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COMPLEX.TEX
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1990-03-02
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1KB
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% This is COMPLEX.TEX as of 2-MAR-1990
%
% Purpose: German math publications use double-line symbols for number sets
% (real, comlex, ... numbers) that are not included in standard-TeX
%
% Here are some quick hacks from the Institute of Applied Mathematics,
% University of Bonn, West Germany, for solving this problem without using
% special fonts.
%
% Usage:
% \rz for real numbers symbol ( Reelle Zahlen )
% \nz for natural numbers symbol ( Nat"urliche Zahlen )
% \gz for integer numbers symbol ( Ganze Zahlen )
% \cz for complex numbers symbol ( Komplexe Zahlen )
% \qz for rationale numbers symbol ( Rationale Zahlen )
%
\def\rz{\ifmmode{I\hskip -3pt R}
\else{\hbox{$I\hskip -3pt R$}}\fi} %reelle Zahlen
\def\nz{\ifmmode{I\hskip -3pt N}
\else{\hbox{$I\hskip -3pt N$}}\fi} %nat. Zahlen
\def\gz{\ifmmode{Z\hskip -4.8pt Z}
\else{\hbox{$Z\hskip -4.8pt Z$}}\fi} %ganze Zahlen
\def\cz{\ifmmode{C\hskip-4.8pt\vrule height5.8pt\hskip6.3pt}
\else{\hbox{$C\hskip-4.8pt\vrule height5.8pt\hskip6.3pt$}}\fi}
\def\qz{\ifmmode{Q\hskip-5.0pt\vrule height6.0pt depth 0pt\hskip6pt}
\else{\hbox{$Q\hskip-5.0pt\vrule height6.0pt depth 0pt\hskip6pt$}}\fi}
\def\cringle{\mathaccent"7017 }
% -eof-