/
algorithm2e.sty
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algorithm2e.sty
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% algorithm2e.sty --- style file for algorithms
%% Copyright 1996-2005 Christophe Fiorio
%
% This program may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.2
% 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
% and version 1.2 or later is part of all distributions of LaTeX
% version 1999/12/01 or later.
%
% This program consists of the files algorithm2e.sty and algorithm2e.tex
%
% Report bugs and comments to:
% fiorio@lirmm.fr
%
% $Id: algorithm2e.sty,v 1.1 2008/07/15 21:57:57 rbradley Exp $
%
% PACKAGES REQUIRED:
%
% - float (in contrib/supported/float)
% - ifthen (in base)
% - xspace (in packages/tools)
%
%%%%%%%%%%%%%%% Release 3.9
%
% History:
%
% - October 04 2005 - revision 3.9 -
% * ADD: - \setalcaphskip command which set the horizontal skip before Algorithm: in caption when
% used in ruled algorithm.
% * ADD: - SetAlgoInsideSkip command which allows to add an extra vertical space before and after
% the core of the algorithm (ie: \SetAlgoInsideSkip{bigskip})
% * CHANGE: - caption, when used with figure option, is no more controlled by algorithm2e package
% and so follows the exact behaviour of figures. The drawback is that you cannot change
% the typo with AlTitleFnt or CapFnt. The avantage is that if you use caption package,
% it works.
% * FIX: - problem with numbering line and pdflatex
% * FIX: - error when algorithm2e package was used with beamer and listings together
% - February 12 2005 - revision 3.8 -
% * FIX: - extra line with noend option.
% - February 10 2005 - revision 3.7 -
% * ADD: - sidecomment: different macros allowing to put text right after code
% on the same line. They are defined in the same time comment macros
% are defined with a star after the macro name. By default comments
% are right justified but this can be change with appropriate option
% in the macro. Ex:
% . default: \tcc*{side comment}
% . same as previous: \tcc*[r]{side comment}
% . left justify: \tcc*[l]{side comment}
% . here: \tcc*[h]{side comment} don't put the end of line mark before
% comment (; by default) and don't end the line.
% . flushed: \tcc*[f]{side comment} same as the precedent but right
% justified
% * ADD: - scright OPTION (default): right justified side comments (side comments
% are flushed to the righr)
% * ADD: - scleft OPTION: left justified side comments (side comments are
% put right after the code line)
% * ADD: - \SetSideCommentLeft acts as scleft option
% * ADD: - \SetSideCommentRight acts as scright option
% * ADD: - block like macro side text: all macro defining a block allows now
% to put text right after key words by putting text into (). Done to
% be used with sidecomment macros, but all text can be used. Ex:
% \eIf(\tcc*[f]{then comment}){test}{then text}(else side text){else text}
% * ADD: - fillcomment OPTION (default): end mark of comment is flushed to the
% right so comments fill all the width of text
% * ADD: - nofillcomment OPTION: end mark of comment is put right after the
% comment
% * ADD: - \SetNoFillComment acts as nofillcomment option.
% * ADD: - \SetFillComment acts as fillcomment option.
% * ADD: - dotocloa OPTION which adds an entry in the toc for the list of
% algorithms. This option load package tocbibind if not already done
% and so list of figures and list of tables are also added in the toc.
% If you want to control which ones of the lists will be added in the
% toc, please load package tocbibind before package algorithm and give
% it the options you want.
% * FIX: - vertical spacing for uif macro with noend option
% * FIX: - all the compatibility problems between caption and other packages
% * FIX: - typographical differences between list of algorithms and other lists
% when in report or book
%
% - January 24 2005 - revision 3.6 -
% * FIX: - vertical spacing and space characters at the beginning or end of
% comments.
% line numbers of comments not in the nlsty.
% Thanks to Arnaud Giersch for his comments and suggestions.
% * FIX: - Set*Sty macro: the styles defined was not protected and was modified
% by surrounding context. For example KwTo in a \For{}{} was in bold AND
% italic instead of just in bold.
% * FIX: - line number misplacement after \Indp
%
% - January 21 2005 - revision 3.5 -
% * ADD: - hidden numbering of the lines. Lines are auto-numbered but numbers
% are shown only on lines you specify:
% * linesnumberedhidden option or \linesnumberedhidden macro activate
% this functionnality.
% * \showln and \showlnlabel{lab} macros make the number visible on
% the line. \showlnlabel{lab} allows to set a label for this line.
% Thanks to Samson de Jager who makes this suggestion and provides the
% macros.
% * ADD: - \AlCapFnt and \SetAlCapFnt which allow to have a different font for
% caption. Works like \AlFnt and \SetAlFnt and by default is the same.
% * ADD: - \AlCapSkip skip length. This vertical space is added before caption
% in plain ou boxed mode. It allows to change distance between text
% and caption.
% * FIX: - caption compatible with IEEEtran class.
% * FIX: - some vertical spacing error with \uIf macros (Thanks to Arnaud Giersch)
% * FIX: - Procedure and Function: lines are also numbered like algorithms
% * FIX: - CommentSty was not used for Comments
%
% - January 10 2005 - revision 3.4 -
% * FIX: - caption compatible with new release of Beamer class.
%
% - June 16 2004 - revision 3.3 -
% * FIX: - Hyperlink references of Hyperref package works now if compiled with pdflatex
% and [naturalnames] option of hyperref package is used.
% * FIX: - algorithm[H] had problem in an list environment - corrected
% * FIX: - interline was not so regular in nested blocks - corrected
% * ADD - \Setvlineskip macro which set the vertical skip after the little horizontal
% rule which closes a block in Vlined mode. By default 0.8ex
%
% - June 11 2004 - revision 3.2 - AUTO NUMBERING LINES !!!
