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% ziffer.sty v2.1
%
% Author:
%
% M. V\"ath vaeth@mathematik.uni-wuerzburg.de
%
%
% This package provides the macros
% \ZifferAn (equivalent with \ZifferPunktAn \ZifferStrichAn )
% \ZifferAus (equivalent with \ZifferPunktAus\ZifferStrichAus)
% \ZifferPunktAn
% \ZifferPunktAus
% \ZifferStrichAn
% \ZifferStrichAus
%
% If \ZifferAn was used, then in numbers in math-mode the following happens:
% `.' is used as a `one-thousand separator' as common in Germany
% `,' is used as a decimal separator as common in Germany
% `--' generates a -- with better spacing (e.g. in 1.000,-- )
%
% You may still use the symbols `.' `,' and `-' in other context in math mode.
%
% The first two conversions are switched on by default, the last conversion has
% to be switched on explicitly (this has been changed in v2.1):
% You may switch on/off the conversions with
% \ZifferPunktAn/\ZifferPunktAus (for the first two conversions) respectively
% \ZifferStrichAn/\ZifferStrichAus (for the last conversion).
%
% The reason why the last conversion is not on by default (and why it might be
% necessary to [temporarily] switch off a conversion) is that certain packages
% (in particular, newer versions of amsmath) cause problems with it.
%
% There were some discussions which should be the correct output of the
% above conversions (in particular, of `--').
% If you do not like my choice: You may customize (i.e. redefine) the macros
% \ZifferLeer and \ZifferStrich
% after loading the package to produce the `one-thousand separator'
% respectively the `--'.
%
% All above command-names are in German, because I had expected that this
% package is only needed for German texts. Meanwhile, I learned that also
% other countries use this strange convention for numbers. However, for
% downward compatibility, I decided to keep the name conventions anyway
% (after all, the name of the package is in German anyway).
\ifx\newcommand\undefined\else
\newcommand{\ZifferAn}{}
\newcommand{\ZifferAus}{}
\newcommand{\ZifferPunktAn}{}
\newcommand{\ZifferPunktAus}{}
\newcommand{\ZifferStrichAn}{}
\newcommand{\ZifferStrichAus}{}
\newcommand{\ZifferLeer}{}
\newcommand{\ZifferStrich}{}
\fi
\def\ZifferAn{\ZifferPunktAn\ZifferStrichAn}
\def\ZifferAus{\ZifferPunktAus\ZifferStrichAus}
\def\ZifferPunktAn{\mathcode`,="8000\mathcode`.="8000\relax}
\def\ZifferPunktAus{\mathcode`,="613B\mathcode`.="013A\relax}
\def\ZifferStrichAn{\mathcode`-="8000\relax}
\def\ZifferStrichAus{\mathcode`-="2200\relax}
\def\ZifferLeer{\phantom{.}}
\ifx\textrm\undefined
\def\ZifferStrich{\hbox{-\kern0.1em-}}
\else
\def\ZifferStrich{\textrm{-\kern0.1em-}}
\fi
\mathchardef\ziffer@CommaMy="013B
\mathchardef\ziffer@CommaOri="613B
\mathchardef\ziffer@DotOri="013A
\mathchardef\ziffer@MinusOri="2200
{\ZifferAn
\catcode`\,=\active\gdef,{\begingroup\obeyspaces\futurelet\n\ziffer@ccheck}
\catcode`\.=\active\gdef.{\begingroup\obeyspaces\futurelet\n\ziffer@dcheck}
\catcode`\-=\active\gdef-{\begingroup\obeyspaces\futurelet\n\ziffer@mcheck}}
\def\ziffer@ccheck{\ziffer@check\ziffer@CommaMy\ziffer@CommaOri}
\def\ziffer@dcheck{\ziffer@check\ZifferLeer\ziffer@DotOri}
\def\ziffer@mcheck{\ifx\n-\def\n-{\endgroup\ZifferStrich}%
\else\def\n{\endgroup\ziffer@MinusOri}\fi\n}
\def\ziffer@check#1#2{%
\ifx\n1\endgroup#1\else
\ifx\n2\endgroup#1\else
\ifx\n3\endgroup#1\else
\ifx\n4\endgroup#1\else
\ifx\n5\endgroup#1\else
\ifx\n6\endgroup#1\else
\ifx\n7\endgroup#1\else
\ifx\n8\endgroup#1\else
\ifx\n9\endgroup#1\else
\ifx\n0\endgroup#1\else
\endgroup#2%
\fi
\fi
\fi
\fi
\fi
\fi
\fi
\fi
\fi
\fi}
\ZifferPunktAn
|
