From 94965adad023c311265b401a1e7bef667d92d745 Mon Sep 17 00:00:00 2001 From: Karl Berry Date: Thu, 7 Aug 2014 21:54:06 +0000 Subject: rm mh, replaced by breqn and mathtools git-svn-id: svn://tug.org/texlive/trunk@34869 c570f23f-e606-0410-a88d-b1316a301751 --- Master/texmf-dist/tex/latex/mh/breqn.sty | 2038 ------------------------------ 1 file changed, 2038 deletions(-) delete mode 100644 Master/texmf-dist/tex/latex/mh/breqn.sty (limited to 'Master/texmf-dist/tex/latex/mh/breqn.sty') diff --git a/Master/texmf-dist/tex/latex/mh/breqn.sty b/Master/texmf-dist/tex/latex/mh/breqn.sty deleted file mode 100644 index 464b862b398..00000000000 --- a/Master/texmf-dist/tex/latex/mh/breqn.sty +++ /dev/null @@ -1,2038 +0,0 @@ -%% -%% This is file `breqn.sty', -%% generated with the docstrip utility. -%% -%% The original source files were: -%% -%% breqn.dtx (with options: `package') -%% -%% This is a generated file. -%% -%% Copyright (C) 1997-2003 by Michael J. Downes -%% Copyright (C) 2007-2008 by Morten Hoegholm -%% -%% This work may be distributed and/or modified under the -%% conditions of the LaTeX Project Public License, either -%% version 1.3 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. -%% -%% This work has the LPPL maintenance status "maintained". -%% -%% This Current Maintainers of this work is -%% Lars Madsen, Will Robertson and Joseph Wright. -%% -%% This work consists of the main source file breqn.dtx -%% and the derived files -%% breqn.sty, breqn.pdf, breqn.ins, breqn.drv. -%% -\NeedsTeXFormat{LaTeX2e} -\RequirePackage{expl3}[2009/08/05] -\ProvidesExplPackage{breqn}{2012/05/10}{0.98b}{Breaking equations} -\ExplSyntaxOff -\edef\breqnpopcats{% - \catcode\number`\"=\number\catcode`\" - \relax} -\AtEndOfPackage{\breqnpopcats}% -\catcode`\^=7 \catcode`\_=8 \catcode`\"=12 \relax -\DeclareOption{mathstyleoff}{% - \PassOptionsToPackage{mathstyleoff}{flexisym}% -} -\ProcessOptions\relax -\@ifpackageloaded{flexisym}{}{% - \RequirePackage{flexisym}[2009/08/07] - \edef\breqnpopcats{\breqnpopcats - \catcode\number`\^=\number\catcode`\^ - \catcode\number`\_=\number\catcode`\_ - }% - \catcode`\^=7 \catcode`\_=8 \catcode`\"=12 \relax -} -\RequirePackage{keyval,calc}\relax -\@ifundefined{options}{% -\newcommand{\options}[2]{% - \expandafter\options@a\csname opt@#1.sty\endcsname{#2}% - \setkeys{#1}{#2}% -} -\def\options@a#1#2{% - \edef\@tempa{\options@b#2,\@empty\@nil}% - \ifx#1\relax \let#1\@empty\fi - \xdef#1{#1\ifx#1\@empty\@xp\@gobble\@tempa\@empty\else\@tempa \fi}% -} -\def\options@b#1,#2#3\@nil{% - \options@c#1 \@nil - \ifx#2\@empty \else\options@b#2#3\@nil\fi -} -\def\options@c#1 #2\@nil{\options@d#1=\@nil} -\def\options@d#1=#2\@nil{\ifx\@empty #1\@empty\else,\fi#1} -}{}% end @ifundefined test -\let\@nx\noexpand -\let\@xp\expandafter -\@ifundefined{@emptytoks}{\newtoks\@emptytoks}{} -\chardef\f@ur=4 -\newcount\inf@bad \inf@bad=1000000 -\newcount\maxint \maxint=2147483647 -\let\int@a=\@tempcnta -\let\int@b=\@tempcntb -\let\int@c=\count@ -\let\dim@a\@tempdima -\let\dim@b\@tempdimb -\let\dim@c\@tempdimc -\let\dim@d\dimen@ -\let\dim@e\dimen@ii -\let\dim@A\dimen@i -\let\skip@a\@tempskipa -\let\skip@b\@tempskipb -\let\skip@c\skip@ -\let\toks@a\@temptokena -\let\toks@b\toks@ -\toksdef\toks@c=2 -\toksdef\toks@d=4 -\toksdef\toks@e=6 -\toksdef\toks@f=8 -\def\abs@num#1{\ifnum#1<\z@-\fi#1} -\def\@ifnext#1#2#3{% - \let\@tempd= #1\def\@tempa{#2}\def\@tempb{#3}% - \futurelet\@tempc\@ifnexta -} -\def\@ifnexta{\ifx\@tempc\@tempd \let\@tempb\@tempa \fi \@tempb} -\def\@ifstar#1#2{% - \let\@tempd*\def\@tempa*{#1}\def\@tempb{#2}% - \futurelet\@tempc\@ifnexta -} -\def\@optarg#1#2{\@ifnext[{#1}{#1[#2]}} -\def\@True{00} -\def\@False{01} -\def\@Not#1{0\ifcase#11 \or\@xp 1\else \@xp 0\fi} -\def\@And#1#2{0\ifcase#1#2 \@xp 0\else \@xp 1\fi} -\def\@Or#1#2{0\ifnum#1#2<101 \@xp 0\else \@xp 1\fi} -\def\theb@@le#1{\if#1 True\else False\fi} -\def\freeze@glue#1{#11#1\relax} -\def\z@rule{\vrule\@width\z@}% no \relax ! use with care -\def\keep@glue{\z@rule\relax} -\begingroup \catcode`\&=11 -\gdef\replicate#1{% - \csname &\expandafter\replicate@a\romannumeral\number\number#1 000q\endcsname -} -\endgroup -\long\def\replicate@a#1#2\endcsname#3{#1\endcsname{#3}#2} -\begingroup \catcode`\&=11 -\long\gdef\&m#1#2{#1\csname \endcsname{#1}} -\endgroup -\@xp\let\csname\string &q\endcsname\@gobble -\ExplSyntaxOn -\g@addto@macro\mathchars@reset{% - %\let\@symRel\@secondoftwo \let\@symBin\@secondoftwo - %\let\@symDeL\@secondoftwo \let\@symDeR\@secondoftwo - %\let\@symDeB\@secondoftwo - \cs_set_eq:NN \math_csym_Rel:Nn \use_ii:nn - \cs_set_eq:NN \math_csym_Bin:Nn \use_ii:nn - \cs_set_eq:NN \math_csym_DeL:Nn \use_ii:nn - \cs_set_eq:NN \math_csym_DeR:Nn \use_ii:nn - \cs_set_eq:NN \math_csym_DeB:Nn \use_ii:nn -} -\ExplSyntaxOff -\def\eq@cons#1#2{% - \begingroup \let\@elt\relax \xdef#1{\@elt{#2}#1}\endgroup -} -\providecommand{\@saveprimitive}[2]{% - \begingroup - \edef\@tempa{\string#1}\edef\@tempb{\meaning#1}% - \ifx\@tempa\@tempb \global\let#2#1% - \else - \edef\@tempb{\meaning#2}% - \ifx\@tempa\@tempb - \else \@saveprimitive@a#1#2% - \fi - \fi - \endgroup -} -\providecommand\@saveprimitive@a[2]{% - \begingroup - \def\@tempb##1#1##2{\edef\@tempb{##2}\@car{}}% - \@tempb\nullfont{select font nullfont}% - \topmark{\string\topmark:}% - \firstmark{\string\firstmark:}% - \botmark{\string\botmark:}% - \splitfirstmark{\string\splitfirstmark:}% - \splitbotmark{\string\splitbotmark:}% - #1{\string#1}% - \@nil % for the \@car - \edef\@tempa{\expandafter\strip@prefix\meaning\@tempb}% - \edef\@tempb{\meaning#1}% - \ifx\@tempa\@tempb \global\let#2#1% - \else - \PackageError{breqn}% - {Unable to properly define \string#2; primitive - \noexpand#1no longer primitive}\@eha - \fi - \fi - \endgroup -} -\begingroup \catcode`\$=\thr@@ % just to make sure - \global\let\@@math=$ \gdef\@@display{$$}% $$$ -\endgroup -\let\@@endmath=\@@math -\let\@@enddisplay=\@@display -\@saveprimitive\vadjust\@@vadjust -\@saveprimitive\insert\@@insert -\@saveprimitive\mark\@@mark -\@ifundefined{listwidth}{\newdimen\listwidth}{} -\listwidth=\z@ -\def\eqfontsize{} % Inherit from context [NOT USED?] -\def\eqcolor{black} % Default to black [NOT USED?] -\newdimen\eqnumsep \eqnumsep=10pt % Min space between equ number and body -\newdimen\eqmargin \eqmargin=8pt % For `multline' gap emulation -\def\eqindent{C}% % C or I, centered or indented -\def\eqnumside{R}% % R or L, right or left -\def\eqnumplace{M}% % M or T or B, middle top or bottom -\def\eqnumfont{}% % Null for easier debugging [mjd,1997/09/26] -\def\eqnumform#1{(#1\@@italiccorr)} % Add parens -\def\eqnumsize{} % Allow numbers to have different typesize ... -\def\eqnumcolor{} % ... or color than eq body e.g. \color{blue} -\newlength\eqlinespacing \eqlinespacing=14pt plus2pt % Base-to-base space between lines -\newlength\eqlineskip \eqlineskip=3pt plus2pt % Min space if eqlinespacing too small -\newdimen\eqlineskiplimit \eqlineskiplimit=2pt % Threshold for switching to eqlineskip -\newmuskip \eqbinoffset \eqbinoffset=15mu minus-3mu % Offset from mathrel alignment pt for mathbins -\newmuskip\eqdelimoffset \eqdelimoffset=2mu % Additional offset for break inside delims -\newdimen\eqindentstep \eqindentstep=8pt % Indent used when LHS wd is n/a or too large -\newtoks\eqstyle % Customization hook -\newcount\eqbreakdepth \eqbreakdepth=2 % Allow breaks within delimiters to this depth -\newcount \eqinterlinepenalty \eqinterlinepenalty=10000 % No page breaks between equation lines -\newcount \intereqpenalty \intereqpenalty=1000 % Pagebreak penalty between equations [BRM: Was \@M] -\newlength \intereqskip \intereqskip=3pt plus2pt % Additional vert space between equations -\newcount\prerelpenalty \prerelpenalty=-\@M % Linebreak penalty before mathrel symbols -\newcount\prebinoppenalty \prebinoppenalty=888 % Linebreak penalty before mathbins -\newmuskip \Dmedmuskip \Dmedmuskip=4mu minus 3mu % medmuskip in displays -\newmuskip \Dthickmuskip \Dthickmuskip=5mu minus 2mu % thickmuskip in displays -\def\eq@number{} % Internal variable -\newlength\eqleftskip \eqleftskip=\@centering % Space on the left [NOT USED?] -\newlength\eqrightskip \eqrightskip=\@centering % Space on the right [NOT USED?] -\newlength\eq@vspan \eq@vspan=\z@skip % Glue used to vcenter the eq number -\newmuskip\eq@binoffset \eq@binoffset=\eqbinoffset % Roughly, \eqbinoffset + \eqdelimoffset -\newsavebox\EQ@box % Storage for equation body -\newsavebox\EQ@copy % For eq body sans vadjust/insert/mark material -\newsavebox\EQ@numbox % For equation number -\newdimen\eq@wdNum % width of number + separation [NEW] -\newsavebox\GRP@numbox % For group number [NEW] -\newdimen\grp@wdNum % width of number + separation [NEW] -%%B\EQ@vimbox % Vadjust, insert, or mark material -%%B\EQ@vimcopy % Spare copy of same -%%B\eq@impinging % Temporary box for measuring number placement -\newcount \eq@lines % Internal counter, actual number of lines -\newcount \eq@curline % Loop counter -\newcount \eq@badness % Used in testing for overfull lines -\newcount \EQ@vims % For bookkeeping -\def\@eq@numbertrue{\let\eq@hasNumber\@True}% -\def\@eq@numberfalse{\let\eq@hasNumber\@False}% -\let\eq@hasNumber\@False -\newdimen\eq@dp % Depth of last line -\newdimen\eq@wdL % Width of the left-hand-side -\newdimen\eq@wdT % Total width for framing -\newdimen\eq@wdMin % Width of narrowest line in equation -\newdimen\grp@wdL % Max width of LHS's in a group -\newdimen\grp@wdR % Max RHS of all equations in a group -\newdimen\grp@wdT -\newdimen\eq@wdRmax -\newdimen\eq@firstht % Height of first line -\newdimen\eq@wdCond -\newdimen\eq@indentstep % Indent amount when LHS is not present -\newdimen\eq@linewidth % Width actually used for display -\newdimen\grp@linewidth % Max eq@linewidth over a group -\newdimen\eq@hshift -\let\eq@isIntertext\@False -\eq@indentstep=\maxdimen -\newdimen\eq@given@sidespace -\def\eq@overrun{0pt} -\@ifpackagewith{amsmath}{leqno}{% - \@ifpackagewith{amsmath}{reqno}{}{\def\eqnumside{L}}% -}{% - \def\@tempa#1,leqno.clo,#2#3\@nil{% - \ifx @#2\relax\else \def\eqnumside{L}\fi - }% - \@xp\@tempa\@filelist,leqno.clo,@\@nil - \if L\eqnumside - \else - \@ifundefined{iftagsleft@}{}{% - \edef\eqnumside{% - \if TT\csname fi\endcsname\csname iftagsleft@\endcsname - L\else R\fi - }% - } - \fi -} -\@ifpackagewith{amsmath}{fleqn}{% - \def\eqindent{I}% -}{% - \def\@tempa#1,fleqn.clo,#2#3\@nil{% - \ifx @#2\relax\else \def\eqindent{I}\fi - }% - \@xp\@tempa\@filelist,fleqn.clo,@\@nil - \if I\eqindent - \else - \@ifundefined{if@fleqn}{}{% - \edef\eqindent{% - \if TT\csname fi\endcsname\csname if@fleqn\endcsname - I\else C\fi - }% - }% - \fi -} - \@ifundefined{mathindent}{% - \newdimen\mathindent - }{% - \@ifundefined{@mathmargin}{}{% - \mathindent\@mathmargin - }% - } -\let\EQ@hasLHS=\@False -\let\EQ@QED=\@empty -\def\mark@lhs#1{% - \ifnum\lr@level<\@ne - \let\mark@lhs\relax - \global\let\EQ@hasLHS=\@True - \global\let\EQ@prebin@space\EQ@prebin@space@a - \mark@lhs@a - \penalty9999 % instead of normal \rel@break - % else no penalty = forbid break - \fi -} -\def\mark@lhs@a{% - \mskip\thickmuskip \@@vadjust{\penalty\tw@}\penalty-\@Mi\@@vadjust{}% -} -\newcommand\hiderel[1]{\mathrel{\advance\lr@level\@ne#1}} -%%%%\let\m@@Bin\m@Bin -%%%%%\let\m@@Rel\m@Rel -\let\EQ@prebin@space\relax -\def\EQ@prebin@space@a{\mskip-\eq@binoffset \keep@glue \mskip\eq@binoffset} -\def\bin@break{\ifnum\lastpenalty=\z@\penalty\prebinoppenalty\fi - \EQ@prebin@space} -\def\rel@break{% - \ifnum\abs@num\lastpenalty <\abs@num\prerelpenalty - \penalty\prerelpenalty - \fi -} -\ExplSyntaxOn -%%%\def\d@@Bin{\bin@break \m@@Bin} -%%%%\def\d@@Rel{\mark@lhs \rel@break \m@@Rel} -\cs_set:Npn \math_dsym_Bin:Nn {\bin@break\math_bsym_Bin:Nn} -\cs_set:Npn \math_dsym_Rel:Nn {\mark@lhs \rel@break \math_bsym_Rel:Nn } -\ExplSyntaxOff -\ExplSyntaxOn -%%\let\m@@symRel\@symRel -%%%\def\d@@symRel{\mark@lhs \rel@break \m@@symRel} - -\cs_set_protected:Npn \math_dcsym_Bin:Nn {\bin@break \math_bcsym_Bin:Nn} -\cs_set_protected:Npn \math_dcsym_Rel:Nn { \mark@lhs \rel@break \math_bcsym_Rel:Nn} - -%%\let\m@@symBin\@symBin \def\d@@symBin{\bin@break \m@@symBin} -%%\let\m@@symDel\@symDel -%%\let\m@@symDeR\@symDeR -%%\let\m@@symDeB\@symDeB -%%\let\m@@symDeA\@symDeA - -\def\display@setup{% - \medmuskip\Dmedmuskip \thickmuskip\Dthickmuskip - \math_setup_display_symbols: - %%\let\m@Bin\d@@Bin \let\m@Rel\d@@Rel - %%\let\@symRel\d@@symRel \let\@symBin\d@@symBin - %%\let\m@DeL\d@@DeL \let\m@DeR\d@@DeR \let\m@DeB\d@@DeB - %%\let\m@DeA\d@@DeA - %%\let\@symDeL\d@@symDeL \let\@symDeR\d@@symDeR - %%\let\@symDeB\d@@symDeB \let\@symDeA\d@@symDeA - \let\left\eq@left \let\right\eq@right \global\lr@level\z@ - \global\eq@wdCond\z@ %BRM: new - \everyhbox{\everyhbox\@emptytoks - \let\display@setup\relax \textmath@setup \let\textmath@setup\relax - }% - \everyvbox{\everyvbox\@emptytoks - \let\display@setup\relax \textmath@setup \let\textmath@setup\relax - }% -} -\def\dseries@display@setup{% - \medmuskip\Dmedmuskip \thickmuskip\Dthickmuskip - \math_setup_display_symbols: -%%%% \let\m@Bin\d@@Bin -%%%\let\m@Rel\d@@Rel -%%% \let\@symRel\d@@symRel -%%% \let\@symBin\d@@symBin -%%% \let\m@DeL\d@@DeL \let\m@DeR\d@@DeR \let\m@DeB\d@@DeB -%%% \let\m@DeA\d@@DeA -%%% \let\@symDeL\d@@symDeL \let\@symDeR\d@@symDeR -%%% \let\@symDeB\d@@symDeB \let\@symDeA\d@@symDeA - \let\left\eq@left \let\right\eq@right \global\lr@level\z@ - \everyhbox{\everyhbox\@emptytoks - \let\display@setup\relax \textmath@setup \let\textmath@setup\relax - }% - \everyvbox{\everyvbox\@emptytoks - \let\display@setup\relax \textmath@setup \let\textmath@setup\relax - }% - \displaystyle -} -\def\textmath@setup{% - \math_setup_inline_symbols: -%%%% \let\m@Bin\m@@Bin \let\m@Rel\m@@Rel -%%%% \let\@symRel\m@@symRel \let\@symBin\m@@symBin -%%%% \let\m@DeL\m@@DeL \let\m@DeR\m@@DeR \let\m@DeB\m@@DeB -%%%% \let\m@DeA\m@@DeA -%%%% \let\@symDeL\m@@symDeL \let\@symDeR\m@@symDeR -%%%% \let\@symDeB\m@@symDeB \let\@symDeA\m@@symDeA - \let\left\@@left \let\right\@@right -} - -\ExplSyntaxOff -\@ifundefined{@displaytrue}{% - \@xp\newif\csname if@display\endcsname - \everydisplay\@xp{\the\everydisplay \@displaytrue}% -}{} -\define@key{breqn}{label}{% - \edef\next@label{\noexpand\label{\next@label@pre#1}}% - \let\next@label@pre\@empty} -\define@key{breqn}{labelprefix}{\def\next@label@pre{#1}} -\global\let\next@label\@empty -\global\let\next@label@pre\@empty -\define@key{breqn}{number}{\def\eq@number{#1}% - \let\@currentlabel\eq@number -} -\define@key{breqn}{shiftnumber}{\let\eq@shiftnumber\@True} -\define@key{breqn}{holdnumber}{\let\eq@holdnumber\@True} -\define@key{breqn}{density}{\def\eq@density@factor{#1}} -\define@key{breqn}{indentstep}{\eqindentstep#1\relax} -\define@key{breqn}{compact}[-99]{\prerelpenalty=#1\relax} -\define@key{breqn}{layout}[?]{% - \edef\eq@layout{\@car#1?