[Marco] KV-Diagramm Makro hinzufügen
Ein Makro für KV Diagramme wurde hinzugefügt. Für Digitaltechnik wichtig.
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\documentclass{article}
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\input kvmacros
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\sloppy
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\begin{document}
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\title{Typesetting Karnaugh Maps and Veitch Charts with \LaTeX}
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\author{Andreas W. Wieland\\eMail: \texttt{awwieland@gmx.de}}
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\date{January 7th, 2002}
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\maketitle
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\section{Abstract}
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Karnaugh maps and Veitch charts\footnote{In previous releases of this document
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I referred to Karnaugh maps as Karnaugh-Veitch-Maps. This was definitely not
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correct. Thanks to F.~M.~Brown for pointing this error out to me.} are used
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to simplify logic equations. The drawing of them used to be a boring,
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annoying and error-prone task. With the included macros this is no longer a
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problem. They can typeset Karnaugh maps and Veitch charts with up to ten
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variables, which is more than you might likely need. You only have to provide
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a list of variable identifiers plus the function table of your logic
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function(s). The macros also allow to mark the simplifications of your logic
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function directly within a Karnaugh map or Veitch chart.
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\section{Introduction}
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Karnaugh maps and Veitch charts are used to simplify logic equations. They are
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map representations of logic functions, and in that they are equivalent. The
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difference between the two kinds of diagrams is the way in which the variables
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of the functions are located within the diagrams: ``The Karnaugh map \ldots{}
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displays a function's discriminants according to the reflected binary (Gray)
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code. The Veitch chart \ldots{} displays the discriminants in natural binary
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order.'' (F.~M.~Brown)
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However, the drawing of either kind of them used to be a boring, annoying and
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error-prone task. Since I had to typeset a 50+~page collection of exercises
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for a basic computer-science lecture with plenty of Karnaugh maps in it, I
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decided to write some macros that would do this task for me. Let us start
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first with an introduction on how to use these Macros:
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The first thing you have to do is to put the macro file \verb|kvmacros.tex|
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into a directory where \TeX{} will find it, i.e. you have to put it into a
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directory where your \texttt{TEXINPUTS} environment variable points to. You
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can then load them by typing
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\verb|\input kvmacros| somewhere in the preamble of your document.
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Suppose now you have a logic function~$f$ with the following function table:
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\begin{center}
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\begin{tabular}{lr}
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\begin{tabular}[t]{r|cccc|c}
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Index&$a$&$b$&$c$&$d$&$f$\\
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\hline
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0&0&0&0&0&1\\
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1&0&0&0&1&1\\
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2&0&0&1&0&1\\
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3&0&0&1&1&0\\
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4&0&1&0&0&0\\
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5&0&1&0&1&1\\
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6&0&1&1&0&1\\
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7&0&1&1&1&0\\
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\end{tabular}
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&
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\begin{tabular}[t]{r|cccc|c}
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Index&$a$&$b$&$c$&$d$&$f$\\
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\hline
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8&1&0&0&0&0\\
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9&1&0&0&1&1\\
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10&1&0&1&0&1\\
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11&1&0&1&1&0\\
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12&1&1&0&0&0\\
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13&1&1&0&1&1\\
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14&1&1&1&0&1\\
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15&1&1&1&1&0\\
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\end{tabular}
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\end{tabular}
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\end{center}
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This logic function can easily be put into a Karnaugh map by using the
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\verb|\karnaughmap|-macro\footnote{Users of older versions of the macro
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package will notice that the name has changed. Below you will find a
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discussion of the changes between versions.}. It has five parameters: The
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number of variables in the map, an identifier for the function, a list of
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variable identifiers for the variables, and the list of values of $f$ for
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each line in the function table. The variable identifiers in the third
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parameter are ordered from highest to lowest significance (the same way as in
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the function table, with $a$ having a significance of $2^3=8$ and $d$ having a
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significance of $2^0=1$). The list of values of $f$ was read from lowest to
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highest index. The fifth parameter remains empty in this example, it will be
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discussed below:
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\begin{verbatim}
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\karnaughmap{4}{f(a,b,c,d):}{abcd}{1110011001100110}{}
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\end{verbatim}
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This produces the following Karnaugh map, where the indices in the lower left
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corner of each box correspond to the indices in the function
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table:\footnote{The indices can easily be calculated from the variable values
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in the function table, i.e. line 11: the index equals $a\cdot 2^3 + b\cdot
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2^2 + c \cdot 2^1 + d \cdot 2^0=1\cdot 8 + 0\cdot 4 + 1 \cdot 2 + 1 \cdot
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1=11$.}
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\begin{center}
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\karnaughmap{4}{f(a,b,c,d):}{abcd}{1110011001100110}{}
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\end{center}
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The macros work similar for Veitch charts:
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\begin{verbatim}
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\veitchchart{4}{f(a,b,c,d):}{abcd}{0110011001100110}{}
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\end{verbatim}
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\begin{center}
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\veitchchart{4}{f(a,b,c,d):}{abcd}{0110011001100110}{}
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\end{center}
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Notice the difference in the variable location in the diagrams. In my opinion
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Karnaugh maps are much easier to use if you need to simplify a logic function;
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therefore Veitch charts will not be discussed any further in this
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document. Except otherwise noticed, the macros' syntax and functionality are
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exactly the same for Karnaugh maps and Veitch charts.
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The macros that read the variable list and the list of logic values
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(i.e. parameters \#3 and \#4) work
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recursively. Therefore, you have to take special care to supply the
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correct number of tokens to print: If you supply a list of variable
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identifiers or a list of logic values that contains fewer elements than needed
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the macros will cause error messages similar to the following:
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\begin{verbatim}
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! Argument of \kvgetonechar has an extra }.
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<inserted text>
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\par
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l.201 }{}
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?
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\end{verbatim}
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On the contrary, if any of the two lists is longer than
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needed, \emph{you will not be notified!} Moreover, each entry has to be one
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character long, otherwise --- like a variable identifier enclosed in \$s ---
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you have to put it into braces:
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\begin{verbatim}
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\karnaughmap{4}{$f(a,b,c,d):$}{{$a$}{$b$}{$c$}{$d$}}{0110011001100110}{}
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\end{verbatim}
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This produces the following Karnaugh map:
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\begin{center}
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\karnaughmap{4}{$f(a,b,c,d):$}{{$a$}{$b$}{$c$}{$d$}}{0110011001100110}{}
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\end{center}
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\section{Marking simplifications}
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The already mentioned fifth parameter can be used if you want to draw
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something inside the Karnaugh map. For example this is useful if you want to
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show how you simplified a logic function:
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\begin{verbatim}
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\karnaughmap{4}{$f(a,b,c,d):$}{{$a$}{$b$}{$c$}{$d$}}%
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{0110011001100110}%
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{%
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\put(0,2){\oval(1.9,1.9)[r]}
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\put(4,2){\oval(1.9,1.9)[l]}
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\put(2,0){\oval(1.9,1.9)[t]}
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\put(2,4){\oval(1.9,1.9)[b]}
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}
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\end{verbatim}
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The corresponding Karnaugh map looks like this:
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\begin{center}
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\karnaughmap{4}{$f(a,b,c,d):$}{{$a$}{$b$}{$c$}{$d$}}%
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{0110011001100110}%
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{%
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\put(0,2){\oval(1.9,1.9)[r]}
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\put(4,2){\oval(1.9,1.9)[l]}
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\put(2,0){\oval(1.9,1.9)[t]}
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\put(2,4){\oval(1.9,1.9)[b]}
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}
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\end{center}
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You can use any of \LaTeX's graphics macros for this purpose. The Karnaugh map
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has its pivot point at the lower left point\footnote{This is not exactly true,
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but sufficient if you do not want to modify the macros.} and a unitlength that
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is equal to the length of a single box within the Karnaugh map. Sometimes you
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may find that the \verb|\oval|s that you want to draw inside a Karnaugh map are
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slightly shifted to the right. This occurs if you use the \verb|eepic|-Package
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in your document. In this case, make a copy of the \verb|eepic.sty| file,
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rename it to something like \verb|myeepic.sty| and comment out the definition
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of the \verb|\oval|-macro in your local copy. If you put this new
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\verb|myeepic.sty| file somewhere into your \TeX's search path so that \TeX{}
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can find it and you load it properly with e.g. \verb|\usepackage{myeepic}|,
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you shouldn't experience any more trouble.
