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%%
%% This is file `hwexam.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% hwexam.dtx  (with options: `package')
%% 
\NeedsTeXFormat{LaTeX2e}[1999/12/01]
\ProvidesPackage{hwexam}[2012/01/28 v0.9b homework assignments and exams]
\DeclareOption{showmeta}{\PassOptionsToPackage{\CurrentOption}{metakeys}}
\newif\iftest\testfalse
\newif\ifsolutions\solutionsfalse
\DeclareOption{test}{\testtrue\solutionsfalse}
\newif\ifmultiple\multiplefalse
\DeclareOption{multiple}{\multipletrue}
\DeclareOption*{\PassOptionsToPackage{\CurrentOption}{problem}}
\ProcessOptions
\RequirePackage{keyval}[1997/11/10]
\RequirePackage{problem}
\addmetakey{assig}{number}
\addmetakey*{assig}{title}
\addmetakey{assig}{type}
\addmetakey{assig}{given}
\addmetakey{assig}{due}
\def\given@due#1#2{%
\ifx\assig@given\@empty\else\ifx\assig@due\@empty\else{#1}\fi\fi%
\ifx\assig@given\@empty\else{Given {\assig@given}}\fi%
\ifx\assig@given\@empty\else\ifx\assig@due\@empty\else{, }\fi\fi%
\ifx\assig@due\@empty\else{Due {\assig@due}}\fi%
\ifx\assig@given\@empty\else{\ifx\assig@due\@empty\else{#2}\fi}\fi}
\ifmultiple
\def\assignment@titleblock{%
\@ifundefined{assig@number}{\stepcounter{section}}{\setcounter{section}{\assig@number}}%
\section*{\protect\document@hwexamtype~\arabic{section}:~\assig@title\given@due{\\(})}%
\addcontentsline{toc}{section}{\document@hwexamtype~{\arabic{section}}:~\assig@title}%
\setcounter{problem}{0}}
\else
\def\assignment@titleblock{%
\setcounter{section}{\assig@number}
\begin{center}\bf
\Large\@title\\
\document@hwexamtype~\assig@number:~\assig@title\strut\\
\large{\given@due()}
\end{center}}
\fi
\def\assignment@process@keys#1{\metasetkeys{assig}{#1}
\ifx\inclassig@title\@empty\else\def\assig@title{\inclassig@title}\fi
\ifx\inclassig@type\@empty\else\def\assig@type{\inclassig@type}\fi
\ifx\inclassig@number\@empty\else\def\assig@number{\inclassig@number}\fi
\ifx\inclassig@due\@empty\else\def\assig@due{\inclassig@due}\fi
\ifx\inclassig@given\@empty\else\def\assig@given{\inclassig@given}\fi}
\def\inclassig@title{}
\def\inclassig@type{}
\def\inclassig@number{}
\def\inclassig@due{}
\def\inclassig@given{}
\newenvironment{assignment}[1][]{\assignment@process@keys{#1}%
\assignment@titleblock}{}
\def\assig@default@type{Assignment}
\addmetakey[\assig@default@type]{document}{hwexamtype}
\addmetakey{inclassig}{number}
\addmetakey{inclassig}{title}
\addmetakey{inclassig}{type}
\addmetakey{inclassig}{given}
\addmetakey{inclassig}{due}
\newcommand{\includeassignment}[2][]{\metasetkeys{inclassig}{#1}\include{#2}}
\newcommand{\inputassignment}[2][]{\metasetkeys{inclassig}{#1}\input{#2}}
\addmetakey{quizheading}{tas}
\newcommand\quizheading[1]{\def\@tas{#1}%
\large\noindent NAME: \hspace{8cm}  MAILBOX:\\[2ex]%
\ifx\@tas\@empty\else%
\noindent TA: \@for\@I:=\@tas\do{{\Large$\Box$}\@I\hspace*{1em}}\\[2ex]\fi}
\addmetakey{testheading}{min}
\addmetakey{testheading}{duration}
\addmetakey{testheading}{reqpts}
\newenvironment{testheading}[1][]{\metasetkeys{testheading}{#1}
{\noindent\large{}Name: \hfill Matriculation Number:\hspace*{2cm}\strut\\[1ex]
\begin{center}\Large\textbf{\@title}\\[1ex]\large\@date\\[3ex]\end{center}
{\textbf{You have
\ifx\test@heading@duration\@empty\testheading@min minutes\else\testheading@duration\fi
(sharp) for the test}};\\ Write the solutions to the sheet.}\par\noindent

\newcount\check@time\check@time=\testheading@min
\advance\check@time by -\theassignment@totalmin
The estimated time for solving this exam is {\theassignment@totalmin} minutes,
leaving you {\the\check@time} minutes for revising your exam.

\newcount\bonus@pts\bonus@pts=\theassignment@totalpts
\advance\bonus@pts by -\testheading@reqpts
You can reach {\theassignment@totalpts} points if you solve all problems. You will only need
{\testheading@reqpts} points for a perfect score, i.e.\ {\the\bonus@pts} points are
bonus points. \vfill
\begin{center}
  {\Large\em
  Different problems test different skills and knowledge, so do not get stuck on
  one problem.}\vfill\par\correction@table \\[3ex]
\end{center}}
{\newpage}
\def\testspace#1{\iftest\vspace*{#1}\fi}
\def\testnewpage{\iftest\newpage\fi}
\def\testemptypage{\iftest\begin{center}This page was intentionally left
    blank for extra space\end{center}\vfill\eject\else\fi}
\def\@problem#1#2#3{\stepcounter{assignment@probs}
\def\@test{#2}\ifx\@test\@empty\else\addtocounter{assignment@totalpts}{#2}\fi
\def\@test{#3}\ifx\@test\@empty\else\addtocounter{assignment@totalmin}{#3}\fi
\xdef\correction@probs{\correction@probs & #1}%
\xdef\correction@pts{\correction@pts & #2}
\xdef\correction@reached{\correction@reached &}}
\newcounter{assignment@probs}
\newcounter{assignment@totalpts}
\newcounter{assignment@totalmin}
\def\correction@probs{prob.}%
\def\correction@pts{total}%
\def\correction@reached{reached}%
\stepcounter{assignment@probs}
\def\correction@table{\begin{tabular}{|l|*{\theassignment@probs}{c|}|p{3cm}|}\hline%
&\multicolumn{\theassignment@probs}{c||}%
{\footnotesize To be used for grading, do not write here} &\\\hline
\correction@probs & Sum & grade\\\hline
\correction@pts &\theassignment@totalpts & \strut\hspace{3cm}\strut\\\hline
\correction@reached & & \\[.7cm]\hline
\end{tabular}}
\endinput
%%
%% End of file `hwexam.sty'.