commonheader.sty

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Header for Discussion TeX Files
%
% Collected and modified by Jonathan Kotker and Thomas Magrino (CS 61A su12).
% Largely redesigned by Kevin Lin (CS 61A su17).
%
% This package contains references to other packages, new commands, and values
% for different parameters, common to all discussion documents.
% This file should be placed one level above the discussion TeX files in
% the directory tree.
%
% Please modify the appropriate section below with information about
% the class: this information needs to be updated only once per semester.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% Display solutions
% \def\discussionsolutions{}

\ProvidesPackage{commonheader}

\usepackage{algorithm}
\usepackage{algorithmicx}
\usepackage[noend]{algpseudocode}
\usepackage{amsfonts}
\usepackage{amsmath}
\usepackage{comment}
\usepackage{fancybox}
\usepackage{fullpage}
\usepackage{graphicx}
\usepackage[colorlinks]{hyperref}
\usepackage{import}
\usepackage{listings}
\usepackage{paralist}
\usepackage{parskip}
\usepackage{parallel,enumitem}
\usepackage{tabularx}
\usepackage{upquote}
\usepackage{verbatim}
\usepackage{wasysym}
\usepackage{tikz,tikz-qtree,tikz-qtree-compat}
% Draw trees
\usepackage{wrapfig}
\usetikzlibrary{arrows,positioning,calc,shapes}
\tikzstyle{vertex}=[draw,circle,minimum size=18pt,inner sep=0pt]
% Fonts
\usepackage[varqu]{inconsolata}

% Define solution style
\unframedsolutions
\renewcommand{\solutiontitle}{}
\SolutionEmphasis{\color{red}}

% Course information
\def\coursenumber{CSM 61B}
\def\semester{Spring 2023}
% Provide discnum and disctitle
\newcommand{\discnumber}[1]{\newcommand{\discnum}{#1}}
\def\title#1{\gdef\@title{#1}\gdef\disctitle{#1}}

% Provide "Extra" section text
\newcommand{\extra}[1]{#1 \large\textit{Extra Practice}}
\newcommand{\midterm}[1]{#1 \textit{Midterm Question}}

% Configuring the header and footer
\pagestyle{head}
\runningheader{
 \oddeven{}{\thepage \quad \textit{\disctitle}}}
 {}
 {\oddeven{\textit{\disctitle} \quad \thepage}{}
}

% Define formatting
\textheight=9.5in
\textwidth=5in
\voffset=-0.5in
\hoffset=-0.25in
\headsep=1em
\marginparsep=1em
\marginparwidth=2in
\footskip=2em
\renewcommand{\baselinestretch}{1.2}
\font\dunhd=cmdunh10 scaled \magstep5
\font\dunhc=cmdunh10 scaled \magstep4
\font\dunhb=cmdunh10 scaled \magstep3
\font\dunha=cmdunh10 scaled \magstep2
\font\dunhs=cmdunh10 scaled \magstep1

\def\preamble#1{\gdef\@preamble{#1}}

\def\sp#1{\underline{\hspace*{#1}}}

% Use \printanswers to print with answers and \noprintanswers to print without.
% Check for defined flag \discussionsolutions to show solutions
\ifdefined\discussionsolutions
  \printanswers
\else
  \noprintanswers
\fi

% alias for printsolutions
\newcommand{\printsolutions}{\printanswers}
\newcommand{\noprintsolutizons}{\noprintanswers}


% Use \printmeta to print with meta and \noprintmeta to print without
\newif\ifprintmeta
\newcommand{\printmeta}{\printmetatrue}
\newcommand{\noprintmeta}{\printmetafalse}
\noprintmeta % default to no print meta


\usepackage{environ}
\NewEnviron{meta}{\ifprintmeta\expandafter \textbf{Meta:} \BODY\fi}
% define meta inside \begin{meta} \end{meta}

% Define title
\renewcommand{\maketitle}{\@maketitle\thispagestyle{empty}}
\def\@maketitle{
 \newpage
 \vspace*{-\topskip}
 \hrule height1pt width\textwidth
 \vskip 0.25em
 \makebox[1.6in][l]{\dunhb \coursenumber}
 {\dunhb \hfill \disctitle}{\dunhb \hfill \includegraphics[scale = 0.3]{images/QR-code.png}}
 \vskip 0em
 \makebox[1.6in][l]{\dunhb \semester}
 {\dunhb \hfill \dunhs \ifdefined\discnum Mentoring \discnum: \fi\@date}
 \vskip 0.1em
 \hrule height1pt width\textwidth \par \vskip 0.5em
}

% Define section and subsection styles
\def\section{\@startsection{section}{1}{\z@}
{-3.0ex plus -.6ex minus -.2ex}{1.3ex plus .1ex}{\dunhb}}
\def\subsection{\@startsection{subsection}{2}{\z@}
{-1.6ex plus -.5ex minus -.1ex}{0.9ex plus .1ex}{\dunha}}

% Define questions listings
\renewcommand{\questionshook}{
 \setlength{\leftmargin}{0in}
 \setlength{\labelwidth}{0.2in}
}
\renewcommand{\thequestion}{\thesection.\arabic{question}}
\renewcommand{\questionlabel}{\scriptsize\thequestion\hfill}

\long\def\@makecaption#1#2{
 \vskip 10pt
 \setbox\@tempboxa\hbox{{\bf #2}}
 \ifdim \wd\@tempboxa >\hsize {\bf #2}\par \else \hbox
to\hsize{\hfil\box\@tempboxa\hfil}
 \fi}

