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authorKarl Berry <karl@freefriends.org>2019-11-12 21:43:53 +0000
committerKarl Berry <karl@freefriends.org>2019-11-12 21:43:53 +0000
commita9bddb656b9b095c9f5b9ed6ca995d2a72461106 (patch)
tree77506253a998afc728987a6742dc166873bbbfea /Master
parent9d6c49cae17469027c229eb48c1c0c1a6719c805 (diff)
algxpar (12nov19)
git-svn-id: svn://tug.org/texlive/trunk@52758 c570f23f-e606-0410-a88d-b1316a301751
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-rw-r--r--Master/texmf-dist/doc/latex/algxpar/README.md20
-rw-r--r--Master/texmf-dist/doc/latex/algxpar/algxpar.pdfbin0 -> 205770 bytes
-rw-r--r--Master/texmf-dist/source/latex/algxpar/algxpar.dtx1113
-rw-r--r--Master/texmf-dist/source/latex/algxpar/algxpar.ins34
-rw-r--r--Master/texmf-dist/tex/latex/algxpar/algxpar.sty301
-rwxr-xr-xMaster/tlpkg/bin/tlpkg-ctan-check2
-rw-r--r--Master/tlpkg/tlpsrc/algxpar.tlpsrc0
-rw-r--r--Master/tlpkg/tlpsrc/collection-mathscience.tlpsrc1
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diff --git a/Master/texmf-dist/doc/latex/algxpar/README.md b/Master/texmf-dist/doc/latex/algxpar/README.md
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--- /dev/null
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@@ -0,0 +1,20 @@
+# algxpar
+This package extends the algorithmicx package (algpseudocode) to support multiline text.
+
+# Licence
+Copyright (C) 2019 by Jander Moreira (moreira.jander@gmail.com)
+
+This work may be distributed and/or modified under the
+conditions of the LaTeX Project Public License, either version 1.3
+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 1.3 or later is part of all distributions of LaTeX
+version 2005/12/01 or later.
+
+This work has the LPPL maintenance status `maintained'.
+
+The Current Maintainer of this work is Jander Moreira.
+
+This work consists of the files algxpar.dtx and algxpar.ins
+and the derived file algxpar.sty.
diff --git a/Master/texmf-dist/doc/latex/algxpar/algxpar.pdf b/Master/texmf-dist/doc/latex/algxpar/algxpar.pdf
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+++ b/Master/texmf-dist/doc/latex/algxpar/algxpar.pdf
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diff --git a/Master/texmf-dist/source/latex/algxpar/algxpar.dtx b/Master/texmf-dist/source/latex/algxpar/algxpar.dtx
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--- /dev/null
+++ b/Master/texmf-dist/source/latex/algxpar/algxpar.dtx
@@ -0,0 +1,1113 @@
+% \iffalse
+%<*driver>
+\ProvidesFile{algxpar.dtx}
+\documentclass{ltxdoc}
+\usepackage[english]{babel}
+
+\usepackage{xcolor}
+\usepackage{fancyvrb}
+\usepackage{tcolorbox}
+\usepackage[utf8]{inputenc}
+\usepackage[T1]{fontenc}
+\tcbuselibrary{listings, skins, xparse, breakable}
+\newenvironment{commands}{
+ \VerbatimEnvironment
+ \begin{tcolorbox}[
+ bottomrule = 0pt,
+ toprule = 0pt,
+ leftrule = 0pt,
+ rightrule = 0pt,
+ titlerule = 0pt,
+ colframe = white,
+ colback = white,
+ sharp corners,
+ pad at break*=1pc,
+ enhanced jigsaw,
+ overlay first and middle={
+ \coordinate (A1) at ($(interior.south east) + (-10pt,5pt)$);
+ \coordinate (C1) at ($(interior.south east) + (-6pt,7.5pt)$);
+ \draw[fill=tcbcol@frame] (A1) -- +(0,5pt) -- (C1) -- cycle;
+ },
+ ]%
+ \begin{Verbatim}[gobble = 2, tabsize=4, commandchars = &\[\]]%
+}{%
+ \end{Verbatim}%
+ \end{tcolorbox}%
+}
+\newtcolorbox{codigo}[1]{%
+ bottomrule = 0pt,
+ toprule = 0pt,
+ leftrule = 0pt,
+ rightrule = 0pt,
+ titlerule = 0pt,
+ sharp corners,
+ sidebyside,
+ sidebyside align = top,
+ #1
+}
+\newcommand{\afile}[1]{\mbox{\texttt{#1}}}
+\newcommand{\package}[1]{\mbox{\textsf{#1}}}
+\newcommand{\inlinecommand}[1]{\mbox{\texttt{#1}}}
+
+\usetikzlibrary{calc}
+\newenvironment{example}{
+ \begingroup\tcbverbatimwrite{\jobname_code.tmp}
+}{
+ \endtcbverbatimwrite\endgroup%
+ \begin{tcolorbox}[
+ bottomrule = 0pt,
+ toprule = 0pt,
+ leftrule = 0pt,
+ rightrule = 0pt,
+ titlerule = 0pt,
+ colframe = white,
+ segmentation style = {black!30, solid},
+ colback = white,
+ sharp corners,
+ pad at break*=1pc,
+ enhanced jigsaw,
+ breakable,
+ overlay first and middle={
+ \coordinate (A1) at ($(interior.south east) + (-10pt,5pt)$);
+ \coordinate (C1) at ($(interior.south east) + (-6pt,7.5pt)$);
+ \draw[fill=tcbcol@frame] (A1) -- +(0,5pt) -- (C1) -- cycle;
+ },
+ ]%
+ \small\VerbatimInput[tabsize=4, gobble = 2]{\jobname_code.tmp}
+ \tcblower
+% \begin{minipage}{0.85\linewidth}
+ \begin{algorithmic}
+ \input{\jobname_code.tmp}
+ \end{algorithmic}
+% \end{minipage}
+ \end{tcolorbox}
+}
+
+\usepackage[backref=page]{hyperref}
+\hypersetup{
+ colorlinks,
+ urlcolor = blue!20!black,
+ linkcolor = blue!10!black,
+ citecolor = black!80,
+}
+
+\usepackage{algxpar}
+
+\usepackage{imakeidx}
+\makeindex
+
+\EnableCrossrefs
+% \CodelineIndex
+% \PageIndex
+\RecordChanges
+\begin{document}
+ \sloppy
+ \DocInput{algxpar.dtx}
+\end{document}
+%</driver>
+% \fi
+%
+% \let\DM\DescribeMacro
+% \makeatletter
+% \def\cstostr#1{%
+% \expandafter\@gobble\detokenize\expandafter{\string#1}}
+% \makeatother
+% \renewcommand{\DescribeMacro}[1]{%
+% \DM{#1}%
+% }
+%
+% \CheckSum{0}
+%
+% \CharacterTable
+% {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
+% 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
+% Digits \0\1\2\3\4\5\6\7\8\9
+% Exclamation \! Double quote \" Hash (number) \#
+% Dollar \$ Percent \% Ampersand \&
+% Acute accent \' Left paren \( Right paren \)
+% Asterisk \* Plus \+ Comma \,
+% Minus \- Point \. Solidus \/
+% Colon \: Semicolon \; Less than \<
+% Equals \= Greater than \> Question mark \?
+% Commercial at \@ Left bracket \[ Backslash \\
+% Right bracket \] Circumflex \^ Underscore \_
+% Grave accent \` Left brace \{ Vertical bar \|
+% Right brace \} Tilde \~}
+%
+%
+% \changes{v0.9}{2019/10/23}{Initial version}
+%
+% \GetFileInfo{algxpar.sty}
+%
+%
+% \DoNotIndex{\newcommand,\newenvironment,\renewcommand,\renewenvironment}
+% \DoNotIndex{\#,\$,\%,\&,\@,\\,\{,\},\^,\_,\~,\ }
+% \DoNotIndex{\@ne}
+% \DoNotIndex{\advance,\begingroup,\catcode,\closein}
+% \DoNotIndex{\closeout,\day,\def,\edef,\else,\empty,\endgroup}
+% \DoNotIndex{\def,\dimexpr,\parbox,\relax,\else,\fi,\hfill}
+% \DoNotIndex{\setlength,\settowidth,\strut,\ifdim,\ifx}
+% \DoNotIndex{\linewidth,\temp,\theALG@nested}
+% \DoNotIndex{\\}
+% \DoNotIndex{\RaggedRight}
+%
+%
+% \title{The \package{algxpar} package\thanks{This document
+% corresponds to \package{algxpar}~\fileversion, dated \filedate.}}
+% \author{Jander Moreira\\\texttt{moreira.jander@gmail.com}}
+%
+% \maketitle
+% %
+% \begin{abstract}
+% The \textsf{algxpar} packages is an extension of the \textsf{algorithmicx} package to handle multiline text with the proper indentation.