% * ADD: auto numbering of the lines (the so asked and so long awaiting feature)
% this feature is managed by 3 options and 3 commands:
% - linesnumbered option: lines of the algo are numbered except for comments and
% input/output (KwInput and KwInOut)
% - commentsnumbered option: makes comments be numbered
% - inoutnumbered option: makes data input/output be numbered
% - \nllabel{lab} labels the line so you can cite with \ref{lab}
% - \linesnumbered make the following algorithms having auto-numbered lines
% - \linesnotnumbered make the following algorithms having no auto-numbered lines
% * Change: algo2e option renames listofalgorithm in listofalgorithme
% * FIX: new solution for compatibility with color package, more robust and not tricky.
% Many thanks to David Carlisle for his advices
%
% - June 09 2004 - revision 3.1 -
% * Change: \SetKwSwitch command defines an additionnal
% macro \uCase and \Case prints end
% * Change: now macros SetKw* do a renewcommand if the
% keyword is already defined. So you can redefine
% default definition at your own convenience or
% change your definition without introducing a
% new macro and changing your text.
% * ADD: new macro \SetKwIF which do \SetKwIf and
% \SetKwIfElseIf.The following default definition has been added:
% \SetKwIF{If}{ElseIf}{Else}{if}{then}{else if}{else}{endif}
% and so you get the macros;
% \If \eIf \lIf \uIf \ElseIf \uElseIf \lElseIf \Else
% \uElse \lElse
% * ADD: new macro \SetAlgoSkip which allow to fix the
% vertical skip before and after the algorithms.
% Default is smallskip, do \SetAlgoSkip{} if you
% don't want an extra space or \SetAlgoSkip{medskip}
% or \SetAlgoSkip{bigskip} if you want bigger space.
% * ADD: macro \SetKwIf defines in addition a new macro
% \uElse (depending on wat name you
% have given in #2 arg).
% * ADD: macro \SetKwIfElseIf defines in addition a new macro
% \uElse and \ugElseIf (depending on what name you
% have given in #2 and #3 arg).
% * Change: baseline of algorithm is now top, so two
% algorithms can be put side by side.
% * FIX: Compatibility with color package solved. The problem
% was due to a redefinition of standard macros by color package
% This solves compatibility problem with other packages
% as pstcol or colortbl.
% (notified by Dirk Fressmann, Antti Tarvainen and Koby Crammer)
% * Fix: extra little shift to the right with boxed style
% algorithm removed (notified by P. Tanovski)
% * Fix: algoln option was buggy (notified bye Jiaying Shen)
% * Fix: german and portuges option didn't work due to bad
% typo (notified by Martin Sievers, Thorsten Vitt
% and Jeronimo Pellegrini)
%
% - February 13 2004 - revision 3.0 -
% * Major revision which makes the package independent from
% float.sty, so now
% - algorithm* works better, in particular can be used in
% multicols environments
% - (known bug corrected)
% [H] works now for all sort of environment but is
% handled differently for classic environment and star
% environment (algorithm, figure, procedure and
% function). For star environment, H acts like for
% classical figure environment, so it doesn't stay here
% absolutely.
% - (known bug corrected)
% you can use now floatflt package with algorithm
% package and even with figure option. Beware that if
% you want to put an algorithm inside a floatingfigure,
% it cannot be floating, so [H] is required and then
% figure option should not be used, since standard
% figure[H] are still floating with LaTeX.
% * boxruled: a new style added. Possible now since no
% style no more defined by the float package.
% * nocaptionofalgo: dosen't print Algorithm #: in the
% caption for algorithm in ruled or algoruled style.
% note: this is just documentation of a macro which was
% already in the package.
% - December 14 2003 - revision 2.52 -
% * output message shorter
% * french keyword macro \PourTous was missing for
% longend option, it has been added.
% * TitleofAlgo prints Function or Procedure in
% corresponding environments.
%
% - October 27 2003 - revision 2.51 - Revision submitted to CTAN archive
% * correction of a minor which make caption in procedure
% and function to be blanck with pdfscreen package
% (thanks to Joel Gossens for the notification)
% * add two internal definition to avoid some errors when
% used with Hyperref package (Hyperref package need to
% define new counter macro from existing ones, and
% don't do it for algorithm2e package, so we do it)
%
% - October 17 2003 - revision 2.50 - first revision for CTAN archive
%
% * add \AlFnt and \SetAlFnt{font} macros:
% \AlFnt is used at the beginning of the caption and the
% body of algorithm in order to define the fonts used
% for typesetting algorithms. You can use it elsewhere
% you want to typeset text as algorithm. For example
% you can do \SetAlFnt{\small\sf} to have algorithms
% typeset in small sf font. Default is nothing so
% algorithm is typeset as the text of the document.
% * add \AlTitleFnt{text} and \SetAlTitleFnt{font} macros:
% The {Algorithm: } in the caption is typeset with
% \AlTitleFnt{Algorithm:}. You can use it to have text
% typeset as {Algorithm:} of captions. Default is
% textbf.
% Default can be redefined by \SetAlTitleFnt{font}.
% * add CommentSty typo for text comment.
% * add some compatibility with hyperref package (still
% an error on multiply defined refs but pdf correctly
% generated)
% * flush text to left in order to have correct
% indentation even with class as amsart which center
% all figures
% * add german, portugues and czech options for title of
% algorithms and typo.
% * add portuguese translation of predefined keywords
% * add czech translation of some predefined keywords
%
% - December 23 2002 - revision 2.40
% * add some french keyword missing
% * add function* and procedure* environment like
% algorithme* environment: print in one column even
% if twocolumn option is specified for the document.