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\section{Other features}
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There are some more features that you can use. Possibly the most important is
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that you can change the size of the diagrams by changing the size of the
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boxes within the map, simply by typing:
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\begin{verbatim}
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\kvunitlength=15mm
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\karnaughmap{4}{$f:$}{abcd}{0110011001100110}{}
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\end{verbatim}
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This results in the following Karnaugh map. The setting of the
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\verb|\kvunitlength| remains active until you change it again;\footnote{Or, of
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course, until you leave the group in which you redefined the value. This
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applies to all changeable parameters and macro definitions in this section!}
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the default \verb|\kvunitlength| is 8\,mm:
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\begin{center}
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\kvunitlength=15mm
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\karnaughmap{4}{$f:$}{abcd}{0110011001100110}{}
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\end{center}
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Another feature is that you can switch off the indices inside the map by
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typing:
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\begin{verbatim}
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\kvnoindex
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\karnaughmap{4}{$f:$}{abcd}{0110011001100110}{}
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\end{verbatim}
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\begin{center}
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\kvunitlength=8mm
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\kvnoindex
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\karnaughmap{4}{$f:$}{abcd}{0110011001100110}{}
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\end{center}
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This setting also remains active until you switch indexing on again using the
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\verb|\kvindex|-macro:
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\begin{verbatim}
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\kvindex
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\karnaughmap{4}{$f:$}{abcd}{0110011001100110}{}
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\end{verbatim}
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\begin{center}
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\kvindex
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\karnaughmap{4}{$f:$}{abcd}{0110011001100110}{}
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\end{center}
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Usually, the font size of the map's contents and indices should be
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suitable (the defaults are \verb|\tiny| for \verb|\kvindexsize| and
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\verb|\normalsize| for \verb|\kvcontentsize|). If you want to change them, you
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can do this by redefining the \verb|\kvcontentsize|- and
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\verb|\kvindexsize|-macros (Preferably, you should do this in the preamble of
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your document):
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\begin{verbatim}
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\renewcommand\kvindexsize{\footnotesize}
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\karnaughmap{4}{$f:$}{abcd}{0110011001100110}{}
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\end{verbatim}
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\begin{center}
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\renewcommand\kvindexsize{\footnotesize}
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\karnaughmap{4}{$f:$}{abcd}{0110011001100110}{}
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\end{center}
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In the same way you can also change the font family (Although I doubt that
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this is sensible):
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\begin{verbatim}
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\renewcommand\kvindexsize{\footnotesize\it}
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\karnaughmap{4}{$f:$}{abcd}{0110011001100110}{}
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\end{verbatim}
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\begin{center}
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\renewcommand\kvindexsize{\footnotesize\it}
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\karnaughmap{4}{$f:$}{abcd}{0110011001100110}{}
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\end{center}
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These macros are named \verb|\kvfoo|, because they work both for Karnaugh maps
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and Veitch charts.
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\section{If you use an older version of the macros\ldots}
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\ldots{} you will certainly have noticed a number of changes. The most
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important one is that I have changed the name of the macro that draws Karnaugh
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maps from \verb|\kvmap| to \verb|\karnaughmap|. I suggest that you use the new
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name in documents that you newly create. However, I introduced an alias so
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that the old macro name still works:
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\begin{verbatim}
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\def\kvmap{\karnaughmap}
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\end{verbatim}
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Also, in some older versions tokens in the variable list or function table
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that were longer than one character had to be enclosed in \emph{double} braces
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(If you have used any of these versions you will certainly remember this
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annoying feature). This is no longer necessary --- however, it does no
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harm.
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If you need to know more about the exact changes, please consult the revision
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history in \verb|kvmacros.tex|.
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\section{Final remarks}
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This is all you need to know about the usage of my macros. I have tried them
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out and I haven't yet found any serious bugs, but I'm pretty sure there are
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plenty. In this case, or if you have comments or suggestions, please send me
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an eMail. Anyway, I would very much appreciate if you would notify me when you
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use my macros; I would like to know if they are of any use to somebody.
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The maximum size map I could produce was a Karnaugh map with 10~variables;
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with bigger maps I only exceeded \TeX's main memory. This is due to the
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macros' recursive algorithm. Quite likely you will exceed \TeX's capacity with
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even smaller maps if they occur in large documents, but I think no~one in his
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right mind will ever use Karnaugh maps of more than 6\,variables, so I didn't
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care about this problem.
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\section{More examples}
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Below I have given some more examples of Karnaugh maps produced with my
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macros:
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\begin{verbatim}
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\karnaughmap{1}{}{a}{01}{}
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\karnaughmap{2}{$f:$}{{$a$}{$b$}}{0110}{}
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\karnaughmap{3}{$f:$}{{$a$}{$b$}{$c$}}{01100110}{}
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\karnaughmap{4}{$f:$}{{$a$}{$b$}{$c$}{$d$}}{0110011001100110}{}
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\karnaughmap{4}{$f:$}{abcd}{abcdefghijklmnop}{}
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\karnaughmap{5}{$f:$}{{$a$}{$b$}{$c$}{$d$}{$e$}}%
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{0123456789abcdef0123456789abcdef}{}
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\karnaughmap{6}{$f_i^t:$}{abcdef}%
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{0123456789{10}{11}{12}{13}{14}{15}%
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{16}{17}{18}{19}{20}{21}{22}{23}%
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{24}{25}{26}{27}{28}{29}{30}{31}%
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{32}{33}{34}{35}{36}{37}{38}{39}%
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{40}{41}{42}{43}{44}{45}{46}{47}%
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{48}{49}{50}{51}{52}{53}{54}{55}%
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{56}{57}{58}{59}{60}{61}{62}{63}}{}%
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\kvunitlength=6mm
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\kvnoindex
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\karnaughmap{8}{$q_2^4:$}{{$a$}{$b$}{$c$}{$d$}{$e$}%
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{$f$}{$g$}{$h$}}{%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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}{}
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\kvunitlength=8mm
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\kvindex
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\end{verbatim}
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\begin{flushleft}
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\karnaughmap{1}{}{a}{01}{}
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\karnaughmap{2}{$f:$}{{$a$}{$b$}}{0110}{}
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\karnaughmap{3}{$f:$}{{$a$}{$b$}{$c$}}{01100110}{}
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\karnaughmap{4}{$f:$}{{$a$}{$b$}{$c$}{$d$}}{0110011001100110}{}
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\karnaughmap{4}{$f:$}{abcd}{abcdefghijklmnop}{}
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\karnaughmap{5}{$f:$}{{$a$}{$b$}{$c$}{$d$}{$e$}}%
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{0123456789abcdef0123456789abcdef}{}
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\karnaughmap{6}{$f_i^t:$}{abcdef}%
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{0123456789{10}{11}{12}{13}{14}{15}%
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{16}{17}{18}{19}{20}{21}{22}{23}%
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{24}{25}{26}{27}{28}{29}{30}{31}%
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{32}{33}{34}{35}{36}{37}{38}{39}%
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{40}{41}{42}{43}{44}{45}{46}{47}%
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{48}{49}{50}{51}{52}{53}{54}{55}%
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{56}{57}{58}{59}{60}{61}{62}{63}}{}%
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\kvunitlength=6mm
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\kvnoindex
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\karnaughmap{8}{$q_2^4:$}{{$a$}{$b$}{$c$}{$d$}{$e$}%
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{$f$}{$g$}{$h$}}{%
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0011001111001100%
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0011001111001100%
|
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0011001111001100%
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0011001111001100%
|
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0011001111001100%
|
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0011001111001100%
|
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0011001111001100%
|
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0011001111001100%
|
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0011001111001100%
|
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0011001111001100%
|
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0011001111001100%
|
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0011001111001100%
|
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0011001111001100%
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0011001111001100%
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0011001111001100%
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0011001111001100%
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}{}
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\kvunitlength=8mm
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\kvindex
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\end{flushleft}
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\section{Sourcecode}
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Here now you will find the current sourcecode of my macros. I should have
|
||||
commented it more extensively, but failed due to lack of time. Sorry.
|
||||
|
||||
\small
|
||||
\begin{verbatim}
|
||||
%% This is file `kvmacros.tex',
|
||||
%% Version of January 7th, 2002
|
||||
%%
|
||||
%% Copyright (C) 1998-2002 by Andreas W. Wieland, awwieland@gmx.de
|
||||
%%
|
||||
%% This program can be redistributed and/or modified under the terms
|
||||
%% of the LaTeX Project Public License distributed from CTAN
|
||||
%% archives in directory macros/latex/base/lppl.txt; either
|
||||
%% version 1 of the License, or (at your option) any later version,
|
||||
%% with `The Program' referring to the software `kvmacros.tex' and its
|
||||
%% accompanying documentation and `The Copyright Holder' referring to the
|
||||
%% person Andreas W. Wieland.
|
||||
%%
|
||||
%%
|
||||
%%
|
||||
%% IMPORTANT NOTICE:
|
||||
%%
|
||||
%% For error reports, comments or suggestions in case of UNCHANGED
|
||||
%% versions send mail to:
|
||||
%% awwieland@gmx.de
|
||||
%%
|
||||
%% Anyway, if you use my macros, send me an eMail, too. I would like to know
|
||||
%% if they are useful to somebody out there.
|
||||
%%
|
||||
%% Please do not request updates from me directly. Distribution is
|
||||
%% done through Mail-Servers and TeX organizations.
