1 |
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2 \documentclass[12pt]{article} |
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3 \usepackage{tikz} |
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4 \usetikzlibrary{shapes} |
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5 \usetikzlibrary{arrows} |
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6 |
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7 \begin{document} |
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8 |
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9 \thispagestyle{empty} |
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10 \setlength{\fboxrule}{0.01pt} |
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11 \setlength{\fboxsep}{4pt} |
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12 |
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13 \fcolorbox{white}{white}{ |
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14 |
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15 \newcommand{\sys}[1]{\emph{#1}} |
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16 |
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17 \begin{tikzpicture}[x = 4cm, y = 1cm] |
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18 \tikzstyle positive=[color = black, fill = white]; |
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19 \tikzstyle negative=[color = white, fill = black]; |
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20 \tikzstyle entity=[rounded corners, draw, thick]; |
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21 \tikzstyle process=[ellipse, draw, thick]; |
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22 \tikzstyle arrow=[-stealth, semithick]; |
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23 \node (spec) at (0, 3) [entity, positive] {specification tools}; |
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24 \node (user) at (1, 3) [entity, positive] {user proofs}; |
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25 \node (spec_user_join) at (0.5, 3) [shape=coordinate] {}; |
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26 \node (raw) at (0.5, 4) [entity, positive] {raw code equations}; |
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27 \node (pre) at (1.5, 4) [process, positive] {preprocessing}; |
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28 \node (eqn) at (2.5, 4) [entity, positive] {code equations}; |
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29 \node (iml) at (0.5, 0) [entity, positive] {intermediate program}; |
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30 \node (seri) at (1.5, 0) [process, positive] {serialisation}; |
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31 \node (SML) at (2.5, 3) [entity, positive] {\sys{SML}}; |
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32 \node (OCaml) at (2.5, 2) [entity, positive] {\sys{OCaml}}; |
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33 \node (Haskell) at (2.5, 1) [entity, positive] {\sys{Haskell}}; |
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34 \node (Scala) at (2.5, 0) [entity, positive] {\sys{Scala}}; |
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35 \draw [semithick] (spec) -- (spec_user_join); |
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36 \draw [semithick] (user) -- (spec_user_join); |
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37 \draw [-diamond, semithick] (spec_user_join) -- (raw); |
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38 \draw [arrow] (raw) -- (pre); |
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39 \draw [arrow] (pre) -- (eqn); |
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40 \draw [arrow] (eqn) -- node (transl) [process, positive] {translation} (iml); |
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41 \draw [arrow] (iml) -- (seri); |
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42 \draw [arrow] (seri) -- (SML); |
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43 \draw [arrow] (seri) -- (OCaml); |
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44 \draw [arrow] (seri) -- (Haskell); |
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45 \draw [arrow] (seri) -- (Scala); |
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46 \end{tikzpicture} |
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47 |
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48 } |
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49 |
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50 \end{document} |
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