+% \end{abstract}
+%
+% \tableofcontents
+%
+% \PrintChanges
+%
+% \section{Introduction}
+% I teach algorithms and programming and adopted the \package{algorithmicx} package (\package{algpseudocode}) to typeset my code, as it provides a clean, easy to read pseudolanguage algorithms with a minimum effort to write.
+%
+% As part of the teaching process, I use very verbose commands in my algorithms before the students start to use more sintetic text. For example, I use ``\textit{Iniciate a counter $c$ with the value $0$}'', what will become ``${c \gets 0}$'' later. This leads to sentences that often span the text for multiple lines, specially in two-column documents with nested structures.
+%
+% Unfortunatelly, \package{algorithmicx} has no support for multiline statements natively, but it can adapted to use |\parbox|es to achive this goal.
+%
+% This package, therefore, extends macros to handle multiple lines in a seamlessly way. Some new commands and features are also added.
+%
+% \section{Instalation}
+% The package \package{algxpar} is provided by the files \afile{algxpar.ins} and \afile{algxpar.dtx}.
+%
+% If the \afile{.sty} file is not available, it can be generated by running the following at a command line prompt.
+%
+% \begin{commands}
+% latex algxpar.ins
+% \end{commands}
+%
+% Then the generated \afile{algxpar.sty} must be copied to a directory searched by \LaTeX. Package dependencies can be checked in section~\ref{sec:implementation}.
+%
+%
+% \section{Usage}
+% The package must be loaded using
+% \begin{commands}
+% \usepackage&oarg[options]{algxpar}
+% \end{commands}
+%
+% The only option to the package is |brazilian|, which sets the pseudocode ``reserved words'' to Brazilian Portuguese, so |\While| is rendered \textbf{enquanto} instead of \textbf{while}, for example. No other language is supported so far, but a translation can be easily achieved (see section~\ref{sec:customization}).
+%
+%
+% \section{Writing pseudocode}
+% The algorithms must be written using the |algorithmic| environment and use basically the same set of macros defined by \package{algpseudcode}.
+%
+% \begin{commands}
+% \begin{algorithmic}
+% &ensuremath[&langle]&textrm[&textit[contents]]&ensuremath[&rangle]
+% \end{algorithmic}
+% \end{commands}
+%
+% \subsubsection*{Example}
+% Consider the following code.
+%
+% \begin{commands}
+% \begin{algorithmic}
+% \Function{Max}{$a, b$}
+% \If{$a > b$}
+% \Statep{\Return $a$}
+% \Else
+% \Statep{\Return $b$}
+% \EndIf
+% \EndFunction
+% \end{algorithmic}
+% \end{commands}
+%
+% The corresponding typeset is shown below.
+%
+% \begin{algorithmic}
+% \Function{Max}{$a, b$}
+% \If{$a > b$}
+% \Statep{\Return $a$}
+% \Else
+% \Statep{\Return $b$}
+% \EndIf
+% \EndFunction
+% \end{algorithmic}
+%
+%
+% \subsection{Header}
+% A header for the algorithm is proposed so the algorithm can provide a description, its inputs and outputs, as well as the preconditions and post-conditions Therefore, new macros are defined.
+%
+% \DescribeMacro{\Description}
+% A description can be provided for the sake of code documentation. The macro |\Description| is used to provide such a text.
+% \DescribeMacro{\Input}
+% \DescribeMacro{\Output}
+% The input requirements for the algorithm uses the clause |\Input| and the produced by the code should be expressed with |\Output|.
+% \DescribeMacro{\Require}
+% \DescribeMacro{\Ensure}
+% Also, the possibility to use |\Require| and |\Ensure| remains.
+%
+% \subsubsection*{Examples}
+%
+% \begin{example}
+% \Description Evaluates and prints the factorial of $n$
+% \Input A non-negative integer number $n$
+% \Output The value of the factorial $n$\end{example}
+%
+% \begin{example}
+% \Require $n \in \{1, 2, \ldots, 10\}$
+% \Ensure $k = \max(1, 2, \ldots, 10)$\end{example}
+%
+%
+% \subsection{Constants and identifiers}
+% \DescribeMacro{\True}
+% \DescribeMacro{\False}
+% \DescribeMacro{\Nil}
+% Some additional macros were added: |\True|, |\False|, and |\Nil|, producing \True, \False, and \Nil, respectively.
+%
+% \DescribeMacro{\Id}
+% The macro |\Id|\marg{id} was included to support long variable names, such as \Id{maxval} or \Id{count}, for example. This macro handles better ligatures and accented characters than the regular math mode. |$offered$| results in $offered$ and |\Id{offered}| produces \Id{offered}. With accented characters, |$magnético$| and |\Id{magnético}| result in $magnético$ and \Id{magnético}, respectively.
+%
+% \DescribeMacro{\TextString}
+% For literal constants, usually represented quoted in programs and algorithms, the macro |\TextString|\marg{text} is provided, so |\TextString{Error}| produces \TextString{Error}.
+%
+% \DescribeMacro{\VisibleSpace}
+% An additional macro called |\VisibleSpace| is also provided to produce \VisibleSpace. Sometimes the number of spaces is relevant in text strings, so one can write |\TextString{a\VisibleSpace\VisibleSpace\VisibleSpace b}| to get \TextString{a\VisibleSpace\VisibleSpace\VisibleSpace b}.
+%
+% The macros |\Id| and |\TextString| work in text and math modes.
+%
+% \subsection{Assignment, reading and writing}
+% \DescribeMacro{\gets}
+% The default symbol for assigning values to variables is $\gets$, provided by |\gets|. This is a clearer option, once the equal sign is left just for comparisons.
+%
+% \DescribeMacro{\Read}
+% \DescribeMacro{\Write}
+% Although not common in algorithms published in scientific journals, explicit reading and writing is necessary for basic algorithms. Therefore |\Read| and |\Write| fulfills this need.
+%
+% \begin{example}
+% \Statep{\Read\ $a, b$}
+% \Statep{$s \gets a + b$}
+% \Statep{\Write\ $s$}\end{example}
+%
+% \subsection{Comments}
+% Comments use the symbol \makeatletter\axp@commentleftsymbol\makeatother\ preceding the commented text and stay close to the left margin. Comment macros are intended to be used with |\State| or |\Statex|, when no multiline handling is done. Comments with multiline control are considered starting at section~\ref{sec:statements}.
+%
+% \DescribeMacro{\Comment}
+% The macro |\Comment|\marg{text} puts \meta{text} at the end of the line.
+%
+% \DescribeMacro{\Commentl}
+% A variant, |\Commentl|\marg{text}, places the commented text without moving it to the left margin. It is a ``local'' comment.
+%
+% \DescribeMacro{\CommentIn}
+% A third option is |\CommentIn|\marg{text}, that places the comment locally, but finishes it with \makeatletter\axp@commentrightsymbol\makeatother. Yes, that is really ugly.
+%
+% \begin{example}
+% \State\Commentl{Simple counter}
+% \State $c \gets 1$\Comment{initialize conter}
+% \State $n \gets \Call{FirstInstance}{}$
+% \While{$n < 0$}
+% \State $c \gets c + 1$\Comment{counts one more}
+% \State $n \gets \mbox{\CommentIn{all new} } \Call{NewInstance}{}$
+% \EndWhile
+% \end{example}
+%
+% \subsection{Statements}\label{sec:statements}%
+% \DescribeMacro{\Statep}
+% \DescribeMacro{\State}
+% \DescribeMacro{\Statex}
+% The statements should use |\Statep|\marg{text}, which defines a hang indent for continued lines. The \package{algorithmicx}'s |\State| and |\Statex| can be used as well.
+%
+% In opposition to |\State| and |\Statex|, which uses justified text, |\Statep| aligns only to the left, what is aesthetically better than justification in my opinion.
+%
+% Since |\Statep| uses a |\parbox| to span the text over multiple lines, no room is left for a comment. When needed a comment can be added through the optional argument: |\Statep|\oarg{comment}\marg{text}.
+%
+% \subsubsection*{Example}
+% \begin{example}
+% \Statep{Calculate the value of $x$ using $k$ and $m$,
+% considering the stochastic distribution}
+% \Statep[$k \neq 0$, $m > k$]{Calculate the value of $x$
+% using $k$ and $m$, considering the stochastic distribution}\end{example}
+%
+% \subsection{Conditionals}
+% The traditional \textbf{if}-\textbf{then}-\textbf{else} structure is suported, handling nested commands as well.
+% An \textbf{else~if} construction avoids nesting \textbf{if}s and getting too much indentation. The macros are: |\If|, |\Else|, and |\ElsIf|.
+%
+% \DescribeMacro{\If}
+% \DescribeMacro{\Else}
+% |\If|\oarg{comment}\marg{condition} is used for conditional execution and is ended with a |\EndIf|. The optional \meta{comment} is typeset to the left and the \meta{condition} is put in a |\parbox|. Regular |\Comment| and |\Commentl| can be used after |\Else|.
+%
+% \DescribeMacro{\ElsIf}
+% The \textbf{else~if} clause is specified by |\ElsIf|\oarg{comment}\marg{condition}.
