path: root/Master/texmf-dist/tex/generic/babel/hebcal.sty

%%
%% This is file `hebcal.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% hebrew.dtx  (with options: `calendar')
%% 
%% This is a generated file.
%% 
%% Copyright 1997-2004 Boris Lavva and any individual authors
%% listed elsewhere in this file. All rights reserved.
%% 
%% This is a generated file.
%% 
%% Copyright 1989-2005 Johannes L. Braams and any individual authors
%% listed elsewhere in this file.  All rights reserved.
%% 
%% This file was generated from file(s) of the Babel system.
%% ---------------------------------------------------------
%% 
%% It may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%%   http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of LaTeX
%% version 2003/12/01 or later.
%% 
%% This work has the LPPL maintenance status "maintained".
%% 
%% The Current Maintainer of this work is Johannes Braams.
%% 
%% This file may only be distributed together with a copy of the Babel
%% system. You may however distribute the Babel system without
%% such generated files.
%% 
%% The list of all files belonging to the Babel distribution is
%% given in the file `manifest.bbl'. See also `legal.bbl for additional
%% information.
%% 
%% The list of derived (unpacked) files belonging to the distribution
%% and covered by LPPL is defined by the unpacking scripts (with
%% extension .ins) which are part of the distribution.
%% Hebrew language definition and additional packages.
%% Copyright (C) 1997 -- 2005 Boris Lavva.
%% Babel package for LaTeX version 2e
%% Copyright (C) 1989 -- 2005 by Johannes Braams,
%%                            TeXniek
%%                            All rights reserved.
%% TeX & LaTeX macros for computing Hebrew date from Gregorian one
%% Copyright (C) 1991 by Michail Rozman, misha@iop.tartu.ew.su
%%
\ProvidesPackage{hebcal}
        [2005/03/30 v2.3h %
         Hebrew calendar
    Hebrew language support from the babel system]
\newif\if@full@hebrew@year
\@full@hebrew@yearfalse
\DeclareOption{full}{\@full@hebrew@yeartrue}
\ProcessOptions
\newcount\Hebrewday  \newcount\Hebrewmonth   \newcount\Hebrewyear
\def\Hebrewdate#1#2#3{%
    \HebrewFromGregorian{#1}{#2}{#3}
                        {\Hebrewday}{\Hebrewmonth}{\Hebrewyear}%
    \ifundefined{if@rl}%
       \FormatForEnglish{\Hebrewday}{\Hebrewmonth}{\Hebrewyear}%
    \else%
       \FormatDate{\Hebrewday}{\Hebrewmonth}{\Hebrewyear}%
    \fi}
\def\Hebrewtoday{\Hebrewdate{\day}{\month}{\year}}
\let\hebrewtoday=\Hebrewtoday
\def\Hebrewsetreg{%
    \HebrewFromGregorian{\day}{\month}{\year}
                        {\Hebrewday}{\Hebrewmonth}{\Hebrewyear}}
\def\FormatDate#1#2#3{%
        \if@rl%
            \FormatForHebrew{#1}{#2}{#3}%
        \else%
            \FormatForEnglish{#1}{#2}{#3}
        \fi}
\def\HebrewYearName#1{{%
   \@tempcnta=#1\divide\@tempcnta by 1000\multiply\@tempcnta by 1000
   \ifnum#1=\@tempcnta\relax % divisible by 1000: disambiguate
     \Hebrewnumeralfinal{#1}\ )\heblamed\hebpe"\hebgimel(%
   \else % not divisible by 1000
     \ifnum#1<1000\relax     % first millennium: disambiguate
       \Hebrewnumeralfinal{#1}\ )\heblamed\hebpe"\hebgimel(%
     \else
       \ifnum#1<5000
         \Hebrewnumeralfinal{#1}%
       \else
         \ifnum#1<6000 % current millenium, print without thousands
           \@tempcnta=#1\relax
           \if@full@hebrew@year\else\advance\@tempcnta by -5000\fi
           \Hebrewnumeralfinal{\@tempcnta}%
         \else % #1>6000
           \Hebrewnumeralfinal{#1}%
         \fi
       \fi
     \fi
   \fi}}
\def\HebrewMonthName#1#2{%
    \ifnum #1 = 7 %
    \CheckLeapHebrewYear{#2}%
        \if@HebrewLeap \hebalef\hebdalet\hebresh\ \hebbet'%
           \else \hebalef\hebdalet\hebresh%
        \fi%
    \else%
        \ifcase#1%
           % nothing for 0
           \or\hebtav\hebshin\hebresh\hebyod%
