/usr/share/texmf-texlive/tex/generic/multido/multido.tex is in texlive-generic-recommended 2009-15.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 | %% BEGIN multido.tex
%%
\def\fileversion{1.41}
\def\filedate{2004/05/18}
%%
%% COPYRIGHT 1993, 1994, 1999 by Timothy Van Zandt, tvz@nwu.edu.
%% Version 1.41 (2004) prepared by Rolf Niepraschk <Rolf.Niepraschk@ptb.de>
%% Herbert Voss <voss@perce.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.
%%
%% DESCRIPTION:
%% multido.tex/multido.sty contains a loop macro, \multido, that supports
%% fixed-point addition and has a nice interface. Among other things, it
%% is useful for pictures and putting numbers on axes. multido.tex
%% is compatible with most TeX macro packages, including Plain TeX, LaTeX,
%% AmSTeX, and Ams-LaTeX.
%%
%% INSTALLATION:
%% Put this file where your TeX looks for inputs, under the name multido.tex.
%% Use the file multido.sty with LaTeX.
%%
%% DOCUMENTATION:
%% See multido.doc.
%%
%% COPYING:
%% Copying of part or all of this file is allowed under the following
%% conditions only:
%% (1) You may freely distribute unchanged copies of the file. Please
%% include the documentation when you do so.
%% (2) You may modify a renamed copy of the file, but only for personal
%% use or use within an organization.
%% (3) You may copy fragments from the file, for personal use or for
%% distribution, as long as credit is given where credit is due.
%%
%% You are NOT ALLOWED to take money for the distribution or use of
%% this file or modified versions or fragments thereof, except for
%% a nominal charge for copying etc.
%%
%% CODE:
% These macros use TeX primitives, plus the Plain TeX commands:
% \dimen@, \dimen@i, \count@, \newcount, \newtoks, \@ne, \tw@, \@z@.
%
% Check if file is loaded, announce file on terminal, and take care of @:
%
\message{ v\fileversion, \filedate\space <tvz>}
\csname MultidoLoaded\endcsname
\let\MultidoLoaded\endinput
\edef\TheAtCode{\the\catcode`\@}
\catcode`\@=11
% These are some useful hacks. "\multido@dimtonum" strips the value of "#1",
% a dimension register, of the "pt", and assigns the result to "#2",
% a command sequence.
\def\@empty{}
\def\@nnil{\@nil}
\def\multido@dimtonum#1#2{\edef#2{\multido@@dimtonum#1}}
\def\multido@@dimtonum#1{\expandafter\multido@@@dimtonum\the#1}
\edef\next{%
\noexpand\def\noexpand\multido@@@dimtonum##1\string p\string t{##1}}
\next
% "\multido@count" stores the number of repetitions. "\multidocount" keeps
% track of the iteration. These are also used locally as scratch counters
% by "\FPadd@". "\multido@stuff" is used to store the <stuff> that is
% to be repeated.
\newcount\multido@count
\newcount\multidocount
\newtoks\multido@stuff
\def\multido{\multido@{}{\begingroup}{\endgroup}}
\def\mmultido{\multido@{\multido@stepvar}{\begingroup}{\endgroup}}
\def\Multido{\multido@{}{}{}}
\def\MMultido{\multido@{\multido@stepvar}{}{}}
% "\multido@initvar" processes the variable declarations, initializing
% the value of the variables and defining "\multido@stepvar" to increment
% the variables with each repetition. "\multido@count" is set to the number
% of repetitions.
