\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{nccbbb}
         [2002/01/31 v1.00 Pure Black Board Bold (NCC)]
% Additional poor black board bold math symbols (double)
%   \bbbb       \bbbf       \bbbk       \bbbo       \bbbs
%   \bbbc       \bbbg       \bbbl       \bbbp       \bbbz
%   \bbbd       \bbbh       \bbbm       \bbbq       \bbbzero
%   \bbbe       \bbbi       \bbbn       \bbbr       \bbbone
%
\def\bbbb{\NCC@bbb{B}}
\def\bbbc{{\NCC@bbbz{C{\NCC@bbbr{.03}{.35}{.9}{.1}}}}}
\def\bbbd{\NCC@bbb{D}}
\def\bbbe{\NCC@bbb{E}}
\def\bbbf{\NCC@bbb{F}}
\def\bbbg{{\NCC@bbbz{G{\NCC@bbbr{.05}{.3}{.88}{.09}}}}}
\def\bbbh{\NCC@bbb{H}}
\def\bbbi{\NCC@bbb{I}}
\def\bbbk{\NCC@bbb{K}}
\def\bbbl{\NCC@bbb{L}}
\def\bbbm{\NCC@bbbi{M}}
\def\bbbn{\NCC@bbbi{N}}
\def\bbbo{{\NCC@bbbz{O{\NCC@bbbr{.05}{.3}{.9}{.09}}}}}
\def\bbbp{\NCC@bbb{P}}
\def\bbbq{{\NCC@bbbz{Q{\NCC@bbbr{.05}{.3}{.9}{.09}}}}}
\def\bbbr{\NCC@bbb{R}}
\def\bbbs{{\NCC@bbbz{S{\NCC@bbbr{.5}{.3}{.45}{.07}%
  \NCC@bbbr{0}{.55}{.5}{.07}}}}}
\def\bbbz{{\NCC@bbbz{\mathsf Z{\@tempdima\wd\z@\wd\z@ 0.33\@tempdima}}%
  \mathsf Z}}
\def\bbbzero{{\NCC@bbbz{O{\NCC@bbbr{.05}{.3}{.9}{.06}%
  \NCC@bbbr{.05}{.6}{.9}{.06}}}}}
\def\bbbone{\mathrm{1\NCC@bbbz{l{\kern -0.88\wd\z@}}}}

%---- Base commands
\def\NCC@bbb#1{\mathrm{I\mskip -3.5mu#1}}
\def\NCC@bbbi#1{\mathrm{I\NCC@bbbz{{\mskip -3.5mu I}{\wd\z@\z@}}%
  \mskip -3mu#1}}
\def\NCC@bbbz{\mathpalette\NCC@bbbz@}
\def\NCC@bbbz@#1#2{\NCC@bbbz@@{#1}#2}
\def\NCC@bbbz@@#1#2#3{\setbox\z@\hbox{$\m@th#1{\mathrm{#2}}$}#3\box\z@}
\def\NCC@bbbr#1#2#3#4{\raise #1\ht\z@\hbox to \z@{\kern #2\wd\z@
  \vrule \@height #3\ht\z@ \@width #4\wd\z@\hss}}
\endinput