           \or\hebhet\hebshin\hebvav\hebfinalnun%
           \or\hebkaf\hebsamekh\heblamed\hebvav%
           \or\hebtet\hebbet\hebtav%
           \or\hebshin\hebbet\hebtet%
           \or\hebalef\hebdalet\hebresh\ \hebalef'%
           \or\hebalef\hebdalet\hebresh\ \hebbet'%
           \or\hebnun\hebyod\hebsamekh\hebfinalnun%
           \or\hebalef\hebyod\hebyod\hebresh%
           \or\hebsamekh\hebyod\hebvav\hebfinalnun%
           \or\hebtav\hebmem\hebvav\hebzayin%
           \or\hebalef\hebbet%
           \or\hebalef\heblamed\hebvav\heblamed%
        \fi%
    \fi}
\def\HebrewDayName#1{\Hebrewnumeral{#1}}
\def\FormatForHebrew#1#2#3{%
  \HebrewDayName{#1}~\hebbet\HebrewMonthName{#2}{#3},~%
  \HebrewYearName{#3}}
\def\HebrewMonthNameInEnglish#1#2{%
    \ifnum #1 = 7%
    \CheckLeapHebrewYear{#2}%
        \if@HebrewLeap Adar II\else Adar\fi%
    \else%
        \ifcase #1%
            % nothing for 0
            \or Tishrei%
            \or Heshvan%
            \or Kislev%
            \or Tebeth%
            \or Shebat%
            \or Adar I%
            \or Adar II%
            \or Nisan%
            \or Iyar%
            \or Sivan%
            \or Tammuz%
            \or Av%
            \or Elul%
        \fi
    \fi}
\def\FormatForEnglish#1#2#3{%
    \HebrewMonthNameInEnglish{#2}{#3} \number#1,\ \number#3}
\newcount\@common
\def\Remainder#1#2#3{%
    #3 = #1%                   %  c = a
    \divide #3 by #2%          %  c = a/b
    \multiply #3 by -#2%       %  c = -b(a/b)
    \advance #3 by #1}%        %  c = a - b(a/b)
\newif\if@Divisible
\def\CheckIfDivisible#1#2{%
    {%
      \countdef\tmp = 0% \tmp == \count0 - temporary variable
      \Remainder{#1}{#2}{\tmp}%
      \ifnum \tmp = 0%
          \global\@Divisibletrue%
      \else%
          \global\@Divisiblefalse%
      \fi}}
\def\ifundefined#1{\expandafter\ifx\csname#1\endcsname\relax}
\newif\if@GregorianLeap
\def\IfGregorianLeap#1{%
    \CheckIfDivisible{#1}{4}%
    \if@Divisible%
        \CheckIfDivisible{#1}{100}%
        \if@Divisible%
            \CheckIfDivisible{#1}{400}%
            \if@Divisible%
                \@GregorianLeaptrue%
            \else%
                \@GregorianLeapfalse%
            \fi%
        \else%
            \@GregorianLeaptrue%
        \fi%
    \else%
        \@GregorianLeapfalse%
    \fi%
    \if@GregorianLeap}
\def\GregorianDaysInPriorMonths#1#2#3{%
    {%
        #3 = \ifcase #1%
               0 \or%             % no month number 0
               0 \or%
              31 \or%
              59 \or%
              90 \or%
             120 \or%
             151 \or%
             181 \or%
             212 \or%
             243 \or%
             273 \or%
             304 \or%
             334%
        \fi%
        \IfGregorianLeap{#2}%
            \ifnum #1 > 2%        % if month after February
                \advance #3 by 1% % add leap day
            \fi%
        \fi%
        \global\@common = #3}%
    #3 = \@common}
\def\GregorianDaysInPriorYears#1#2{%
     {%
         \countdef\tmpc = 4%      % \tmpc==\count4
         \countdef\tmpb = 2%      % \tmpb==\count2
         \tmpb = #1%              %
         \advance \tmpb by -1%    %
         \tmpc = \tmpb%           % \tmpc = \tmpb = year-1
         \multiply \tmpc by 365%  % Days in prior years =
         #2 = \tmpc%              % = 365*(year-1) ...
         \tmpc = \tmpb%           %
         \divide \tmpc by 4%      % \tmpc = (year-1)/4
         \advance #2 by \tmpc%    % ... plus Julian leap days ...
         \tmpc = \tmpb%           %
         \divide \tmpc by 100%    % \tmpc = (year-1)/100
         \advance #2 by -\tmpc%   % ... minus century years ...
         \tmpc = \tmpb%           %
         \divide \tmpc by 400%    % \tmpc = (year-1)/400
         \advance #2 by \tmpc%    % ... plus 4-century years.