|
||||
%%
|
||||
%% You are allowed to distribute this file under the condition that
|
||||
%% it is distributed together with `kvdoc.tex', `kvdoc.dvi' and `kvdoc.ps'.
|
||||
%%
|
||||
%% If you receive this file alone from someone, complain!
|
||||
%%
|
||||
\typeout{}
|
||||
\typeout{Macros for typesetting Karnaugh maps and Veitch charts}
|
||||
\typeout{Version of January 7th, 2002}
|
||||
\typeout{by Andreas W. Wieland, awwieland@gmx.de}
|
||||
\typeout{}
|
||||
%%
|
||||
%% Change History:
|
||||
%% August 04th, 1998: Original Version
|
||||
%%
|
||||
%% August 19th, 1998: Minor changes to make the lines within the maps look
|
||||
%% better, also moved the variable identifiers from the right to the left and
|
||||
%% added an identifier for the logic function; since then \kvmap has 5
|
||||
%% instead of 4 parameters. I also included the documentation in an additional
|
||||
%% Postscript-file.
|
||||
%%
|
||||
%% September 23rd, 1998: Fixed the problem with double braces by introducing
|
||||
%% the \compdummy and \ende macros in the \ifx-comparisons (see below):
|
||||
%% The parameters that are longer than one character do not have to be
|
||||
%% enclosed in double braces any longer --- single braces are
|
||||
%% sufficient. However, double braces will still be processed correctly.
|
||||
%%
|
||||
%% May 19th, 1999: Changed the documentation (which was months overdue) after
|
||||
%% F. M. Brown pointed me to the incorrectness of the term
|
||||
%% "Karnaugh-Veitch-map". Actually, the macros itself haven't
|
||||
%% changed. Probably I should introduce macros for typesetting Veitch charts
|
||||
%% as well (which would be a minor task). This version was actually never
|
||||
%% released.
|
||||
%%
|
||||
%% May 25th, 1999: Introduced macros for Veitch charts
|
||||
%% (\veitchfoo) and renamed the macros that are solely related to
|
||||
%% Karnaugh maps from \kvfoo to \karnaughfoo. Introduced aliases for those
|
||||
%% macros that are user-callable to maintain compatibility with older versions:
|
||||
%% \kvmap -> \karnaughmap. However, \kvindex, \kvnoindex and \kvunitlength
|
||||
%% haven't changed their names as they are related to both Karnaugh maps and
|
||||
%% Veitch charts. Changed the (plain stupid) algorithm that processes the
|
||||
%% variable-length arguments so that it takes much less time to produce large
|
||||
%% maps. Several macros so became redundant and are no longer included. Also I
|
||||
%% introduced \kvindexsize and \kvcontentsize to adjust the font size of the
|
||||
%% indices and the contents of a diagram. They default to \tiny and
|
||||
%% \normalsize.
|
||||
%%
|
||||
%% January 17th, 2001: Changed the eMail-address in the macro file and the
|
||||
%% accompanying documentation and made minor changes to the documentation.
|
||||
%%
|
||||
%% January 7th, 2002: Exchanged the \xdef to \gdef in the definition of
|
||||
%% \kvargumentstring and \kvgetonechar so that things like {\textbf 1} in the
|
||||
%% argumentlist of \karnaughmap do not cause error messages any longer.
|
||||
%% Thanks to Michal Medveck{\'y} for pointing me to this error.
|
||||
%%
|
||||
%%
|
||||
%%
|
||||
%% We need a fixed dimension for a single field in a Karnaugh map:
|
||||
%%
|
||||
\newdimen\kvunitlength
|
||||
\kvunitlength=8mm
|
||||
%%
|
||||
%% We need a default font size for the indices:
|
||||
%%
|
||||
\newcommand{\kvindexsize}{\tiny}
|
||||
%%
|
||||
%% And we need a default size for the contents and variable identifiers:
|
||||
%%
|
||||
\newcommand{\kvcontentsize}{\normalsize}
|
||||
%%
|
||||
%% First, we have to introduce some counters:
|
||||
%%
|
||||
%% \kvrecursiondepth is used to control the recursion of the
|
||||
%% \karnaughmakemap- and \veitchmakechart-macro.
|
||||
%%
|
||||
\newcount\kvrecursiondepth
|
||||
%%
|
||||
%% The \kvindexcounter is needed for the indices in the fields of the
|
||||
%% diagrams.
|
||||
%%
|
||||
\newcount\kvindexcounter
|
||||
%%
|
||||
%% \kvxsize and \kvysize store the dimensions of an entire diagram.
|
||||
%%
|
||||
\newcount\kvxsize
|
||||
\newcount\kvysize
|
||||
%%
|
||||
%% Some counters are necessary to compute the marks for the variable
|
||||
%% identifiers:
|
||||
%%
|
||||
\newcount\kvvarno
|
||||
\newcount\kvxvarno
|
||||
\newcount\kvyvarno
|
||||
\newcount\kvmarkstart
|
||||
\newcount\kvmarklength
|
||||
\newcount\kvmarknum
|
||||
\newcount\kvmarkmove
|
||||
%%
|
||||
%% And we need a savebox to store the variable marks:
|
||||
%%
|
||||
\newsavebox\kvsavebox
|
||||
%%
|
||||
%% Single fields in a diagram should be indexed, which makes the map easier to
|
||||
%% use. This is the default. If you don't want indices, simply call
|
||||
%% \kvnoindex. If you want indices back, call \kvindex:
|
||||
%%
|
||||
\def\kvnoindex{%
|
||||
\def\kvcurrentindex{}}
|
||||
%%
|
||||
\def\kvindex{%
|
||||
\def\kvcurrentindex{%
|
||||
\the\kvindexcounter\global\advance\kvindexcounter by 1}%
|
||||
}
|
||||
%%
|
||||
\kvindex
|
||||
%%
|
||||
%% We need a macro that computes the powers of two:
|
||||
%%
|
||||
\def\kvpoweroftwo#1#2{% Computes #1=2^#2, both of which have to be counters
|
||||
{\ifnum#2>0
|
||||
\global\multiply#1 by 2
|
||||
\advance#2 by -1
|
||||
\kvpoweroftwo{#1}{#2}
|
||||
\fi}}
|
||||
%%
|
||||
%% The macros \kvargumentstring, \kvgetchar and \kvgetonechar are needed to
|
||||
%% process the variabe-length parameters in \karnaughmap and \veitchchart:
|
||||
%%
|
||||
\def\kvargumentstring#1{\gdef\kvdummystring{#1{}\noexpand\end}}
|
||||
%%
|
||||
\def\kvgetchar{\expandafter\kvgetonechar\kvdummystring}
|
||||
%%
|
||||
\def\kvgetonechar#1#2\end{{#1}\gdef\kvdummystring{#2\noexpand\end}}%
|
||||
%%
|
||||
%% The Macro \karnaughmakemap calls itself recursively until the parameter #1
|
||||
%% equals 1, whereupon it returns a single token from the list of arguments,
|
||||
%% enclosed in a \makebox plus the index (if enabled) in a smaller \makebox:
|
||||
%%
|
||||
\def\karnaughmakemap#1#2{{%
|
||||
\kvrecursiondepth=\number#1
|
||||
\ifnum\kvrecursiondepth>1
|
||||
\divide\kvrecursiondepth by 2
|
||||
\unitlength=\kvunitlength
|
||||
\multiply\unitlength by \kvrecursiondepth
|
||||
%%
|
||||
\ifcase#2
|
||||
%%
|
||||
%% The parameter #2 of \karnaughmakemap is needed because the inner Karnaugh
|
||||
%% maps need to be mirrored. This is achieved by the following case-statement,
|
||||
%% which orders the inner Karnaugh maps properly:
|
||||
%%
|
||||
%% Case 0: top-left Karnaugh map
|
||||
\begin{picture}(2,2)%
|
||||
\put(0,1){\karnaughmakemap{\kvrecursiondepth}{0}}%
|
||||
\put(1,1){\karnaughmakemap{\kvrecursiondepth}{1}}%
|
||||
\put(0,0){\karnaughmakemap{\kvrecursiondepth}{2}}%
|
||||
\put(1,0){\karnaughmakemap{\kvrecursiondepth}{3}}%
|
||||
\end{picture}%
|
||||
\or
|
||||
%% Case 1: top-right Karnaugh map
|
||||
\begin{picture}(2,2)%
|
||||
\put(1,1){\karnaughmakemap{\kvrecursiondepth}{1}}%
|
||||
\put(0,1){\karnaughmakemap{\kvrecursiondepth}{0}}%
|
||||
\put(1,0){\karnaughmakemap{\kvrecursiondepth}{3}}%
|
||||
\put(0,0){\karnaughmakemap{\kvrecursiondepth}{2}}%
|
||||
\end{picture}%
|
||||
\or
|
||||
%% Case 2: bottom-left Karnaugh map
|
||||
\begin{picture}(2,2)%
|
||||
\put(0,0){\karnaughmakemap{\kvrecursiondepth}{2}}%
|
||||
\put(1,0){\karnaughmakemap{\kvrecursiondepth}{3}}%
|
||||
\put(0,1){\karnaughmakemap{\kvrecursiondepth}{0}}%
|
||||
\put(1,1){\karnaughmakemap{\kvrecursiondepth}{1}}%
|
||||
\end{picture}%
|
||||
\or
|
||||
%% Case 3: bottom-right Karnaugh map
|
||||
\begin{picture}(2,2)%
|
||||
\put(1,0){\karnaughmakemap{\kvrecursiondepth}{3}}%
|
||||
\put(0,0){\karnaughmakemap{\kvrecursiondepth}{2}}%
|
||||
\put(1,1){\karnaughmakemap{\kvrecursiondepth}{1}}%
|
||||
\put(0,1){\karnaughmakemap{\kvrecursiondepth}{0}}%
|
||||
\end{picture}%
|
||||
\fi
|
||||
\else
|
||||
\unitlength=\kvunitlength
|
||||
\begin{picture}(1,1)
|
||||
\put(0,0){\makebox(1,1){\kvcontentsize\kvgetchar}}%
|
||||
\put(0.05,0.05){\makebox(0.9,0.9)[bl]{\kvindexsize\kvcurrentindex}}%
|
||||
\end{picture}
|
||||
\fi}}%
|
||||
%%
|
||||
%% \karnaughmaketopmark typesets the variable marks of a Karnaugh map that are
|
||||
%% located on top of the diagram:
|
||||
%%
|
||||
\def\karnaughmaketopmark{%
|
||||
\unitlength\kvunitlength
|
||||
\begin{picture}(\kvxsize,1)
|
||||
\kvmarkstart=1
|
||||
\kvpoweroftwo{\kvmarkstart}{\kvxvarno} % \kvymarkstart is the start
|
||||
% position for the \multiput
|
||||
\kvmarklength=\kvmarkstart
|
||||
\multiply\kvmarklength by 2 % \kvmarklength is the length of a mark
|
||||
\kvmarkmove=\kvmarkstart
|
||||
\multiply\kvmarkmove by 4 % This is the move distance for the \multiput.
