%% %% This is file `luamathalign.sty', %% generated with the docstrip utility. %% %% The original source files were: %% %% luamathalign.dtx (with options: `package') %% %% Copyright (C) 2019--2022 by Marcel Krueger %% %% This file 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. The latest version of this license is in: %% %% http://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. \NeedsTeXFormat{LaTeX2e} \ProvidesPackage {luamathalign} [2022-05-04 v0.3 additional math alignment tricks using Lua] \RequirePackage{iftex} \RequireLuaTeX \directlua{require'luamathalign'} \IfPackageLoadedTF{amsmath}{% \@firstofone }{% \AddToHook{package/amsmath/after} } {% \def\align@preamble{% &\hfil \strut@ \setboxz@h{\@lign$\m@th\displaystyle{% \LuaMathAlign@begin##\LuaMathAlign@end}$}% \ifmeasuring@\savefieldlength@\fi \set@field \tabskip\z@skip &\setboxz@h{\@lign$\m@th\displaystyle{{}##}$}% \ifmeasuring@\savefieldlength@\fi \set@field \hfil \tabskip\alignsep@ } \renewcommand{\start@aligned}[2]{% \RIfM@\else \nonmatherr@{\begin{\@currenvir}}% \fi \savecolumn@ % Assumption: called inside a group \alignedspace@left \if #1t\vtop \else \if#1b \vbox \else \vcenter \fi \fi \bgroup \maxfields@#2\relax \ifnum\maxfields@>\m@ne \multiply\maxfields@\tw@ \let\math@cr@@@\math@cr@@@alignedat \alignsep@\z@skip \else \let\math@cr@@@\math@cr@@@aligned \alignsep@\minalignsep \fi \Let@ \chardef\dspbrk@context\@ne \default@tag \spread@equation % no-op if already called \global\column@\z@ \ialign\bgroup &\column@plus \hfil \strut@ $\m@th\displaystyle{\LuaMathAlign@begin##\LuaMathAlign@end}$% \tabskip\z@skip &\column@plus $\m@th\displaystyle{{}##}$% \hfil \tabskip\alignsep@ \crcr } \edef\math@cr@@@alignedat{\LuaMathAlign@end@early \unexpanded\expandafter{\math@cr@@@alignedat}} \edef\math@cr{\LuaMathAlign@end@early \unexpanded\expandafter{\math@cr}} \edef\endaligned{\LuaMathAlign@end@early \unexpanded\expandafter{\endaligned}} } \protected\def\AlignHere{\SetAlignmentPoint\m@ne} \begingroup \def\patch@finph@nt\setbox\tw@\null{% \LuaMathAlign@IsolateAlignmentPoints\z@ into \tw@ }% \expanded{\endgroup% \protected\def\noexpand\finph@nt{% \unexpanded\expandafter\expandafter\expandafter{% \expandafter\patch@finph@nt\finph@nt }% }} \ExplSyntaxOff \endinput %% %% End of file `luamathalign.sty'.