\documentclass[dvipsnames,14pt,t,xelatex]{beamer}
\usepackage{../slides}
\usepackage{../graphics}
\usepackage{../langs}
%%\usepackage{../data}
\usepackage[export]{adjustbox}
\hfuzz=220pt
%\setmonofont[Scale=.88]{Consolas}
%\newfontfamily{\consolas}{Consolas}
\lstset{language=Scala,
style=mystyle,
numbersep=0pt,
numbers=none,
xleftmargin=0mm}
\newcommand{\bl}[1]{\textcolor{blue}{#1}}
% beamer stuff
\renewcommand{\slidecaption}{PEP (Scala) 03, King's College London}
\begin{filecontents}{re3a.data}
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2500001 1.68619
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3500001 2.15878
4000001 2.59918
4500001 5.90679
5000001 13.11295
5500001 19.15376
6000001 40.16373
\end{filecontents}
\begin{filecontents}{re-python2.data}
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5 0.036
10 0.034
15 0.036
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19 0.084
20 0.141
21 0.248
22 0.485
23 0.878
24 1.71
25 3.40
26 7.08
27 14.12
28 26.69
\end{filecontents}
\begin{filecontents}{re-java.data}
5 0.00298
10 0.00418
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20 0.10177
21 0.19960
22 0.41159
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24 1.70251
25 3.36112
26 6.63998
27 13.35120
28 29.81185
\end{filecontents}
\begin{document}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}[t]
\frametitle{%
\begin{tabular}{@ {}c@ {}}
\\[5mm]
\huge PEP Scala (3)
\end{tabular}}
\normalsize
\begin{center}
\begin{tabular}{ll}
Email: & christian.urban at kcl.ac.uk\\
Office: & N7.07 (North Wing, Bush House)\\
Slides \& Code: & KEATS\medskip\\
Scala Office & \\
Hours: & Thursdays 11 -- 13\\
\end{tabular}
\end{center}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}[c,fragile]
\begin{textblock}{6}(0.5,0.5)
\begin{bubble}[11.5cm]
\footnotesize
\begin{lstlisting}[language=Scala, numbers=none, xleftmargin=-1mm]
import java.util.concurrent._
import java.util.concurrent.atomic._
def collatz(input:Int){
CollatzConjecture(input);
println(count.get());
}
def collatz_max(input:Int){
val List = new Array[Int](input)
for (i <- 0 to input-1){
CollaĵConjecture(i);
List(i)=count.get();
count.set(0);
}
val max = new AtomicInteger();
max.set(List(0));
val index = new AtomicInteger();
index.set(1);
\end{lstlisting}
\end{bubble}
\end{textblock}
\end{frame}
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\begin{frame}[c,fragile]
\begin{textblock}{6}(0.5,0.5)
\begin{bubble}[11.5cm]
\footnotesize
\begin{lstlisting}[language=Scala, numbers=none, xleftmargin=-1mm]
for(i<-0 to input-1){
val temp :Int=max.get();
if (temp < List(i)){
max.set(List(i));
index.set(i);
}
}
println("("+max.get() +","+ index.get()+ ")");
}
def CollatzConjecture(n: Long): Long = {
count.incrementAndGet();
if (n <= 1)
1
else if (n\%2 ==0)
CollatzConjecture(n/2);
else
CollatzConjecture((3*n)+1);
}
}
\end{lstlisting}
\end{bubble}
\end{textblock}
\end{frame}
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\begin{frame}[c]
\frametitle{CW3 (1 Part): Regexes}
\begin{center}
Graphs: $(a^*)^* b$ and strings $\underbrace{\;a\ldots a\;}_{n}$\bigskip
\begin{tabular}[t]{@{\hspace{-8mm}}c@{\hspace{-4mm}}c@{}}
\raisebox{6mm}{\begin{tikzpicture}
\begin{axis}[
xlabel={$n$},
x label style={at={(1.05,0.0)}},
ylabel={time in secs},
enlargelimits=false,
xtick={0,5,...,30},
xmax=33,
ymax=35,
ytick={0,5,...,30},
scaled ticks=false,
axis lines=left,
width=5.5cm,
height=5cm,
legend entries={Python, Java 8},
legend pos=north west,
legend cell align=left]
\addplot[blue,mark=*, mark options={fill=white}] table {re-python2.data};
\addplot[cyan,mark=*, mark options={fill=white}] table {re-java.data};
\end{axis}
\end{tikzpicture}}
&
\onslide<2>{\begin{tikzpicture}
\begin{axis}[
xlabel={$n$},
x label style={at={(1.05,0.0)}},
ylabel={time in secs},
enlargelimits=false,
ymax=35,
ytick={0,5,...,30},
axis lines=left,
%%scaled ticks=false,
width=5.5cm,
height=5cm]
%%\addplot[green,mark=square*,mark options={fill=white}] table {re2a.data};
\addplot[red,mark=square*,mark options={fill=white}] table {re3a.data};
\end{axis}
\end{tikzpicture}}
\end{tabular}
\end{center}
\hfill\small\url{https://vimeo.com/112065252}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}[c]
\frametitle{Where to go on from here?}
\begin{itemize}
\item Martin Odersky (EPFL)\ldots he is currently throwing out everything
and starts again with the dotty compiler for Scala\medskip
\item Elm (\url{http://elm-lang.org})\ldots web applications with style\medskip
\item Haskell, Ocaml, Standard ML, Scheme, \ldots
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}[c,fragile]
\frametitle{\alert{Questions?}}
{\tiny
\begin{verbatim}
*
* *
* *
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* *
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* *
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* * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
\end{verbatim}}
\begin{textblock}{6}(8.5,3.5)
\begin{bubble}[5cm]
\footnotesize
\begin{lstlisting}[language=Scala, numbers=none, xleftmargin=-1mm]
++++++++[>+>++++<<-]>++>>
+<[-[>>+<<-]+>>]>+[-<<<[-
>[+[-]+>++>>>-<<]<[<]>>++
++++[<<+++++>>-]+<<++.[-]
<<]>.>+[>>]>+]
\end{lstlisting}
\end{bubble}
\end{textblock}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}[c]
\frametitle{Marks for CW6 (Part 1 + 2)}
Raw marks:
\begin{itemize}
\item 6\%: 154 students
\item 5\%: 66
\item 4\%: 18
\item 3\%: 13
\item 2\%: 2
\item 1\%: 1
\item 0\%: 21
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\end{document}
\end{document}
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