|
||||
\kvmarknum=\kvxsize
|
||||
\divide\kvmarknum by \kvmarkmove % This is the number of repetitions for
|
||||
% the \multiput.
|
||||
%The highest-order variable mark needs a special treatment:
|
||||
\ifnum\kvmarknum=0\kvmarknum=1\divide\kvmarklength by 2\fi
|
||||
\savebox\kvsavebox(\kvmarklength,1){%
|
||||
\begin{picture}(\kvmarklength,1)
|
||||
\put(0,0.3){\makebox(\kvmarklength,0.7){\kvcontentsize\kvgetchar}}
|
||||
\put(0,0.1){\line(0,1){0.4}}
|
||||
\put(\kvmarklength,0.1){\line(0,1){0.4}}
|
||||
\put(0,0.3){\line(1,0){\kvmarklength}}
|
||||
\end{picture}}
|
||||
\multiput(\kvmarkstart,0)(\kvmarkmove,0){\kvmarknum}{\usebox\kvsavebox}
|
||||
\end{picture}
|
||||
}
|
||||
%%
|
||||
%% \karnaughmakeleftmark typesets the variable marks of a Karnaugh map that are
|
||||
%% located on the left of the diagram:
|
||||
%%
|
||||
\def\karnaughmakeleftmark{%
|
||||
\unitlength\kvunitlength
|
||||
\begin{picture}(-1,\kvysize)(0,-\kvysize)
|
||||
\kvmarkstart=1
|
||||
\kvpoweroftwo{\kvmarkstart}{\kvyvarno} % \kvmarkstart is the start
|
||||
% position for the \multiput
|
||||
\kvmarklength=\kvmarkstart
|
||||
\multiply\kvmarklength by 2 % \kvmarklength is the length of a mark
|
||||
\kvmarkmove=\kvmarkstart
|
||||
\multiply\kvmarkmove by 4 % This now is the move distance for the
|
||||
% \multiput.
|
||||
\kvmarknum=\kvysize
|
||||
\divide\kvmarknum by \kvmarkmove % This now is the number of
|
||||
% repetitions for the \multiput.
|
||||
%The highest-order variable mark needs a special treatment:
|
||||
\ifnum\kvmarknum=0\kvmarknum=1\divide\kvmarklength by 2\fi
|
||||
\advance\kvmarkstart by \kvmarklength
|
||||
\savebox\kvsavebox(1,\kvmarklength){%
|
||||
\begin{picture}(1,\kvmarklength)
|
||||
\put(-0.3,0){\makebox(-0.7,\kvmarklength){\kvcontentsize\kvgetchar}}
|
||||
\put(-0.1,0){\line(-1,0){0.4}}
|
||||
\put(-0.1,\kvmarklength){\line(-1,0){0.4}}
|
||||
\put(-0.3,0){\line(0,1){\kvmarklength}}
|
||||
\end{picture}}
|
||||
\multiput(0,-\kvmarkstart)(0,-\kvmarkmove){\kvmarknum}{\usebox\kvsavebox}
|
||||
\end{picture}
|
||||
}
|
||||
%% \karnaughmakemarks calls \karnaughmaketopmark or \karnaughmakeleftmark
|
||||
%% depending on whether \kvvarno is odd or even.
|
||||
%%
|
||||
\def\karnaughmakemarks{%
|
||||
\ifnum\kvvarno>0
|
||||
\let\next=\karnaughmakemarks
|
||||
\ifodd\kvvarno % We have to make a mark at the top
|
||||
\advance\kvxvarno by -1
|
||||
\put(0,\kvxvarno){\karnaughmaketopmark}
|
||||
\else % We have to make a mark at the left
|
||||
\advance\kvyvarno by -1
|
||||
\put(-\kvyvarno,-\kvysize){\karnaughmakeleftmark}
|
||||
\fi
|
||||
\advance\kvvarno by -1
|
||||
\else
|
||||
\let\next=\relax
|
||||
\fi
|
||||
\next
|
||||
}
|
||||
%%
|
||||
%% \karnaughmap is the macro that a user calls if he wants to draw a
|
||||
%% Karnaugh map:
|
||||
%%
|
||||
\def\karnaughmap#1#2#3#4#5{%
|
||||
%%
|
||||
%% #1 is the number of variables in the Karnaugh map
|
||||
%% #2 is the identifier of the function
|
||||
%% #3 is the list of identifiers of those variables
|
||||
%% #4 is the list of tokens that have to be written into the map
|
||||
%% #5 is something that you want to draw inside the Karnaugh map
|
||||
%%
|
||||
\kvvarno=#1 % \kvvarno is the total number of variables
|
||||
\kvyvarno=#1 % \kvyvarno is the number of variable marks at the left
|
||||
\divide\kvyvarno by 2
|
||||
\kvxvarno=#1 % \kvxvarno is the number of variable marks on top
|
||||
\advance\kvxvarno by -\kvyvarno
|
||||
\kvxsize=1
|
||||
\kvpoweroftwo{\kvxsize}{\kvxvarno}
|
||||
\kvysize=1
|
||||
\kvpoweroftwo{\kvysize}{\kvyvarno}
|
||||
\advance\kvxsize by \kvyvarno
|
||||
\advance\kvxvarno by \kvysize
|
||||
\unitlength\kvunitlength
|
||||
\begin{picture}(\kvxsize,\kvxvarno)(-\kvyvarno,-\kvysize)
|
||||
\advance\kvxsize by -\kvyvarno
|
||||
\advance\kvxvarno by -\kvysize
|
||||
\put(0,-\kvysize){%
|
||||
\begin{picture}(\kvxsize,\kvysize)
|
||||
\multiput(0,0)(0,1){\kvysize}{\line(1,0){\kvxsize}}
|
||||
\multiput(0,0)(1,0){\kvxsize}{\line(0,1){\kvysize}}
|
||||
\put(0,\kvysize){\line(1,0){\kvxsize}}
|
||||
\put(\kvxsize,0){\line(0,1){\kvysize}}
|
||||
#5
|
||||
\end{picture}}
|
||||
\put(-\kvyvarno,0){\makebox(\kvyvarno,\kvxvarno){#2}}
|
||||
\kvindexcounter=0
|
||||
\kvargumentstring{#4}
|
||||
\put(0,-\kvysize){\karnaughmakemap{\kvysize}{0}}
|
||||
\ifodd\kvvarno
|
||||
{\divide\kvxsize by 2
|
||||
\put(\kvxsize,-\kvysize){\karnaughmakemap{\kvysize}{1}}}
|
||||
\fi
|
||||
\kvargumentstring{#3}
|
||||
\karnaughmakemarks
|
||||
%%
|
||||
\end{picture}
|
||||
}%
|
||||
%%
|
||||
%% The definition of \kvmap is necessary to maintain compatibility with older
|
||||
%% versions of this macro package:
|
||||
%%
|
||||
\def\kvmap{\karnaughmap}%
|
||||
%%
|
||||
%%
|
||||
%% The Macro \veitchmakechart calls itself recursively until the parameter #1
|
||||
%% equals 1, whereupon it returns a single token from the list of arguments,
|
||||
%% enclosed in a \makebox plus the index (if enabled) in a smaller \makebox:
|
||||
%%
|
||||
\def\veitchmakechart#1{{%
|
||||
\kvrecursiondepth=\number#1
|
||||
\ifnum\kvrecursiondepth>1
|
||||
\divide\kvrecursiondepth by 2
|
||||
\unitlength=\kvunitlength
|
||||
\multiply\unitlength by \kvrecursiondepth
|
||||
%%
|
||||
\begin{picture}(2,2)%
|
||||
\put(0,1){\veitchmakechart{\kvrecursiondepth}}%
|
||||
\put(1,1){\veitchmakechart{\kvrecursiondepth}}%
|
||||
\put(0,0){\veitchmakechart{\kvrecursiondepth}}%
|
||||
\put(1,0){\veitchmakechart{\kvrecursiondepth}}%
|
||||
\end{picture}%
|
||||
\else
|
||||
\unitlength=\kvunitlength
|
||||
\begin{picture}(1,1)
|
||||
\put(0,0){\makebox(1,1){\kvcontentsize\kvgetchar}}%
|
||||
\put(0.05,0.05){\makebox(0.9,0.9)[bl]{\kvindexsize\kvcurrentindex}}%
|
||||
\end{picture}
|
||||
\fi}}%
|
||||
%%
|
||||
\def\veitchmaketopmark{%
|
||||
\unitlength\kvunitlength
|
||||
\begin{picture}(\kvxsize,1)
|
||||
\kvmarkstart=1
|
||||
\kvpoweroftwo{\kvmarkstart}{\kvxvarno} % \kvymarkstart is the start
|
||||
% position for the \multiput
|
||||
\kvmarklength=\kvmarkstart % \kvmarklength is the length of a mark
|
||||
\kvmarkmove=\kvmarkstart
|
||||
\multiply\kvmarkmove by 2 % This is the move distance for the \multiput.