\long\def\multido@#1#2#3#4#5#6{%
#2%
\multido@count=#5\relax
\ifnum\multido@count=\z@\else\multido@@{#1}{#4}{#6}\fi
#3%
\ignorespaces}
\def\multido@@#1#2#3{%
\def\multido@stepvar{}%
\def\do{\noexpand\do\noexpand}%
\multido@initvar#2,\@nil,%
\let\do\noexpand
\edef\multido@stepvar{\multido@stepvar}%
\ifnum\multido@count<\z@\multido@count=-\multido@count\fi
\multidocount=1\relax
#1%
\multido@stuff{#3}%
\multido@loop}
\def\multido@loop{%
\the\multido@stuff
\ifnum\multidocount<\multido@count
\advance\multidocount\@ne
\multido@stepvar
\expandafter\multido@loop
\fi}
\def\multidostop{\multidocount=\multido@count}
\def\multido@badvar{%
\multido@count=0
\errhelp{\multido command will be skipped.}%
\errmessage{Bad \string\multido\space variable declaration}}
\def\multido@initvar#1,{%
\def\multido@temp{#1}%
\ifx\multido@temp\@nnil\else
\ifx\multido@temp\@empty\else
\multido@@initvar#1\@nil=+\@nil\relax
\fi
\expandafter\multido@initvar
\fi}
\def\multido@@initvar#1=#2+#3\@nil#4\relax{%
\ifx\@empty#4\@empty
\multido@badvar
\else
\multido@vartype#1\@empty
\ifx\multido@temp\relax
\multido@badvar
\else
\multido@temp{#2}{#3}#1%
\fi
\fi}
\def\multido@vartype#1{%
\ifcat\noexpand\@nil\noexpand#1%
\expandafter\multido@@vartype\string#1\@nil
\else
\let\multido@temp\relax
\fi}
\def\multido@@vartype#1#2#3\@nil{%
\expandafter\let\expandafter\multido@temp
\csname multido@init@#2\endcsname}
\def\MultidoCheckNames{%
\let\multido@@@vartype\multido@vartype
\def\multido@vartype##1{%
\ifx\undefined##1%
\multido@@@vartype{##1}%
\else
\errhelp{\multido command will be skipped.}%
\errmessage{Multido variable \string##1 already defined}%
\let\multido@temp\relax
\fi}}
% For each variable type, we must now define \multido@init<vartype>.
% The syntax of these macros is:
%
% \multido@init@<vartype>{initial value}{increment}{variable}
%
% and the outcome should be:
%
% 1. Set <variable> to the initial value.
% 2. Invoke \multido@addtostep{step stuff}, where <step stuff> is
% whatever should be done to increment the variable. <step stuff> is
% expanded first, with expansion suppressed by "\do".
\def\multido@addtostep#1{\edef\multido@stepvar{\multido@stepvar#1}}
% Variable type for dimensions ("d", "D"):
\def\multido@init@d#1#2#3{%
\expandafter\ifx\csname pssetlength\endcsname\relax
\dimen@=#1\relax\dimen@i=#2\relax
\else
\pssetlength\dimen@{#1}\pssetlength\dimen@i{#2}%
\fi
\edef#3{\number\dimen@ sp}%
\ifnum\multido@count<\z@\dimen@i=-\dimen@i\fi
\multido@addtostep{\do\multido@step@d{\do#3}{\number\dimen@i sp}}}
\def\multido@step@d#1#2{%
\dimen@=#1\advance\dimen@#2
\edef#1{\number\dimen@ sp}}%
\def\multido@init@D{\multido@init@d}
% Variable type for integers ("i", "I"):
\def\multido@init@i#1#2#3{%
\count@=#1\relax
\edef#3{\the\count@}%
\count@=#2\relax
\ifnum\multido@count<\z@\count@=-\count@\fi
\multido@addtostep{\do\multido@step@i{\do#3}{\the\count@}}}
\def\multido@step@i#1#2{%
\count@=#1\advance\count@ by #2
\edef#1{\the\count@}}
\def\multido@init@I{\multido@init@i}
% Variable type for reals ("r", "R").
\def\multido@init@r#1#2#3{%
\dimen@=#1pt
\multido@dimtonum\dimen@#3%
\dimen@=#2pt
\ifnum\multido@count<\z@\dimen@=-\dimen@\fi
\multido@addtostep{\do\multido@step@r{\do#3}{\number\dimen@ sp}}}
\def\multido@step@r#1#2{%
\dimen@=#1pt\advance\dimen@#2
\multido@dimtonum\dimen@#1}
\def\multido@init@R{\multido@init@r}
% Variable type for numbers ("n", "N").