\@nil}% -} -\define@key{breqn}{spread}{% - \addtolength\eqlinespacing{#1}% - \addtolength\eqlineskip{#1}% - \eqlineskiplimit\eqlineskip -} -\define@key{breqn}{sidespace}{% - \setlength\eq@given@sidespace{#1}% -} -\define@key{breqn}{style}{\eqstyle\@xp{\the\eqstyle #1}} -\define@key{breqn}{shortskiplimit}{\def\eq@shortskiplimit{#1}} -\def\eq@shortskiplimit{2em} -\define@key{breqn}{frame}[\fboxrule]{\def\eq@frame{T}% - \dim@a#1\relax\edef\eq@framewd{\the\dim@a}% - \freeze@glue\eqlinespacing \freeze@glue\eqlineskip -} -\define@key{breqn}{fullframe}[]{\def\eq@frame{U}% - \freeze@glue\eqlinespacing \freeze@glue\eqlineskip -} -\def\eq@frame{F} % no frame -\def\eq@framewd{\fboxrule} -\define@key{breqn}{framesep}[\fboxsep]{% - \if\eq@frame F\def\eq@frame{T}\fi - \dim@a#1\relax \edef\eq@framesep{\the\dim@a}% - \freeze@glue\eqlinespacing \freeze@glue\eqlineskip -} -\def\eq@framesep{\fboxsep} -\define@key{breqn}{background}{\def\eq@background{#1}% - \freeze@glue\eqlinespacing \freeze@glue\eqlineskip -} -\define@key{breqn}{color}{\def\eq@foreground{#1}} -\define@key{breqn}{center}[]{\let\eq@centerlines\@True} -\define@key{breqn}{nocenter}[]{\let\eq@centerlines\@False} -\let\eq@centerlines\@False -\define@key{breqn}{noalign}[]{\let\grp@aligned\@False} -\let\grp@aligned\@True % default -\define@key{breqn}{breakdepth}{\eqbreakdepth#1\relax} -\define@key{breqn}{cols}{\global\let\@preamble\@empty - \darray@mkpream#1\@percentchar -} -\newenvironment{dmath}{% - \let\eq@hasNumber\@True \@optarg\@dmath{}}{} -\def\@dmath[#1]{% - \everydisplay\expandafter{\the\everydisplay \display@setup}% - \if@noskipsec \leavevmode \fi - \if@inlabel \leavevmode \global\@inlabelfalse \fi - \if\eq@group\else\eq@prelim\fi - \setkeys{breqn}{#1}% - \the\eqstyle - \eq@setnumber - \begingroup - \eq@setup@a - \eq@startup -} -\def\enddmath#1{\check@punct@or@qed} -\def\end@dmath{% - \gdef\EQ@setwdL{}% Occasionally undefined ??? - \eq@capture - \endgroup - \EQ@setwdL - \eq@measure - \if\eq@group \grp@push \else \eq@finish\fi -} -\newenvironment{dmath*}{% - \let\eq@hasNumber\@False \@optarg\@dmath{}% -}{} -\@namedef{end@dmath*}{\end@dmath} -\@namedef{enddmath*}#1{\check@punct@or@qed} -\def\eq@prelim{% - \if@inlabel \indent \par \fi - \if@nobreak \global\@nobreakfalse \predisplaypenalty\@M \fi - \everypar\@emptytoks - \noindent - \eq@nulldisplay - \par %% \eq@saveparinfo %% needs work - \let\intertext\breqn@intertext -} -\def\breqn@parshape@warning{% - \PackageWarning{breqn}{% - Complex paragraph shape cannot be followed by this equation}% -} -\let\eq@prevshape\@empty -\def\eq@saveparinfo{% - \count@\prevgraf \advance\count@-\thr@@ % for the null display - \edef\eq@prevshape{\prevgraf\the\count@\space}% - \ifcase\parshape - % case 0: no action required - \or \edef\eq@prevshape{\eq@prevshape - \parshape\@ne\displayindent\displaywidth\relax - }% - \else - \breqn@parshape@warning - \fi -} -\def\eq@setnumber{% - \eq@wdNum\z@ - \if\eq@hasNumber - \ifx\eq@number\@empty - \stepcounter{equation}\let\eq@number\theequation - \fi - % This sets up numbox, etc, even if unnumbered????? - \ifx\eq@number\@empty - \else - \set@label{equation}\eq@number - \global\sbox\EQ@numbox{% - \next@label \global\let\next@label\@empty - \eqnumcolor\eqnumsize\eqnumfont{\eqnumform{\eq@number}}% - }% - \global\eq@wdNum\wd\EQ@numbox\global\advance\eq@wdNum\eqnumsep - \fi - \fi -} -\newcount\eq@final@linecount -\let\eq@GRP@first@dmath\@True -\def\eq@finish{% - \begingroup - \if F\eq@frame\else - \freeze@glue\eqlinespacing \freeze@glue\eqlineskip - \fi - \csname eq@\eqindent @setsides\endcsname % Compute \leftskip,\rightskip - \adjust@parshape\eq@parshape% Final adjustment of parshape for left|right skips - \if\eq@group - \if\eq@GRP@first@dmath - \global\let\eq@GRP@first@dmath\@False - \xdef\dmath@first@leftskip{\leftskip=\the\leftskip\relax}% - \else - \eq@topspace{\vskip\parskip}% Set top spacing - \fi - \else - \eq@topspace{\vskip\parskip}% Set top spacing - \fi - \afterassignment\remove@to@nnil - \eq@final@linecount=\expandafter\@gobble\eq@parshape\@nnil - \if\eq@hasNumber - \if\eq@shiftnumber - \csname eq@typeset@\eqnumside Shifted\endcsname - \else - \ifnum\eq@final@linecount=\@ne - \csname eq@typeset@\eqnumside @single\endcsname - \else - \csname eq@typeset@\eqnumside\eqnumplace\endcsname - \fi - \fi - \else - \eq@typeset@Unnumbered - \fi - \endgroup - \eq@botspace -} -\def\eq@typeset@L@single{% - \nobreak - \eq@params\eq@parshape - \nointerlineskip\noindent - \add@grp@label - \rlap{\kern-\leftskip\box\EQ@numbox}% - \if F\eq@frame - \else - \rlap{\raise\eq@firstht\hbox to\z@{\eq@addframe\hss}}% - \fi - \eq@dump@box\unhbox\EQ@box \@@par -} -\def\eq@typeset@R@single{% - \nobreak - \eq@params\eq@parshape - \nointerlineskip\noindent - \add@grp@label - \if F\eq@frame - \else - \rlap{\raise\eq@firstht\hbox to\z@{\eq@addframe\hss}}% - \fi - \rlap{\kern-\leftskip\kern\linewidth\kern-\wd\EQ@numbox\copy\EQ@numbox}% - \eq@dump@box\unhbox\EQ@box - \@@par -} -\def\peek@branch#1#2{% - \let\peek@b#1\let\peek@space#2\futurelet\@let@token\peek@a -} -\def\peek@skipping@spaces#1{\peek@branch#1\peek@skip@space} -\def\peek@a{% - \ifx\@let@token\@sptoken \expandafter\peek@space - \else \expandafter\peek@b\fi -} -\lowercase{\def\peek@skip@space} {\futurelet\@let@token\peek@a}% -\def\check@punct{\futurelet\@let@token\check@punct@a} -\def\check@punct@a{% - \edef\@tempa{% - \ifx\@let@token\@sptoken\@nx\finish@end - \else\ifx\@let@token ,\@nx\check@qed - \else\ifx\@let@token .\@nx\check@qed - \else\check@punct@b % check the less common possibilities - \fi\fi\fi - }% - \@tempa -} -\begingroup -\toks@a{% - \ifx\@let@token ;\@nx\check@qed - \else\ifx\@let@token ?\@nx\check@qed - \else\ifx\@let@token !\@nx\check@qed -} -\toks@c{\fi\fi\fi}% matching with \toks@a -\catcode`\.=\active \catcode`\,=\active \catcode`\;=\active -\catcode`\?=\active \catcode`\!=\active -\toks@b{% - \else\ifx\@let@token ,\@nx\check@qed - \else\ifx\@let@token .\@nx\check@qed - \else\ifx\@let@token ;\@nx\check@qed - \else\ifx\@let@token ?\@nx\check@qed - \else\ifx\@let@token !\@nx\check@qed - \else\@nx\finish@end - \fi\fi\fi\fi\fi -} -\xdef\check@punct@b{% - \the\toks@a\the\toks@b\the\toks@c -} -\endgroup -\let\found@punct\@empty -\def\check@qed#1{% - \gdef\found@punct{#1}% - \peek@skipping@spaces\check@qed@a -} -\def\check@qed@a{% - \ifx\end\@let@token \@xp\check@qed@b - \else \@xp\finish@end - \fi -} -\def\check@qed@b#1#2{% - \@ifundefined{#2qed}{}{% - \toks@\@xp{\found@punct\csname#2qed\endcsname}% - \xdef\found@punct{\the\toks@}% - }% - \finish@end - \end{#2}% -} -\def\@tempa#1\endcsname#2\@nil{\def\latex@end##1{#2}} -\expandafter\@tempa\end{#1}\@nil -\def\end#1{\csname end#1\endcsname \latex@end{#1}}% -\def\check@punct@or@qed#1{% - \xdef\found@punct{\@empty}% BRM: punctuation was being remembered past this eqn. - % WSPR: err, why isn't that just \global\let\found@punct\@empty ? - \def\finish@end{\csname end@#1\endcsname\latex@end{#1}}% - \check@punct -} -\newcommand\eqpunct[1]{\thinspace#1} -\providecommand\set@label[2]{\protected@edef\@currentlabel{#2}} -\def\eq@topspace#1{% - \begingroup - \global\let\EQ@shortskips\@False - \if\@And{\eq@group}{\@Not\eq@GRP@first@dmath}% - \parskip\intereqskip \penalty\intereqpenalty - \else - \eq@check@shortskip - \if\EQ@shortskips - \parskip\abovedisplayshortskip - \aftergroup\belowdisplayskip\aftergroup\belowdisplayshortskip - \ifdim\predisplaysize>\z@\nointerlineskip\fi - \else - \parskip\abovedisplayskip - \fi - \fi - \if F\eq@frame - \else - \addtolength\parskip{\eq@framesep+\eq@framewd}% - \fi - #1% - \endgroup -} -\def\eq@check@shortskip {% - \global\let\EQ@shortskips\@False - \setlength\dim@a{\abovedisplayskip+\ht\EQ@numbox}% - \ifdim\leftskip<\predisplaysize - \else - \ifdim -\maxdimen=\predisplaysize - \else - \if R\eqnumside - \global\let\EQ@shortskips\@True - \else - \if\eq@shiftnumber - \else - \if T\eqnumplace - \ifdim\dim@a<\eq@firstht - \global\let\EQ@shortskips\@True - \fi - \else - \setlength\dim@b{\eq@vspan/2}% - \ifdim\dim@a<\dim@b - \global\let\EQ@shortskips\@True - \fi - \fi - \fi - \fi - \fi - \fi -} -\def\eq@botspace{% - \penalty\postdisplaypenalty - \if F\eq@frame - \else - \addtolength\belowdisplayskip{\eq@framesep+\eq@framewd}% - \fi - \vskip\belowdisplayskip - \@endpetrue % kill parindent if current paragraph continues - \global\@ignoretrue % ignore following spaces - \eq@resume@parshape -} -\def\eq@resume@parshape{} -\def\eq@startup{% - \global\let\EQ@hasLHS\@False - \setbox\z@\vbox\bgroup - \noindent \@@math \displaystyle - \penalty-\@Mi -} -\def\eq@setup@a{% - \everymath\everydisplay - %\let\@newline\eq@newline % future possibility? - \let\\\eq@newline - \let\insert\eq@insert \let\mark\eq@mark \let\vadjust\eq@vadjust - \hsize\maxdimen \pretolerance\@M - \linepenalty\@m - \rightskip\z@\@plus\@M\p@ \leftskip\z@skip \parfillskip\z@skip - \clubpenalty\@ne \widowpenalty\z@ \interlinepenalty\z@ - \global\let\EQ@prebin@space\relax - \binoppenalty\@M \relpenalty\@M -} -\newdimen\eq@wdR\eq@wdR\z@%BRM -\def\eq@capture{% - \ifnum\lastpenalty>-\@M \penalty-\@Mi \fi - \keep@glue\@@endmath - \eq@addpunct - \@@par - \eq@wdL\z@ - \setbox\tw@\lastbox - \global\setbox\EQ@box\hbox{\unhbox\tw@\unskip\unskip\unpenalty}% - \unskip\unpenalty - \global\setbox\EQ@copy\copy\EQ@box -%% \global\setbox\EQ@vimcopy\copy\EQ@vimbox - \clubpenalty\z@ - \eq@wdR\z@%BRM: eq@wdL patch - \eq@repack % recursive - \setbox\tw@\lastbox - \global\setbox\EQ@box\hbox{\unhcopy\tw@\unskip\unpenalty \unhbox\EQ@box}% - \global\setbox\EQ@copy\hbox{\unhbox\tw@\unskip\unpenalty \unhbox\EQ@copy}% - \ifdim\eq@wdR>\z@% BRM: eq@wdL patch - \setlength\dim@a{\wd\EQ@box-\eq@wdR - % Apparently missing a \thickmuskip = 5mu = 5/18em=0.27777777777.. ? - + 0.2777777777777em}% FUDGE??!?!?! - \ifdim\dim@a>\eq@wdL - \eq@wdL\dim@a - \xdef\EQ@setwdL{\eq@wdL\the\eq@wdL\relax}% - \fi - \fi - \egroup % end vbox started earlier -} -\def\eq@addpunct{% - \ifx\found@punct\@empty - \else \eqpunct{\found@punct}% - \fi - % BRM: Added; the punctuation kept getting carried to following environs - \xdef\found@punct{\@empty}% - \EQ@afterspace -} -\global\let\EQ@afterspace\@empty -\def\eq@repack{% - \ifcase\lastpenalty - % case 0: normal case - \setbox\tw@\lastbox - \eq@repacka\EQ@copy \eq@repacka\EQ@box - \unskip - \or % case 1: finished recursing - \unpenalty - \setbox\tw@\lastbox - \eq@repacka\EQ@copy \eq@repacka\EQ@box - \@xp\@gobble - \or % case 2: save box width = LHS width - \unpenalty - \setbox\tw@\lastbox - \setbox\z@\copy\tw@ \setbox\z@\hbox{\unhbox\z@\unskip\unpenalty}% - \addtolength\eq@wdL{\wd\z@} - \setlength\eq@wdR{\wd\EQ@box}% BRM: eq@wdL patch - \xdef\EQ@setwdL{\eq@wdL\the\eq@wdL\relax}% - \global\setbox\EQ@copy\hbox{% - \hbox{\unhcopy\tw@\unskip\unpenalty\unskip}% - \box\EQ@copy - }% - \global\setbox\EQ@box\hbox{% - \hbox{\unhbox\tw@\unskip\unpenalty\unskip}% - \box\EQ@box - }% - \unskip - \or % case 3: unpack left-right box - \unpenalty - \eq@lrunpack - \else - \breqn@repack@err - \fi - \eq@repack % RECURSE -} -\def\breqn@repack@err{% - \PackageError{breqn}{eq@repack penalty neq 0,1,2,3}\relax -} -\def\eq@repacka#1{% - \global\setbox#1\hbox{\unhcopy\tw@ \unskip - \count@-\lastpenalty - \ifnum\count@<\@M \else \advance\count@-\@M \fi - \unpenalty - \ifx\EQ@copy#1\ifnum\count@>\thr@@ \count@\@ne\fi\fi - \ifcase\count@ - % case 0, normal line break - \penalty-\@M % put back the linebreak penalty - \or % case 1, do nothing (end of equation) - \relax - \or % case 2, no-op (obsolete case) - \or % case 3, transfer vspace and/or penalty - \ifx#1\EQ@box \eq@revspace \else \eq@revspaceb \fi - \or % case 4, put back an insert - \eq@reinsert - \or % case 5, put back a mark - \eq@remark - \or % case 6, put back a vadjust - \eq@readjust - \else % some other break penalty - \penalty-\count@ - \fi - \unhbox#1}% -} -\def\eq@nulldisplay{% - \begingroup \frozen@everydisplay\@emptytoks - \@@display - \predisplaypenalty\@M \postdisplaypenalty\@M - \abovedisplayskip\z@skip \abovedisplayshortskip\z@skip - \belowdisplayskip\z@skip \belowdisplayshortskip\z@skip - \xdef\EQ@displayinfo{% - \prevgraf\the\prevgraf \predisplaysize\the\predisplaysize - \displaywidth\the\displaywidth \displayindent\the\displayindent - \listwidth\the\linewidth - \ifdim\displayindent>\z@ - \advance\listwidth\the\leftmargin - \advance\listwidth\the\rightmargin - \fi - \relax}% - \halign{##\cr}% - \@@enddisplay - \par - \endgroup - \EQ@displayinfo -} -\def\eq@newline{% - \@ifstar{\eq@newlinea\@M}{\eq@newlinea\eqinterlinepenalty}} -\def\eq@newlinea#1{% - \@ifnext[{\eq@newlineb{#1}}{\eq@newlineb{#1}[\maxdimen]}} -\def\eq@newlineb#1[#2]{\penalty-\@M} -\def\eq@revspace{% - \global\setbox\EQ@vimbox\vbox{\unvbox\EQ@vimbox - \unpenalty - \global\setbox\@ne\lastbox}% - \@@vadjust{\unvbox\@ne}% - \penalty-\@M -} -\def\eq@revspaceb{% - \global\setbox\EQ@vimcopy\vbox{\unvbox\EQ@vimcopy - \unpenalty - \global\setbox\@ne\lastbox}% - \@@vadjust{\unvbox\@ne}% - \penalty-\@M -} -\def\eq@break#1{\penalty-1000#1 \keep@glue} -\let\@parshape\@empty -\def\eq@measure{% - \ifdim\eq@indentstep=\maxdimen \eq@indentstep\eqindentstep \fi - \ifdim\eq@linewidth=\z@ \else \edef\eq@linewidths{{\the\eq@linewidth}}\fi - \begingroup \eq@params - \leftskip\z@skip - \rightskip\z@\@plus\columnwidth\@minus\hfuzz - \global\EQ@continue{\eq@trial}% - \eq@trial % uses \eq@linewidths - \eq@failout % will be a no-op if the trial succeeded - \endgroup - \EQ@trial -} -\let\EQ@trial\@empty -\newtoks\EQ@continue -\let\EQ@widths\@empty -\let\EQ@fallback\@empty -\def\eq@linewidths{\displaywidth\linewidth\columnwidth} -\def\eq@trial{% - \ifx\@empty\eq@linewidths - \global\EQ@continue{}% - \else - \iffalse{\fi \@xp\eq@trial@a \eq@linewidths}% - \fi - \the\EQ@continue -} -\def\eq@trial@a#1{% - \dim@c#1\relax - \if T\eq@frame \eq@frame@adjust\dim@c \fi - \ifdim\dim@c>\eq@linewidth - \eq@linewidth\dim@c - \let\eq@trial@b\eq@trial@d - \csname eq@try@layout@\eq@layout\endcsname - \fi - \edef\eq@linewidths{\iffalse}\fi -} -\def\eq@frame@adjust#1{% - %\addtolength#1{-2\eq@framewd-2\eq@framesep}% - \dim@a\eq@framewd \advance\dim@a\eq@framesep - \advance#1-2\dim@a -} -\def\eq@trial@succeed{% - \aftergroup\@gobbletwo % cancel the \EQ@fallback code; see \eq@trial@c (?) - \global\EQ@continue{\eq@trial@done}% -} -\def\eq@trial@done{% - \let\eq@failout\relax -} -\def\eq@trial@init{\global\let\EQ@fallback\eq@nextlayout} -\def\eq@nextlayout#1{% - \endgroup - \begingroup #1% -} -\def\eq@failout{% - \global\let\EQ@trial\EQ@last@trial -} -\def\eq@trial@save#1{% - \xdef#1{% - \eq@linewidth\the\eq@linewidth - % save info about the fit - \eq@lines\the\eq@lines \eq@badness\the\eq@badness \def\@nx\eq@badline{\eq@badline}% - % save size info - \eq@wdT\the\eq@wdT \eq@wdMin\the\eq@wdMin - \eq@vspan\the\eq@vspan \eq@dp\the\eq@dp \eq@firstht\the\eq@firstht - % save info about the LHS - \eq@wdL\the\eq@wdL \def\@nx\EQ@hasLHS{\EQ@hasLHS}% - % save info about the numbering - \def\@nx\eq@hasNumber{\eq@hasNumber}% - % save info about the chosen layout - \def\@nx\eq@layout{\eq@layout}% - \def\@nx\eq@parshape{\@parshape}% - \def\@nx\eq@measurements{\eq@measurements}% - \def\@nx\adjust@rel@penalty{\adjust@rel@penalty}% - \def\@nx\eq@shiftnumber{\eq@shiftnumber}% - \def\@nx\eq@isIntertext{\@False}% - }% -} -\def\eq@trial@b{\eq@trial@c} -\def\eq@trial@c#1#2{% - \begingroup - \eq@trial@init - \def\eq@layout{#1}% - \setbox\z@\vbox{% - \hfuzz\maxdimen - \eq@trial@p % run the given parshape - \if\@Not{\eq@badline}% - \eq@trial@save\EQ@trial - \if\eq@hasNumber\eq@retry@with@number\fi - \if L\eq@layout \eq@check@density - \else - \if\@Not{\eq@badline}% - \eq@trial@succeed - \fi - \fi - \else - \eq@trial@save\EQ@last@trial - \fi - }% - \EQ@fallback{#2}% - \endgroup -} -\def\eq@trial@d#1#2{\eq@trial@c{#1}{}} -\def\eq@check@density{% - \if\@Or{\@Not\EQ@hasLHS}{\eq@shortLHS}% - \eq@trial@succeed - \else\if\eq@dense@enough - \eq@trial@succeed - \fi\fi -} -\def\eq@shortLHS{\ifdim\eq@wdL>.44\eq@wdT 1\else 0\fi 0} -\def\eq@trial@p{% - \@parshape % - \eq@dump@box\unhcopy\EQ@copy - {\@@par}% leave \parshape readable - \eq@lines\prevgraf - \eq@fix@lastline - \let\eq@badline\@False - \if i\eq@layout \ifnum\eq@lines>\@ne \let\eq@badline\@True \fi\fi - \eq@curline\eq@lines % loop counter for eq@measure@lines - \let\eq@measurements\@empty - \eq@ml@record@indents - \eq@measure@lines - \eq@recalc -} -\let\adjust@rel@penalty\@empty -\def\eq@fix@lastline{% - \setbox\tw@\lastbox \dim@b\wd\tw@ - \eq@dp\dp\tw@ - \nointerlineskip\hbox to\dim@b{\unhbox\tw@ - \skip@c\lastskip \unskip\unskip\hskip\skip@c - }% -} -\def\eq@recalc{% - \eq@wdT\z@ \eq@wdMin\maxdimen \eq@vspan\z@skip \eq@badness\z@ - \let\@elt\eq@recalc@a \eq@measurements \let\@elt\relax -} -\def\eq@recalc@a#1x#2+#3\@endelt{% - \eq@firstht#2\relax - \let\@elt\eq@recalc@b - \@elt#1x#2+#3\@endelt -} -\def\eq@recalc@b#1X#2,#3x#4+#5@#6\@endelt{% - \setlength\dim@a{#2+#3}% - \ifdim\dim@a>\eq@wdT \eq@wdT\dim@a \fi - \ifdim\dim@a<\eq@wdMin \eq@wdMin\dim@a \fi - \eq@dp#5\relax - \addtolength\eq@vspan{#1+#4+\eq@dp}% - \ifnum#6>\eq@badness \eq@badness#6\relax\fi -} -\def\eq@layout{?