|
||||
\kvmarknum=\kvxsize
|
||||
\divide\kvmarknum by \kvmarkmove % This is the number of repetitions for
|
||||
% the \multiput.
|
||||
\savebox\kvsavebox(\kvmarklength,1){%
|
||||
\begin{picture}(\kvmarklength,1)
|
||||
\put(0,0.3){\makebox(\kvmarklength,0.7){\kvcontentsize\kvgetchar}}
|
||||
\put(0,0.1){\line(0,1){0.4}}
|
||||
\put(\kvmarklength,0.1){\line(0,1){0.4}}
|
||||
\put(0,0.3){\line(1,0){\kvmarklength}}
|
||||
\end{picture}}
|
||||
\multiput(\kvmarkstart,0)(\kvmarkmove,0){\kvmarknum}{\usebox\kvsavebox}
|
||||
\end{picture}
|
||||
}
|
||||
%%
|
||||
\def\veitchmakeleftmark{%
|
||||
\unitlength\kvunitlength
|
||||
\begin{picture}(-1,\kvysize)(0,-\kvysize)
|
||||
\kvmarkstart=1
|
||||
\kvpoweroftwo{\kvmarkstart}{\kvyvarno} % \kvmarkstart is the start
|
||||
% position for the \multiput
|
||||
\kvmarklength=\kvmarkstart
|
||||
\kvmarkmove=\kvmarkstart
|
||||
\multiply\kvmarkmove by 2 % This now is the move distance for the \multiput.
|
||||
\kvmarknum=\kvysize
|
||||
\divide\kvmarknum by \kvmarkmove % This now is the number of
|
||||
% repetitions for the \multiput.
|
||||
\advance\kvmarkstart by \kvmarklength
|
||||
\savebox\kvsavebox(1,\kvmarklength){%
|
||||
\begin{picture}(1,\kvmarklength)
|
||||
\put(-0.3,0){\makebox(-0.7,\kvmarklength){\kvcontentsize\kvgetchar}}
|
||||
\put(-0.1,0){\line(-1,0){0.4}}
|
||||
\put(-0.1,\kvmarklength){\line(-1,0){0.4}}
|
||||
\put(-0.3,0){\line(0,1){\kvmarklength}}
|
||||
\end{picture}}
|
||||
\multiput(0,-\kvmarkstart)(0,-\kvmarkmove){\kvmarknum}{\usebox\kvsavebox}
|
||||
\end{picture}
|
||||
}
|
||||
%%
|
||||
\def\veitchmakemarks{%
|
||||
\ifnum\kvvarno>0
|
||||
\let\next=\veitchmakemarks
|
||||
\ifodd\kvvarno % We have to make a mark at the top
|
||||
\advance\kvxvarno by -1
|
||||
\put(0,\kvxvarno){\veitchmaketopmark}
|
||||
\else % We have to make a mark at the left
|
||||
\advance\kvyvarno by -1
|
||||
\put(-\kvyvarno,-\kvysize){\veitchmakeleftmark}
|
||||
\fi
|
||||
\advance\kvvarno by -1
|
||||
\else
|
||||
\let\next=\relax
|
||||
\fi
|
||||
\next
|
||||
}
|
||||
%%
|
||||
\def\veitchchart#1#2#3#4#5{%
|
||||
%%
|
||||
%% #1 is the number of variables in the Veitch chart
|
||||
%% #2 is the identifier of the function
|
||||
%% #3 is the list of identifiers of those variables
|
||||
%% #4 is the list of tokens that have to be written into the chart
|
||||
%% #5 is something that you want to draw inside the Veitch chart
|
||||
%%
|
||||
\kvvarno=#1 % \kvvarno is the total number of variables
|
||||
\kvyvarno=#1 % \kvyvarno is the number of variable marks at the left
|
||||
\divide\kvyvarno by 2
|
||||
\kvxvarno=#1 % \kvxvarno is the number of variable marks on top
|
||||
\advance\kvxvarno by -\kvyvarno
|
||||
\kvxsize=1
|
||||
\kvpoweroftwo{\kvxsize}{\kvxvarno}
|
||||
\kvysize=1
|
||||
\kvpoweroftwo{\kvysize}{\kvyvarno}
|
||||
\advance\kvxsize by \kvyvarno
|
||||
\advance\kvxvarno by \kvysize
|
||||
\unitlength\kvunitlength
|
||||
\begin{picture}(\kvxsize,\kvxvarno)(-\kvyvarno,-\kvysize)
|
||||
\advance\kvxsize by -\kvyvarno
|
||||
\advance\kvxvarno by -\kvysize
|
||||
\put(0,-\kvysize){%
|
||||
\begin{picture}(\kvxsize,\kvysize)
|
||||
\multiput(0,0)(0,1){\kvysize}{\line(1,0){\kvxsize}}
|
||||
\multiput(0,0)(1,0){\kvxsize}{\line(0,1){\kvysize}}
|
||||
\put(0,\kvysize){\line(1,0){\kvxsize}}
|
||||
\put(\kvxsize,0){\line(0,1){\kvysize}}
|
||||
#5
|
||||
\end{picture}}
|
||||
\put(-\kvyvarno,0){\makebox(\kvyvarno,\kvxvarno){#2}}
|
||||
\kvindexcounter=0
|
||||
\kvargumentstring{#4}
|
||||
\put(0,-\kvysize){\veitchmakechart{\kvysize}}
|
||||
\ifodd\kvvarno
|
||||
{\divide\kvxsize by 2
|
||||
\put(\kvxsize,-\kvysize){\veitchmakechart{\kvysize}}}
|
||||
\fi
|
||||
\kvargumentstring{#3}
|
||||
\veitchmakemarks
|
||||
%%
|
||||
\end{picture}
|
||||
}%
|
||||
%%
|
||||
|
||||
%%% Local Variables:
|
||||
%%% mode: latex
|
||||
%%% TeX-master: t
|
||||
%%% End:
|
||||
\end{verbatim}
|
||||
|
||||
\end{document}
|
||||
|
||||
%%% Local Variables:
|
||||
%%% mode: latex
|
||||
%%% TeX-master: t
|
||||
%%% End:
|
||||
|
||||
|
489
kvmacros.tex
Normal file
489
kvmacros.tex
Normal file
|
@ -0,0 +1,489 @@
|
|||
%% This is file `kvmacros.tex',
|
||||
%% Version of January 7th, 2002
|
||||
%%
|
||||
%% Copyright (C) 1998-2002 by Andreas W. Wieland, awwieland@gmx.de
|
||||
%%
|
||||
%% This program can be redistributed and/or modified under the terms
|
||||
%% of the LaTeX Project Public License distributed from CTAN
|
||||
%% archives in directory macros/latex/base/lppl.txt; either
|
||||
%% version 1 of the License, or (at your option) any later version,
|
||||
%% with `The Program' referring to the software `kvmacros.tex' and its
|
||||
%% accompanying documentation and `The Copyright Holder' referring to the
|
||||
%% person Andreas W. Wieland.
