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Diffstat (limited to 'info/examples/tex-in-practice/weekofyr.tip')
-rw-r--r-- | info/examples/tex-in-practice/weekofyr.tip | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/info/examples/tex-in-practice/weekofyr.tip b/info/examples/tex-in-practice/weekofyr.tip new file mode 100644 index 0000000000..071eb36e35 --- /dev/null +++ b/info/examples/tex-in-practice/weekofyr.tip @@ -0,0 +1,63 @@ +% 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: 1.1 +% Date: Sep 9, 1993 +% +% +% This source code is documented in 26.22, p. III-392. +% Original source in file "macros6.TEX", starting line 1641. +\wlog{L: "weekofyr.tip" ["macros6.TEX," l. 1641, p. III-392]}% +% This file DOES belong to format "texip." +\InputD{doloop.tip} +\InputD{dateofw.tip} +\InputD{arbday.tip} +\InputD{prevday.tip} +\InputD{mondofda.tip} +\InputD{norpweek.tip} +\catcode`\@ = 11 +\newcount\@WeekOfYearCounter +\newcount\@WeekOfYearYear +\newcount\@WeekOfYearMonth +\newcount\@WeekOfYearDay +\newcount\@WeekOfYearCopy +\def\WeekOfYear #1#2#3#4{% + \@WeekOfYearCopy = #1\relax + \ComputeMondayOfDate{#1}{#2}{#3}% + {\@WeekOfYearYear}{\@WeekOfYearMonth}{\@WeekOfYearDay}% + \def\@WeekOfYearCounter{#4}% + \@WeekOfYearCounter = 1 + \@WeekOfYear +} +\newif\if@YearStop +\def\@WeekOfYear{% + \@YearStopfalse + \ifnum\@WeekOfYearCopy > \@WeekOfYearYear + \@YearStoptrue + \else + \ifnum\@WeekOfYearMonth = 1 + \ifnum\@WeekOfYearDay = 1 + \@YearStoptrue + \fi + \fi + \fi + \if@YearStop + \def\@WeekOfYearNext{\relax}% + \else + \def\@WeekOfYearNext{\@WeekOfYear}% + \expandafter\advance\@WeekOfYearCounter by 1 + \PrevWeekSameDay{\@WeekOfYearYear}{\@WeekOfYearMonth}% + {\@WeekOfYearDay}% + {\@WeekOfYearYear}{\@WeekOfYearMonth}% + {\@WeekOfYearDay}% + \fi + \@WeekOfYearNext +} +\catcode`\@ = 12 |