} -\@namedef{eq@try@layout@?}{% - \let\eq@trial@b\eq@trial@c - \edef\@parshape{\parshape 1 0pt \the\eq@linewidth\relax}% - \setlength\dim@a{\wd\EQ@copy-2em}% Fudge; can't shrink more than this? - % if we're in a numbered group, try hard to fit within the numbers - \dim@b\eq@linewidth - \if\eq@shiftnumber\else\if\eq@group - \if\eq@hasNumber\addtolength\dim@b{-\wd\EQ@numbox-\eqnumsep}% - \else\if\grp@hasNumber\addtolength\dim@b{-\wd\GRP@numbox-\eqnumsep}% - \fi\fi\fi\fi - \ifdim\dim@a<\dim@b% Do we even have a chance of fitting to one line? - \setlength\dim@b{\columnwidth-\dim@a+\eq@wdCond}% - \rightskip\z@\@plus\dim@b\@minus\hfuzz - \eq@trial@b{i}{\eq@try@layout@multi}% - \else - \eq@try@layout@multi - \fi -} -\def\eq@try@layout@multi{% - \if\EQ@hasLHS - \ifdim\eq@wdL>\eq@linewidth - \setlength\dim@a{\wd\EQ@copy-\eq@wdL}% - \ifdim\dim@a<.25\eq@linewidth \eq@try@layout@S - \else \eq@try@layout@l - \fi - % BRM: Originally .7: Extreme for L since rhs has to wrap within the remaining 30+%! - \else\ifdim\eq@wdL>.50\eq@linewidth - \eq@try@layout@D - \else - \eq@try@layout@L - \fi\fi - \else - \eq@try@layout@S % (already checked case i) - \fi -} -\def\eq@try@layout@D{% - \setlength\dim@a{\eq@linewidth -\eq@indentstep}% - \edef\@parshape{\parshape 2 - 0pt \the\eq@wdL\space \the\eq@indentstep\space \the\dim@a\relax - }% - \def\adjust@rel@penalty{\penalty-99 }% - \eq@trial@b{D}{\eq@try@layout@A}% -} -\def\eq@try@layout@L{% - \setlength\dim@b{\eq@linewidth-\eq@wdL}% - \edef\@parshape{\parshape 2 0pt \the\eq@linewidth\space - \the\eq@wdL\space \the\dim@b\relax - }% - \eq@trial@b{L}{\eq@try@layout@D}% -} -\def\eq@try@layout@S{% - \setlength\dim@b{\eq@linewidth-2\eqmargin}% \advance\dim@b-1em% - \int@a\wd\EQ@copy \divide\int@a\dim@b - \addtolength\dim@b{-\int@a\eq@indentstep}% - \if\eq@hasNumber - \ifdim\dim@b>15em% - \addtolength\dim@b{-\eq@wdNum}% - \fi - \fi - \int@b\z@ - \def\@tempa{\dim}% - \edef\@parshape{\parshape 2 0pt \the\dim@b\space - \the\eqmargin\space\the\dim@b\relax}% - \eq@trial@b{S}{\eq@try@layout@A}% -} -\def\eq@try@layout@l{% - \setlength\dim@a{\eq@linewidth -\eq@indentstep}% - \int@a\eq@wdL \divide\int@a\dim@a - \advance\int@a\tw@ - \edef\@parshape{\parshape \number\int@a\space - 0pt \the\eq@linewidth - }% - \advance\int@a-\tw@ - \setlength\dim@b{2\eq@indentstep}% - \setlength\dim@c{\eq@linewidth -\dim@b}% - \edef\@parshape{\@parshape - \replicate{\int@a}{\space\the\eq@indentstep\space\the\dim@a}% - \space\the\dim@b\space\the\dim@c\relax - }% - \eq@trial@b{l}{\eq@try@layout@A}% -} -\def\eq@try@layout@A{% - \edef\@parshape{\parshape 1 0pt \the\eq@linewidth\relax}% - \if\EQ@hasLHS \def\adjust@rel@penalty{\penalty-99 }\fi - \eq@trial@b{A}{}% -} -\let\eq@shiftnumber\@False -\def\eq@retry@with@number{% - \if\eq@shiftnumber - \else - \ifdim\eq@wdCond>\z@\if R\eqnumside - \let\eq@shiftnumber\@True - \fi\fi - \dim@b\eq@wdNum - \if L\eqnumside - \ifdim\@totalleftmargin>\dim@b\dim@b\@totalleftmargin\fi - \else - \addtolength\dim@b{\@totalleftmargin}% - \fi - \setlength\dim@a{\eq@linewidth-\dim@b}%\advance\dim@a1em\relax% Allowance for shrink? - \int@a\@ne\if\eq@group\int@a\maxint\fi - \if\eq@shiftnumber % Already know we need to shift - \else\ifdim\eq@wdT<\dim@a % Fits! - \else - \setlength\leftskip{\eq@wdNum}% - \setlength\rightskip{\z@\@plus\dim@a}% - \adjust@parshape\@parshape - \nointerlineskip - \edef\eq@prev@lines{\the\eq@lines}% - \edef\eq@prev@badness{\the\eq@badness}% BRM - \eq@trial@p - \int@a\eq@prev@badness\relax\advance\int@a 50\relax%? - \int@b\eq@prev@lines \if\eq@group\advance\int@b\@ne\fi% Allow 1 extra line in group - \ifnum\eq@lines>\int@b % \eq@prev@lines - \let\eq@shiftnumber\@True - \else\if\eq@badline - \let\eq@shiftnumber\@True - \else\ifnum\eq@badness>\int@a % BRM: New case - \let\eq@shiftnumber\@True - \else - \fi\fi%\fi - \fi\fi\fi - \if\eq@shiftnumber - \EQ@trial% Restore parshape & other params, - \leftskip\z@\let\eq@shiftnumber\@True % But set shift & leftskip - \edef\@parshape{\eq@parshape}% And copy saved parshape back to `working copy' !?!? - \fi - \eq@trial@save\EQ@trial % Either way, save the trial state. - \fi -} -\def\adjust@parshape#1{% - \@xp\adjust@parshape@a#1\relax - \edef#1{\temp@a}% -} -\def\adjust@parshape@a#1 #2\relax{% - \setlength\dim@a{\leftskip+\rightskip}% - \edef\temp@a{#1}% - \adjust@parshape@b#2 @ @ \relax -} -\def\adjust@parshape@b#1 #2 {% - \ifx @#1\edef\temp@a{\temp@a\relax}% - \@xp\@gobble - \else - \dim@b#1\relax - \dim@c#2\relax - \addtolength\dim@c{\dim@a+\dim@b}% - \ifdim\dim@c>\eq@linewidth\setlength\dim@c{\eq@linewidth}\fi - \addtolength\dim@c{-\dim@b}% - \edef\temp@a{\temp@a\space\the\dim@b\space\the\dim@c}% - \fi - \adjust@parshape@b -} -\def\eq@ml@record@indents{% - \int@a\z@ - \def\@tempa{% - \advance\int@a\@ne - \@xp\edef\csname eq@i\number\int@a\endcsname{\the\dim@a}% - \ifnum\int@a<\int@b \afterassignment\@tempb \fi - \dim@a - }% - \def\@tempb{\afterassignment\@tempa \dim@a}% - \def\@tempc##1##2 {\int@b##2\afterassignment\@tempa\dim@a}% - \@xp\@tempc\@parshape -} -\chardef\@endelt=`\? -\def\eq@measurements{% - \@elt 4.5pt/5.0pt,66.0ptx6.8pt+2.4pt@27\@endelt - ... -} -\def\eq@measure@lines{% - \let\eq@ml@continue\eq@measure@lines - \setbox\tw@\lastbox \dim@b\wd\tw@ % find target width of line - \setbox\z@\hbox to\dim@b{\unhbox\tw@}% check for overfull - \eq@badness\badness - \ifnum\eq@badness<\inf@bad \else \let\eq@badline\@True \fi - \eq@ml@a \eq@ml@continue -} -\def\eq@ml@a{% - \setbox\tw@\hbox{\unhbox\z@ \unskip}% find natural width - \ifdim\dim@b<\wd\tw@ \setlength\dim@a{\dim@b}% shrunken line - \else \setlength\dim@a{\wd\tw@}% OK to use natural width - \fi - \addtolength\dim@a{-\leftskip}% BRM: Deduct the skip if we're retrying w/number - \skip@a\lastskip \unskip \unpenalty - \ifdim\skip@a=\z@ - \let\eq@ml@continue\relax % end the recursion - \else - % Sum repeated vskips if present - \def\@tempa{% - \ifdim \lastskip=\z@ - \else \addtolength\skip@a{\lastskip}\unskip\unpenalty \@xp\@tempa - \fi - }% - \fi - \edef\eq@measurements{\@elt - \the\skip@a\space X% extra space to facilitate extracting only the - % dimen part later - \csname eq@i% - \ifnum\eq@curline<\parshape \number\eq@curline - \else\number\parshape - \fi - \endcsname,\the\dim@a x\the\ht\tw@+\the\dp\tw@ @\the\eq@badness\@endelt - \eq@measurements - }% - \advance\eq@curline\m@ne - \ifnum\eq@curline=\z@ \let\eq@ml@continue\relax\fi -} -\def\eq@ml@vspace{% - \global\advance\eq@vspan\lastskip \unskip\unpenalty - \ifdim\lastskip=\z@ \else \@xp\eq@ml@vspace \fi -} -\def\eq@dense@enough{% - \ifnum\eq@lines<\thr@@ - \@True - \else - \ifdim\eq@wdL >.7\eq@wdT - \@False - \else \@xp\@xp\@xp\eq@dense@enough@a - \fi - \fi -} -\def\true@true@true {\fi\fi\iftrue \iftrue \iftrue } -\def\true@false@true {\fi\fi\iftrue \iffalse\iftrue } -\def\false@true@false {\fi\fi\iffalse\iftrue \iffalse} -\def\false@false@false{\fi\fi\iffalse\iffalse\iffalse} -\def\eq@density@factor{.475} -\def\eq@dense@enough@a{% - \@True \fi - \ifnum\eq@lines>\sixt@@n - \eq@dense@enough@b - \else - \dim@b\z@ \let\@elt\eq@delt \eq@measurements - \dim@c\eq@density@factor\eq@wdT \multiply\dim@c\eq@lines - \ifdim\dim@b>\dim@c \true@false@true \else \false@false@false \fi - \fi -} -\def\eq@delt#1X#2,#3x#4+#5@#6\@endelt{\addtolength\dim@b{#3}}% -\def\eq@dense@enough@b{% - \int@b\eq@wdT \divide\int@b\p@ - \dim@b\eq@wdL \divide\dim@b\int@b - \dim@c\eq@lines\p@ \multiply\dim@c\f@ur - \int@b\eq@lines \multiply\int@b 9 \advance\int@b -10% - \divide\dim@c\int@b - \ifdim\dim@b<\dim@c \true@true@true \else \false@true@false \fi -} -\let\eq@parshape\@empty -\def\eq@params{% - \baselineskip\eqlinespacing - \lineskip\eqlineskip \lineskiplimit\eqlineskiplimit - \clubpenalty\@M \widowpenalty\@M \interlinepenalty\eqinterlinepenalty - \linepenalty199 \exhyphenpenalty5000 % was 9999: make breaks at, eg. \* a bit easier. - \ifdim\hfuzz<\p@ \hfuzz\p@ \fi - \parfillskip\z@skip - \tolerance9999 \pretolerance\m@ne -} -\def\eq@dump@box#1#2{% - \noindent #1#2\setbox\f@ur\lastbox \setbox\tw@\lastbox - \if L\eq@layout \box\tw@ \else\unhbox\tw@\fi - \adjust@rel@penalty \unhbox\f@ur -} -\def\eq@typeset@Unnumbered{% - \eq@typeset@frame - \eq@typeset@equation -} -\def\eq@typeset@LM{% - \setlength\dim@a{(\eq@vspan+\ht\EQ@numbox-\dp\EQ@numbox)/2}% - \eq@typeset@leftnumber - \eq@typeset@frame - \eq@typeset@equation -} -\def\eq@typeset@LT{% - \dim@a\eq@firstht - \eq@typeset@leftnumber - \eq@typeset@frame - \eq@typeset@equation -} -\def\eq@typeset@LShifted{% - % place number - \copy\EQ@numbox \penalty\@M - \dim@a\eqlineskip - \if F\eq@frame\else - \setlength\dim@a{\eq@framesep+\eq@framewd}% - \fi - \kern\dim@a - \eq@typeset@frame - \eq@typeset@equation -} -\def\eq@typeset@RM{% - \setlength\dim@a{(\eq@vspan+\ht\EQ@numbox-\dp\EQ@numbox)/2}% - \eq@typeset@rightnumber - \eq@typeset@frame - \eq@typeset@equation -} -\def\eq@typeset@RB{% - % NOTE: is \eq@dp useful here - \setlength\dim@a{\eq@vspan-\ht\EQ@numbox-\dp\EQ@numbox}% - \eq@typeset@rightnumber - \eq@typeset@frame - \eq@typeset@equation -} -\def\eq@typeset@RShifted{% - % place number - \eq@typeset@frame - \eq@typeset@equation - \penalty\@M - \dim@a\eqlineskip - \if F\eq@frame\else - \addtolength\dim@a{\eq@framesep+\eq@framewd}% - \fi - \parskip\dim@a - \hbox to\hsize{\hfil\copy\EQ@numbox}\@@par% -} -\def\eq@C@setsides{% - % \dim@c = space for number, if any, and not shifted. - \dim@c\z@ - \if\eq@hasNumber\if\eq@shiftnumber\else - \dim@c\eq@wdNum - \fi\fi - % \dim@e = space for condition(on right), if any and formula is only a single line.(to center nicely) - % but only count it as being right-aligned if we're not framing, since the frame must enclose it. - \dim@e\z@ - \if F\eq@frame - \ifnum\eq@lines=\@ne\ifdim\eq@wdCond>\z@ - \setlength\dim@e{\eq@wdCond+\conditionsep}% - \fi\fi\fi - % \dim@b = minimum needed on left max(totalleftmargin, left number space) - \dim@b\z@ - \if L\eqnumside\ifdim\dim@b<\dim@c - \dim@b\dim@c - \fi\fi - \ifdim\dim@b<\@totalleftmargin - \dim@b\z@ - \else - \addtolength\dim@b{-\@totalleftmargin}% - \fi - % \dim@d = minimum needed on right max(condition, right number space) - \dim@d\dim@e - \if R\eqnumside\ifdim\dim@d<\dim@c - \dim@d\dim@c - \fi\fi - % \dim@a = left margin; initially half available space - % \dim@c = right margin; ditto - \setlength\dim@a{(\eq@linewidth-\eq@wdT+\dim@e+\@totalleftmargin)/2}% - \dim@c=\dim@a - % If too far to the left - \ifdim\dim@a<\dim@b - \addtolength\dim@c{\dim@a-\dim@b}% - \ifdim\dim@c<\z@\dim@c=\z@\fi - \dim@a=\dim@b - % Or if too far to the right - \else\ifdim\dim@c<\dim@d - \addtolength\dim@a{\dim@c-\dim@d}% - \ifdim\dim@a<\z@\dim@a=\z@\fi - \dim@c=\dim@d - \fi\fi - % Now, \dim@d,\dim@e is the left & right glue to center each line for centerlines - \setlength\dim@e{\eq@wdT-\eq@wdMin}\dim@d=\z@ - \dim@d\z@ - \if\eq@centerlines - \divide\dim@e2\relax - \dim@d=\dim@e - \fi - \setlength\leftskip{\dim@a\@plus\dim@d}% - \addtolength\dim@e{\dim@c}% - \setlength\rightskip{\z@\@plus\dim@e}%\@minus5\p@ - % Special case: if framing, reduce the stretchiness of the formula (eg. condition) - % Or if we have a right number, FORCE space for it - \dim@b\z@ - \if F\eq@frame\else - \dim@b\dim@c - \fi - \if\@And{\eq@hasNumber}{\@Not{\eq@shiftnumber}}% - \if R\eqnumside - \dim@c\eq@wdNum - \ifdim\dim@c>\dim@b - \dim@b\dim@c - \fi - \fi - \fi - % If either of those cases requires hard rightskip, move that part from glue. - \ifdim\dim@b>\z@ - \addtolength\dim@e{-\dim@c}% - \rightskip\dim@b\@plus\dim@e%\@minus5\p@ - \fi - % And peculiar further special case: in indented environs, width isn't where it would seem - \ifdim\eq@wdCond>\z@ - \addtolength\rightskip{-\@totalleftmargin}% - \fi - \parfillskip\z@skip -} -\def\eq@I@setsides{% - \leftskip\mathindent - \if\eq@shiftnumber - \setlength\dim@a{\eq@linewidth-\eq@wdT-\mathindent}% - \ifdim\dim@a<\z@ - \leftskip=\z@ % Or something minimal? - \fi - \fi - \dim@a=\z@ - \setlength\dim@b{\eq@linewidth-\leftskip-\eq@wdMin}% - \if F\eq@frame - \else - \setlength\dim@a{\eq@linewidth-\leftskip-\eq@wdT} - \addtolength\dim@b{-\dim@a}% - \fi - % Or force the space for right number, if needed - \if\@And{\eq@hasNumber}{\@Not{\eq@shiftnumber}}% - \if R\eqnumside - \dim@c=\eq@wdNum - \if\dim@c>\dim@a - \addtolength\dim@b{-\dim@c}% - \dim@a=\dim@c - \fi - \fi - \fi - \setlength\rightskip{\dim@a\@plus\dim@b \@minus\hfuzz }%\hfuzz\z@ - \parfillskip\z@skip -} -\def\eq@typeset@leftnumber{% - \setlength\skip@c{\dim@a-\ht\EQ@numbox}% - \vglue\skip@c% NON discardable - \copy\EQ@numbox \penalty\@M - \kern-\dim@a -} -\def\eq@typeset@rightnumber{% - \setlength\skip@c{\dim@a-\ht\EQ@numbox}% - \vglue\skip@c% NON discardable - \hbox to \hsize{\hfil\copy\EQ@numbox}\penalty\@M - \kern-\dim@a -} -\def\eq@typeset@equation{% - \nobreak - \eq@params\eq@parshape - \nointerlineskip\noindent - \add@grp@label - \eq@dump@box\unhbox\EQ@box\@@par -} -\newcommand\eqframe[2]{% - \begingroup - \fboxrule=\eq@framewd\relax\fboxsep=\eq@framesep\relax - \framebox{\z@rule\@height#2\kern#1}% - \endgroup -} -\def\eq@addframe{% - \hbox to\z@{% - \setlength\dim@a{\eq@framesep+\eq@framewd}% - \kern-\dim@a - \vbox to\z@{\kern-\dim@a - \hbox{\eqframe{\eq@wdT}{\eq@vspan}}% - \vss - }% - \hss - }% -} -\def\eq@typeset@frame{% - \if F\eq@frame\else - % Tricky: put before \noindent, so it's not affected by glue in \leftskip - \nobreak\nointerlineskip - \vbox to\eq@firstht{\moveright\leftskip\hbox to\z@{\eq@addframe\hss}\vss}% - \kern-\eq@firstht - \fi -} -\@saveprimitive\left\@@left -\@saveprimitive\right\@@right -\newcount\lr@level -\ExplSyntaxOn -\def\eq@left{% - \@ifnext .{\eq@nullleft}{\begingroup \let\math_delimiter:NNnNn \eq@left@a}% -} -\def\eq@right{% - \@ifnext .