% * add a new macro \SetKwComment to define macro which
% writes comments in the text. First argument is the
% name of the macro, second is the text put before the
% comment, third is the text put at the end of the
% comment.Default are \tcc and \tcp
% * add new options to change the way algo are numbered:
% [algopart] algo are numbered within part (counter must exist)
% [algochapter] algo are numbered within chapter
% [algosection] algo are numbered within section
%
% - March 27 2002 - revision 2.39
% * Gilles Geeraerts: added the \SetKwIfElseIf to manage
% if (c)
% i;
% else if (c)
% i;
% ...
% else
% i;
% end
% * Also added \gIf \gElsIf \gElse.
%
% - January 02 2001 - revision 2.38
% * bugs related to the caption in procedure and function
% environment are corrected.
% * bug related to option noend (extra vertical space added
% after block command as If or For) is corrected.
% * czech option language added (thanks to Libor Bus: l.bus@sh.cvut.cz).
%
% - October 16 2000 - revision 2.37
% * option algo2e added: change the name of environment
% algorithm into algorithm2e. So allow to use the package
% with some journal style which already define an algorithm
% environment.
%
% - September 13 2000 - revision 2.36
% * option slide added: require package color
% * Hack for slide class in order to have correct
% margins
%
% - November 25 1999 - revision 2.35
% * revision number match RCS number
% * Thanks to David A. Bader, a new option is added:
% noend: no end keywords are printed.
%
% - November 19 1999 - revision 2.32
% * minor bug on longend option corrected.
%
% - August 26 1999 - revision 2.31
% * add an option : figure
% this option makes algorithms be figure and so are numbered
% as figures, have Figure as caption and are put in
% the \listoffigures
%
% - January 21 1999 - revision 2.3 beta
% add 2 new environments: procedure and function.
% These environments works like algorithm environment but:
% - the ruled (or algoruled) style is imperative.
% - the caption now writes Procedure name....
% - the syntax of the \caption command is restricted as
% follow: you MUST put a name followed by 2 braces like
% this ``()''. You can put arguments inside the braces and
% text after. If no argument is given, the braces will be
% removed in the title.
% - label now puts the name (the text before the braces in the
% caption) of the procedure or function as reference (not
% the number like a classic algorithm environment).
% There are also two new styles : ProcNameSty and
% ProcArgSty. These style are by default the same as FuncSty
% and ArgSty but are used in the caption of a procedure or a
% function.
%
% - November 28 1996 - revision 2.22
% add a new macro \SetKwInParam{arg1}{arg2}{arg3}:
% it defines a macro \arg1{name}{arg} which prints name in keyword
% style followed byt arg surrounded by arg2 and arg3. The main
% application is to a function working as \SetKwInput to be used
% in the head of the algorithm. For example
% \SetKwInParam{Func}{(}{)} allows
% \Func{functionname}{list of arguments} which prints:
% \KwSty{functioname(}list of arguments\KwSty{)}
%
%
% - November 27 1996 - revision 2.21 :
% minor bug in length of InOut boxes fixed.
% add algorithm* environment.
%
% - July 12 1996 - revision 2.2 : \SetArg and \SetKwArg macros removed.
%
% \SetArg has been removed since it never has been
% documented.
% \SetKwArg has been removed since \SetKw can now
% take an argument in order to be consistent with
% \SetKwData and \SetKwFunction macros.
%
% - July 04 1996 - revision 2.1 : still more LaTeX2e! Minor compatibility break
%
% Macros use now \newcommand instead of \def, use of \setlength,
% \newsavebox, ... and other LaTeX2e specific stuff.
% The compatibility break:
% - \SetData becomes \SetKwData to be more consistent. So the old
% \SetKwData becomes \SetKwInput
% - old macros \titleofalgo, \Freetitleofalgo and \freetitleofalgo
% from LaTeX209 version which did print a warning message and call
% \Titleofalgo in version 2.0 are now removed!
%
% - March 13 1996 - revision 2.0: first official major revision.
%
%
%%%%%%%%%%%%%%
%
% Known bugs:
% -----------
% - no more known bugs... all are corrected!
%
%%%%%%%%%%%%%%
%
% Package options:
% ---------------
% - french, english, german, portuguese, czech : for the name of the algorithm, e.g.
% - boxed, boxruled, ruled, algoruled, plain : layout of the algorithm
% - algo2e : environment is algorithm2e instead of algorithms
% and \listofalgorithmes instead of \listofalgorithms
% - slide : to use when making slides
% - noline,lined,vlined : how block are designed.
% - linesnumbered : auto numbering of the algorithm's lines
% - algopart,algochapter,algosection : algo numbering within part, chapter or section
% - titlenumbered,titlenotnumbered : numbering of title set by \Titleofalgo
% - figure : algorithms are figures, numbered as figures, and put in the list of figures.
% - resetcount, noresetcount : start value of line numbers.
% - algonl : line numbers preceded by algo number
% - shortend, longend, noend : short or long end keyword as endif for e.g.
%
% defaults are; english,plain,resetcount,titlenotnumbered
%
%%%%%%%%%%%%%%
%
% Short summary
% -------------
%
% algorithm is an environment for writing algorithm in LaTeX2e
% It provide macros that allow you to create differents
% sorts of key words, therefore a set of predefined key word
% is gived.
%
% IT should be used as follows
%
% \begin{algorithm}
% ...
% ...
% \end{algorithm}
%
%
% IMPORTANT : each line MUST end with \;
%
% Note that if you define macros outside algorithm environment they
% are avaible in all the document and particulary you can use then
% inside all algorithms without re-define them.
