
 716     #1: #2\par
 717   \else
 718     \global \@minipagefalse
 719     \hb@xt@\hsize{\hfil\box\@tempboxa\hfil}%
 720   \fi
 721   \vskip\belowcaptionskip}
 722
 723 \AtBeginDocument{\@ifpackageloaded{hyperref}
 724   {\def\@linkcolor{blue}
 725    \def\@anchorcolor{blue}
 726    \def\@citecolor{blue}
 727    \def\@filecolor{blue}
 728    \def\@urlcolor{blue}
 729    \def\@menucolor{blue}
 730    \def\@pagecolor{blue}
 731 \begingroup
 732   \@makeother\`%
 733   \@makeother\=%
 734   \edef\x{%
 735     \edef\noexpand\x{%
 736       \endgroup
 737       \noexpand\toks@{%
 738         \catcode 96=\noexpand\the\catcode`\noexpand\`\relax
 739         \catcode 61=\noexpand\the\catcode`\noexpand\=\relax
 740       }%
 741     }%
 742     \noexpand\x
 743   }%
 744 \x
 745 \@makeother\`
 746 \@makeother\=
 747 }{}}
 748 %%
 749 \def\appendixname{Appendix }
 750 \renewcommand\appendix{\par
 751   \setcounter{section}{0}%
 752   \setcounter{subsection}{0}%
 753   \setcounter{equation}{0}
 754   \gdef\thefigure{\@Alph\c@section.\arabic{figure}}%
 755   \gdef\thetable{\@Alph\c@section.\arabic{table}}%
 756   \gdef\thesection{\appendixname~\@Alph\c@section}%
 757   \@addtoreset{equation}{section}%
 758   \gdef\theequation{\@Alph\c@section.\arabic{equation}}%
 759   \addtocontents{toc}{\string\let\string\numberline\string\tmptocnumberline}{}{}
 760 }
 761
 762 %%%% \numberline width calculation for appendix.
 763 \newdimen\appnamewidth
 764 \def\tmptocnumberline#1{%
 765    \setbox0=\hbox{\appendixname}
 766    \appnamewidth=\wd0
 767    \addtolength\appnamewidth{2.5pc}
 768    \hb@xt@\appnamewidth{#1\hfill}
 769 }
 770
 771 %% Added for work with amsrefs.sty
 772
 773 \@ifpackageloaded{amsrefs}%
 774   {}
 775   {%\let\bibsection\relax%
 776   \AtBeginDocument{\def\cites@b#1#2,#3{%
 777     \begingroup[%
 778         \toks@{\InnerCite{#2}#1}%
 779         \ifx\@empty#3\@xp\@gobble\fi
 780         \cites@c#3%
 781 }}}
 782 %%
 783 %% Added for avoiding clash with cleveref.sty
 784
 785 \@ifpackageloaded{cleveref}%
 786  {}
 787  {\def\tnotetext[#1]#2{\g@addto@macro\@tnotes{%
 788     \refstepcounter{tnote}%
 789     \immediate\write\@auxout{\string\Newlabel{#1}{\thetnote}}
 790     \def\thefootnote{\ifcase\c@tnote\or\ding{73}\or\ding{73}\ding{73}\fi}%
 791     \footnotetext{#2}}}
 792 %%%
 793   \def\fntext[#1]#2{\g@addto@macro\@fnotes{%
 794     \refstepcounter{fnote}%
 795     \immediate\write\@auxout{\string\Newlabel{#1}{\thefnote}}
 796     \def\thefootnote{\thefnote}%
 797     \global\setcounter{footnote}{\thefnote}%
 798     \footnotetext{#2}}}
 799 %%%
 800   \def\cortext[#1]#2{\g@addto@macro\@cornotes{%
 801     \refstepcounter{cnote}%
 802     \immediate\write\@auxout{\string\Newlabel{#1}{\thecnote}}
 803     \def\thefootnote{\ifcase\thecnote\or$\ast$\or
 804     $\ast\ast$\fi}%
 805     \footnotetext{#2}}}
 806 }
 807 \endinput
 808 %%
 809 %% End of file `elsarticle.cls'.