{\eq@nullright}{\begingroup \let \math_delimiter:NNnNn \eq@right@a}% -} -\def\eq@left@a#1#2#3#4#5#6{\endgroup - \@@left \math_delimiter:NNnNn #1#2{#3}#4{#5}\after@open} -\def\eq@right@a#1#2#3#4#5#6{\endgroup - \@@right \math_delimiter:NNnNn #1#2{#3}#4{#5}\after@close \ss@scan{#1#2{#3}#4{#5}}% -} -\ExplSyntaxOff -\def\eq@nullleft#1{\@@left#1\after@open} -\def\eq@nullright#1{\@@right#1\after@close} -\def\delim@reset{% - \let\after@open\relax \let\after@close\relax - \let\left\@@left \let\right\@@right -} -\@ifundefined{bBigg@}{% not defined - \let\big@size\p@ - \def\big{\bBigg@{8.5}}\def\Big{\bBigg@{11.5}}% - \def\bigg{\bBigg@{14.5}}\def\Bigg{\bBigg@{17.5}}% - \def\biggg{\bBigg@{20.5}}\def\Biggg{\bBigg@{23.5}}% -}{} -\def\bBigg@#1#2{% - {\delim@reset - \left#2% - \vrule\@height#1\big@size\@width-\nulldelimiterspace - \right. - }% -} -\def\bigl#1{\mathopen\big{#1}\after@open} -\def\Bigl#1{\mathopen\Big{#1}\after@open} -\def\biggl#1{\mathopen\bigg{#1}\after@open} -\def\Biggl#1{\mathopen\Bigg{#1}\after@open} -\def\bigggl#1{\mathopen\biggg{#1}\after@open} -\def\Bigggl#1{\mathopen\Biggg{#1}\after@open} - -\def\bigr#1{\mathclose\big{#1}\after@close} -\def\Bigr#1{\mathclose\Big{#1}\after@close} -\def\biggr#1{\mathclose\bigg{#1}\after@close} -\def\Biggr#1{\mathclose\Bigg{#1}\after@close} -\def\bigggr#1{\mathclose\biggg{#1}\after@close} -\def\Bigggr#1{\mathclose\Biggg{#1}\after@close} - -%% No change needed, I think. [mjd,1998/12/04] -%%\def\bigm{\mathrel\big} -%%\def\Bigm{\mathrel\Big} -%%\def\biggm{\mathrel\bigg} -%%\def\Biggm{\mathrel\Bigg} -%%\def\bigggm{\mathrel\biggg} -%%\def\Bigggm{\mathrel\Biggg} -\ExplSyntaxOn -\cs_set:Npn \math_dsym_DeL:Nn #1#2{\math_bsym_DeL:Nn #1{#2}\after@open} -\cs_set:Npn \math_dsym_DeR:Nn #1#2{\math_bsym_DeR:Nn #1{#2}\after@close} -\cs_set:Npn \math_dsym_DeB:Nn #1#2{\math_bsym_DeB:Nn #1{#2}\after@bidir} - -%%%%% -%%%%%\let\m@@DeL\m@DeL \let\m@@DeR\m@DeR \let\m@@DeB\m@DeB -%%%%%\def\d@@DeL#1#2#3{% -%%%%% \delimiter"4\@xp\delim@a\csname sd@#1#2#3\endcsname #1#2#3 \after@open -%%%%%} -%%%%%\def\d@@DeR#1#2#3{% -%%%%% \delimiter"5\@xp\delim@a\csname sd@#1#2#3\endcsname #1#2#3 \after@close -%%%%%} -%%%%%\def\d@@DeB#1#2#3{% -%%%%% \delimiter"0\@xp\delim@a\csname sd@#1#2#3\endcsname #1#2#3 \after@bidir -%%%%%} -%%BRM: These weren't defined, but apparently should be. -%%%%%%\let\m@@DeA\m@DeA\let\d@@DeA\m@DeA% -\let\after@bidir\@empty -\mathchardef\zero@bop=888 \relax -\mathchardef\bop@incr=4444 \relax -\def\after@open{% - \global\advance\lr@level\@ne - \prebinoppenalty\bop@incr \multiply\prebinoppenalty\lr@level - \advance\prebinoppenalty\zero@bop - \ifnum\eqbreakdepth<\lr@level - \cs_set_eq:NN \math_sym_Bin:Nn \math_isym_Bin:Nn %%%%%%\let\m@Bin\m@@Bin - \else - \eq@binoffset=\eqbinoffset - \advance\eq@binoffset\lr@level\eqdelimoffset plus1fill\relax - \def\dt@fill@cancel{\hskip\z@ minus1fill\relax}% - \fi - \penalty\@M % BRM: discourage break after an open fence? -} -\def\after@close{% - \global\advance\lr@level\m@ne - \prebinoppenalty\bop@incr \multiply\prebinoppenalty\lr@level - \advance\prebinoppenalty\zero@bop - \ifnum\eqbreakdepth<\lr@level - \else \cs_set_eq:NN \math_sym_Bin:Nn \math_dsym_Bin:Nn %%%%%%\let\m@Bin\d@@Bin - \fi - \ifnum\lr@level<\@ne \eq@binoffset=\eqbinoffset\relax \fi -} - -\ExplSyntaxOff - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -\let\subsup@flag=\count@ -\def\ss@delim@a@new#1#2#3#4#5{\xdef\right@delim@code{\number"#4#5}} -\def\ss@scan#1{% - \begingroup - \ss@delim@a@new #1% - \endgroup - \subsup@flag\@M \afterassignment\ss@scan@a \let\@let@token=} -\def\ss@scan@a{% - \let\breqn@next\ss@scan@b - \ifx\@let@token\sb \advance\subsup@flag\@ne\else - \ifx\@let@token\@@subscript \advance\subsup@flag\@ne\else - \ifx\@let@token\@@subscript@other \advance\subsup@flag\@ne\else - \ifx\@let@token\sp \advance\subsup@flag\tw@\else - \ifx\@let@token\@@superscript \advance\subsup@flag\tw@\else - \ifx\@let@token\@@superscript@other \advance\subsup@flag\tw@\else - \ss@finish - \let\breqn@next\relax - \fi\fi\fi\fi\fi\fi - \breqn@next\@let@token -} -\ExplSyntaxOn -\def\ss@scan@b#1#2{#1{% - %%%%%\let\m@Bin\m@@Bin \let\m@Rel\m@@Rel - \cs_set_eq:NN \math_sym_Bin:Nn \math_isym_Bin:Nn - \cs_set_eq:NN \math_sym_Rel:Nn \math_isym_Rel:Nn - #2}\afterassignment\ss@scan@a \let\@let@token=}% -\ExplSyntaxOff -\def\ss@finish{% - \@@vadjust{\penalty\thr@@}% - \penalty\right@delim@code \penalty-\subsup@flag \keep@glue -} -\def\eq@lrunpack{\setbox\z@\lastbox - \unskip \nointerlineskip - \noindent\unhbox\z@ \unskip - \subsup@flag-\lastpenalty \unpenalty - \xdef\right@delim@code{\number\lastpenalty}% - \unpenalty - \ifnum\subsup@flag>\@M - \advance\subsup@flag-\@M - \setbox\tw@\lastbox - \else \setbox\tw@\box\voidb@x - \fi - \setbox\z@\lastbox - \ifvoid\tw@ \unhbox\z@ - \else \lrss@reattach % uses \subsup@flag, box\z@, box\tw@ - \fi - \penalty-\@Mi\z@rule\@@par - \setbox\z@\lastbox \unskip\unpenalty -%%{\showboxbreadth\maxdimen\showboxdepth99\showlists}% -} -\dimendef\sub@depth=8 \dimendef\sup@base=6 -\dimendef\prelim@sub@depth=4 \dimendef\prelim@sup@base=2 -\def\sym@xheight{\fontdimen5\textfont\tw@} -\def\sup@base@one{\fontdimen13\textfont\tw@} -\def\sub@base@one{\fontdimen16\textfont\tw@} -\def\sub@base@two{\fontdimen17\textfont\tw@} -\def\sup@drop{\fontdimen18\scriptfont\tw@} -\def\sub@drop{\fontdimen19\scriptfont\tw@} -\providecommand{\mathaxis}{\fontdimen22\textfont\tw@} -\def\lrss@reattach{% - \begingroup - % "The TeXbook" Appendix G step 18: - \setlength\prelim@sup@base{\ht\z@-\sup@drop}% - \setlength\prelim@sub@depth{\dp\z@ +\sub@drop}% - \unhbox\z@ - \ifcase\subsup@flag % case 0: this can't happen - \or \lr@subscript % case 1: subscript only - \or \lr@superscript % case 2: superscript only - \else \lr@subsup % case 3: sub and superscript both - \fi - \endgroup -} -\def\lr@subscript{% - \sub@depth\sub@base@one - \ifdim\prelim@sub@depth>\sub@depth \sub@depth\prelim@sub@depth\fi - \setlength\dim@a{\ht\tw@ -.8\sym@xheight}% - \ifdim\dim@a>\sub@depth \sub@depth=\dim@a \fi - \twang@adjust\sub@depth - \lower\sub@depth\box\tw@ -} -\def\lr@superscript{% - \sup@base\sup@base@one - \ifdim\prelim@sup@base>\sup@base \sup@base\prelim@sup@base\fi - \setlength\dim@a{\dp\tw@ -.25\sym@xheight}% - \ifdim\dim@a>\sup@base \sup@base\dim@a \fi - \twang@adjust\sup@base - \raise\sup@base\box\tw@ -} -\def\lr@subsup{% - \sub@depth\sub@base@two - \ifdim\prelim@sub@depth>\sub@depth \sub@depth\prelim@sub@depth \fi - \twang@adjust\sub@depth - \lower\sub@depth\box\tw@ -} -\def\twang@adjust#1{% - \begingroup - \@ifundefined{twang@\right@delim@code}{}{% - \setlength\dim@d{#1-\mathaxis}% - % put an upper limit on the adjustment - \ifdim\dim@d>1em \dim@d 1em \fi - \kern\csname twang@\right@delim@code\endcsname\dim@d - }% - \endgroup -} -\newcommand{\DeclareTwang}[2]{% - \ifcat.\@nx#1\begingroup - \lccode`\~=`#1\lowercase{\endgroup \DeclareTwang{~}}{#2}% - \else - \@xp\decl@twang#1?\@nil{#2}% - \fi -} -\def\decl@twang#1#2#3#4#5#6#7\@nil#8{% - \@namedef{twang@\number"#4#5#6}{#8}% -} -\DeclareTwang{\rangle}{-.4} -\DeclareTwang{)}{-.33} -\DeclareTwang{\rbrace}{-.25} -\newenvironment{dseries}{\let\eq@hasNumber\@True \@optarg\@dseries{}}{}% -\def\enddseries#1{\check@punct@or@qed}% -\newenvironment{dseries*}{\let\eq@hasNumber\@False \@optarg\@dseries{}}{}% -\@namedef{enddseries*}#1{\check@punct@or@qed}% -\@namedef{end@dseries*}{\end@dseries}% -\def\@dseries[#1]{% - \let\display@setup\dseries@display@setup - % Question: should this be the default for dseries??? - \global\eq@wdCond\z@ - \@dmath[layout={M},#1]% - \mathsurround\z@\@@math \penalty\@Mi - \let\endmath\ends@math - \def\premath{% - \ifdim\lastskip<.3em \unskip - \else\ifnum\lastpenalty<\@M \dquad\fi\fi -}% - \def\postmath{\unpenalty\eq@addpunct \penalty\intermath@penalty \dquad \@ignoretrue}% -\ignorespaces -} -\def\end@dseries{% - \unskip\unpenalty - \@@endmath \mathsurround\z@ \end@dmath -} -\def\eq@try@layout@M{% - \edef\@parshape{\parshape 1 0pt \the\eq@linewidth\relax}% - \eq@trial@b{M}{}% -} -\def\intermath@penalty{-221}% -\newcommand\dquad{\hskip0.6em minus.3em} -\newcommand\premath{}\newcommand\postmath{} -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -\renewenvironment{math}{% - \leavevmode \premath - \ifmmode\@badmath\else\@@math\fi -}{% - \ifmmode\@@endmath\else\@badmath\fi -} -\def\ends@math#1{\check@punct@or@qed} -\def\end@math{% - \ifmmode\@@endmath\else\@badmath\fi - \postmath -} -\let\eq@group\@False -\let\grp@shiftnumber\@False -\let\grp@hasNumber\@False -\let\grp@eqs@numbered\@False -\let\grp@aligned\@True -\newenvironment{dgroup}{% - \let\grp@hasNumber\@True\@optarg\@dgroup{}% -}{% - \end@dgroup -} -\newtoks\GRP@queue -\newenvironment{dgroup*}{% - \let\grp@hasNumber\@False\@optarg\@dgroup{}% -}{% - \end@dgroup -} -\def\@dgroup[#1]{% - \let\eq@group\@True \global\let\eq@GRP@first@dmath\@True - \global\GRP@queue\@emptytoks \global\setbox\GRP@box\box\voidb@x - \global\let\GRP@label\@empty - \global\grp@wdL\z@\global\grp@wdR\z@\global\grp@wdT\z@ - \global\grp@linewidth\z@\global\grp@wdNum\z@ - \global\let\grp@eqs@numbered\@False - \global\let\grp@aligned\@True - \global\let\grp@shiftnumber\@False - \eq@prelim - \setkeys{breqn}{#1}% - \if\grp@hasNumber \grp@setnumber \fi -} -\def\end@dgroup{% - \EQ@displayinfo \grp@finish - \if\grp@hasNumber\grp@resetnumber\fi -} -\@ifundefined{c@parentequation}{\newcounter{parentequation}}{} -\global\let\GRP@label\@empty -\def\add@grp@label{% - \ifx\@empty\GRP@label - \else \GRP@label \global\let\GRP@label\@empty - \fi -} -\def\grp@setnumber{% - \global\let\GRP@label\next@label \global\let\next@label\@empty - % Trick \eq@setnumber to doing our work for us. - \let\eq@hasNumber\@True - \eq@setnumber - \global\sbox\GRP@numbox{\unhbox\EQ@numbox}% - \grp@wdNum\eq@wdNum - \let\eq@hasNumber\@False - \let\eq@number\@empty - \eq@wdNum\z@ - \protected@edef\theparentequation{\theequation}% - \setcounter{parentequation}{\value{equation}}% - \setcounter{equation}{0}% - \def\theequation{\theparentequation\alph{equation}}% -} -\def\grp@resetnumber{% - \setcounter{equation}{\value{parentequation}}% -} -\newbox\GRP@box -\newbox\GRP@wholebox -\def\grp@push{% - \global\GRP@queue\@xp\@xp\@xp{\@xp\the\@xp\GRP@queue - \@xp\@elt\@xp{\EQ@trial}% - }% - \global\setbox\GRP@box\vbox{% - \hbox{\box\EQ@box\box\EQ@copy\penalty\@ne\copy\EQ@numbox}% - \unvbox\GRP@box - }% - \EQ@trial - \if\eq@isIntertext\else - \ifdim\eq@wdL>\grp@wdL \global\grp@wdL\eq@wdL \fi - \ifdim\eq@wdT>\grp@wdT \global\grp@wdT\eq@wdT \fi - \setlength\dim@a{\eq@wdT-\eq@wdL}% - \ifdim\dim@a>\grp@wdR \global\grp@wdR\dim@a \fi - \ifdim\eq@linewidth>\grp@linewidth \global\grp@linewidth\eq@linewidth\fi - \if\eq@hasNumber - \global\let\grp@eqs@numbered\@True - \ifdim\eq@wdNum>\grp@wdNum\global\grp@wdNum\eq@wdNum\fi - \fi - \if\EQ@hasLHS\else\global\let\grp@aligned\@False\fi - \if D\eq@layout \global\let\grp@aligned\@False\fi % Layout D (usually) puts rel on 2nd line. - \if\eq@shiftnumber\global\let\grp@shiftnumber\@True\fi % One eq shifted forces all. - \fi -} -\def\grp@finish{% - \setlength\dim@a{\grp@wdL+\grp@wdR-4em}% Allowance for shrink? - \if\grp@aligned - \ifdim\dim@a>\grp@linewidth - \global\let\grp@aligned\@False - \fi - \fi - \addtolength\dim@a{\grp@wdNum }% Effective length - \if\grp@shiftnumber - \else - \if\@And{\grp@hasNumber}{\@Not\grp@eqs@numbered} - \ifdim\dim@a>\grp@linewidth - \global\let\grp@shiftnumber\@True - \fi - \fi - \fi - \if\grp@aligned - \global\grp@wdT\grp@wdL - \global\advance\grp@wdT\grp@wdR - \fi - \setbox\GRP@wholebox\vbox{% - \let\@elt\eqgrp@elt - \the\GRP@queue - }% - \global\let\eq@GRP@first@dmath\@True - \begingroup - \dmath@first@leftskip - \eq@topspace{\vskip\parskip}% - \endgroup - \if\@And{\grp@hasNumber}{\@Not{\grp@eqs@numbered}}% - \if\grp@shiftnumber - \copy\GRP@numbox \penalty\@M - \kern\eqlineskip - \else - \setlength\dim@a{% - (\ht\GRP@wholebox+\dp\GRP@wholebox+\ht\GRP@numbox-\dp\GRP@numbox)/2}% - \setlength\skip@c{\dim@a-\ht\GRP@numbox}% - \vglue\skip@c% NON discardable - \copy\GRP@numbox \penalty\@M - \kern-\dim@a - \kern-\abovedisplayskip % To cancel the topspace above the first eqn. - \fi - \fi - \unvbox\GRP@wholebox - \let\@elt\relax - \eq@botspace % not needed unless bottom number? -} -\def\eqgrp@elt#1{% - \global\setbox\GRP@box\vbox{% - \unvbox\GRP@box - \setbox\z@\lastbox - \setbox\tw@\hbox{\unhbox\z@ - \ifnum\lastpenalty=\@ne - \else - \global\setbox\EQ@numbox\lastbox - \fi - \unpenalty - \global\setbox\EQ@copy\lastbox - \global\setbox\EQ@box\lastbox - }% - }% - \begingroup \let\eq@botspace\relax - #1% - \if\eq@isIntertext - \vskip\belowdisplayskip - \unvbox\EQ@copy - \else - \grp@override - \eq@finish - \fi - \endgroup -} -\def\grp@override{% - \def\eqindent{I}% - \setlength\dim@a{(\grp@linewidth-\grp@wdT)/2}% - \ifdim\dim@a<\z@\dim@a=\z@\fi - \dim@b\if L\eqnumside\grp@wdNum\else\z@\fi - \if\grp@shiftnumber\else - \ifdim\dim@b>\dim@a\dim@a\dim@b\fi - \fi - \if\grp@aligned - \addtolength\dim@a{\grp@wdL-\eq@wdL}% - \fi - \mathindent\dim@a - \ifdim\dim@b>\dim@a - \let\eq@shiftnumber\@True - \fi -} -\newskip\darraycolsep \darraycolsep 20pt plus1fil minus12pt -\newcount\cur@row \newcount\cur@col -\def\@tempa#1#2#3{% - \cur@col#1 \hfil - \setbox\z@\hbox{$\displaystyle####\m@th$}\@nx\col@box - \tabskip\z@skip - &\cur@col#2 \hfil - \setbox\z@\hbox{$\displaystyle\mathord{}####\mathord{}\m@th$}\@nx\col@box - \hfil - &\cur@col#3 \setbox\z@\hbox{$\displaystyle####\m@th$}\@nx\col@box - \hfil\tabskip\darraycolsep -} -\xdef\darray@preamble{% - \@tempa 123&\@tempa 456&\@tempa 789% - &\@tempa{10}{11}{12}&\@tempa{13}{14}{15}&\@tempa{16}{17}{18}% - \cr -} -\@ifundefined{Mathstrut@}{\let\Mathstrut@\strut}{} -\def\darray@cr{\Mathstrut@\cr} -\def\col@box{% - \unhbox\z@ -} -\newenvironment{darray}{\@optarg\@darray{}}{} -\def\@darray[#1]{% - \if\eq@group\else\eq@prelim\fi - \global\let\@preamble\@empty - \setkeys{breqn}{#1}% - \the\eqstyle \eq@setnumber - \ifx\@preamble\@empty \global\let\@preamble\darray@preamble \fi - \check@mathfonts - % \let\check@mathfonts\relax % tempting, but too risky - \@xp\let\csname\string\ \endcsname\darray@cr - \setbox\z@\vbox\bgroup - \everycr{\noalign{\global\advance\cur@row\@ne}}% - \tabskip\z@skip \cur@col\z@ - \global\cur@row\z@ - \penalty\@ne % flag for \dar@repack - \halign\@xp\bgroup\@preamble -} -\def\enddarray#1{\check@punct@or@qed} -\def\end@darray{% - \ifvmode\else \eq@addpunct \Mathstrut@\fi\crcr \egroup - \dar@capture - \egroup -} -\def\dar@capture{% -%% \showboxbreadth\maxdimen\showboxdepth99\showlists - \eq@wdL\z@ \eq@wdRmax\z@ - \dar@repack -} -\def\dar@repack{% - \unpenalty - \setbox\tw@\lastbox - \global\setbox\EQ@box\hbox{% - \hbox{\unhcopy\tw@\unskip}\penalty-\@M \unhbox\EQ@box}% - \global\setbox\EQ@copy\hbox{% - \hbox{\unhbox\tw@\unskip}\penalty-\@M \unhbox\EQ@copy}% - \unskip - \ifcase\lastpenalty \else\@xp\@gobble\fi - \dar@repack -} -\newskip\conditionsep \conditionsep=10pt minus5pt% -\newcommand{\conditionpunct}{,} -\newcommand\condition{% - \begingroup\@tempswatrue - \@ifstar{\@tempswafalse \condition@a}{\condition@a}} -\newcommand\condition@a[2][\conditionpunct]{% - \unpenalty\unskip\unpenalty\unskip % BRM Added - \hbox{#1}% - \penalty -201\relax\hbox{}% Penalty to allow breaks here. - \hskip\conditionsep - \setbox\z@\if@tempswa\hbox{#2}\else\hbox{$\textmath@setup #2$}\fi - \usebox\z@ - \endgroup} -\newenvironment{XXXXdsuspend}{% - \global\setbox\EQ@box\vbox\bgroup \@parboxrestore - \parshape 1 \displayindent \displaywidth\relax - \hsize=\columnwidth \noindent\ignorespaces -}{% - \par\egroup - \global\setbox\GRP@box\vbox{% - \vbox{\copy\EQ@box\vtop{\unvbox\EQ@box}}% - \unvbox\GRP@box - }% - \global\GRP@queue\@xp{\the\GRP@queue - \@elt{\gdef\EQ@trial{}}% - }% -} -\newenvironment{dsuspend}{% - \global\setbox\EQ@box\vbox\bgroup \@parboxrestore - \parshape 1 \displayindent \displaywidth\relax - \hsize=\columnwidth \noindent\ignorespaces -}{% - \par\egroup - \global\setbox\GRP@box\vbox{% - \hbox{\copy\EQ@box\vtop{\unvbox\EQ@box}}% - \unvbox\GRP@box - }% - \global\GRP@queue\@xp{\the\GRP@queue - \@elt{\let\eq@isIntertext\@True}% - }% -} -\newcommand\breqn@intertext[1]{\dsuspend#1\enddsuspend} -\renewcommand{\*}{% - \if@display - \setbox\z@\hbox{\mathsurround\z@$\mkern\eq@binoffset$}% - \discretionary{}{% - \kern\the\wd\z@ \textchar\discretionarytimes - }{}% - \thinspace - \else - \discretionary{\thinspace\textchar\discretionarytimes}{}{}% - \fi -} -\newcommand{\discretionarytimes}{\times} -\def\nref#1{\@xp\@nref\csname r@#1\endcsname} -\def\@nref#1#2{\ifx\relax#1??\else \@xp\@firstoftwo#1\fi} -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -\endinput -%% -%% End of file `breqn.sty'. -- cgit v1.2.3