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%%
%% This is file `newalg.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% newalg.dtx (with options: `package')
%%
%% IMPORTANT NOTICE:
%%
%% For the copyright see the source file.
%%
%% You are *not* allowed to modify this file.
%%
%% You are *not* allowed to distribute this file.
%% For distribution of the original source see
%% the terms for copying and modification in the file newalg.dtx.
%%
\NeedsTeXFormat{LaTeX2e}[1994/06/01]
\ProvidesPackage{newalg}[1994/12/15 Format code algorithms nicely]
\newbox\algstack
\newbox\algtab
\newcount\algline
\newtoks\alga
\newtoks\algb
\newif\ifalgisenv
\def\alglpsh#1\to#2{\alga={#1\\}\algb=\expandafter{#2}
\global\edef#2{\the\alga\the\algb}}
\def\alglpop#1\to#2{\ifx\empty#1\def#2{}
\else\global\expandafter\algllop#1\algllop#1#2\fi}
\def\algllop#1\\#2\algllop#3#4{\def#3{#2}\def#4{#1}}
\def\algltop#1\to#2{\ifx\empty#1\def\#2{}\else
\expandafter\alglttop#1\alglttop#2\fi}
\def\alglttop#1\\#2\alglttop#3{\def#3{#1}}
\def\algckenv#1{\algltop\alglenv\to\algenv
\def\algarg{#1}
\ifx \algarg\algenv \algisenvtrue \else \algisenvfalse \fi}
\def\algsol{\global\advance\algline by 1
\the\algline&\hbox\bgroup\copy\algtab$\ignorespaces}
\def\algeol{$\egroup\cr\algsol}
\def\algpush{\global\setbox\algstack\hbox{\unhbox\algstack\box\algtab}}
\def\algpop{\global\setbox\algstack\hbox{\unhbox\algstack
\global\setbox\algtab\lastbox}}
\def\algset{$\egroup\setbox0=\lastbox\algpush
\global\setbox\algtab\hbox to \wd0{}\hbox\bgroup\unhbox0$}
\def\algorithm#1#2{\bgroup
\let\\=\algeol
\let\==\leftarrow
\let\IF=\algIF
\let\RETURN=\algRETURN
\let\ELSE=\algELSE
\let\endIF=\endalgIF
\let\ERROR=\algERROR
\let\NIL=\algNIL
\let\WHILE=\algWHILE
\let\endWHILE=\endalgWHILE
\let\FOR=\algFOR
\let\endFOR=\endalgFOR
\let\CALL=\algCALL
\let\text=\algtext
\let\TO=\algTO
\let\EACH=\algEACH
\let\SWITCH=\algSWITCH
\let\item=\algitem
\let\endSWITCH=\endalgSWITCH
\let\DEFAULT=\algDEFAULT
\let\REPEAT=\algREPEAT
\let\UNTIL=\endalgREPEAT
\let\endREPEAT=\UNTIL
\let\IN=\algIN
\let\begin=\algbegin
\let\end=\algend
\let\endalgorithm=\algalmostend
\global\setbox\algtab\null
\global\setbox\algstack\null
\global\algline=0
\def\alglenv{algorithm\\}
\halign\bgroup\space\hfill##&\quad##\hss \cr
\omit\CALL{#1}$(#2)$\span\omit\hfill \cr
\algsol}
\def\algalmostend{$\egroup\cr\egroup\egroup\strut\end{algorithm}}
\def\algkey#1{\mbox{\bf #1\ }}
\def\algIF#1{\algkey{if}\algset#1 \\
\algkey{then}\algset}
\def\algELSE{\algckenv{IF}
\ifalgisenv
\algpop \\
{\setbox0\hbox{\algkey{then}}
\hbox to \wd0{\algkey{else}\hfill}}
\algset
\else
\PackageError{newalg}
{\string\ELSE\space is only allowed in the IF environment}
{You have an \protect\ELSE\space command without a \string\begin{IF}}
\fi}
\def\endalgIF{\algpop\algpop}
\def\algERROR#1{\algkey{error}\mbox{``#1''}}
\def\algRETURN{\algkey{return}}
\def\algconst#1{\mbox{\sc #1}}
\def\algNIL{\algconst{nil}}
\def\algWHILE#1{\algkey{while}#1 \\
\indent\algkey{do}\algset}
\def\endalgWHILE{\algpop}
\def\algCALL#1{\mbox{\sc #1}}
\def\algFOR#1{\algkey{for}#1 \\
\indent\algkey{do}\algset}
\def\endalgFOR{\algpop}
\def\algtext#1{\mbox{ #1 }}
\def\algTO{\algkey{ to}}
\def\algEACH{\algkey{ each}}
\def\algSWITCH{\algkey{switch}\algpush}
\def\algitem#1{\algckenv{SWITCH}
\ifalgisenv
\algpop \\
\quad\algkey{case}\algset #1:
\else
\PackageError{newalg}
{\string\item\space can only be used in a SWITCH environment}
{You have an item that is not inside of the correct environment}
\fi}
\def\endalgSWITCH{\algpop}
\def\algDEFAULT{\algkey{default}}
\def\algREPEAT#1{
\algkey{repeat}\algset\\}
\def\endalgREPEAT{\algpop \\
\quad\algkey{until}}
\def\algIN{\algkey{ in}}
\def\algbegin#1{\alglpsh#1\to\alglenv
\csname #1\endcsname}
\def\algend#1{\alglpop\alglenv\to\algenv
\def\algarg{#1}
\ifx \algarg\algenv
\relax
\else
\PackageError{newalg}
{\string\begin{\algenv}\space ended by \string\end{\algarg}}
{We are confused. Try to return now}
\fi
\csname end#1\endcsname
}
\endinput
%%
%% End of file `newalg.sty'.
|
