pseudocode/pseudocode.tex at master · gjlaurent/pseudocode · GitHub

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\documentclass{article}

\usepackage[latin1]{inputenc}
\usepackage{pseudocode}
\usepackage{xcolor}
\usepackage[margin=2.5cm]{geometry}

\lstnewenvironment{pseudo}
{\lstset{language=pseudocode,
         tabsize=4,
         columns=flexible,
         basicstyle=\sffamily\small,
         xleftmargin=1cm,
         xrightmargin=1cm,
         keywordstyle=\color[rgb]{0,0,1},
         commentstyle=\color[rgb]{0.133,0.545,0.133}\emph,
         stringstyle=\color[rgb]{0.627,0.126,0.941},
}
}{}

\lstnewenvironment{pseudofr}
{\lstset{language=pseudocodefr,
         tabsize=4,
         columns=flexible,
         basicstyle=\sffamily\small,
         xleftmargin=1cm,
         xrightmargin=1cm,
         keywordstyle=\color[rgb]{0,0,1},
         commentstyle=\color[rgb]{0.133,0.545,0.133}\emph,
         stringstyle=\color[rgb]{0.627,0.126,0.941},
}
}{}

\lstnewenvironment{tex}
{\lstset{language=tex,
         tabsize=4,
         basicstyle=\ttfamily\small,
         xleftmargin=1cm,
         xrightmargin=1cm,
}
}{}


\date{2018/11/01}
\title{The \textbf{pseudocode} package}
\author{Guillaume J. Laurent}

\begin{document}
\maketitle

The \textbf{pseudocode} package defines additional languages using listings package for writing algorithms in a natural way (in english or in french).

\bigskip
The following \LaTeX{} code:
\begin{tex}
\begin{pseudo}
Function integer greatestCommonDivisor(integer a, integer b)
begin
    while (a <> b) do
        if a > b
           a := a - b
        else
           b <- b - a
        endif
    endwhile
    return a
end
\end{pseudo}
\end{tex}

produces:

\begin{pseudo}
Function integer greatestCommonDivisor(integer a, integer b)
begin
    while (a <> b) do
        if a > b
           a := a - b
        else
           b <- b - a
        endif
    endwhile
    return a
end
\end{pseudo}

Same example but written french:
\begin{pseudofr}
Fonction entier plusGrandCommunDiviseur(entier a, entier b )
Début
    tant que  ( a != b ) faire
        si ( a > b )
            a := a - b
        sinon
            b <- b - a
        finsi
    fintantque
    retourner a
Fin
\end{pseudofr}

\end{document}