Am 30.11.2008 um 17:09 schrieb Zhaopeng Xing:
> Hi,
>
> Does anyone know how to describe algorithm procedures in similar way
> as LaTeX algorithmic and algorithm packages? I tried to search it on
> wiki but found nothing. Thanks.
Feel free to write your own module.
\definefloat[algorithm][algorithms]
\definestartstop
[algorithm]
[before=\startlines,
after=\stoplines,
commands=\directsetup{algorithm}]
\startsetups algorithm
\def\STATE {\hskip1em}
\def\REQUIRE {{\bf Require: }}
\def\ENSURE {{\bf Ensure: }}
\def\IF ##1{\bgroup\doadaptleftskip{1em}{\bf if} ##1 {\bf then}}
\def\ENDIF {{\bf end if}\par\egroup}
\def\WHILE ##1{\bgroup\doadaptleftskip{1em}{\bf while} ##1 {\bf do}}
\def\ENDWHILE {{\bf end while}\par\egroup}
\definecomplexorsimple\ELSE
\def\simpleELSE {{\bf else}}
\def\complexELSE[##1]{{\bf else} $//$ ##1}
\stopsetups
%\setuplines[before=,after=]
\starttext
\startbuffer[algorithm]
\startalgorithm
\REQUIRE $n \geq 0 \vee x \neq 0$
\ENSURE $y = x^n$
\STATE $y \Leftarrow 1$
\IF{$n < 0$}
\STATE $X \Leftarrow 1 / x$
\STATE $N \Leftarrow -n$
\ELSE
\STATE $X \Leftarrow x$
\STATE $N \Leftarrow n$
\ENDIF
\WHILE{$N \neq 0$}
\IF{$N$ is even}
\STATE $X \Leftarrow X \times X$
\STATE $N \Leftarrow N / 2$
\ELSE[$N$ is odd]
\STATE $y \Leftarrow y \times X$
\STATE $N \Leftarrow N - 1$
\ENDIF
\ENDWHILE
\stopalgorithm
\stopbuffer
\typebuffer \getbuffer
%\placealgorithm
% {Calculate $y = x^n$}
% {\framed[frame=off,align=right,width=fit,strut=no]
{\getbuffer[algorithm]}}
\stoptext
Wolfgang
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the
Wiki!
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://tex.aanhet.net
archive : https://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