+%
+% \DescribeMacro{\Switch}
+% \DescribeMacro{\EndSwitch}
+% \DescribeMacro{\Case}
+% \DescribeMacro{\EndCase}
+% \DescribeMacro{\Otherwise}
+% \DescribeMacro{\EndOtherwise}
+% Flow control using a selection structure are provided by the macro |\Switch|\oarg{comment}\marg{selector}, ended with |\EndSwitch|. Each matching clause uses |\Case|\oarg{comment}\marg{value} and |\EndCase|. The default uses |\Otherwise| and |\EndOtherwise|.
+%
+% To specify ranges, the macro |\Range|\oarg{step}\marg{start}\marg{end} can be used. For example, |\Range{1}{10}| outputs \Range{1}{10} and |\Range[2]{0}{10}| prints \Range[2]{0}{10}.
+%
+% \subsubsection*{Examples}
+%
+% \begin{example}
+% \If{$a < 0$}
+% \Statep{$a \gets 0$}
+% \EndIf\end{example}
+%
+% \begin{example}
+% \If[closing doors]{the building is empty and the
+% security system is active}
+% \Statep{$\Id{status} \gets \TextString{ok}$}
+% \Else
+% \Statep{$\Id{status} \gets \TextString{not ok}$}
+% \EndIf\end{example}
+%
+% \begin{example}
+% \If[desired status]{$n \geq 0.8$}
+% \Statep{$\Id{status} \gets \TextString{excelent}$}
+% \ElsIf{$n \geq 0.7$}
+% \Statep{$\Id{status} \gets \TextString{great}$}
+% \ElsIf{$n \geq 0.5$}
+% \Statep{$\Id{status} \gets \TextString{good}$}
+% \ElsIf{$n \geq 0.2$}
+% \Statep{$\Id{status} \gets \TextString{not so good}$}
+% \Else\Comment{minimum not achieved}
+% \Statep{$\Id{status} \gets \TextString{call for help}$}
+% \EndIf\end{example}
+%
+% \begin{example}
+% \Switch[$1 \leq \Id{month} \leq 12$]{\Id{month}}
+% \Case{2}
+% \If{\Call{IsLeapYear}{\Id{year}}}
+% \Statep{$n_{days} \gets 29$}
+% \Else
+% \Statep{$n_{days} \gets 28$}
+% \EndIf
+% \EndCase
+% \Case{4, 6, 9, 11}
+% \Statep{$n_{days} \gets 30$}
+% \EndCase
+% \Otherwise\Comment{1, 3, 5, 7, 8, 10, 12}
+% \Statep{$n_{days} \gets 31$}
+% \EndOtherwise
+% \EndSwitch\end{example}
+%
+% \subsection{Loops}
+% Loops uses \textbf{while}, \textbf{repeat~until}, and \textbf{for} flow control.
+%
+% \DescribeMacro{\While}
+% \DescribeMacro{\EndWhile}
+% Loops with condition on top uses |\While|\oarg{comment}\marg{condition} and are ended with |\EndWhile|.
+%
+% \DescribeMacro{\Repeat}
+% \DescribeMacro{\Until}
+% When loops have their termination condition tested at the bottom, the macros |\Repeat| and |\Until|\oarg{comment}\marg{condition} are used.
+%
+% \DescribeMacro{\For}
+% \DescribeMacro{\ForAll}
+% \DescribeMacro{\ForEach}
+% The \textbf{for} loop starts with |\For|\oarg{comment}\marg{condition} and ends with |\EndFor|. To make things more versatile, |\For| can be replaced by |\ForAll| or |\ForEach|.
+%
+% \DescribeMacro{\To}
+% \DescribeMacro{\DownTo}
+% \DescribeMacro{\Step}
+% Some macros for supporting loops are also provided: |\To|, |\DownTo|, and |\Step|, which defaults to \To, \DownTo, and \Step, repectively.
+%
+% \subsection*{Examples}
+% \begin{example}
+% \While{there is data in the input stream and no
+% termination signal was received}
+% \Statep{Get element $e$ from the input stream}
+% \Statep{\Call{Process}{$e$}}
+% \EndWhile\end{example}
+%
+% \begin{example}
+% \Statep[$n_1, n_2 > 0$]{Let $n_1$ and $n_2$
+% be the two integers in order to find the greatest
+% number that divides both}
+% \Repeat
+% \Statep[$n_1 \bmod n_2$]{Set \Id{rest} as the
+% rest of the integer
+% division of $n_1$ by $n_2$}
+% \Statep{Redefine $n_1$ with the value of $n_2$}
+% \Statep{Redefine $n_2$ with the value of \Id{rest}}
+% \Until[terminates]{$\Id{rest} = 0$}
+% \Statep[greatest common divisor]{Set $m$ to the value of $n_1$}\end{example}
+%
+% \begin{example}
+% \For{$i \gets n-1$ \DownTo\ $0$}
+% \Statep{$s \gets s + i$}
+% \EndFor\end{example}
+%
+% \begin{example}
+% \ForEach[main transactions]{transaction $t$ in the flow
+% of transactions for month $m$}
+% \Statep{\Call{ProcessTransaction}{$t$}}
+% \EndFor\end{example}
+%
+% \begin{example}
+% \ForAll{$e$ in set $M$}
+% \Statep{\Call{ProcessElement}{$e$}}
+% \EndFor\end{example}
+%
+% \subsection{Procedures and functions}
+% \DescribeMacro{\Procedure}
+% \DescribeMacro{\EndProcedure}
+% \DescribeMacro{\Function}
+% \DescribeMacro{\EndFunction}
+% \DescribeMacro{\Return}
+% Procedure and functions are supported with |\Procedure|\marg{name}\marg{arguments} and |\EndProcedure| and |\Function|\marg{name}\marg{arguments} and |\EndFunction|. The return value for functions use |\Return|.
+%
+% \subsection*{Examples}
+% \begin{example}
+% \Procedure{PrintError}{$code$}
+% \Switch{$code$}
+% \Case{1}
+% \Statep{\Write\ \TextString{Not found}}
+% \EndCase
+% \Case{2}
+% \Statep{\Write\ \TextString{Access denied}}
+% \EndCase
+% \Case{3}
+% \Statep{\Write\ \TextString{Blocked}}
+% \EndCase
+% \Otherwise
+% \Statep{\Write\ \TextString{Unknown}}
+% \EndOtherwise
+% \EndSwitch
+% \EndProcedure\end{example}
+%
+% \begin{example}
+% \Function{CelsiusToFahrenheit}{$t$}
+% \Statep{\Return $\dfrac{9}{5}t + 32$}
+% \EndFunction\end{example}
+%
+% \begin{example}
+% \Function[many parameters]{MyFunction}
+% {$a$, $b$, $c$, $d$, $e$, $f$, $g$, $h$, $i$, $j$, $k$, $l$}
+% \Statep{\Return $\dfrac{a+b+c+d}{f+g+hi^{j}}kl$}
+% \EndFunction\end{example}
+% %
+% \section{Extras}
+% Sometimes just letting the |\parbox| handle the line breaks is not enough.
+% \DescribeMacro{\NewLine}
+% The macro |\NewLine| can be used to manually break lines.
+%
+% \DescribeEnv{DefineCode}
+% \DescribeMacro{\UseCode}
+% \DescribeMacro{\ShowCode}
+% It is possible to define pieces of code for later use. Using the environment |DefineCode| with a \meta{name}, a part of the pseudocode can be specified and used with |\UseCode|\marg{name}. The \meta{name} provided should be unique; when repeated the code is overwritten. The macro |\ShowCode|\oarg{options}\marg{name} displays the saved code \textit{verbatim}. Any option for |\VerbatimInput| from \package{fancyvrb} can be specified in \meta{options}. All chuncks of code are written to temporary files.
+%
+%
+% \subsection*{Examples}
+%
+% \begin{example}
+% \If{$h > 0$ and\NewLine
+% ($n_1 \neq 0$ or $n_2 < n_1$) and \NewLine
+% $p \neq \Nil$}
+% \Statep{\Call{DoSomething}{}}
+% \Else
+% \Statep{\Call{DoSomethingElse}{}}
+% \EndIf
+% \end{example}
+%
+% \begin{DefineCode}{half_in_out}
+% \Input A number $n$
+% \Output Half of $n$ (i.e., $n/2$)
+% \end{DefineCode}
+% \begin{DefineCode}{half_code}
+% \Statep[in]{Get $n$}
+% \Statep[out]{Print $n/2$}
+% \end{DefineCode}
+%
+% \begin{minipage}{\linewidth}
+% \small
+% \begin{Verbatim}[gobble = 2, tabsize = 4]
+% \begin{DefineCode}{half_in_out}
+% \Input A number $n$
+% \Output Half of $n$ (i.e., $n/2$)
+% \end{DefineCode}
+% \begin{DefineCode}{half_code}
+% \Statep[in]{Get $n$}
+% \Statep[out]{Print $n/2$}
+% \end{DefineCode}
+% \end{Verbatim}
+% \end{minipage}
+%
+% \vspace{\baselineskip}Inside |algorithmic| one can use the following definitions.