         \global\@common = #2}%
    #2 = \@common}
\def\AbsoluteFromGregorian#1#2#3#4{%
    {%
        \countdef\tmpd = 0%       % \tmpd==\count0
        #4 = #1%                  % days so far this month
        \GregorianDaysInPriorMonths{#2}{#3}{\tmpd}%
        \advance #4 by \tmpd%     % add days in prior months
        \GregorianDaysInPriorYears{#3}{\tmpd}%
        \advance #4 by \tmpd%     % add days in prior years
        \global\@common = #4}%
    #4 = \@common}
\newif\if@HebrewLeap
\def\CheckLeapHebrewYear#1{%
    {%
        \countdef\tmpa = 0%       % \tmpa==\count0
        \countdef\tmpb = 1%       % \tmpb==\count1
        \tmpa = #1%
        \multiply \tmpa by 7%
        \advance \tmpa by 1%
        \Remainder{\tmpa}{19}{\tmpb}%
        \ifnum \tmpb < 7%         % \tmpb = (7*year+1)%19
            \global\@HebrewLeaptrue%
        \else%
            \global\@HebrewLeapfalse%
        \fi}}
\def\HebrewElapsedMonths#1#2{%
    {%
        \countdef\tmpa = 0%       % \tmpa==\count0
        \countdef\tmpb = 1%       % \tmpb==\count1
        \countdef\tmpc = 2%       % \tmpc==\count2
        \tmpa = #1%               %
        \advance \tmpa by -1%     %
        #2 = \tmpa%               % #2 = \tmpa = year-1
        \divide #2 by 19%         % Number of complete Meton cycles
        \multiply #2 by 235%      % #2 = 235*((year-1)/19)
        \Remainder{\tmpa}{19}{\tmpb}% \tmpa = years%19-years this cycle
        \tmpc = \tmpb%            %
        \multiply \tmpb by 12%    %
        \advance #2 by \tmpb%     % add regular months this cycle
        \multiply \tmpc by 7%     %
        \advance \tmpc by 1%      %
        \divide \tmpc by 19%      % \tmpc = (1+7*((year-1)%19))/19 -
        \advance #2 by \tmpc%     %  add leap months
        \global\@common = #2}%
    #2 = \@common}
\def\HebrewElapsedDays#1#2{%
    {%
        \countdef\tmpa = 0%       % \tmpa==\count0
        \countdef\tmpb = 1%       % \tmpb==\count1
        \countdef\tmpc = 2%       % \tmpc==\count2
        \HebrewElapsedMonths{#1}{#2}%
        \tmpa = #2%               %
        \multiply \tmpa by 13753% %
        \advance \tmpa by 5604%   % \tmpa=MonthsElapsed*13758 + 5604
        \Remainder{\tmpa}{25920}{\tmpc}% \tmpc == ConjunctionParts
        \divide \tmpa by 25920%
        \multiply #2 by 29%
        \advance #2 by 1%
        \advance #2 by \tmpa%     %  #2 = 1 + MonthsElapsed*29 +
        \Remainder{#2}{7}{\tmpa}% %  \tmpa == DayOfWeek
        \ifnum \tmpc < 19440%
            \ifnum \tmpc < 9924%
            \else%                % New moon at 9 h. 204 p. or later
                \ifnum \tmpa = 2% % on Tuesday ...
                    \CheckLeapHebrewYear{#1}% of a common year
                    \if@HebrewLeap%
                    \else%
                        \advance #2 by 1%
                    \fi%
                \fi%
            \fi%
            \ifnum \tmpc < 16789%
            \else%                 % New moon at 15 h. 589 p. or later
                \ifnum \tmpa = 1%  % on Monday ...
                    \advance #1 by -1%
                    \CheckLeapHebrewYear{#1}% at the end of leap year
                    \if@HebrewLeap%
                        \advance #2 by 1%
                    \fi%
                \fi%
            \fi%
        \else%
            \advance #2 by 1%      %  new moon at or after midday
        \fi%
        \Remainder{#2}{7}{\tmpa}%  %  \tmpa == DayOfWeek
        \ifnum \tmpa = 0%          %  if Sunday ...
            \advance #2 by 1%
        \else%                     %
            \ifnum \tmpa = 3%      %  Wednesday ...
