Current File : //usr/share/texlive/texmf-dist/tex/latex/oberdiek/centernot.sty

%%
%% This is file `centernot.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% centernot.dtx  (with options: `package')
%% 
%% This is a generated file.
%% 
%% Project: centernot
%% Version: 2016/05/16 v1.4
%% 
%% Copyright (C)
%%    2006, 2007, 2010, 2011 Heiko Oberdiek
%%    2016-2019 Oberdiek Package Support Group
%% 
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version. This version of this license is in
%%    https://www.latex-project.org/lppl/lppl-1-3c.txt
%% and the latest version of this license is in
%%    https://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of
%% LaTeX version 2005/12/01 or later.
%% 
%% This work has the LPPL maintenance status "maintained".
%% 
%% The Current Maintainers of this work are
%% Heiko Oberdiek and the Oberdiek Package Support Group
%% https://github.com/ho-tex/oberdiek/issues
%% 
%% 
%% This work consists of the main source file centernot.dtx
%% and the derived files
%%    centernot.sty, centernot.pdf, centernot.ins, centernot.drv.
%% 
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{centernot}
  [2016/05/16 v1.4 Centers the not symbol horizontally (HO)]%
\newcommand*{\centernot}{%
  \mathpalette\@centernot
}
\def\@centernot#1#2{%
  \mathrel{%
    \rlap{%
      \settowidth\dimen@{$\m@th#1{#2}$}%
      \kern.5\dimen@
      \settowidth\dimen@{$\m@th#1=$}%
      \kern-.5\dimen@
      $\m@th#1\not$%
    }%
    {#2}%
  }%
}
\endinput
%%
%% End of file `centernot.sty'.