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25 lines
714 B
25 lines
714 B
6 years ago
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\documentclass[tikz]{standalone}
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\usepackage{tikz}
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\usetikzlibrary{arrows,shapes,positioning,decorations,decorations.markings,shadows}
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\tikzstyle{block} = [rectangle, draw, fill=white, text centered,
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text width = 3em, minimum height = 1.5em]
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\tikzstyle{point} = [circle, fill=green!80, minimum height=0.5em]
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\tikzstyle{line} = [draw, -latex']
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\begin{document}
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\begin{tikzpicture}[]
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\node [block] (F) at (1.5, 0) {};
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\node [point] at (1.5, 0) {};
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\node [] (L) at (0,0) {{\ttfamily I}};
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\node [] (R) at (3,0) {{\ttfamily O}};
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\node [above of=F, node distance=1.5em] {{\ttfamily Function}};
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\path[line] (F) -- (R);
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\path[line] (L) -- (F);
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\end{tikzpicture}
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\end{document}
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