                \advance #2 by 1%
            \else%
                \ifnum \tmpa = 5%  %  or Friday
                     \advance #2 by 1%
                \fi%
            \fi%
        \fi%
        \global\@common = #2}%
    #2 = \@common}
\def\DaysInHebrewYear#1#2{%
    {%
        \countdef\tmpe = 12%   % \tmpe==\count12
        \HebrewElapsedDays{#1}{\tmpe}%
        \advance #1 by 1%
        \HebrewElapsedDays{#1}{#2}%
        \advance #2 by -\tmpe%
        \global\@common = #2}%
    #2 = \@common}
\def\HebrewDaysInPriorMonths#1#2#3{%
    {%
        \countdef\tmpf= 14%    % \tmpf==\count14
        #3 = \ifcase #1%       % Days in prior month of regular year
               0 \or%          % no month number 0
               0 \or%          % Tishri
              30 \or%          % Heshvan
              59 \or%          % Kislev
              89 \or%          % Tebeth
             118 \or%          % Shebat
             148 \or%          % Adar I
             148 \or%          % Adar II
             177 \or%          % Nisan
             207 \or%          % Iyar
             236 \or%          % Sivan
             266 \or%          % Tammuz
             295 \or%          % Av
             325 \or%          % Elul
             400%              % Dummy
        \fi%
        \CheckLeapHebrewYear{#2}%
        \if@HebrewLeap%            % in leap year
            \ifnum #1 > 6%         % if month after Adar I
                \advance #3 by 30% % add  30 days
            \fi%
        \fi%
        \DaysInHebrewYear{#2}{\tmpf}%
        \ifnum #1 > 3%
            \ifnum \tmpf = 353%    %
                \advance #3 by -1% %
            \fi%                   %  Short Kislev
            \ifnum \tmpf = 383%    %
                \advance #3 by -1% %
            \fi%                   %
        \fi%
        \ifnum #1 > 2%
            \ifnum \tmpf = 355%    %
                \advance #3 by 1%  %
            \fi%                   %  Long Heshvan
            \ifnum \tmpf = 385%    %
                \advance #3 by 1%  %
            \fi%                   %
        \fi%
        \global\@common = #3}%
    #3 = \@common}
\def\AbsoluteFromHebrew#1#2#3#4{%
    {%
        #4 = #1%
        \HebrewDaysInPriorMonths{#2}{#3}{#1}%
        \advance #4 by #1%         % Add days in prior months this year
        \HebrewElapsedDays{#3}{#1}%
        \advance #4 by #1%         % Add days in prior years
        \advance #4 by -1373429%   % Subtract days before Gregorian
        \global\@common = #4}%     %   01.01.0001
    #4 = \@common}
\def\HebrewFromGregorian#1#2#3#4#5#6{%
    {%
        \countdef\tmpx= 17%        % \tmpx==\count17
        \countdef\tmpy= 18%        % \tmpy==\count18
        \countdef\tmpz= 19%        % \tmpz==\count19
        #6 = #3%                   %
        \global\advance #6 by 3761%  approximation from above
        \AbsoluteFromGregorian{#1}{#2}{#3}{#4}%
        \tmpz = 1  \tmpy = 1%
        \AbsoluteFromHebrew{\tmpz}{\tmpy}{#6}{\tmpx}%
        \ifnum \tmpx > #4%              %
            \global\advance #6 by -1% Hyear = Gyear + 3760
            \AbsoluteFromHebrew{\tmpz}{\tmpy}{#6}{\tmpx}%
        \fi%                            %
        \advance #4 by -\tmpx%     % Days in this year
        \advance #4 by 1%          %
        #5 = #4%                   %
        \divide #5 by 30%          % Approximation for month from below
        \loop%                     % Search for month
            \HebrewDaysInPriorMonths{#5}{#6}{\tmpx}%
            \ifnum \tmpx < #4%
                \advance #5 by 1%
                \tmpy = \tmpx%
        \repeat%
        \global\advance #5 by -1%
        \global\advance #4 by -\tmpy}}
%%
%% \CharacterTable
%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%%   Digits        \0\1\2\3\4\5\6\7\8\9
%%   Exclamation   \!     Double quote  \"     Hash (number) \#
%%   Dollar        \$     Percent       \%     Ampersand     \&
%%   Acute accent  \'     Left paren    \(     Right paren   \)
%%   Asterisk      \*     Plus          \+     Comma         \,
%%   Minus         \-     Point         \.     Solidus       \/
%%   Colon         \:     Semicolon     \;     Less than     \<
%%   Equals        \=     Greater than  \>     Question mark \?
%%   Commercial at \@     Left bracket  \[     Backslash     \\
%%   Right bracket \]     Circumflex    \^     Underscore    \_
%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
%%   Right brace   \}     Tilde         \~}
%%
\endinput
%%
%% End of file `hebcal.sty'.