% Commands used to add rules to tables and figures
\floatstyle{ruled}
\newfloat{ruledfigure}{tbph!}{lop}
\floatname{ruledfigure}{Figure}
\newfloat{ruledtable}{tbph!}{lop}
\floatname{ruledtable}{Table}

% Commands for references
\renewcommand{\eqref}[1]{\hyperref[#1]{Equation \ref*{#1}}}
\newcommand{\exref}[1]{\hyperref[#1]{exercise \ref*{#1}}}
\newcommand{\figref}[1]{\hyperref[#1]{Figure \ref*{#1}}}
\newcommand{\lccderef}[1]{\hyperref[#1]{LCCDE \ref*{#1}}}
\newcommand{\quesref}[1]{\hyperref[#1]{question \ref*{#1}}}
\newcommand{\secref}[1]{\hyperref[#1]{section \ref*{#1}}}
\newcommand{\stepref}[1]{\hyperref[#1]{step \ref*{#1}}}
\newcommand{\tableref}[1]{\hyperref[#1]{Table \ref*{#1}}}
\renewcommand{\equationautorefname}{equation}

% Useful new commands
\newcommand{\email}[1]{\href{#1}{{\tt #1}}}
\newcommand{\super}[1]{\ensuremath{^{\textrm{#1}}}}
\newcommand{\sub}[1]{\ensuremath{_{\textrm{#1}}}}
\newcommand{\boxtext}[2]{\framebox{\parbox[b]{#1}{#2}}}

% Defining terms
\newcommand{\define}[1]{\textbf{#1}}

% Rendering an unnumbered footnote
\makeatletter
\long\def\unmarkedfootnote#1{{\long\def\@makefntext##1{##1}\footnotetext{#1}}}
\makeatother

% Box sizes
\newcommand{\boxlarge}{6.40in}
\newcommand{\boxmed}{6.05in}
\newcommand{\boxsmall}{5.75in}

\usepackage{lstautogobble}

% Define lstlisting styles
\lstset{language=Java,
        basicstyle=\ttfamily,
        showstringspaces=false,
        breaklines=true,
        linewidth=7in,
        keepspaces=true,
        %
        numbers = left,
        columns=fullflexible,
        % frame=single,
        autogobble=true,
        aboveskip=0em,
        belowskip=0em,
        mathescape=true
}

% Creates a minipage environment, which can be used to section off text so that
% it won't be split between two pages. Minipage sets the parskip variable to 0,
% so this preserves the value in the minipage environment.
\newlength{\currentparskip}
\newenvironment{blocksection}{
 \setlength{\currentparskip}{\parskip} % save the value
 \begin{minipage}{\linewidth}
 \setlength{\parskip}{\currentparskip} % restore the value
}{\end{minipage}}

% Mathematical commands
\newcommand{\surjects}{\twoheadrightarrow}
\newcommand{\injects}{\hookrightarrow}
\newcommand{\isom}{\simeq}
\newcommand{\notdiv}{\nmid}
\newcommand{\del}{\partial}
\newcommand{\Intersection}{\bigcap} % intersection of a collection
\newcommand{\intersect}{\cap} % binary intersection
\newcommand{\Union}{\bigcup} % union of a collection
\newcommand{\union}{\cup} % binary union
\newcommand{\tensor}{\otimes}
\newcommand{\directsum}{\oplus} % binary direct sum
\newcommand{\Directsum}{\bigoplus} % direct sum of a collection
\newcommand{\isomto}{\overset{\sim}{\rightarrow}}
% Expected value
\newcommand{\E}[0]{\ensuremath{\mathbb{E}}}
% Probability (of an event)
\renewcommand{\P}[0]{\ensuremath{\mathbb{P}}}
% Variance/covariance
\newcommand{\var}[0]{\text{var}}
\newcommand{\cov}[0]{\text{cov}}
% Fraction with parentheses around it
\newcommand{\pfrac}[2]{\ensuremath{\left(\frac{#1}{#2}\right)}}
% Fraction you can use even if you're not in math mode
\newcommand{\mfrac}[2]{\ensuremath{\frac{#1}{#2}}}
% "maybe equal" - equal with a ? sign on top
\newcommand{\meq}[0]{\ensuremath{\stackrel{?}{=}}}
% maybe anything - anything with a ? on top
\newcommand{\maybe}[1]{\ensuremath{\stackrel{?}{#1}}}
% \problem{1.1} gives you a spiffy-looking "Problem 1.1"
\newcommand{\problem}[1]{ \vspace{.15in} \noindent{\bf Problem #1} \quad\\
\noindent}
% negative/positive infinity
\newcommand{\ninfty}[0]{{\ensuremath{{-\infty}}}}
\newcommand{\pinfty}[0]{{\ensuremath{{+\infty}}}}
% Derivative wrt argument
\newcommand{\der}[1]{\ensuremath{\frac{d}{d #1}}}
% Partial derivative of arg1 wrt arg2
\newcommand{\pder}[2]{\ensuremath{\frac{\partial #1}{\partial #2}}}
% nth derivative
\newcommand{\nder}[2]{\ensuremath{\frac{d^{#2}}{d #1^{#2}}}}
% floor and ceiling
\newcommand{\floor}[1]{\ensuremath{\lfloor{} #1 \rfloor{}}}
\newcommand{\ceil}[1]{\ensuremath{\lceil{} #1 \rceil{}}}
% like \boxed{} but for text instead of math
\newcommand{\tboxed}[1]{\boxed{\text{#1}}}
\def\({\left(}
\def\){\right)}
\def\<{\left\langle}
\def\>{\right\rangle}
% For lemmas
\newtheorem{lemma}{Lemma}