+% \begin{example}
+% \UseCode{half_in_out}
+% \Statep{\Commentl{Code}}
+% \UseCode{half_code}
+% \end{example}
+%
+% The source is shown by |\ShowCode{half_code}|.
+% \ShowCode[gobble = 2]{half_code}
+%
+% \StopEventually{}
+%
+%
+% \section{Implementation}\label{sec:implementation}%
+% This package is \package{algxpar}~\fileversion~--~\LaTeXe.
+% \vspace{\baselineskip}
+% \begin{macrocode}
+\NeedsTeXFormat{LaTeX2e}[2005/12/01]
+\ProvidesPackage{algxpar}
+ [2019/10/24 v0.9 Algorithms with multiline/paragraph support]
+% \end{macrocode}
+
+% \iffalse
+%% Package options
+% \fi
+% \begin{macrocode}
+\newif\ifaxp@brazilian\axp@brazilianfalse
+\DeclareOption{brazilian}{\axp@braziliantrue}
+\DeclareOption*{\PackageWarning{algxpar}{Unknown ‘\CurrentOption’}}
+\ProcessOptions\relax
+% \end{macrocode}
+
+% \iffalse
+%% Required packages
+% \fi
+% \package{ragged2e}: for |\RaggedRight|\par
+% \package{listings}: to get accented characters in verbatim mode (pt\_BR)\par
+% \package{amsmath}, amssymb: for |\triangleright| and |\triangleleft|\par
+% \package{xcolor}: gray color for |\VisibleSpace|\par
+% \package{tcolorbox}: verbatim save to file\par
+% \package{fancyvrb}: verbatim read from file with tabs\par
+% \begin{macrocode}
+\RequirePackage{algorithmicx}
+\RequirePackage{algpseudocode}
+\RequirePackage{ragged2e}
+\RequirePackage{listings}
+\RequirePackage{amsmath, amssymb}
+\RequirePackage{xcolor}
+\RequirePackage{tcolorbox} % to save verbatim
+\RequirePackage{fancyvrb} % to load verbatim preserving tabs
+% \end{macrocode}
+
+% \iffalse
+%% Constants and identifiers
+% \fi
+% \begin{macro}{\True}
+% \begin{macro}{\False}
+% \begin{macro}{\Nil}
+% \begin{macro}{\Id}
+% \begin{macro}{\TextString}
+% \begin{macro}{\VisibleSpace}
+% \begin{macrocode}
+\algnewcommand\algorithmictrue{\textsc{True}}
+\algnewcommand\algorithmicfalse{\textsc{False}}
+\algnewcommand\algorithmicnil{\textsc{Nil}}
+\algnewcommand\True{\mbox{\algorithmictrue}}
+\algnewcommand\False{\mbox{\algorithmicfalse}}
+\algnewcommand\Nil{\mbox{\algorithmicnil}}
+\newcommand{\Id}[1]{\mbox{\textit{\rmfamily #1}}}
+\newcommand{\TextString}[1]{\textrm{\normalfont``{\ttfamily\mbox{#1}}''}}
+\algnewcommand{\VisibleSpace}{\textrm{\color{black!70}\textvisiblespace}}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+
+% \iffalse
+%% Headings
+% \fi
+% \begin{macro}{\Description}
+% \begin{macro}{\Input}
+% \begin{macro}{\Output}
+% \begin{macro}{\Ensure}
+% \begin{macro}{\Require}
+% \begin{macrocode}
+\algnewcommand\algorithmicdescription{\textbf{Description}}
+\algnewcommand\algorithmicinput{\textbf{Input}}
+\algnewcommand\algorithmicoutput{\textbf{Output}}
+\algrenewcommand\algorithmicensure{\textbf{Ensure}}
+\algrenewcommand\algorithmicrequire{\textbf{Require}}
+\algnewcommand\Description{\item[\algorithmicdescription:]}
+\algnewcommand\Input{\item[\algorithmicinput:]}
+\algnewcommand\Output{\item[\algorithmicoutput:]}
+\algrenewcommand\Ensure{\item[\algorithmicensure:]}
+\algrenewcommand\Require{\item[\algorithmicrequire:]}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+
+% \iffalse
+%% Read, write
+% \fi
+% \begin{macro}{\Read}
+% \begin{macro}{\Write}
+% \begin{macrocode}
+\algnewcommand{\algorithmicread}{\textbf{read}}
+\algnewcommand{\algorithmicwrite}{\textbf{write}}
+\algnewcommand{\Read}{\algorithmicread}
+\algnewcommand{\Write}{\algorithmicwrite}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+
+% \iffalse
+%% Comments
+% \fi
+% \begin{macro}{\Comment}
+% \begin{macro}{\Commentl}
+% \begin{macro}{\CommentIn}
+% \begin{macrocode}
+\newcommand{\axp@commentleftsymbol}{$\triangleright$}
+\newcommand{\axp@commentrightsymbol}{$\triangleleft$}
+\algnewcommand{\CommentIn}[1]{\axp@commentleftsymbol~%
+ \textsl{#1}~\axp@commentrightsymbol}
+\algnewcommand{\Commentl}[1]{\axp@commentleftsymbol~\textsl{#1}}
+\algrenewcommand{\algorithmiccomment}[1]{%
+ \def\tmp{#1}%
+ \ifx\tmp\empty\else%
+ \hfill\Commentl{#1}%
+ \fi
+}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+%
+
+% \iffalse
+%% Statep
+% \fi
+% \begin{macro}{\Statep}
+% \begin{macrocode}
+\newlength{\axp@stateindent}
+\setlength{\axp@stateindent}{\dimexpr\algorithmicindent/2\relax}
+\algnewcommand{\Statep}[2][]{\State\algparbox[#1]{#2}{\axp@stateindent}}
+% \end{macrocode}
+%\end{macro}
+
+% \iffalse
+%% While
+% \fi
+% \begin{macro}{\While}
+% \begin{macro}{\EndWhile}
+% \begin{macrocode}
+\newlength{\axp@whilewidth}
+\algblockdefx{While}{EndWhile}%
+ [2][]{%
+ \settowidth{\axp@whilewidth}{\algorithmicwhile\ }%
+ \algparbox[#1]{\algorithmicwhile\ #2~\algorithmicdo}{\axp@whilewidth}%
+ }%
+ {\algorithmicend\ \algorithmicwhile}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+
+% \iffalse
+%% Repeat
+% \fi
+% \begin{macro}{\Repeat}
+% \begin{macro}{\Until}
+% \begin{macrocode}
+\newlength{\axp@untilwidth}
+\algblockdefx{Repeat}{Until}%
+ {\algorithmicrepeat}%
+ [2][]{%
+ \settowidth{\axp@untilwidth}{\algorithmicuntil\ }%
+ \axp@algparbox{#1}{\algorithmicuntil\ #2}{\axp@untilwidth}{0}%
+ }
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+
+% \iffalse
+%% If, else if, else
+% \fi
+% \begin{macro}{\If}
+% \begin{macro}{\Else}
+% \begin{macro}{\ElsIf}
+% \begin{macro}{\EndIf}
+% \begin{macrocode}
+\newlength{\axp@ifwidth}
+\newlength{\axp@elseifwidth}
+\algblockdefx[If]{If}{EndIf}%
+ [2][]{%
+ \settowidth{\axp@ifwidth}{\algorithmicif\ }%
+ \algparbox[#1]{\algorithmicif\ #2~\algorithmicthen}{\axp@ifwidth}%
+ }
+ {\algorithmicend\ \algorithmicif}
+\algcblockx[If]{If}{ElsIf}{EndIf}
+ [2][]{%
+ \settowidth{\axp@elseifwidth}{\algorithmicelse\ \algorithmicif\ }%
+ \algparbox[#1]{\algorithmicelse~\algorithmicif\ #2~\algorithmicthen}{\axp@elseifwidth}%
+ }
+ {\algorithmicend\ \algorithmicif}
+\algcblockx{If}{Else}{EndIf}
+ {\textbf{\algorithmicelse}}
+ {\textbf{\algorithmicend~\algorithmicif}}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+
+% \iffalse
+%% Switch, case, otherwise
+% \fi
+% \begin{macro}{\Switch}
+% \begin{macro}{\EndSwitch}
+% \begin{macro}{\Case}
+% \begin{macro}{\EndCase}
+% \begin{macro}{\Otherwise}
+% \begin{macro}{\EndOtherwise}
+% \begin{macro}{\Range}
+% \begin{macrocode}
+\algnewcommand{\algorithmicswitch}{\textbf{switch}}
+\algnewcommand{\algorithmicof}{\textbf{of}}