\def\multido@init@n#1#2#3{%
\edef#3{#1}%
\ifnum\multido@count<\z@\expandafter\fpSub\else\expandafter\fpAdd\fi
{0}{#2}\multido@temp
\multido@addtostep{\do\fpAdd{\do#3}{\multido@temp}{\do#3}}}
\def\multido@init@N{\multido@init@n}
% Simple fixed-point addition couldn't be harder.
% "\dimen@" and "\dimen@i" are used as scratch {\em counters} (to avoid
% creating a new counter). "\count@", "\multido@count" and "\multidocount"
% are also used as scratch counters.
% This is probably pretty close to optimal, given the requirements that
% leading and trailing spaces be OK in the arguments, and that there need
% not be any numbers to the left of the decimal.
% RN modification begin -- 2004/05/17; Rolf.Niepraschk@ptb.de
% \def\FPadd#1#2#3{%
% \edef\multido@temp{#1..\noexpand\@nil#2}%
% \expandafter\FPadd@\multido@temp..\@nil
% \let#3\multido@temp}
% \def\FPsub#1#2{%
% \edef\multido@temp{\noexpand\FPsub@#2\noexpand\@empty}%
% \FPadd{#1}{\multido@temp}}
\def\fpAdd#1#2#3{%
\edef\multido@temp{#1..\noexpand\@nil#2}%
\expandafter\FPadd@\multido@temp..\@nil
\let#3\multido@temp}
\def\fpSub#1#2{%
\edef\multido@temp{\noexpand\FPsub@#2\noexpand\@empty}%
\fpAdd{#1}{\multido@temp}}
\ifx\FPadd\undefined\let\FPadd\fpAdd\let\FPsub\fpSub\fi
% RN modification end
\def\FPsub@#1{\ifx-#1\else-#1\fi}
\def\FPadd@#1.#2.#3\@nil#4.#5.#6\@nil{%
\begingroup
\def\multido@temp{\let\next\relax}%
\let\next\z@
\afterassignment\multido@temp\count@=#1\next
\dimen@i=0#2sp\relax
\let\next\z@
\afterassignment\multido@temp\multido@count=#4\next
\multidocount=0#5\relax
\dimen@=\number\count@ sp
\count@=\@ne
\FPadd@@@#500000000\@nil
\ifnum#11<\z@
\count@=-\tw@
\dimen@=-\dimen@
\fi
\ifnum#41<\z@
\count@=-\count@
\multido@count=-\multido@count
\fi
\ifnum\count@>\z@
\advance\multido@count\dimen@
\advance\multidocount\dimen@i
\ifnum\multidocount<\multido@temp\relax
\advance\multidocount\multido@temp\relax
\else
\advance\multido@count\@ne
\fi
\advance\count@-3
\else
\advance\multido@count-\dimen@
\advance\multidocount-\dimen@i
\ifnum\multido@count<\z@
\multido@count=-\multido@count
\multidocount=-\multidocount
\advance\count@\@ne
\else
\ifnum\multido@count=\z@
\ifnum\multidocount<\z@
\multidocount=-\multidocount
\advance\count@\@ne
\fi
\fi
\fi
\ifnum\multidocount<\z@
\advance\multidocount\multido@temp
\advance\multido@count-\@ne
\fi
\advance\multidocount\multido@temp\relax
\fi
\expandafter\FPadd@@\the\multidocount\@empty\@nil
\endgroup}
\def\FPadd@@#1#2#3\@nil{\xdef\multido@temp{%
\ifnum\count@=-1-\fi
\the\multido@count\ifx#2\@empty\else.#2#3\fi}}
\def\FPadd@@@#1#2#3#4#5#6#7#8#9\@nil{\def\multido@temp{1#9}}
\catcode`\@=\TheAtCode\relax
\endinput
%%
%% END multido.tex
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