%
% an example:
%
% \begin{algorithm}[H]
% \SetLine
% \AlgData{this text}
% \AlgResult{how to write algorithm with \LaTeX2e }
%
% initialization\;
% \While{not at end of this document}{
% read current section\;
% \eIf{understand}{
% go to next section\;
% current section becomes this one\;
% }{
% go back to the beginning of current section\;
% }
% }
% \caption{How to write algorithm}
% \end{algorithm}
%
%
%%%%%%%%%%%%%% predefined english keywords
%
% \AlgData{input}
% \AlgResult{output}
% \KwIn{input}
% \KwOut{output}
% \KwData{input}
% \KwResult{output}
% \Ret{[value]}
% \KwTo % a simple keyword
% \Begin{block inside}
% \If{condition}{Then block} % in a block
% \uIf{condition}{Then block} % in a block unended
% \Else{inside Else} % in a block
% \eIf{condition}{Then Block}{Else block} % in blocks
% \lIf{condition}{Else text} % on the same line
% \lElse{Else text} % on the same line
% \Switch{Condition}{Switch block}
% \Case{a case}{case block} % in a block
% \lCase{a case}{case text} % on the same line
% \Other{otherwise block} % in a block
% \lOther{otherwise block} % on the same line
% \For{condition}{text loop} % in a block
% \lFor{condition}{text} % on the same line
% \ForEach{condition}{text loop} % in a block
% \lForEach{condition}{text} % on the same line
% \Repeat{End condition}{text loop} % in a block
% \lRepeat{condition}{text} % on the same line
% \While{condition}{text loop} % in a block
% \lWhile{condition}{text loop} % on the same line
%
%
%%%%%%%%%%%%%% predefined french keywords
%
% \AlgDonnees{input}
% \AlgRes{input}
% \Donnees{input}
% \Res{input}
% \Retour[valeur]}
% \Deb{block inside}
% \KwA % un mot clef simple
% \Si{condition}{Bloc du Alors} % Dans un bloc
% \uSi{condition}{Bloc du Alors} % Dans un bloc non termine
% \eSi{condition}{Bloc du Alors}{Bloc du Sinon} % Dans un bloc
% \lSi{condition}{texte du Alors} % sur la meme ligne
% \lSinon{texte du Sinon} % sur la meme ligne
% \Suivant{Condition}{Bloc de l'instruction}
% \Cas{cas}{Bloc de ce cas} % Dans un bloc
% \lCas{cas}{Bloc de ce cas} % sur la meme ligne
% \Autres{Bloc de l'alternative} % Dans un bloc
% \lAutres{Bloc de l'alternative} % sur la meme ligne
% \Pour{condition}{texte de la boucle} % Dans un bloc
% \lPour{condition}{texte} % sur la meme ligne
% \PourCh{condition}{texte de la boucle} % Dans un bloc
% \lPourCh{condition}{texte} % sur la meme ligne
% \Repeter{End condition}{texte de la boucle} % Dans un bloc
% \lRepeter{condition}{texte} % sur la meme ligne
% \Tq{condition}{texte de la boucle} % Dans un bloc
% \lTq{condition}{texte de la boucle} % sur la meme ligne
%
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% for more complete informations you can see algorithm2e.tex
%
%
%%%%%%%%%%%%%%%%%%%%%%%% Identification Part %%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
\NeedsTeXFormat{LaTeX2e}[1994/12/01]
%
\ProvidesPackage{algorithm2e}[2005/10/04 v3.9 algorithms environments]
%
%
%%%%%%%%%%%%%%%%%%%%%%%%%%% Initial Code %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
\@makeother\*% some package redefined it as a letter (as color.sty)
%
% definition of commands which can be redefined in options of the package.
%
\newcounter{AlgoLine}
\setcounter{AlgoLine}{0}
%
\newcommand{\listalgorithmcfname}{}
\newcommand{\algorithmcfname}{}
\newcommand{\algocf@typo}{}
\newcommand{\@algocf@procname}{}
\newcommand{\@algocf@funcname}{}
\newcommand{\@algocf@titleofalgoname}{\algorithmcfname}
\newcommand{\@algocf@algotitleofalgo}{%
\renewcommand{\@algocf@titleofalgoname}{\algorithmcfname}}
\newcommand{\@algocf@proctitleofalgo}{%
\renewcommand{\@algocf@titleofalgoname}{\algocf@procname}}
%
\newcommand{\algocf@style}{plain}
\newcommand{\@ResetCounterIfNeeded}{}
\newcommand{\@titleprefix}{}
%
\newcommand{\algocf@numbering}[1]{\newcommand{\algocf@within}{#1}}
%
\newcommand{\defaultsmacros@algo}{\algocf@defaults@shortend}
%
\newcommand{\algocf@list}{loa}
\newcommand{\algocf@float}{algocf}
%
\newcommand{\algocf@envname}{algorithm}
\newcommand{\algocf@listofalgorithms}{listofalgorithms}
%
%
%%%%%%%%%%%%%%%%%%%%%% Declaration of Options %%%%%%%%%%%%%%%%%%%%%%%%%%%
%
\RequirePackage{ifthen}
%
\DeclareOption{algo2e}{%
\renewcommand{\algocf@envname}{algorithm2e}