+\algnewcommand{\algorithmiccase}{\textbf{case}}
+\algnewcommand{\algorithmicotherwise}{\textbf{otherwise}}
+\newlength{\axp@switchwidth}
+\algblockdefx{Switch}{EndSwitch}%
+ [2][]{%
+ \settowidth{\axp@switchwidth}{\algorithmicswitch\ }%
+ \algparbox[#1]{\algorithmicswitch\ #2~\algorithmicof}{\axp@switchwidth}%
+ }
+ {\algorithmicend~\algorithmicswitch}
+\newlength{\axp@casewidth}
+\algblockdefx{Case}{EndCase}%
+ [2][]{%
+ \settowidth{\axp@casewidth}{\algorithmiccase\ }%
+ \algparbox[#1]{\algorithmiccase\ #2~\algorithmicdo}{\axp@casewidth}%
+ }
+ {\algorithmicend~\algorithmiccase}
+\algblockdefx{Otherwise}{EndOtherwise}%
+ {\algorithmicotherwise~\algorithmicdo}%
+ {\textbf{\algorithmicend\ \algorithmicotherwise}}
+\newcommand{\Range}[3][]{%
+ \ensuremath{%
+ #2%
+ \def\temp{#1}%
+ \mathcal{\ldotp\ldotp}#3
+ \ifx\temp\empty\relax\else{\ensuremath{\mathcal{:}#1}}\fi%
+ }%
+}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+
+% \iffalse
+%% For, for each, for all
+% \fi
+% \begin{macro}{\For}
+% \begin{macro}{\ForEch}
+% \begin{macro}{\ForAll}
+% \begin{macro}{\EndFor}
+% \begin{macro}{\To}
+% \begin{macro}{\DownTo}
+% \begin{macro}{\Step}
+% \begin{macrocode}
+\algnewcommand{\To}{\textbf{to}}
+\algnewcommand{\DownTo}{\textbf{downto}}
+\algnewcommand{\Step}{\textbf{step}}
+\newlength{\axp@forwidth}
+\algblockdefx{For}{EndFor}%
+ [2][]{%
+ \settowidth{\axp@forwidth}{\algorithmicfor\ }%
+ \algparbox[#1]{\algorithmicfor\ #2~\algorithmicdo}{\axp@forwidth}%
+ }
+ {\algorithmicend\ \algorithmicfor}
+\algnewcommand{\algorithmicforeach}{\textbf{for~each}}
+\newlength{\axp@foreachwidth}
+\algblockdefx{ForEach}{EndFor}%
+ [2][]{%
+ \settowidth{\axp@foreachwidth}{\algorithmicforeach\ }%
+ \algparbox[#1]{\algorithmicforeach\ #2~\algorithmicdo}{\axp@foreachwidth}%
+ }
+ {\algorithmicend\~\algorithmicfor}
+\newlength{\axp@forallwidth}
+\algblockdefx{ForAll}{EndFor}%
+ [2][]{%
+ \settowidth{\axp@forallwidth}{\algorithmicforall\ }%
+ \algparbox[#1]{\algorithmicforall\ #2~\algorithmicdo}{\axp@forallwidth}%
+ }%
+ {\algorithmicend\ \algorithmicfor}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+
+% \iffalse
+%% Procedure, function, calls
+% \fi
+% \begin{macro}{\Procedure}
+% \begin{macro}{\EndProcedure}
+% \begin{macro}{\Function}
+% \begin{macro}{\EndFunction}
+% \begin{macro}{\Call}
+% \begin{macrocode}
+\newlength{\axp@procedurewidth}
+\newlength{\axp@namewidth}
+\algblockdefx{Procedure}{EndProcedure}%
+ [3][]{%
+ \settowidth{\axp@procedurewidth}{\algorithmicprocedure~}%
+ \settowidth{\axp@namewidth}{\textsc{#2}(}%
+ \addtolength{\axp@procedurewidth}{0.6\axp@namewidth}%
+ \algparbox[#1]{\algorithmicprocedure\ \textsc{#2}(#3)}{\axp@procedurewidth}
+ }%
+ {\algorithmicend\ \algorithmicprocedure}
+\newlength{\axp@functionwidth}
+\algblockdefx{Function}{EndFunction}%
+ [3][]{%
+ \settowidth{\axp@functionwidth}{\algorithmicfunction~}%
+ \settowidth{\axp@namewidth}{\textsc{#2}(}%
+ \addtolength{\axp@functionwidth}{0.6\axp@namewidth}%
+ \algparbox[#1]{\algorithmicfunction\ \textsc{#2}(#3)}{\axp@functionwidth}
+ }%
+ {\algorithmicend\ \algorithmicfunction}
+\algrenewcommand\Call[2]{%
+ \def\argstmp{#2}%
+ \textsc{#1}\ifx\argstmp\empty\mbox{(\hskip0.5ex)}\else(#2)\fi%
+}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+
+% \iffalse
+%% NewLine
+% \fi
+% \begin{macro}{\NewLine}
+% \begin{macrocode}
+\newcommand{\NewLine}{\\}
+% \end{macrocode}
+% \end{macro}
+
+% \iffalse
+%% DefineCode, UseCode, \ShowCode
+% \fi
+% \begin{environment}{DefineCode}
+% \begin{macro}{\UseCode}
+% \begin{macro}{\ShowCode}
+% \begin{macrocode}
+\newenvironment{DefineCode}[1]
+{\begingroup\tcbverbatimwrite{\jobname_code_#1.tmp}}
+{\endtcbverbatimwrite\endgroup}
+\newcommand{\UseCode}[1]{\input{\jobname_code_#1.tmp}}
+\newcommand{\ShowCode}[2][]{{\small\VerbatimInput[tabsize=4, #1]%
+ {\jobname_code_#2.tmp}}}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{environment}
+
+% \begin{macro}{\alglinenumber}
+% \begin{macrocode}
+\algrenewcommand{\alglinenumber}[1]%
+ {\hspace{-1em}\color{black!35}{\scriptsize#1}{\tiny$\blacktriangleright$}}
+% \end{macrocode}
+% \end{macro}
+
+% \iffalse
+%% axp@algparbox
+% \fi
+% \begin{macro}{\axp@algparbox}
+% \begin{macrocode}
+\newlength{\axp@commentwidth}
+\setlength{\axp@commentwidth}{0pt}
+\newcommand{\algparbox}[3][]{\axp@algparbox{#1}{#2}{#3}{1}}
+
+\newlength{\axp@largestcommentwidth}
+\setlength{\axp@largestcommentwidth}{0.3\linewidth}
+\newcommand{\axp@algparbox}[4]{%
+ \def\temp{#1}%
+ \ifx\temp\empty%
+ \setlength{\axp@commentwidth}{-2em}%
+ \else%
+ \settowidth{\axp@commentwidth}{\axp@commentleftsymbol\ #1}%
+ \ifdim\axp@commentwidth>\axp@largestcommentwidth\relax%
+ \setlength{\axp@commentwidth}{\axp@largestcommentwidth}%
+ \fi%
+ \fi%
+ \renewcommand{\NewLine}{\\\hspace{#3}}%
+ \parbox[t]{\dimexpr\linewidth-\axp@commentwidth-%
+ (\algorithmicindent)*(\theALG@nested - #4)-2em}%
+ {\RaggedRight\setlength{\hangindent}{#3}#2\strut}%
+ \ifx\temp\empty\else%
+ \hfill\axp@commentleftsymbol\hspace{0.5em}%
+ \parbox[t]{\axp@commentwidth}{\slshape\RaggedRight#1}%
+ \fi%
+ \renewcommand{\NewLine}{\\}%
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macrocode}
+\lstset{
+ literate=
+ {á}{{\'a}}1 {é}{{\'e}}1 {í}{{\'i}}1 {ó}{{\'o}}1 {ú}{{\'u}}1
+ {Á}{{\'A}}1 {É}{{\'E}}1 {Í}{{\'I}}1 {Ó}{{\'O}}1 {Ú}{{\'U}}1
+ {à}{{\`a}}1 {è}{{\`e}}1 {ì}{{\`i}}1 {ò}{{\`o}}1 {ù}{{\`u}}1
+ {À}{{\`A}}1 {È}{{\'E}}1 {Ì}{{\`I}}1 {Ò}{{\`O}}1 {Ù}{{\`U}}1
+ {ä}{{\"a}}1 {ë}{{\"e}}1 {ï}{{\"i}}1 {ö}{{\"o}}1 {ü}{{\"u}}1
+ {ã}{{\~a}}1 {õ}{{\~o}}1
+ {Ã}{{\~A}}1 {Õ}{{\~O}}1
+ {Ä}{{\"A}}1 {Ë}{{\"E}}1 {Ï}{{\"I}}1 {Ö}{{\"O}}1 {Ü}{{\"U}}1
+ {â}{{\^a}}1 {ê}{{\^e}}1 {î}{{\^i}}1 {ô}{{\^o}}1 {û}{{\^u}}1
+ {Â}{{\^A}}1 {Ê}{{\^E}}1 {Î}{{\^I}}1 {Ô}{{\^O}}1 {Û}{{\^U}}1
+ {ç}{{\c c}}1 {Ç}{{\c C}}1
+ {ø}{{\o}}1 {å}{{\r a}}1 {Å}{{\r A}}1
+ {œ}{{\oe}}1 {Œ}{{\OE}}1 {æ}{{\ae}}1 {Æ}{{\AE}}1
+ {ß}{{\ss}}1
+ {ű}{{\H{u}}}1 {Ű}{{\H{U}}}1 {ő}{{\H{o}}}1 {Ő}{{\H{O}}}1
+ {£}{{\pounds}}1
+ {«}{{\guillemotleft}}1
+ {»}{{\guillemotright}}1
+ {ñ}{{\~n}}1 {Ñ}{{\~N}}1 {¿}{{?`}}1
+}
+% \end{macrocode}
+
+%
+% \section{Customization}\label{sec:customization}%
+% By default, the longest width for a comment at the right margin is
+%|0.3\linewidth|. This can be changed using something like the code below.
