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%%
%% This is file `problem.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% problem.dtx (with options: `package')
%%
\NeedsTeXFormat{LaTeX2e}[1999/12/01]
\ProvidesPackage{problem}[2010/06/25 v0.9c Semantic Markup for Problems]
\DeclareOption{showmeta}{\PassOptionsToPackage{\CurrentOption}{metakeys}}
\newif\ifexnotes\exnotesfalse\DeclareOption{notes}{\exnotestrue}
\newif\ifhints\hintsfalse\DeclareOption{hints}{\hintstrue}
\newif\ifsolutions\solutionsfalse\DeclareOption{solutions}{\solutionstrue}
\newif\ifpts\ptsfalse\DeclareOption{pts}{\ptstrue}
\newif\ifmin\minfalse\DeclareOption{min}{\mintrue}
\newif\ifboxed\boxedfalse\DeclareOption{boxed}{\boxedtrue}
\newif\ifextract\extractfalse\DeclareOption{extract}{\extracttrue}
\ProcessOptions
\RequirePackage{keyval}[1997/11/10]
\RequirePackage{xcomment}
\RequirePackage{sref}
\srefaddidkey[prefix=prob.]{problem}
\addmetakey{problem}{pts}
\addmetakey{problem}{min}
\addmetakey*{problem}{title}
\addmetakey{problem}{refnum}
\newsavebox{\probbox}
\newcounter{problem}[section]
\def\prob@number{\ifx\inclprob@refnum\@empty
\ifx\problem@refnum\@empty\thesection.\theproblem\else\problem@refnum\fi
\inclprob@refnum\fi}
\def\prob@heading{Problem \prob@number%
\ifx\sref@id\@empty\else{\sref@label@id{Problem \thesection.\theproblem}}\fi%
\ifx\inclprob@title\@empty% if there is no outside title
\ifx\problem@title\@empty{:\quad}\else{\quad(\problem@title)\hfill\\}\fi
\else\quad(\inclprob@title)\hfill\\\fi}% else show the outside title
\ifboxed
\newenvironment{problem}[1][]{\metasetkeys{problem}{#1}\sref@target%
\stepcounter{problem}\show@pts\show@min\record@problem%
\begin{lrbox}{\probbox}\begin{minipage}{.9\textwidth}\ignorespaces}
{\end{minipage}\end{lrbox}
\setbox0=\hbox{\begin{minipage}{.9\textwidth}%
\noindent\textbf\prob@heading\rm%
\end{minipage}}
\smallskip\noindent\fbox{\vbox{\box0\vspace*{.2em}\usebox\probbox}}\smallskip}
\else
\newenvironment{problem}[1][]{\metasetkeys{problem}{#1}\sref@target%
\stepcounter{problem}\show@pts\show@min\record@problem%
\par\noindent\textbf\prob@heading\rm\ignorespaces}
{\smallskip}
\fi%boxed
\def\record@problem{\protected@write\@auxout{}%
{\string\@problem{\prob@number}%
{\ifx\inclprob@pts\@empty\problem@pts\else\inclprob@pts\fi}%
{\ifx\inclprob@min\@empty\problem@min\else\inclprob@min\fi}}}
\def\@problem#1#2#3{}
\define@key{soln}{id}{\def\soln@id{#1}}
\define@key{soln}{for}{\def\soln@for{#1}}
\define@key{soln}{height}{\def\soln@height{#1}}
\ifsolutions
\newenvironment{solution}[1][]%
{\hrule\smallskip{\bf Solution: }\begin{small}}%
{\hrule\end{small}}
\else\newxcomment[]{solution}\fi
\ifexnotes
\newenvironment{exnote}[1][]%
{\par\noindent\hrule\smallskip{\bf Note: }\small}
{\smallskip\hrule}
\else%ifexnotes
\newxcomment[]{exnote}
\fi%ifexnotes
\ifhints
\newenvironment{hint}[1][]%
{\par\noindent\hrule\smallskip{\bf Hint: }\small}
{\smallskip\hrule}
\else%ifhints
\newxcomment[]{hint}
\fi%ifhints
\ifextract
\newwrite\problem@file
\immediate\openout\problem@file=\jobname-problems.tex
\AtEndDocument{\closeout\problem@file}
\fi
\addmetakey{inclprob}{pts}
\addmetakey{inclprob}{min}
\addmetakey*{inclprob}{title}
\addmetakey{inclprob}{refnum}
\clear@inclprob@keys
\newcommand{\includeproblem}[2][]{%
\bgroup\metasetkeys{inclprob}{#1}\input{#2}\ifsolutions\newpage\fi\egroup
\ifextract\def\@test{#1}
\def\prob@num{\ifx\inclprob@refnum\@empty\thesection.\theproblem\else\inclprob@refnum\fi}
\def\inclprob@keys{#1\ifx\@test\@empty\else,\fi refnum=\prob@num}
\protected@write\problem@file{}{\string\includeproblem[\inclprob@keys]{#2}}
\fi}
\def\pts#1{\ifpts\marginpar{#1 pt}\fi}
\def\min#1{\ifmin\marginpar{#1 min}\fi}
\AtEndDocument{\ifpts\message{Total: \arabic{pts} points}\fi
\ifmin\message{Total: \arabic{min} minutes}\fi}
\newcounter{pts}
\def\show@pts{\ifx\inclprob@pts\@empty%
\ifx\problem@pts\@empty\else%
\ifpts\marginpar{\problem@pts pt\smallskip}\addtocounter{pts}{\problem@pts}\fi%
\fi\else%
\ifpts\marginpar{\inclprob@pts pt\smallskip}\addtocounter{pts}{\inclprob@pts}\fi%
\fi}
\newcounter{min}
\def\show@min{\ifx\inclprob@min\@empty%
\ifx\problem@min\@empty\else%
\ifmin\marginpar{\problem@min min}\addtocounter{min}{\problem@min}\fi%
\fi\else%
\ifmin\marginpar{\inclprob@min min}\addtocounter{min}{\inclprob@min}\fi
\fi}
\endinput
%%
%% End of file `problem.sty'.
|