\renewcommand{\algocf@listofalgorithms}{listofalgorithmes}
}
%
\newboolean{algocf@slide}\setboolean{algocf@slide}{false}
\DeclareOption{slide}{%
\setboolean{algocf@slide}{true}%
}
%
\DeclareOption{figure}{
\renewcommand{\algocf@list}{lof}
\renewcommand{\algocf@float}{figure}
}
%
\DeclareOption{english}{%
\renewcommand{\listalgorithmcfname}{List of Algorithms}%
\renewcommand{\algorithmcfname}{Algorithm}%
\renewcommand{\algocf@typo}{}%
\renewcommand{\@algocf@procname}{Procedure}
\renewcommand{\@algocf@funcname}{Function}
}
%
\DeclareOption{french}{%
\renewcommand{\listalgorithmcfname}{Liste des Algorithmes}%
\renewcommand{\algorithmcfname}{Algorithme}%
\renewcommand{\algocf@typo}{\ }%
\renewcommand{\@algocf@procname}{Procédure}
\renewcommand{\@algocf@funcname}{Fonction}
}
%
\DeclareOption{czech}{%
\renewcommand{\listalgorithmcfname}{Seznam algoritm\v{u}}%
\renewcommand{\algorithmcfname}{Algoritmus}%
\renewcommand{\algocf@typo}{}%
\renewcommand{\@algocf@procname}{Procedura}
\renewcommand{\@algocf@funcname}{Funkce}
}
%
\DeclareOption{german}{%
\renewcommand{\listalgorithmcfname}{Liste der Algorithmen}%
\renewcommand{\algorithmcfname}{Algorithmus}%
\renewcommand{\algocf@typo}{\ }%
\renewcommand{\@algocf@procname}{Prozedur}%
\renewcommand{\@algocf@funcname}{Funktion}%
}
%
\DeclareOption{portugues}{%
\renewcommand{\listalgorithmcfname}{Lista de Algoritmos}%
\renewcommand{\algorithmcfname}{Algoritmo}%
\renewcommand{\algocf@typo}{}%
\renewcommand{\@algocf@procname}{Procedimento}
\renewcommand{\@algocf@funcname}{Fun\c{c}\~{a}o}
}
%
% OPTIONs plain, boxed, ruled, algoruled & boxruled
%
\newcommand{\algocf@style@plain}{\renewcommand{\algocf@style}{plain}}
\newcommand{\algocf@style@boxed}{\renewcommand{\algocf@style}{boxed}}
\newcommand{\algocf@style@ruled}{\renewcommand{\algocf@style}{ruled}}
\newcommand{\algocf@style@algoruled}{\renewcommand{\algocf@style}{algoruled}}
\newcommand{\algocf@style@boxruled}{\renewcommand{\algocf@style}{boxruled}}
\newcommand{\restylealgo}[1]{\csname algocf@style@#1\endcsname}
\DeclareOption{plain}{\algocf@style@plain}
\DeclareOption{boxed}{\algocf@style@boxed}
\DeclareOption{ruled}{\algocf@style@ruled}
\DeclareOption{algoruled}{\algocf@style@algoruled}
\DeclareOption{boxruled}{\algocf@style@boxruled}
%
% OPTIONs algopart,algochapter & algosection
%
\DeclareOption{algopart}{\algocf@numbering{part}} %algo part numbered
\DeclareOption{algochapter}{\algocf@numbering{chapter}} %algo chapter numbered
\DeclareOption{algosection}{\algocf@numbering{section}} %algo section numbered
%
% OPTIONs resetcount & noresetcount
%
\DeclareOption{resetcount}{\renewcommand{\@ResetCounterIfNeeded}{\setcounter{AlgoLine}{0}}}
\DeclareOption{noresetcount}{\renewcommand{\@ResetCounterIfNeeded}{}}
%
% OPTION linesnumbered
%
\newboolean{algocf@linesnumbered}\setboolean{algocf@linesnumbered}{false}
\newcommand{\algocf@linesnumbered}{\relax}
\DeclareOption{linesnumbered}{%
\setboolean{algocf@linesnumbered}{true}
\renewcommand{\algocf@linesnumbered}{\everypar={\nl}}
}
%
% OPTION linesnumberedhidden
%
\DeclareOption{linesnumberedhidden}{%
\setboolean{algocf@linesnumbered}{true}
\renewcommand{\algocf@linesnumbered}{\everypar{\stepcounter{AlgoLine}}}
}
%
% OPTION commentsnumbered inoutnumbered
%
\newboolean{algocf@commentsnumbered}\setboolean{algocf@commentsnumbered}{false}
\DeclareOption{commentsnumbered}{\setboolean{algocf@commentsnumbered}{true}}
\newboolean{algocf@inoutnumbered}\setboolean{algocf@inoutnumbered}{false}
\DeclareOption{inoutnumbered}{\setboolean{algocf@inoutnumbered}{true}}
%
% OPTIONs titlenumbered & titlenotnumbered
%
\DeclareOption{titlenumbered}{%
\renewcommand{\@titleprefix}{%
\refstepcounter{algocf@float}%
\AlTitleFnt{\@algocf@titleofalgoname\
\expandafter\csname the\algocf@float\endcsname\algocf@typo : }}%
}
%
\DeclareOption{titlenotnumbered}{\renewcommand{\@titleprefix}{%
\AlTitleFnt{\@algocf@titleofalgoname\algocf@typo : }}%
}
%
% OPTIONs lined, vlined & noline
%
\DeclareOption{lined}{\AtBeginDocument{\SetLine}} % \SetLine
\DeclareOption{vlined}{\AtBeginDocument{\SetVline}} % \SetVline
\DeclareOption{noline}{\AtBeginDocument{\SetNoline}} % \Setnoline (default)
%
% OPTIONs algonl