+%
+% \begin{commands}
+% \makeatletter
+% \setlength{\axp@largestcommentwidth}{&meta[new length]}
+% \makeatother
+% \end{commands}
+%
+% The assignment sign can be changed from $\gets$ to anything else, as well as the symbols used in comments.
+%
+% \begin{commands}
+% \renewcommand{\gets}{\mathop{::=}}
+% \renewcommand{\axp@commentleftsymbol}{\texttt{//}}
+% \renewcommand{\axp@commentrightsymbol}{\texttt{*/}}
+% \end{commands}
+%
+% The translation to Brazilian Portugues is straight forward.
+%
+% \begin{macrocode}
+\ifaxp@brazilian
+\RequirePackage{icomma} % comma as decimal separator
+\algrenewcommand\algorithmicdescription{\textbf{Descrição}}
+\algrenewcommand\algorithmicinput{\textbf{Entrada}}
+\algrenewcommand\algorithmicoutput{\textbf{Saída}}
+\algrenewcommand\algorithmicrequire{\textbf{Pré}}
+\algrenewcommand\algorithmicensure{\textbf{Pós}}
+\algrenewcommand{\algorithmicend}{\textbf{fim}}
+\algrenewcommand{\algorithmicif}{\textbf{se}}
+\algrenewcommand{\algorithmicthen}{\textbf{então}}
+\algrenewcommand{\algorithmicelse}{\textbf{senão}}
+\algrenewcommand{\algorithmicswitch}{\textbf{escolha}}
+\algrenewcommand{\algorithmicof}{\textbf{de}}
+\algrenewcommand{\algorithmiccase}{\textbf{caso}}
+\algrenewcommand{\algorithmicotherwise}{\textbf{caso~contrário}}
+\algrenewcommand{\algorithmicfor}{\textbf{para}}
+\algrenewcommand{\algorithmicdo}{\textbf{faça}}
+\algrenewcommand{\algorithmicwhile}{\textbf{enquanto}}
+\algrenewcommand{\algorithmicforall}{\textbf{para cada}}
+\algrenewcommand{\algorithmicrepeat}{\textbf{repita}}
+\algrenewcommand{\algorithmicuntil}{\textbf{até que}}
+\algrenewcommand{\algorithmicloop}{\textbf{repita}}
+\algrenewcommand{\algorithmicforeach}{\textbf{para~cada}}
+\algrenewcommand{\algorithmicforall}{\textbf{para~todo}}
+\algrenewcommand{\algorithmicfunction}{\textbf{função}}
+\algrenewcommand{\algorithmicprocedure}{\textbf{procedimento}}
+\algrenewcommand{\algorithmicreturn}{\textbf{retorne}}
+\algrenewcommand\algorithmictrue{\textsc{Verdadeiro}}
+\algrenewcommand\algorithmicfalse{\textsc{Falso}}
+\algrenewcommand\algorithmicnil{\textsc{Nulo}}
+\algrenewcommand{\algorithmicread}{\textbf{leia}}
+\algrenewcommand{\algorithmicwrite}{\textbf{escreva}}
+\algrenewcommand{\To}{\textbf{até}}
+\algrenewcommand{\DownTo}{\textbf{decrescente~até}}
+\algrenewcommand{\Step}{\textbf{passo}}
+\fi
+% \end{macrocode}
+%
+% \section{To do\ldots}
+% There are lots of improvements to make in the code. I recognize it!
+%
+% \section*{Appendix}
+% \appendix
+%\section{An example}
+% \newcommand*{\Leaf}{\mbox{\textsc{Leaf}}}
+% \newcommand*{\Internal}{\mbox{\textsc{Internal}}}
+% \newcommand*{\InvalidItem}{\mbox{\textsc{InvalidItem}}}
+%
+% \begin{example}
+% \Description Inserts a new item in the B-tree structure,
+% handling only the root node
+% \Input The \Id{item} to be inserted
+% \Output Returns \True\ in case of success, \False\ in
+% case of failure (i.e., duplicated keys)
+% \Function{Insert}{\Id{item}}
+% \If{\Id{tree.root address} is \Nil}
+% \Statep{\Commentl{Create first node}}
+% \Statep[\Nil\ = new node]{$\Id{new root node}
+% \gets \Call{GetNode}{\Nil}$}
+% \Statep[only item]{Insert \Id{item} in \Id{new
+% root node} and set both its left and right
+% childs to \Nil; also set \Id{new root
+% node.count} to 1}
+% \Statep[first node is always a leaf]{Set \Id{new
+% root node.type} to \Leaf}
+% \Statep[flag that node must be updated in file]
+% {Set \Id{new root node.modified} to \True}
+% \Statep{\Call{WriteNode}{\Id{new root node}}}
+% \Statep{$\Id{tree.root address} \gets
+% \Id{new root node.address}$}
+% \Statep[update root address in file]
+% {\Call{WriteRootAddress}{}}
+% \Statep{\Return \True}
+% \Else
+% \Statep{\Commentl{Insert in existing tree}}
+% \Statep[]{$\Id{success}$,
+% $\Id{promoted item}$, $\Id{new node address} \gets
+% \Call{SearchInsert}{\Id{tree.root address},
+% \Id{item}}$}
+% \If[root has splitted]{\Id{success} and
+% ${\Id{new node address}\neq\Nil}$}
+% \Statep[new root]{$\Id{new root node} \gets
+% \Call{GetNode}{\Nil}$}
+% \Statep{Insert \Id{promoted item} in \Id{new
+% root node} and set \Id{new root node.count}
+% to 1}
+% \Statep[tree height grows]{Set \Id{item}'s
+% left child to \Id{tree.root
+% address} and right child to \Id{new
+% node address}}
+% \Statep[not a leaf]{Set \Id{new root
+% node.type} to \Internal}
+% \Statep{Set \Id{new root node.modified}
+% to \True}
+% \Statep{\Call{WriteNode}{\Id{new root
+% node}}}
+% \Statep{$\Id{tree.root address} \gets
+% \Id{new root node.address}$}
+% \Statep[update root address in
+% file]{\Call{WriteRootAddress}{}}
+% \EndIf
+% \Statep[insertion status]{\Return \Id{success}}
+% \EndIf
+% \EndFunction
+% \end{example}
+%
+% \clearpage\PrintIndex
+%
+% \Finale
+\endinput \ No newline at end of file
diff --git a/Master/texmf-dist/source/latex/algxpar/algxpar.ins b/Master/texmf-dist/source/latex/algxpar/algxpar.ins
new file mode 100644
index 00000000000..289551de474
--- /dev/null
+++ b/Master/texmf-dist/source/latex/algxpar/algxpar.ins
@@ -0,0 +1,34 @@
+%%
+%% Copyright (C) 2019 by Jander Moreira
+%%
+%% This is an extension of the algorithmicx package to handle
+%% multiline contents.
