summaryrefslogtreecommitdiff
path: root/info/examples/tip/doloop.tip
diff options
context:
space:
mode:
Diffstat (limited to 'info/examples/tip/doloop.tip')
-rw-r--r--info/examples/tip/doloop.tip86
1 files changed, 0 insertions, 86 deletions
diff --git a/info/examples/tip/doloop.tip b/info/examples/tip/doloop.tip
deleted file mode 100644
index b15b23cf8f..0000000000
--- a/info/examples/tip/doloop.tip
+++ /dev/null
@@ -1,86 +0,0 @@
-% This macro source file is from the four volume series
-% "TeX in Practice" by Stephan von Bechtolsheim, published
-% 1993 by Springer-Verlag, New York.
-% Copyright 1993 Stephan von Bechtolsheim.
-% No warranty or liability is assumed.
-% This macro may be copied freely if no fees other than
-% media cost or shipping charges are charged and as long
-% as this copyright and the following source code itself
-% is not changed. Please see the series for further information.
-%
-% Version: 1.0
-% Date: May 1, 1993
-%
-%
-% This source code is documented in 27.1.8, p. III-412.
-% Original source in file "macros7.TEX", starting line 768.
-\wlog{L: "doloop.tip" ["macros7.TEX," l. 768, p. III-412]}%
-% This file DOES belong to format "texip."
-\catcode`\@ = 11
-\newcount\@DoLoopNesting
-\@DoLoopNesting = 0
-\newcount\@DoLoopLimit
-\newcount\@DoLoopLimitTwo
-\newcount\@DoLoopLimitThree
-\def\DoLoop #1#2#3#4#5{%
- \global\advance\@DoLoopNesting by 1
- \ifnum\@DoLoopNesting > 3
- \errmessage{\string\DoLoop: nesting beyond three levels
- is not supported.}%
- \fi
- \ifnum #3 = 0
- \errmessage{\string\DoLoop: step value (parameter 3) is 0!}%
- \else
- \ifcase\@DoLoopNesting
- \or
- \@DoLoop{#1}{#2}{#3}{#4}{#5}%
- {\@DoLoopLimit}{\DoLoopBody}%
- \or
- \@DoLoop{#1}{#2}{#3}{#4}{#5}%
- {\@DoLoopLimitTwo}{\DoLoopBodyTwo}%
- \or
- \@DoLoop{#1}{#2}{#3}{#4}{#5}%
- {\@DoLoopLimitThree}{\DoLoopBodyThree}%
- \fi
- \fi
- \global\advance\@DoLoopNesting by -1
-}
-\def\@DoLoop #1#2#3#4#5#6#7{%
- \ifnum #3 > 0
- #6 = #4%
- \advance#6 by 1
- #1 = #2%
- \@DoLoopBodyPositive{#1}{#3}{#5}%
- {#6}{#7}%
- \else
- #6 = #4%
- \advance#6 by -1
- #1 = #2%
- \@DoLoopBodyNegative{#1}{#3}{#5}%
- {#6}{#7}%
- \fi
- \@DoLoopIterate{#7}%
-}
-\def\@DoLoopBodyPositive #1#2#3#4#5{%
- \def #5{%
- \ifnum #1 < #4\relax
- #3%
- \advance #1 by #2%
- }%
-}
-\def\@DoLoopBodyNegative #1#2#3#4#5{%
- \def #5{%
- \ifnum #1 > #4\relax
- #3%
- \advance #1 by #2%
- }%
-}
-\def\@DoLoopIterate #1{%
- #1\relax
- \def\@DoLoopNext{\@DoLoopIterate{#1}}%
- \else
- \def\@DoLoopNext{\relax}%
- \fi
- \@DoLoopNext
-}
-\catcode`\@ = 12