% line numbered with the counter of the algorithm
%
\DeclareOption{algonl}{\renewcommand{\theAlgoLine}{\expandafter\csname the\algocf@float\endcsname.\arabic{AlgoLine}}}
%
% OPTIONs longend, shotend & noend
%
\DeclareOption{longend}{%
\renewcommand{\defaultsmacros@algo}{\algocf@defaults@longend}}
\DeclareOption{shortend}{%
\renewcommand{\defaultsmacros@algo}{\algocf@defaults@shortend}}
\newboolean{algocf@optnoend}\setboolean{algocf@optnoend}{false}
\DeclareOption{noend}{%
\setboolean{algocf@optnoend}{true}%
\renewcommand{\defaultsmacros@algo}{\algocf@defaults@noend}}
%
% OPTION dotoc
%
\newboolean{algocf@dotocloa}\setboolean{algocf@dotocloa}{false}
\DeclareOption{dotocloa}{%
\setboolean{algocf@dotocloa}{true}
}
%
% OPTION comments
%
\newboolean{algocf@optfillcomment}\setboolean{algocf@optfillcomment}{true}
\DeclareOption{nofillcomment}{%
\setboolean{algocf@optfillcomment}{false}%
}
\DeclareOption{fillcomment}{%
\setboolean{algocf@optfillcomment}{true}%
}
%
% OPTION sidecommments
%
\newboolean{algocf@scleft}\setboolean{algocf@scleft}{false}
\DeclareOption{scleft}{%
\setboolean{algocf@scleft}{true}%
}
\DeclareOption{sright}{% default
\setboolean{algocf@scleft}{false}%
}
%
%
%%%%%%%%%%%%%%%%%%%%%%% Execution of Options %%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
\ExecuteOptions{english,plain,resetcount,titlenotnumbered}
%
\ProcessOptions
%
\@algocf@algotitleofalgo % fix name for \Titleofalgo to \algorithmcfname by default
%
%%%%%%%%%%%%%%%%%%%%%%%%%% Package Loading %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%\RequirePackage{float}[2001/11/08]
%
\RequirePackage{xspace}
%
\ifthenelse{\boolean{algocf@slide}}{\RequirePackage{color}}{}
%
\AtEndOfPackage{%
\ifthenelse{\boolean{algocf@dotocloa}}{%
\renewcommand{\listofalgorithmes}{\tocfile{\listalgorithmcfname}{loa}}%
}{\relax}
}
% if loa in toc required, load tocbibind package if not already done.
\ifthenelse{\boolean{algocf@dotocloa}}{%
\ifx\@tocextra\undefined%
\RequirePackage{tocbibind}
\fi%
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Main Part %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
\newcommand{\algocf@name}{algorithm2e}
\newcommand{\algocf@date}{october 04 2005}
\newcommand{\algocf@version}{Release 3.9}
\newcommand{\algocf@id}{\algocf@version\space -- \algocf@date\space --}
\typeout{********************************************************^^JPackage `\algocf@name'\space\algocf@id^^J%
- algorithm2e-announce@lirmm.fr mailing list for announcement about releases^^J%
- algorithm2e-discussion@lirmm.fr mailing list for discussion about package^^J%
subscribe by emailing sympa@lirmm.fr with 'subscribe <list> <firstname name>'^^J%
- Author: Christophe Fiorio (fiorio@lirmm.fr)^^J********************************************************}
%%
%%
%%
%%
%%
%%
%%%% hyperref compatibility tricks: Hyperref package defines H counters from
% standard counters (i.e \theHpage from \thepage) and check some particular
% counters of some packages, unfortunately it doesn't do the same for
% algorithm2e package but act as Hcounter was defined. To avoid errors we
% defined \theHalgocf ourself
%%%%
% \@ifundefined{theHalgocf}{\def\theHalgocf{\thealgocf}}{}%
% \@ifundefined{theHAlgoLine}{\def\theHAlgoLine{\theAlgoLine}}{}%
% \@ifundefined{theHalgocf}{\def\theHalgocf{\thealgocf}}{}%
% \@ifundefined{theHAlgoLine}{\def\theHAlgoLine{\thealgocf}}{}%
% \@ifundefined{toclevel@algocf}{\def\toclevel@algocf{0}}{}%
%%
%%
%%
\newcommand{\@defaultskiptotal}{0.5em}%\Setnlskip{0.5em}
\newskip\skiptotal\skiptotal=0.5em%\Setnlskip{0.5em}
\newskip\skiprule
\newskip\skiphlne
\newskip\skiptext
\newskip\skiplength
\newskip\algomargin
\newskip\skipalgocfslide\skipalgocfslide=1em
\newdimen\algowidth
\newdimen\inoutsize
\newdimen\inoutline
%
\newcommand{\@algoskip}{\smallskip}%
\newcommand{\SetAlgoSkip}[1]{\renewcommand{\@algoskip}{\csname#1\endcsname}}%
\newcommand{\@algoinsideskip}{\relax}%
\newcommand{\SetAlgoInsideSkip}[1]{\renewcommand{\@algoinsideskip}{\csname#1\endcsname}}%
%
\newsavebox{\algocf@inoutbox}
\newsavebox{\algocf@inputbox}
%%
%%
\newcommand{\arg@e}{}
\newcommand{\arg@space}{\ }
\newcommand{\BlankLine}{\vskip 1ex}
%%
\newcommand{\vespace}{1ex}
\newcommand{\SetInd}[2]{%
\skiprule=#1%
