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%% See file 'calcage.dtx' for copyright and licence.
\NeedsTeXFormat{LaTeX2e}[1998/12/01]
\ProvidesPackage{calcage}
[2012/09/09 v0.90 Calculate the age in years]
\RequirePackage{fnumprint}[2012/08/27]
\RequirePackage{
datenumber,
fp,
calc,
xkeyval,
kvoptions,
xifthen,
}
\DeclareStringOption{year}
\DeclareStringOption{month}
\DeclareStringOption{day}
\DeclareStringOption{precision}[3]
\DeclareBoolOption{positive}
\DeclareBoolOption{printyear}
\DeclareBoolOption{yearsuffix}
\DeclareBoolOption{numberstring}
\ProcessLocalKeyvalOptions*
\edef\calcage@options{\@ptionlist{\@currname.\@currext}}
%% ^^A \renewcommand{\calcage@options}{precision=4,printyear=false}
%% ^^A Package xkeyval Error: `precision=4' undefined in families `calcage'.
\ifcase\value{fnumprint@language}\or
\newcommand{\calcage@yearWord}{Jahr}
\newcommand{\calcage@yearPluralSuffix}{e}
\newcommand{\calcage@yearSuffix}{n}
\or
\newcommand{\calcage@yearWord}{year}
\newcommand{\calcage@yearPluralSuffix}{s}
\newcommand{\calcage@yearSuffix}{}
\fi
\newcounter{calcage@today}\newcounter{calcage@ageindays}
\newcounter{calcage@myyear}\newcounter{calcage@leapyears}
\newcommand{\calcage}[4][]{%
\setkeys{calcage}{precision=0, positive=true, printyear=true,
yearsuffix=false, numberstring=true,
year=\the\year, month=\the\month, day=\the\day, \calcage@options, #1}%
\setmydatenumber{calcage@today}{\calcage@year}{\calcage@month}{\calcage@day}%
\setmydatenumber{calcage@ageindays}{#2}{#3}{#4}%
\setcounter{calcage@myyear}{#2}%
\setcounter{calcage@leapyears}{0}%
\ifthenelse{\equal{#2}{\calcage@year}}{}{%
\ifthenelse{\value{calcage@myyear}<\calcage@year}{%
\loop%
\stepcounter{calcage@myyear}%
\ifleapyear{\thecalcage@myyear}\stepcounter{calcage@leapyears}\fi%
\ifnum\value{calcage@myyear}<\calcage@year%
\repeat%
}{%
\loop%
\ifleapyear{\thecalcage@myyear}\addtocounter{calcage@leapyears}{-1}\fi%
\addtocounter{calcage@myyear}{-1}%
\ifnum\value{calcage@myyear}>\calcage@year%
\repeat%
}%
}%
\setcounter{calcage@ageindays}{\value{calcage@today}
- \value{calcage@ageindays} - \value{calcage@leapyears}}%
\ifthenelse{\boolean{calcage@positive} \AND \value{calcage@ageindays} < 0}{%
\setcounter{calcage@ageindays}{\value{calcage@ageindays} * -1}%
}{}%
\FPdiv\calcage@age{\thecalcage@ageindays}{365}%
\FPtrunc\calcage@age{\calcage@age}{\calcage@precision}%
\ifthenelse{\boolean{calcage@numberstring}
\AND \equal{\calcage@precision}{0}}%
{\fnumprint[ein]{\calcage@age}}{\numprint{\calcage@age}}%
\ifthenelse{\boolean{calcage@printyear}}{%
~\calcage@yearWord%
\ifthenelse{\equal{\calcage@age}{1} \OR \equal{\calcage@age}{-1}}{}{%
\calcage@yearPluralSuffix%
\ifthenelse{\boolean{calcage@yearsuffix}}{\calcage@yearSuffix}{}%
}%
}{}%
}
\endinput
%%
%% End of file `calcage.sty'.
|