|
||||
%%
|
||||
%%
|
||||
%%
|
||||
%% IMPORTANT NOTICE:
|
||||
%%
|
||||
%% For error reports, comments or suggestions in case of UNCHANGED
|
||||
%% versions send mail to:
|
||||
%% awwieland@gmx.de
|
||||
%%
|
||||
%% Anyway, if you use my macros, send me an eMail, too. I would like to know
|
||||
%% if they are useful to somebody out there.
|
||||
%%
|
||||
%% Please do not request updates from me directly. Distribution is
|
||||
%% done through Mail-Servers and TeX organizations.
|
||||
%%
|
||||
%% You are allowed to distribute this file under the condition that
|
||||
%% it is distributed together with `kvdoc.tex', `kvdoc.dvi' and `kvdoc.ps'.
|
||||
%%
|
||||
%% If you receive this file alone from someone, complain!
|
||||
%%
|
||||
\typeout{}
|
||||
\typeout{Macros for typesetting Karnaugh maps and Veitch charts}
|
||||
\typeout{Version of January 7th, 2002}
|
||||
\typeout{by Andreas W. Wieland, awwieland@gmx.de}
|
||||
\typeout{}
|
||||
%%
|
||||
%% Change History:
|
||||
%% August 04th, 1998: Original Version
|
||||
%%
|
||||
%% August 19th, 1998: Minor changes to make the lines within the maps look
|
||||
%% better, also moved the variable identifiers from the right to the left and
|
||||
%% added an identifier for the logic function; since then \kvmap has 5
|
||||
%% instead of 4 parameters. I also included the documentation in an additional
|
||||
%% Postscript-file.
|
||||
%%
|
||||
%% September 23rd, 1998: Fixed the problem with double braces by introducing
|
||||
%% the \compdummy and \ende macros in the \ifx-comparisons (see below):
|
||||
%% The parameters that are longer than one character do not have to be
|
||||
%% enclosed in double braces any longer --- single braces are
|
||||
%% sufficient. However, double braces will still be processed correctly.
|
||||
%%
|
||||
%% May 19th, 1999: Changed the documentation (which was months overdue) after
|
||||
%% F. M. Brown pointed me to the incorrectness of the term
|
||||
%% "Karnaugh-Veitch-map". Actually, the macros itself haven't
|
||||
%% changed. Probably I should introduce macros for typesetting Veitch charts
|
||||
%% as well (which would be a minor task). This version was actually never
|
||||
%% released.
|
||||
%%
|
||||
%% May 25th, 1999: Introduced macros for Veitch charts
|
||||
%% (\veitchfoo) and renamed the macros that are solely related to
|
||||
%% Karnaugh maps from \kvfoo to \karnaughfoo. Introduced aliases for those
|
||||
%% macros that are user-callable to maintain compatibility with older versions:
|
||||
%% \kvmap -> \karnaughmap. However, \kvindex, \kvnoindex and \kvunitlength
|
||||
%% haven't changed their names as they are related to both Karnaugh maps and
|
||||
%% Veitch charts. Changed the (plain stupid) algorithm that processes the
|
||||
%% variable-length arguments so that it takes much less time to produce large
|
||||
%% maps. Several macros so became redundant and are no longer included. Also I
|
||||
%% introduced \kvindexsize and \kvcontentsize to adjust the font size of the
|
||||
%% indices and the contents of a diagram. They default to \tiny and
|
||||
%% \normalsize.
|
||||
%%
|
||||
%% January 17th, 2001: Changed the eMail-address in the macro file and the
|
||||
%% accompanying documentation and made minor changes to the documentation.
|
||||
%%
|
||||
%% January 7th, 2002: Exchanged the \xdef to \gdef in the definition of
|
||||
%% \kvargumentstring and \kvgetonechar so that things like {\textbf 1} in the
|
||||
%% argumentlist of \karnaughmap do not cause error messages any longer.
|
||||
%% Thanks to Michal Medveck{\'y} for pointing me to this error.
|
||||
%%
|
||||
%%
|
||||
%%
|
||||
%% We need a fixed dimension for a single field in a Karnaugh map:
|
||||
%%
|
||||
\newdimen\kvunitlength
|
||||
\kvunitlength=8mm
|
||||
%%
|
||||
%% We need a default font size for the indices:
|
||||
%%
|
||||
\newcommand{\kvindexsize}{\tiny}
|
||||
%%
|
||||
%% And we need a default size for the contents and variable identifiers:
|
||||
%%
|
||||
\newcommand{\kvcontentsize}{\normalsize}
|
||||
%%
|
||||
%% First, we have to introduce some counters:
|
||||
%%
|
||||
%% \kvrecursiondepth is used to control the recursion of the
|
||||
%% \karnaughmakemap- and \veitchmakechart-macro.
|
||||
%%
|
||||
\newcount\kvrecursiondepth
|
||||
%%
|
||||
%% The \kvindexcounter is needed for the indices in the fields of the
|
||||
%% diagrams.
|
||||
%%
|
||||
\newcount\kvindexcounter
|
||||
%%
|
||||
%% \kvxsize and \kvysize store the dimensions of an entire diagram.
|
||||
%%
|
||||
\newcount\kvxsize
|
||||
\newcount\kvysize
|
||||
%%
|
||||
%% Some counters are necessary to compute the marks for the variable
|
||||
%% identifiers:
|
||||
%%
|
||||
\newcount\kvvarno
|
||||
\newcount\kvxvarno
|
||||
\newcount\kvyvarno
|
||||
\newcount\kvmarkstart
|
||||
\newcount\kvmarklength
|
||||
\newcount\kvmarknum
|
||||
\newcount\kvmarkmove
|
||||
%%
|
||||
%% And we need a savebox to store the variable marks:
|
||||
%%
|
||||
\newsavebox\kvsavebox
|
||||
%%
|
||||
%% Single fields in a diagram should be indexed, which makes the map easier to
|
||||
%% use. This is the default. If you don't want indices, simply call
|
||||
%% \kvnoindex. If you want indices back, call \kvindex:
|
||||
%%
|
||||
\def\kvnoindex{%
|
||||
\def\kvcurrentindex{}}
|
||||
%%
|
||||
\def\kvindex{%
|
||||
\def\kvcurrentindex{%
|
||||
\the\kvindexcounter\global\advance\kvindexcounter by 1}%
|
||||
}
|
||||
%%
|
||||
\kvindex
|
||||
%%
|
||||
%% We need a macro that computes the powers of two:
|
||||
%%
|
||||
\def\kvpoweroftwo#1#2{% Computes #1=2^#2, both of which have to be counters
|
||||
{\ifnum#2>0
|
||||
\global\multiply#1 by 2
|
||||
\advance#2 by -1
|
||||
\kvpoweroftwo{#1}{#2}
|
||||
\fi}}
|
||||
%%
|
||||
%% The macros \kvargumentstring, \kvgetchar and \kvgetonechar are needed to
|
||||
%% process the variabe-length parameters in \karnaughmap and \veitchchart:
|
||||
%%
|
||||
\def\kvargumentstring#1{\gdef\kvdummystring{#1{}\noexpand\end}}
|
||||
%%
|
||||
\def\kvgetchar{\expandafter\kvgetonechar\kvdummystring}
|
||||
%%
|
||||
\def\kvgetonechar#1#2\end{{#1}\gdef\kvdummystring{#2\noexpand\end}}%
|
||||
%%
|
||||
%% The Macro \karnaughmakemap calls itself recursively until the parameter #1
|
||||
%% equals 1, whereupon it returns a single token from the list of arguments,
|
||||
%% enclosed in a \makebox plus the index (if enabled) in a smaller \makebox:
|
||||
%%
|
||||
\def\karnaughmakemap#1#2{{%
|
||||
\kvrecursiondepth=\number#1
|
||||
\ifnum\kvrecursiondepth>1
|
||||
\divide\kvrecursiondepth by 2
|
||||
\unitlength=\kvunitlength
|
||||
\multiply\unitlength by \kvrecursiondepth
|
||||
%%
|
||||
\ifcase#2
|
||||
%%
|
||||
%% The parameter #2 of \karnaughmakemap is needed because the inner Karnaugh
|
||||
%% maps need to be mirrored. This is achieved by the following case-statement,
|
||||
%% which orders the inner Karnaugh maps properly:
|
||||
%%
|
||||
%% Case 0: top-left Karnaugh map
|
||||
\begin{picture}(2,2)%
|
||||
\put(0,1){\karnaughmakemap{\kvrecursiondepth}{0}}%
|
||||
\put(1,1){\karnaughmakemap{\kvrecursiondepth}{1}}%
|
||||
\put(0,0){\karnaughmakemap{\kvrecursiondepth}{2}}%
|
||||
\put(1,0){\karnaughmakemap{\kvrecursiondepth}{3}}%
|
||||
\end{picture}%
|
||||
\or
|
||||
%% Case 1: top-right Karnaugh map
|
||||
\begin{picture}(2,2)%
|
||||
\put(1,1){\karnaughmakemap{\kvrecursiondepth}{1}}%
|
||||
\put(0,1){\karnaughmakemap{\kvrecursiondepth}{0}}%
|
||||
\put(1,0){\karnaughmakemap{\kvrecursiondepth}{3}}%
|
||||
\put(0,0){\karnaughmakemap{\kvrecursiondepth}{2}}%
|
||||
\end{picture}%
|
||||
\or
|
||||
%% Case 2: bottom-left Karnaugh map
|
||||
\begin{picture}(2,2)%
|
||||
\put(0,0){\karnaughmakemap{\kvrecursiondepth}{2}}%
|
||||
\put(1,0){\karnaughmakemap{\kvrecursiondepth}{3}}%
|
||||
\put(0,1){\karnaughmakemap{\kvrecursiondepth}{0}}%
|
||||
\put(1,1){\karnaughmakemap{\kvrecursiondepth}{1}}%
|
||||
\end{picture}%
|
||||
\or
|
||||
%% Case 3: bottom-right Karnaugh map
|
||||
\begin{picture}(2,2)%
|
||||
\put(1,0){\karnaughmakemap{\kvrecursiondepth}{3}}%
|
||||
\put(0,0){\karnaughmakemap{\kvrecursiondepth}{2}}%
|
||||
\put(1,1){\karnaughmakemap{\kvrecursiondepth}{1}}%
|
||||
\put(0,1){\karnaughmakemap{\kvrecursiondepth}{0}}%
|
||||
\end{picture}%
|
||||
\fi
|
||||
\else
|
||||
\unitlength=\kvunitlength
|
||||
\begin{picture}(1,1)
|
||||
\put(0,0){\makebox(1,1){\kvcontentsize\kvgetchar}}%
|
||||
\put(0.05,0.05){\makebox(0.9,0.9)[bl]{\kvindexsize\kvcurrentindex}}%
|
||||
\end{picture}
|
||||
\fi}}%
|
||||
%%
|
||||
%% \karnaughmaketopmark typesets the variable marks of a Karnaugh map that are
|
||||
%% located on top of the diagram:
|
||||
%%
|
||||
\def\karnaughmaketopmark{%
|
||||
\unitlength\kvunitlength
|
||||
\begin{picture}(\kvxsize,1)
|
||||
\kvmarkstart=1
|
||||
\kvpoweroftwo{\kvmarkstart}{\kvxvarno} % \kvymarkstart is the start
|
||||
% position for the \multiput
|
||||
\kvmarklength=\kvmarkstart
|
||||
\multiply\kvmarklength by 2 % \kvmarklength is the length of a mark
|
||||
\kvmarkmove=\kvmarkstart
|
||||
\multiply\kvmarkmove by 4 % This is the move distance for the \multiput.
|
||||
\kvmarknum=\kvxsize
|
||||
\divide\kvmarknum by \kvmarkmove % This is the number of repetitions for
|
||||
% the \multiput.
|
||||
%The highest-order variable mark needs a special treatment:
|
||||
\ifnum\kvmarknum=0\kvmarknum=1\divide\kvmarklength by 2\fi
|
||||
\savebox\kvsavebox(\kvmarklength,1){%
|
||||
\begin{picture}(\kvmarklength,1)
|
||||
\put(0,0.3){\makebox(\kvmarklength,0.7){\kvcontentsize\kvgetchar}}
|
||||
\put(0,0.1){\line(0,1){0.4}}
|
||||
\put(\kvmarklength,0.1){\line(0,1){0.4}}
|
||||
\put(0,0.3){\line(1,0){\kvmarklength}}
|
||||
\end{picture}}
|
||||
\multiput(\kvmarkstart,0)(\kvmarkmove,0){\kvmarknum}{\usebox\kvsavebox}
|
||||
\end{picture}
|
||||
}
|
||||
%%
|
||||
%% \karnaughmakeleftmark typesets the variable marks of a Karnaugh map that are
|
||||
%% located on the left of the diagram:
|
||||
%%
|
||||
\def\karnaughmakeleftmark{%
|
||||
\unitlength\kvunitlength
|
||||
\begin{picture}(-1,\kvysize)(0,-\kvysize)
|
||||
\kvmarkstart=1
|
||||
\kvpoweroftwo{\kvmarkstart}{\kvyvarno} % \kvmarkstart is the start
|
||||
% position for the \multiput
|
||||
\kvmarklength=\kvmarkstart
|
||||
\multiply\kvmarklength by 2 % \kvmarklength is the length of a mark
|
||||
\kvmarkmove=\kvmarkstart
|
||||
\multiply\kvmarkmove by 4 % This now is the move distance for the
|
||||
% \multiput.
|
||||
\kvmarknum=\kvysize
|
||||
\divide\kvmarknum by \kvmarkmove % This now is the number of
|
||||
% repetitions for the \multiput.
|
||||
%The highest-order variable mark needs a special treatment:
|
||||
\ifnum\kvmarknum=0\kvmarknum=1\divide\kvmarklength by 2\fi
|
||||
\advance\kvmarkstart by \kvmarklength
|
||||
\savebox\kvsavebox(1,\kvmarklength){%
|
||||
\begin{picture}(1,\kvmarklength)
|
||||
\put(-0.3,0){\makebox(-0.7,\kvmarklength){\kvcontentsize\kvgetchar}}
|
||||
\put(-0.1,0){\line(-1,0){0.4}}
|
||||
\put(-0.1,\kvmarklength){\line(-1,0){0.4}}
|
||||
\put(-0.3,0){\line(0,1){\kvmarklength}}
|
||||
\end{picture}}
|
||||
\multiput(0,-\kvmarkstart)(0,-\kvmarkmove){\kvmarknum}{\usebox\kvsavebox}
|
||||
\end{picture}
|
||||
}
|
||||
%% \karnaughmakemarks calls \karnaughmaketopmark or \karnaughmakeleftmark
|
||||
%% depending on whether \kvvarno is odd or even.
|
||||
%%
|
||||
\def\karnaughmakemarks{%
|
||||
\ifnum\kvvarno>0
|
||||
\let\next=\karnaughmakemarks
|
||||
\ifodd\kvvarno % We have to make a mark at the top
|
||||
\advance\kvxvarno by -1
|
||||
\put(0,\kvxvarno){\karnaughmaketopmark}
|
||||
\else % We have to make a mark at the left
|
||||
\advance\kvyvarno by -1
|
||||
\put(-\kvyvarno,-\kvysize){\karnaughmakeleftmark}
|
||||
\fi
|
||||
\advance\kvvarno by -1
|
||||
\else
|
||||
\let\next=\relax
|
||||
\fi
|
||||
\next
|
||||
}
|
||||
%%
|
||||
%% \karnaughmap is the macro that a user calls if he wants to draw a
|
||||
%% Karnaugh map:
|
||||
%%
|
||||
\def\karnaughmap#1#2#3#4#5{%
|
||||
%%
|
||||
%% #1 is the number of variables in the Karnaugh map
|
||||
%% #2 is the identifier of the function
|
||||
%% #3 is the list of identifiers of those variables
|
||||
%% #4 is the list of tokens that have to be written into the map
|
||||
%% #5 is something that you want to draw inside the Karnaugh map
|
||||
%%
|
||||
\kvvarno=#1 % \kvvarno is the total number of variables
|
||||
\kvyvarno=#1 % \kvyvarno is the number of variable marks at the left
|
||||
\divide\kvyvarno by 2
|
||||
\kvxvarno=#1 % \kvxvarno is the number of variable marks on top
|
||||
\advance\kvxvarno by -\kvyvarno
|
||||
\kvxsize=1
|
||||
\kvpoweroftwo{\kvxsize}{\kvxvarno}
|
||||
\kvysize=1
|
||||
\kvpoweroftwo{\kvysize}{\kvyvarno}
|
||||
\advance\kvxsize by \kvyvarno
|
||||
\advance\kvxvarno by \kvysize
|
||||
\unitlength\kvunitlength