\skiptext=#2%
\skiplength=\skiptext\advance\skiplength by \skiprule\advance\skiplength by 0.4pt}
\SetInd{0.5em}{1em}
\algomargin=\leftskip\advance\algomargin by \parindent
\newcommand{\incmargin}[1]{\advance\algomargin by #1}
\newcommand{\decmargin}[1]{\advance\algomargin by -#1}
\newcommand{\Setnlskip}[1]{%
\renewcommand{\@defaultskiptotal}{#1}%
\setlength{\skiptotal}{#1}}
\newcommand{\setnlskip}[1]{\Setnlskip{#1}}%kept for compatibility issue
%%
\newskip\AlCapSkip\AlCapSkip=0ex
\newskip\AlCapHSkip\AlCapSkip=0ex
\newcommand{\setalcapskip}[1]{\setlength{\AlCapSkip}{#1}}
\newcommand{\setalcaphskip}[1]{\setlength{\AlCapHSkip}{#1}}
\setalcaphskip{.5\algomargin}
%%
%%
\newcommand{\Indentp}[1]{\advance\leftskip by #1}
\newcommand{\Indp}{\advance\leftskip by 1em}
\newcommand{\Indpp}{\advance\leftskip by 0.5em}
\newcommand{\Indm}{\advance\leftskip by -1em}
\newcommand{\Indmm}{\advance\leftskip by -0.5em}
%%
%%
%% Line Numbering
%%
%%
% number line style
\newcommand{\nlSty}[1]{\textnormal{\textbf{#1}}}% default definition
\newcommand{\Setnlsty}[3]{\renewcommand{\nlSty}[1]{\textnormal{\csname#1\endcsname{#2##1#3}}}}
%
%
\newcommand{\algocf@nlhlabel}[2]{%
\immediate\write\@auxout{%
\string\newlabel{#1}{%
{#2}% current label
{\thepage}% page
{}% current label string
% {AlgoLine\thealgocfline.\theAlgoLine}% current Href
{AlgoLine\thealgocfline.\theAlgoLine}% current Href
{}%
}%
}%
}
%
% nl definitions
%
\newcommand{\nl}{%
\@ifundefined{href}{% if not hyperref then do a simple refstepcounter
\refstepcounter{AlgoLine}%
}{% else if hyperref, do the anchor so 2 lines in two differents algorithms cannot have the same href
% \stepcounter{AlgoLine}\Hy@raisedlink{\hyper@anchorstart{AlgoLine\thealgocfline.\theAlgoLine}\hyper@anchorend}%
\stepcounter{AlgoLine}\Hy@raisedlink{\hyper@anchorstart{AlgoLine\thealgocfline.\theAlgoLine}\hyper@anchorend}%
}% now we can do the line numbering
\strut\vadjust{\kern-\dp\strutbox\vtop to \dp\strutbox{%
\baselineskip\dp\strutbox\vss\llap{\scriptsize{\nlSty{\theAlgoLine}\hskip\skiptotal}}\null}}%
}%
\newcommand{\nllabel}[1]{%
\@ifundefined{href}{\label{#1}}{\algocf@nlhlabel{#1}{\theAlgoLine}}}%
%
\newcommand{\enl}{;%
\@ifundefined{href}{% if not hyperref then do a simple refstepcounter
\refstepcounter{AlgoLine}%
}{% else if hyperref, do the anchor so 2 lines in two differents algorithms cannot have the same href
% \stepcounter{AlgoLine}\Hy@raisedlink{\hyper@anchorstart{AlgoLine\thealgocfline.\theAlgoLine}\hyper@anchorend}%
\stepcounter{AlgoLine}\Hy@raisedlink{\hyper@anchorstart{AlgoLine\thealgocfline.\theAlgoLine}\hyper@anchorend}%
}% now we can do the line numbering
\hfill\rlap{%
\scriptsize{\nlSty{\theAlgoLine}}}\par}
\newcommand{\nlset}[1]{%
\hskip 0pt\llap{%
\scriptsize{\nlSty{#1}}\hskip\skiptotal}\ignorespaces}
%
% lnl definitions
%
\@ifundefined{href}{% if not hyperref
\newcommand{\lnl}[1]{\nl\label{#1}\ignorespaces}%
}{% else hyperref
\newcommand{\lnl}[1]{\nl\algocf@nlhlabel{#1}{\theAlgoLine}\ignorespaces}%
}
%
% nlset
%
\@ifundefined{href}{%
\newcommand{\lnlset}[2]{\nlset{#2}\protected@edef\@currentlabel{#2}\label{#1}}%
}{%else hyperref
\newcommand{\lnlset}[2]{\nlset{#2}%
\Hy@raisedlink{\hyper@anchorstart{AlgoLine.#2}\hyper@anchorend}\algocf@nlhlabel{#1}{#2}%
\ignorespaces%
}%
}
%
% set char put at end of each line
%
\newcommand{\algocf@endline}{\string;}
\newcommand{\SetEndCharOfAlgoLine}[1]{\renewcommand{\algocf@endline}{#1}}
%
% end of line definition
%
\newcommand{\@endalgoln}{\algocf@endline\par}% default definition: printsemicolon
\newcommand{\dontprintsemicolon}{\renewcommand{\@endalgoln}{\par}}
\newcommand{\printsemicolon}{\renewcommand{\@endalgoln}{\algocf@endline\par}}
%
% line numbering
%
\newcommand{\linesnumbered}{\setboolean{algocf@linesnumbered}{true}\renewcommand{\algocf@linesnumbered}{\everypar={\nl}}}
\newcommand{\linesnotnumbered}{%
\setboolean{algocf@linesnumbered}{false}%
\renewcommand{\algocf@linesnumbered}{\relax}%
}
%
\newcommand{\linesnumberedhidden}{%
\setboolean{algocf@linesnumbered}{true}\renewcommand{\algocf@linesnumbered}{\everypar{\stepcounter{AlgoLine}}}}
\newcommand{\showln}{\nlset{\theAlgoLine}\ignorespaces} % display the line number on this line (without labelling)