+%%
+
+\input docstrip.tex
+\keepsilent
+\usedir{tex/latex/algxpar}
+
+\preamble
+
+
+Copyright (C) 2019 by Jander Moreira (moreira.jander@gmail.com)
+
+\endpreamble
+
+\generate{
+ \file{algxpar.sty}{
+ \from{algxpar.dtx}{algxpar}
+ }
+}
+
+\obeyspaces
+\Msg{**********************************************************}
+\Msg{* The algxpar.sty file was generated}
+\Msg{*}
+\Msg{* To install it, move or copy it to a directory}
+\Msg{* searched by LaTeX.}
+\Msg{*}
+\Msg{**********************************************************}
+
+\endbatchfile \ No newline at end of file
diff --git a/Master/texmf-dist/tex/latex/algxpar/algxpar.sty b/Master/texmf-dist/tex/latex/algxpar/algxpar.sty
new file mode 100644
index 00000000000..93194e6ecbc
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/algxpar/algxpar.sty
@@ -0,0 +1,301 @@
+%%
+%% This is file `algxpar.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% algxpar.dtx (with options: `algxpar')
+%%
+%%
+%% Copyright (C) 2019 by Jander Moreira (moreira.jander@gmail.com)
+%%
+\NeedsTeXFormat{LaTeX2e}[2005/12/01]
+\ProvidesPackage{algxpar}
+[2019/10/24 v0.9 Algorithms with multiline/paragraph support]
+
+%% Package options
+\newif\ifaxp@brazilian\axp@brazilianfalse
+\DeclareOption{brazilian}{\axp@braziliantrue}
+\DeclareOption*{\PackageWarning{algxpar}{Unknown ‘\CurrentOption’}}
+\ProcessOptions\relax
+
+%% Required packages
+\RequirePackage{algorithmicx}
+\RequirePackage{algpseudocode}
+\RequirePackage{ragged2e}
+\RequirePackage{listings}
+\RequirePackage{amsmath, amssymb}
+\RequirePackage{xcolor}
+\RequirePackage{tcolorbox} % to save verbatim
+\RequirePackage{fancyvrb} % to load verbatim preserving tabs
+
+%% Constants and identifiers
+\algnewcommand\algorithmictrue{\textsc{True}}
+\algnewcommand\algorithmicfalse{\textsc{False}}
+\algnewcommand\algorithmicnil{\textsc{Nil}}
+\algnewcommand\True{\mbox{\algorithmictrue}}
+\algnewcommand\False{\mbox{\algorithmicfalse}}
+\algnewcommand\Nil{\mbox{\algorithmicnil}}
+\newcommand{\Id}[1]{\mbox{\textit{\rmfamily #1}}}
+\newcommand{\TextString}[1]{\textrm{\normalfont``{\ttfamily\mbox{#1}}''}}
+\algnewcommand{\VisibleSpace}{\textrm{\color{black!70}\textvisiblespace}}
+
+%% Headings
+\algnewcommand\algorithmicdescription{\textbf{Description}}
+\algnewcommand\algorithmicinput{\textbf{Input}}
+\algnewcommand\algorithmicoutput{\textbf{Output}}
+\algrenewcommand\algorithmicensure{\textbf{Ensure}}
+\algrenewcommand\algorithmicrequire{\textbf{Require}}
+\algnewcommand\Description{\item[\algorithmicdescription:]}
+\algnewcommand\Input{\item[\algorithmicinput:]}
+\algnewcommand\Output{\item[\algorithmicoutput:]}
+\algrenewcommand\Ensure{\item[\algorithmicensure:]}
+\algrenewcommand\Require{\item[\algorithmicrequire:]}
+
+%% Read, write
+\algnewcommand{\algorithmicread}{\textbf{read}}
+\algnewcommand{\algorithmicwrite}{\textbf{write}}
+\algnewcommand{\Read}{\algorithmicread}
+\algnewcommand{\Write}{\algorithmicwrite}
+
+%% Comments
+\newcommand{\axp@commentleftsymbol}{$\triangleright$}
+\newcommand{\axp@commentrightsymbol}{$\triangleleft$}
+\algnewcommand{\CommentIn}[1]{\axp@commentleftsymbol~%
+ \textsl{#1}~\axp@commentrightsymbol}
+\algnewcommand{\Commentl}[1]{\axp@commentleftsymbol~\textsl{#1}}
+\algrenewcommand{\algorithmiccomment}[1]{%
+\def\tmp{#1}%
+\ifx\tmp\empty\else%
+\hfill\Commentl{#1}%
+\fi
+}
+
+%% Statep
+\newlength{\axp@stateindent}
+\setlength{\axp@stateindent}{\dimexpr\algorithmicindent/2\relax}
+\algnewcommand{\Statep}[2][]{\State\algparbox[#1]{#2}{\axp@stateindent}}
+
+%% While
+\newlength{\axp@whilewidth}
+\algblockdefx{While}{EndWhile}%
+[2][]{%
+\settowidth{\axp@whilewidth}{\algorithmicwhile\ }%
+\algparbox[#1]{\algorithmicwhile\ #2~\algorithmicdo}{\axp@whilewidth}%
+}%
+{\algorithmicend\ \algorithmicwhile}
+
+%% Repeat
+\newlength{\axp@untilwidth}
+\algblockdefx{Repeat}{Until}%
+{\algorithmicrepeat}%
+[2][]{%
+\settowidth{\axp@untilwidth}{\algorithmicuntil\ }%
+\axp@algparbox{#1}{\algorithmicuntil\ #2}{\axp@untilwidth}{0}%
+}
+
+%% If, else if, else
+\newlength{\axp@ifwidth}
+\newlength{\axp@elseifwidth}
+\algblockdefx[If]{If}{EndIf}%
+[2][]{%
+\settowidth{\axp@ifwidth}{\algorithmicif\ }%
+\algparbox[#1]{\algorithmicif\ #2~\algorithmicthen}{\axp@ifwidth}%
+}
+{\algorithmicend\ \algorithmicif}
+\algcblockx[If]{If}{ElsIf}{EndIf}
+[2][]{%
+\settowidth{\axp@elseifwidth}{\algorithmicelse\ \algorithmicif\ }%
+\algparbox[#1]{\algorithmicelse~\algorithmicif\ #2~\algorithmicthen}{\axp@elseifwidth}%
+}
+{\algorithmicend\ \algorithmicif}
+\algcblockx{If}{Else}{EndIf}
+{\textbf{\algorithmicelse}}
+{\textbf{\algorithmicend~\algorithmicif}}
+
+%% Switch, case, otherwise
+\algnewcommand{\algorithmicswitch}{\textbf{switch}}
+\algnewcommand{\algorithmicof}{\textbf{of}}
+\algnewcommand{\algorithmiccase}{\textbf{case}}
+\algnewcommand{\algorithmicotherwise}{\textbf{otherwise}}
+\newlength{\axp@switchwidth}
+\algblockdefx{Switch}{EndSwitch}%
+[2][]{%
+\settowidth{\axp@switchwidth}{\algorithmicswitch\ }%
+\algparbox[#1]{\algorithmicswitch\ #2~\algorithmicof}{\axp@switchwidth}%
+}
+{\algorithmicend~\algorithmicswitch}
+\newlength{\axp@casewidth}
+\algblockdefx{Case}{EndCase}%
+[2][]{%
+\settowidth{\axp@casewidth}{\algorithmiccase\ }%
+\algparbox[#1]{\algorithmiccase\ #2~\algorithmicdo}{\axp@casewidth}%
+}
+{\algorithmicend~\algorithmiccase}
+\algblockdefx{Otherwise}{EndOtherwise}%
+{\algorithmicotherwise~\algorithmicdo}%
+{\textbf{\algorithmicend\ \algorithmicotherwise}}
+\newcommand{\Range}[3][]{%
+\ensuremath{%
+#2%
+\def\temp{#1}%
+\mathcal{\ldotp\ldotp}#3
+\ifx\temp\empty\relax\else{\ensuremath{\mathcal{:}#1}}\fi%
+}%
+}
+
+%% For, for each, for all
+\algnewcommand{\To}{\textbf{to}}
+\algnewcommand{\DownTo}{\textbf{downto}}
+\algnewcommand{\Step}{\textbf{step}}
+\newlength{\axp@forwidth}
+\algblockdefx{For}{EndFor}%
+[2][]{%
+\settowidth{\axp@forwidth}{\algorithmicfor\ }%
+\algparbox[#1]{\algorithmicfor\ #2~\algorithmicdo}{\axp@forwidth}%
+}
+{\algorithmicend\ \algorithmicfor}
+\algnewcommand{\algorithmicforeach}{\textbf{for~each}}
+\newlength{\axp@foreachwidth}
+\algblockdefx{ForEach}{EndFor}%
+[2][]{%
+\settowidth{\axp@foreachwidth}{\algorithmicforeach\ }%
+\algparbox[#1]{\algorithmicforeach\ #2~\algorithmicdo}{\axp@foreachwidth}%
+}
+{\algorithmicend\~\algorithmicfor}
+\newlength{\axp@forallwidth}
+\algblockdefx{ForAll}{EndFor}%
+[2][]{%
