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%%
%% This is file `eqnalign.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% eqnalign.dtx (with options: `package')
%% ----------------------------------------------------------------
%% eqnalign --- make eqnarray behave like align
%% Author: Tom Hejda (a.k.a. tohecz or yo')
%% E-mail: tohecz@gmail.com
%% Released under the LaTeX Project Public License v1.3c or later
%% See http://www.latex-project.org/lppl.txt
%% Status: author-maintained
%% ----------------------------------------------------------------
%%
\ProvidesPackage{eqnalign}[2017/02/19 v1.0a Make eqnarray(*) behave like align(*).]
\RequirePackage{amsmath}
\begingroup
\catcode`\&=4
\gdef\eqna@tab@amp{&}
\catcode`\&=13
\gdef\eqna@new@amp{%
\ifx\@currenvir\eqna@currenvir
\expandafter\eqna@amp@
\else
\expandafter\eqna@tab@amp
\fi
}
\gdef\eqna@amp@i{\eqna@tab@amp\let\eqna@amp@\eqna@amp@ii}
\gdef\eqna@amp@ii{\let\eqna@amp@\eqna@amp@iii}
\gdef\eqna@amp@iii{\eqna@tab@amp}
\global\let\eqna@amp@\eqna@amp@i
\gdef\eqna@hook{%
\let\eqna@currenvir\@currenvir
\catcode`\&=\active
\let&\eqna@new@amp
}
\catcode`\*=11
\gdef\eqna@def@env{%
\gdef\eqnarray{\eqna@hook\align}%
\gdef\eqnarray*{\eqna@hook\align*}%
\global\let\endeqnarray\endalign
\global\let\endeqnarray*\endalign*
}
\eqna@def@env
\global\let\eqnarray@qed\align@qed
\global\let\eqnarray*@qed\align*@qed
\endgroup
\def\EQNarray{%
\stepcounter{equation}%
\def\@currentlabel{\p@equation\theequation}%
\global\@eqnswtrue
\m@th
\global\@eqcnt\z@
\tabskip\@centering
\let\\\@eqncr
$$\everycr{}\halign to\displaywidth\bgroup
\hskip\@centering$\displaystyle\tabskip\z@skip{##}$\@eqnsel
&\global\@eqcnt\@ne\hskip \tw@\arraycolsep \hfil${##}$\hfil
&\global\@eqcnt\tw@ \hskip \tw@\arraycolsep
$\displaystyle{##}$\hfil\tabskip\@centering
&\global\@eqcnt\thr@@ \hb@xt@\z@\bgroup\hss##\egroup
\tabskip\z@skip
\cr
}
\def\endEQNarray{%
\@@eqncr
\egroup
\global\advance\c@equation\m@ne
$$\@ignoretrue
}
\@namedef{EQNarray*}{\def\@eqncr{\nonumber\@seqncr}\EQNarray}
\@namedef{endEQNarray*}{\nonumber\endEQNarray}
\@ifpackageloaded{hyperref}{}{
\AtBeginDocument{
\@ifpackageloaded{hyperref}{
\@latex@warning{Package `eqnalign' should be loaded after
`hyperref'.\MessageBreak Redefining `eqnarray' and `eqnarray*' at this
point \MessageBreak and crossing fingers...}
\eqna@def@env
}{}
}
}
%%
%% Copyright (C) 2016 by
%% Tom Hejda <tohecz@gmail.com>
%%
%% It may be distributed and/or modified under the conditions of
%% the LaTeX Project Public License (LPPL), either version 1.3c of
%% this license or (at your option) any later version. The latest
%% version of this license is in the file:
%%
%% http://www.latex-project.org/lppl.txt
%%
%% This work is "maintained" (as per LPPL maintenance status) by
%% Tom Hejda.
%%
%% This work consists of the files eqnalign.dtx and
%% eqnalign.ins
%% and the derived file eqnalign.sty
%%
%%
%% End of file `eqnalign.sty'.
|
