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%% $Id: luarandom-doc.tex 862 2018-12-15 16:25:55Z herbert $
\documentclass[fontsize=11pt,english,BCOR=10mm,DIV=12,bibliography=totoc,parskip=false,
headings=small, headinclude=false,footinclude=false,oneside,abstract=on]{pst-doc}
\usepackage{xcolor,pstricks,multido}
\usepackage{auto-pst-pdf-lua}
\usepackage{luarandom}
\let\pstMathFV\fileversion
\lstset{pos=t,wide=true,language=[LaTeX]{TeX},basicstyle=\footnotesize\ttfamily}
%
\makeatletter
\def\DefOfOperator{\@ifstar{\DefOfOperator@}{\DefOfOperator@@}}
\def\DefOfOperator@#1#2#3#4{{\operator@font#1}:\left\{\begin{array}{ccc} #2&\to\\
x&\mapsto\end{array}\right.}
\def\DefOfOperator@@#1#2#3{{\operator@font#1}:\left\{\begin{array}{ccc} #2&\to\\
x&\mapsto&{\operator@font#1}(x)\end{array}\right.}
\makeatother
\begin{document}
\title{\texttt{luarandom}}
\subtitle{Create a list of random numbers with or without multiple values; v. 0.01}
\author{Herbert Vo\ss}
\docauthor{Herbert Vo\ss}
\date{\today}
\maketitle
\tableofcontents
\section{Random numbers}
Package \LPack{luarandom} supports the creation of random number lists where a number will
appear only once or multiple times. With Lua\TeX\ all random numbers are build with the help of Lua which
has the advantage that there will be no problem with \TeX's limited parameter stack size.
However, this package will \emph{not} run with other \TeX-engines than Lua\LaTeX.
\section{The Macros}
\begin{BDef}
\Lcs{makeSimpleRandomNumberList}\Largb{Left}\Largb{Right}\Largb{N}\% multiple values possible\\
\Lcs{makeRandomNumberList}\Largb{Left}\Largb{Right}\Largb{N} \% no multiple values!\\
\Lcs{getNumberFromList}\Largb{number}
\end{BDef}
The list of the random numbers is saved in the Lua table \texttt{RandomNumbers}.
\section{Examples}
\begin{LTXexample}[pos=t]
\small
\makeSimpleRandomNumberList{1}{30}{30}% with multiple values (hopefully ;-)
\multido{\iA=1+1}{30}{\getNumberFromList{\iA}, }
\makeRandomNumberList{1}{30}{30}% without multiple values
\multido{\iA=1+1}{30}{\getNumberFromList{\iA}, }
\end{LTXexample}
The following example uses PSTricks related packages which cannot be run directly
with Lua\LaTeX. The package \LPack{auto-pst-pdf-lua} will convert the PSTricks stuff
in the baclground into PDF images which will be included in a second run.
\begin{LTXexample}[pos=t]
\newcounter{RandNo}\setcounter{RandNo}{1}
\def\n{10} \def\N{\the\numexpr\n*\n}
\makeRandomNumberList{1}{\N}{\N}
\begin{pspicture}(\n,\n)
\psgrid[subgriddiv=0,gridlabels=0pt]
\multido{\rRow=0.5+1.0}{\n}{\multido{\rCol=0.5+1.0}{\n}{%
\rput(\rCol,\rRow){\textcolor{randomhsb}{\getNumberFromList{\theRandNo}}}%
\stepcounter{RandNo}}}
\end{pspicture}
\end{LTXexample}
\section{The code}
\lstinputlisting{luarandom.sty}
\printindex
\end{document}
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