+\settowidth{\axp@forallwidth}{\algorithmicforall\ }%
+\algparbox[#1]{\algorithmicforall\ #2~\algorithmicdo}{\axp@forallwidth}%
+}%
+{\algorithmicend\ \algorithmicfor}
+
+%% Procedure, function, calls
+\newlength{\axp@procedurewidth}
+\newlength{\axp@namewidth}
+\algblockdefx{Procedure}{EndProcedure}%
+[3][]{%
+\settowidth{\axp@procedurewidth}{\algorithmicprocedure~}%
+\settowidth{\axp@namewidth}{\textsc{#2}(}%
+\addtolength{\axp@procedurewidth}{0.6\axp@namewidth}%
+\algparbox[#1]{\algorithmicprocedure\ \textsc{#2}(#3)}{\axp@procedurewidth}
+}%
+{\algorithmicend\ \algorithmicprocedure}
+\newlength{\axp@functionwidth}
+\algblockdefx{Function}{EndFunction}%
+[3][]{%
+\settowidth{\axp@functionwidth}{\algorithmicfunction~}%
+\settowidth{\axp@namewidth}{\textsc{#2}(}%
+\addtolength{\axp@functionwidth}{0.6\axp@namewidth}%
+\algparbox[#1]{\algorithmicfunction\ \textsc{#2}(#3)}{\axp@functionwidth}
+}%
+{\algorithmicend\ \algorithmicfunction}
+\algrenewcommand\Call[2]{%
+\def\argstmp{#2}%
+\textsc{#1}\ifx\argstmp\empty\mbox{(\hskip0.5ex)}\else(#2)\fi%
+}
+
+%% NewLine
+\newcommand{\NewLine}{\\}
+
+%% DefineCode, UseCode, \ShowCode
+\newenvironment{DefineCode}[1]
+{\begingroup\tcbverbatimwrite{\jobname_code_#1.tmp}}
+{\endtcbverbatimwrite\endgroup}
+\newcommand{\UseCode}[1]{\input{\jobname_code_#1.tmp}}
+\newcommand{\ShowCode}[2][]{{\small\VerbatimInput[tabsize=4, #1]%
+{\jobname_code_#2.tmp}}}
+
+\algrenewcommand{\alglinenumber}[1]%
+ {\hspace{-1em}\color{black!35}{\scriptsize#1}{\tiny$\blacktriangleright$}}
+
+%% axp@algparbox
+\newlength{\axp@commentwidth}
+\setlength{\axp@commentwidth}{0pt}
+\newcommand{\algparbox}[3][]{\axp@algparbox{#1}{#2}{#3}{1}}
+
+\newlength{\axp@largestcommentwidth}
+\setlength{\axp@largestcommentwidth}{0.3\linewidth}
+\newcommand{\axp@algparbox}[4]{%
+ \def\temp{#1}%
+ \ifx\temp\empty%
+ \setlength{\axp@commentwidth}{-2em}%
+ \else%
+ \settowidth{\axp@commentwidth}{\axp@commentleftsymbol\ #1}%
+ \ifdim\axp@commentwidth>\axp@largestcommentwidth\relax%
+ \setlength{\axp@commentwidth}{\axp@largestcommentwidth}%
+ \fi%
+ \fi%
+ \renewcommand{\NewLine}{\\\hspace{#3}}%
+ \parbox[t]{\dimexpr\linewidth-\axp@commentwidth-%
+ (\algorithmicindent)*(\theALG@nested - #4)-2em}%
+ {\RaggedRight\setlength{\hangindent}{#3}#2\strut}%
+ \ifx\temp\empty\else%
+ \hfill\axp@commentleftsymbol\hspace{0.5em}%
+ \parbox[t]{\axp@commentwidth}{\slshape\RaggedRight#1}%
+ \fi%
+ \renewcommand{\NewLine}{\\}%
+}
+\lstset{
+literate=
+{á}{{\'a}}1 {é}{{\'e}}1 {í}{{\'i}}1 {ó}{{\'o}}1 {ú}{{\'u}}1
+{Á}{{\'A}}1 {É}{{\'E}}1 {Í}{{\'I}}1 {Ó}{{\'O}}1 {Ú}{{\'U}}1
+{à}{{\`a}}1 {è}{{\`e}}1 {ì}{{\`i}}1 {ò}{{\`o}}1 {ù}{{\`u}}1
+{À}{{\`A}}1 {È}{{\'E}}1 {Ì}{{\`I}}1 {Ò}{{\`O}}1 {Ù}{{\`U}}1
+{ä}{{\"a}}1 {ë}{{\"e}}1 {ï}{{\"i}}1 {ö}{{\"o}}1 {ü}{{\"u}}1
+{ã}{{\~a}}1 {õ}{{\~o}}1
+{Ã}{{\~A}}1 {Õ}{{\~O}}1
+{Ä}{{\"A}}1 {Ë}{{\"E}}1 {Ï}{{\"I}}1 {Ö}{{\"O}}1 {Ü}{{\"U}}1
+{â}{{\^a}}1 {ê}{{\^e}}1 {î}{{\^i}}1 {ô}{{\^o}}1 {û}{{\^u}}1
+{Â}{{\^A}}1 {Ê}{{\^E}}1 {Î}{{\^I}}1 {Ô}{{\^O}}1 {Û}{{\^U}}1
+{ç}{{\c c}}1 {Ç}{{\c C}}1
+{ø}{{\o}}1 {å}{{\r a}}1 {Å}{{\r A}}1
+{œ}{{\oe}}1 {Œ}{{\OE}}1 {æ}{{\ae}}1 {Æ}{{\AE}}1
+{ß}{{\ss}}1
+{ű}{{\H{u}}}1 {Ű}{{\H{U}}}1 {ő}{{\H{o}}}1 {Ő}{{\H{O}}}1
+{£}{{\pounds}}1
+{«}{{\guillemotleft}}1
+{»}{{\guillemotright}}1
+{ñ}{{\~n}}1 {Ñ}{{\~N}}1 {¿}{{?`}}1
+}
+
+\ifaxp@brazilian
+\RequirePackage{icomma} % comma as decimal separator
+\algrenewcommand\algorithmicdescription{\textbf{Descrição}}
+\algrenewcommand\algorithmicinput{\textbf{Entrada}}
+\algrenewcommand\algorithmicoutput{\textbf{Saída}}
+\algrenewcommand\algorithmicrequire{\textbf{Pré}}
+\algrenewcommand\algorithmicensure{\textbf{Pós}}
+\algrenewcommand{\algorithmicend}{\textbf{fim}}
+\algrenewcommand{\algorithmicif}{\textbf{se}}
+\algrenewcommand{\algorithmicthen}{\textbf{então}}
+\algrenewcommand{\algorithmicelse}{\textbf{senão}}
+\algrenewcommand{\algorithmicswitch}{\textbf{escolha}}
+\algrenewcommand{\algorithmicof}{\textbf{de}}
+\algrenewcommand{\algorithmiccase}{\textbf{caso}}
+\algrenewcommand{\algorithmicotherwise}{\textbf{caso~contrário}}
+\algrenewcommand{\algorithmicfor}{\textbf{para}}
+\algrenewcommand{\algorithmicdo}{\textbf{faça}}
+\algrenewcommand{\algorithmicwhile}{\textbf{enquanto}}
+\algrenewcommand{\algorithmicforall}{\textbf{para cada}}
+\algrenewcommand{\algorithmicrepeat}{\textbf{repita}}
+\algrenewcommand{\algorithmicuntil}{\textbf{até que}}
+\algrenewcommand{\algorithmicloop}{\textbf{repita}}
+\algrenewcommand{\algorithmicforeach}{\textbf{para~cada}}
+\algrenewcommand{\algorithmicforall}{\textbf{para~todo}}
+\algrenewcommand{\algorithmicfunction}{\textbf{função}}
+\algrenewcommand{\algorithmicprocedure}{\textbf{procedimento}}
+\algrenewcommand{\algorithmicreturn}{\textbf{retorne}}
+\algrenewcommand\algorithmictrue{\textsc{Verdadeiro}}
+\algrenewcommand\algorithmicfalse{\textsc{Falso}}
+\algrenewcommand\algorithmicnil{\textsc{Nulo}}
+\algrenewcommand{\algorithmicread}{\textbf{leia}}
+\algrenewcommand{\algorithmicwrite}{\textbf{escreva}}
+\algrenewcommand{\To}{\textbf{até}}
+\algrenewcommand{\DownTo}{\textbf{decrescente~até}}
+\algrenewcommand{\Step}{\textbf{passo}}
+\fi
+\endinput
+%%
+%% End of file `algxpar.sty'.
diff --git a/Master/tlpkg/bin/tlpkg-ctan-check b/Master/tlpkg/bin/tlpkg-ctan-check
index 5ab3dac7c69..ddd364d745d 100755
--- a/Master/tlpkg/bin/tlpkg-ctan-check
+++ b/Master/tlpkg/bin/tlpkg-ctan-check
@@ -32,7 +32,7 @@ my @TLP_working = qw(
adrconv adtrees advdate
ae aecc aeguill afparticle afthesis
aguplus aiaa aichej ajl akktex akletter alegreya alertmessage
- alg algobox algolrevived algorithm2e algorithmicx algorithms
+ alg algobox algolrevived algorithm2e algorithmicx algorithms algxpar
aligned-overset
alkalami allrunes almendra almfixed alnumsec alpha-persian alterqcm
altfont ametsoc amiri
diff --git a/Master/tlpkg/tlpsrc/algxpar.tlpsrc b/Master/tlpkg/tlpsrc/algxpar.tlpsrc
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/Master/tlpkg/tlpsrc/algxpar.tlpsrc
diff --git a/Master/tlpkg/tlpsrc/collection-mathscience.tlpsrc b/Master/tlpkg/tlpsrc/collection-mathscience.tlpsrc
index 6a705965fc5..7c54236d5f9 100644
--- a/Master/tlpkg/tlpsrc/collection-mathscience.tlpsrc
+++ b/Master/tlpkg/tlpsrc/collection-mathscience.tlpsrc
@@ -13,6 +13,7 @@ depend algobox
depend algorithm2e
depend algorithmicx
depend algorithms
+depend algxpar
depend aligned-overset
depend amscdx
depend amstex