\newcommand{\showlnlabel}[1]{\lnlset{#1}{\theAlgoLine}\ignorespaces} % display the line number and label this line
%
%%
%
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Styling text commands
%
\newcommand{\AlTitleFnt}[1]{\textbf{#1}\unskip}% default definition
\newcommand{\SetAlTitleFnt}[1]{\renewcommand{\AlTitleFnt}[1]{\csname#1\endcsname{##1}\unskip}}%
\newcommand{\AlFnt}{\relax}% default definition
\newcommand{\SetAlFnt}[1]{\renewcommand{\AlFnt}{#1}}%
\newcommand{\AlCapFnt}{\AlFnt{}}% default definition
\newcommand{\SetAlCapFnt}[1]{\renewcommand{\AlCapFnt}{#1}}%
\newcommand{\KwSty}[1]{\textnormal{\textbf{#1}}\unskip}% default definition
\newcommand{\SetKwSty}[1]{\renewcommand{\KwSty}[1]{\textnormal{\csname#1\endcsname{##1}}\unskip}}%
\newcommand{\ArgSty}[1]{\textnormal{\emph{#1}}\unskip}%\SetArgSty{emph}
\newcommand{\SetArgSty}[1]{\renewcommand{\ArgSty}[1]{\textnormal{\csname#1\endcsname{##1}}\unskip}}%
\newcommand{\FuncSty}[1]{\textnormal{\texttt{#1}}\unskip}%\SetFuncSty{texttt}
\newcommand{\SetFuncSty}[1]{\renewcommand{\FuncSty}[1]{\textnormal{\csname#1\endcsname{##1}}\unskip}}%
\newcommand{\DataSty}[1]{\textnormal{\textsf{#1}}\unskip}%%\SetDataSty{textsf}
\newcommand{\SetDataSty}[1]{\renewcommand{\DataSty}[1]{\textnormal{\csname#1\endcsname{##1}}\unskip}}%
\newcommand{\CommentSty}[1]{\textnormal{\texttt{#1}}\unskip}%%\SetDataSty{texttt}
\newcommand{\SetCommentSty}[1]{\renewcommand{\CommentSty}[1]{\textnormal{\csname#1\endcsname{##1}}\unskip}}%
\newcommand{\TitleSty}[1]{#1\unskip}%\SetTitleSty{}{}
\newcommand{\SetTitleSty}[2]{\renewcommand{\TitleSty}[1]{%
\csname#1\endcsname{\csname#2\endcsname##1}}\unskip}
%
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Block basic commands
%
\newcommand{\al@push}[1]{\advance\skiptotal by #1\moveright #1}
\newcommand{\al@pop}[1]{\advance\skiptotal by -#1}
\newcommand{\al@addskiptotal}{\advance\skiptotal by 0.4pt\advance\hsize by -0.4pt} % 0.4 pt=width of \vrule
\newcommand{\al@subskiptotal}{\advance\skiptotal by -0.4pt\advance\hsize by 0.4pt} % 0.4 pt=width of \vrule
%
\skiphlne=.8ex%
\newcommand{\Setvlineskip}[1]{\skiphlne=#1}
\newcommand{\V@line}[1]{% no vskip in between boxes but a strut to separate them,
\strut\par\nointerlineskip% then interblock space stay the same whatever is inside it
\al@push{\skiprule}% move to the right before the vertical rule
\hbox{\vrule%
\vtop{\al@push{\skiptext}%move the right after the rule
\vtop{\al@addskiptotal\advance\hsize by -\skiplength #1}\Hlne}}\vskip\skiphlne% inside the block
\al@pop{\skiprule}%\al@subskiptotal% restore indentation
\nointerlineskip}% no vskip after
%
\newcommand{\V@sline}[1]{% no vskip in between boxes but a strut to separate them,
\strut\par\nointerlineskip% then interblock space stay the same whatever is inside it
\al@push{\skiprule}% move to the right before the vertical rule
\hbox{\vrule% the vertical rule
\vtop{\al@push{\skiptext}%move the right after the rule
\vtop{\al@addskiptotal\advance\hsize by -\skiplength #1}}}% inside the block
\al@pop{\skiprule}}% restore indentation
%\nointerlineskip}% no vskip after
%
\newcommand{\H@lne}{\hrule height 0.4pt depth 0pt width .5em}
%
\newcommand{\No@line}[1]{% no vskip in between boxes but a strut to separate them,
\strut\par\nointerlineskip% then interblock space stay the same whatever is inside it
\al@push{\skiprule}%
\hbox{%
\vtop{\al@push{\skiptext}%
\vtop{\advance\hsize by -\skiplength #1}}}% inside the block
\al@pop{\skiprule}}%
%\nointerlineskip}% no vskip after
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% default=NoLine
%
\newcommand{\a@@block}[2]{\No@line{##1}\KwSty{##2}\par}
\newcommand{\a@block}[2]{\a@@block{#1}{#2}} % this to be redefined as a@group in
% case of noend option
\newcommand{\a@group}[1]{\No@line{##1}}
\newcommand{\Hlne}{}
%
%
\newcommand{\SetNoline}{%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Noline
\renewcommand{\a@@block}[2]{\No@line{##1}\KwSty{##2}\strut\par}%
\renewcommand{\a@group}[1]{\No@line{##1}}
\renewcommand{\Hlne}{}}
%
\newcommand{\SetVline}{%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Vline
\renewcommand{\a@@block}[2]{\V@line{##1}}%
\renewcommand{\a@group}[1]{\V@sline{##1}\strut\ignorespaces}