|
||||
\begin{picture}(\kvxsize,\kvxvarno)(-\kvyvarno,-\kvysize)
|
||||
\advance\kvxsize by -\kvyvarno
|
||||
\advance\kvxvarno by -\kvysize
|
||||
\put(0,-\kvysize){%
|
||||
\begin{picture}(\kvxsize,\kvysize)
|
||||
\multiput(0,0)(0,1){\kvysize}{\line(1,0){\kvxsize}}
|
||||
\multiput(0,0)(1,0){\kvxsize}{\line(0,1){\kvysize}}
|
||||
\put(0,\kvysize){\line(1,0){\kvxsize}}
|
||||
\put(\kvxsize,0){\line(0,1){\kvysize}}
|
||||
#5
|
||||
\end{picture}}
|
||||
\put(-\kvyvarno,0){\makebox(\kvyvarno,\kvxvarno){#2}}
|
||||
\kvindexcounter=0
|
||||
\kvargumentstring{#4}
|
||||
\put(0,-\kvysize){\karnaughmakemap{\kvysize}{0}}
|
||||
\ifodd\kvvarno
|
||||
{\divide\kvxsize by 2
|
||||
\put(\kvxsize,-\kvysize){\karnaughmakemap{\kvysize}{1}}}
|
||||
\fi
|
||||
\kvargumentstring{#3}
|
||||
\karnaughmakemarks
|
||||
%%
|
||||
\end{picture}
|
||||
}%
|
||||
%%
|
||||
%% The definition of \kvmap is necessary to maintain compatibility with older
|
||||
%% versions of this macro package:
|
||||
%%
|
||||
\def\kvmap{\karnaughmap}%
|
||||
%%
|
||||
%%
|
||||
%% The Macro \veitchmakechart calls itself recursively until the parameter #1
|
||||
%% equals 1, whereupon it returns a single token from the list of arguments,
|
||||
%% enclosed in a \makebox plus the index (if enabled) in a smaller \makebox:
|
||||
%%
|
||||
\def\veitchmakechart#1{{%
|
||||
\kvrecursiondepth=\number#1
|
||||
\ifnum\kvrecursiondepth>1
|
||||
\divide\kvrecursiondepth by 2
|
||||
\unitlength=\kvunitlength
|
||||
\multiply\unitlength by \kvrecursiondepth
|
||||
%%
|
||||
\begin{picture}(2,2)%
|
||||
\put(0,1){\veitchmakechart{\kvrecursiondepth}}%
|
||||
\put(1,1){\veitchmakechart{\kvrecursiondepth}}%
|
||||
\put(0,0){\veitchmakechart{\kvrecursiondepth}}%
|
||||
\put(1,0){\veitchmakechart{\kvrecursiondepth}}%
|
||||
\end{picture}%
|
||||
\else
|
||||
\unitlength=\kvunitlength
|
||||
\begin{picture}(1,1)
|
||||
\put(0,0){\makebox(1,1){\kvcontentsize\kvgetchar}}%
|
||||
\put(0.05,0.05){\makebox(0.9,0.9)[bl]{\kvindexsize\kvcurrentindex}}%
|
||||
\end{picture}
|
||||
\fi}}%
|
||||
%%
|
||||
\def\veitchmaketopmark{%
|
||||
\unitlength\kvunitlength
|
||||
\begin{picture}(\kvxsize,1)
|
||||
\kvmarkstart=1
|
||||
\kvpoweroftwo{\kvmarkstart}{\kvxvarno} % \kvymarkstart is the start
|
||||
% position for the \multiput
|
||||
\kvmarklength=\kvmarkstart % \kvmarklength is the length of a mark
|
||||
\kvmarkmove=\kvmarkstart
|
||||
\multiply\kvmarkmove by 2 % This is the move distance for the \multiput.
|
||||
\kvmarknum=\kvxsize
|
||||
\divide\kvmarknum by \kvmarkmove % This is the number of repetitions for
|
||||
% the \multiput.
|
||||
\savebox\kvsavebox(\kvmarklength,1){%
|
||||
\begin{picture}(\kvmarklength,1)
|
||||
\put(0,0.3){\makebox(\kvmarklength,0.7){\kvcontentsize\kvgetchar}}
|
||||
\put(0,0.1){\line(0,1){0.4}}
|
||||
\put(\kvmarklength,0.1){\line(0,1){0.4}}
|
||||
\put(0,0.3){\line(1,0){\kvmarklength}}
|
||||
\end{picture}}
|
||||
\multiput(\kvmarkstart,0)(\kvmarkmove,0){\kvmarknum}{\usebox\kvsavebox}
|
||||
\end{picture}
|
||||
}
|
||||
%%
|
||||
\def\veitchmakeleftmark{%
|
||||
\unitlength\kvunitlength
|
||||
\begin{picture}(-1,\kvysize)(0,-\kvysize)
|
||||
\kvmarkstart=1
|
||||
\kvpoweroftwo{\kvmarkstart}{\kvyvarno} % \kvmarkstart is the start
|
||||
% position for the \multiput
|
||||
\kvmarklength=\kvmarkstart
|
||||
\kvmarkmove=\kvmarkstart
|
||||
\multiply\kvmarkmove by 2 % This now is the move distance for the \multiput.
|
||||
\kvmarknum=\kvysize
|
||||
\divide\kvmarknum by \kvmarkmove % This now is the number of
|
||||
% repetitions for the \multiput.
|
||||
\advance\kvmarkstart by \kvmarklength
|
||||
\savebox\kvsavebox(1,\kvmarklength){%
|
||||
\begin{picture}(1,\kvmarklength)
|
||||
\put(-0.3,0){\makebox(-0.7,\kvmarklength){\kvcontentsize\kvgetchar}}
|
||||
\put(-0.1,0){\line(-1,0){0.4}}
|
||||
\put(-0.1,\kvmarklength){\line(-1,0){0.4}}
|
||||
\put(-0.3,0){\line(0,1){\kvmarklength}}
|
||||
\end{picture}}
|
||||
\multiput(0,-\kvmarkstart)(0,-\kvmarkmove){\kvmarknum}{\usebox\kvsavebox}
|
||||
\end{picture}
|
||||
}
|
||||
%%
|
||||
\def\veitchmakemarks{%
|
||||
\ifnum\kvvarno>0
|
||||
\let\next=\veitchmakemarks
|
||||
\ifodd\kvvarno % We have to make a mark at the top
|
||||
\advance\kvxvarno by -1
|
||||
\put(0,\kvxvarno){\veitchmaketopmark}
|
||||
\else % We have to make a mark at the left
|
||||
\advance\kvyvarno by -1
|
||||
\put(-\kvyvarno,-\kvysize){\veitchmakeleftmark}
|
||||
\fi
|
||||
\advance\kvvarno by -1
|
||||
\else
|
||||
\let\next=\relax
|
||||
\fi
|
||||
\next
|
||||
}
|
||||
%%
|
||||
\def\veitchchart#1#2#3#4#5{%
|
||||
%%
|
||||
%% #1 is the number of variables in the Veitch chart
|
||||
%% #2 is the identifier of the function
|
||||
%% #3 is the list of identifiers of those variables
|
||||
%% #4 is the list of tokens that have to be written into the chart
|
||||
%% #5 is something that you want to draw inside the Veitch chart
|
||||
%%
|
||||
\kvvarno=#1 % \kvvarno is the total number of variables
|
||||
\kvyvarno=#1 % \kvyvarno is the number of variable marks at the left
|
||||
\divide\kvyvarno by 2
|
||||
\kvxvarno=#1 % \kvxvarno is the number of variable marks on top
|
||||
\advance\kvxvarno by -\kvyvarno
|
||||
\kvxsize=1
|
||||
\kvpoweroftwo{\kvxsize}{\kvxvarno}
|
||||
\kvysize=1
|
||||
\kvpoweroftwo{\kvysize}{\kvyvarno}
|
||||
\advance\kvxsize by \kvyvarno
|
||||
\advance\kvxvarno by \kvysize
|
||||
\unitlength\kvunitlength
|
||||
\begin{picture}(\kvxsize,\kvxvarno)(-\kvyvarno,-\kvysize)
|
||||
\advance\kvxsize by -\kvyvarno
|
||||
\advance\kvxvarno by -\kvysize
|
||||
\put(0,-\kvysize){%
|
||||
\begin{picture}(\kvxsize,\kvysize)
|
||||
\multiput(0,0)(0,1){\kvysize}{\line(1,0){\kvxsize}}
|
||||
\multiput(0,0)(1,0){\kvxsize}{\line(0,1){\kvysize}}
|
||||
\put(0,\kvysize){\line(1,0){\kvxsize}}
|
||||
\put(\kvxsize,0){\line(0,1){\kvysize}}
|
||||
#5
|
||||
\end{picture}}
|
||||
\put(-\kvyvarno,0){\makebox(\kvyvarno,\kvxvarno){#2}}
|
||||
\kvindexcounter=0
|
||||
\kvargumentstring{#4}
|
||||
\put(0,-\kvysize){\veitchmakechart{\kvysize}}
|
||||
\ifodd\kvvarno
|
||||
{\divide\kvxsize by 2
|
||||
\put(\kvxsize,-\kvysize){\veitchmakechart{\kvysize}}}
|
||||
\fi
|
||||
\kvargumentstring{#3}
|
||||
\veitchmakemarks
|
||||
%%
|
||||
\end{picture}
|
||||
}%
|
||||
%%
|
||||
|
||||
%%% Local Variables:
|
||||
%%% mode: latex
|
||||
%%% TeX-master: t
|
||||
%%% End:
|
Loading…
Reference in a new issue