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Diffstat (limited to 'Master/texmf-dist/tex/latex/geomsty/geomenv.sty')
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1 files changed, 189 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/latex/geomsty/geomenv.sty b/Master/texmf-dist/tex/latex/geomsty/geomenv.sty new file mode 100644 index 00000000000..338ebc4b910 --- /dev/null +++ b/Master/texmf-dist/tex/latex/geomsty/geomenv.sty @@ -0,0 +1,189 @@ +% $Header: /usr/home/levy/texts/geomsty/RCS/geomenv.sty,v 1.15 95/12/13 20:32:50 levy Exp Locker: levy $ + +\@ifundefined{@@newtheorem}{}{\endinput} + +% +% \newtheorem is modified so as to accept a (first) optional argument. +% If this is present, the new theorem type ``foo'' will spawn an inner +% environment ``foo@''. The optional argument contains two +% brace-delimited token sequences, be inserted before and after the inner +% environment starts. +% +\def\newtheorem{\@ifnextchar[{\@newtheorem}{\@newtheorem[{}{}]}}%] + +\long\def\@newtheorem[#1]{\@@newtheorem#1} + +\long\def\@@newtheorem#1#2#3{% + \newenvironment{#3}% + {\def\object@type{#3}#1\@ifnextchar[{\@enva{#3}{#2}}{\@envb{#3}{#2}}}%] + {\end{#3@}}% + \@ifnextchar[{\@othm{#3@}}{\@nnthm{#3}}%] +} + +\def\@nnthm#1#2{% +\@ifnextchar[{\@xnnthm{#1}{#2}}{\@ynnthm{#1}{#2}}} + +\def\unnumbered#1{\expandafter\let\csname the#1\endcsname\relax} + +\def\@xnnthm#1#2[#3]{\@definecounter{#1}\@addtoreset{#1}{#3}% +\expandafter\xdef\csname the#1\endcsname{\expandafter\noexpand + \csname the#3\endcsname \@thmcountersep \@thmcounter{#1}}% +\global\@namedef{#1@}{\@thm{#1}{#2}}\global\@namedef{end#1@}{\@endtheorem}} + +\def\@ynnthm#1#2{\@definecounter{#1}% +\expandafter\xdef\csname the#1\endcsname{\@thmcounter{#1}}% +\global\@namedef{#1@}{\@thm{#1}{#2}}\global\@namedef{end#1@}{\@endtheorem}} + +\def\@enva#1#2[#3]{\begin{#1@}[#3]#2} +\def\@envb#1#2{\begin{#1@}#2} + +% +% Avoid indentation after end of theorem-like environment. +% + +\def\end#1{\csname end#1\endcsname\@checkend{#1}% + \expandafter\endgroup \if@endpe \@doendpe \@restorepar \fi + \if@ignore \global\@ignorefalse \ignorespaces\fi} + +% +% \theoremintro allows the user to choose how the theorem take is +% going to look like. +% + +\def\theoremintro#1{\normalshape\bf#1. } +% +% cannot use \@ifempty for this test because #2 typically looks like +% \csname thetheorem\csname, and \thetheorem has been \let to \relax. +% +\def\thrmintro#1#2{#1% + \def\@tempa{#1}\ifx\@tempa\@empty\else + \expandafter\let\expandafter\@tempa#2% This gives \thetheorem + \ifx\@tempa\relax\else{ }\fi\fi#2} + +\def\@begintheorem#1#2{\trivlist\item[\hskip\labelsep + \theoremintro{\thrmintro{#1}{#2}}\hskip-\labelsep]} + +\def\@opargbegintheorem#1#2#3{\trivlist\item[\hskip \labelsep + \theoremintro{\thrmintro{#1}{#2} (#3)}\hskip-\labelsep]\ifautolabel\label*{#3}\fi} + +% +% \specialdigits causes digits and punctuation to become active +% and print in roman type. \regulardigits cancels that. +% + +\def\dowith#1{\let\@tempa#1% + \@tempa,\@tempa.\@tempa:\@tempa;\@tempa(\@tempa)\@tempa!\@tempa?% + \@tempa0\@tempa1\@tempa2\@tempa3\@tempa4% + \@tempa5\@tempa6\@tempa7\@tempa8\@tempa9} +% +\def\makeactive#1{\catcode`#1=13} +\def\makeother#1{\catcode\expandafter`\noexpand#1=12} +\def\makechoice#1{\edef#1{% + \noexpand\ifmmode\string#1% + \noexpand\else\noexpand\ifhmode\/\noexpand\fi% + {\noexpand\normalshape\string#1}\noexpand\fi}} +% +\def\regulardigits{\dowith\makeother} + +{\dowith\makeactive +\gdef\specialdigits{% +\dowith\makeactive +\let\@tempa\makechoice + \@tempa,\@tempa.\@tempa:\@tempa;\@tempa(\@tempa)\@tempa!\@tempa?% + \@tempa0\@tempa1\@tempa2\@tempa3\@tempa4% + \@tempa5\@tempa6\@tempa7\@tempa8\@tempa9}% +} + +% The proof environment takes an optional argument, which defaults +% to \prooftag (which should be set by theorem-like environments). +% This argument is stored in \provedbox (after being passed to +% \provedboxcontents), to be printed in the ``proved box'' at +% the end of the proof. It is also printed at the beginning of proof, +% after being passed to \proofintro. + +% If the proof +% ends with a displayed formula, it is recommented that the proved box +% be placed next to the formula (as if it were a tag). This is done +% by inserting \proved before the closing $$. In even more difficult +% cases (e.g., if the formula already has a tag, or is part of a +% multi-line display), plop \box\provedbox where we want the box to be. + +\def\prooftag{} +\def\setprooftag{\xdef\prooftag{\@currentlabel}} + +\def\proof{} +\renewenvironment{proof} + {\trivlist\item[]\@ifnextchar[{\pro@f}{\pro@f[\prooftag]}}%] + {\ifvoid\provedbox\else\hproved\fi\endtrivlist} + +% the next few lines, parallel to the Theorem setup, don't work for +% two reasons: \provedbox is set within a group and so disappears, and +% the nextchar seen by processproof is always \hskip. +%\newenvironment{proof} +% {\trivlist\item[\hskip\labelsep\process@proof\hskip-\labelsep]} +% {\ifvoid\provedbox\else\hproved\fi\endtrivlist} +%\def\process@proof{\@ifnextchar[{\pro@f}{\pro@f[\prooftag]}}%] + +\def\pro@f[#1]{\setbox\provedbox\hbox{\provedboxcontents{#1}}\proofintro{#1}} + +\def\proofintro#1{\expandafter\def\expandafter\@tempa\expandafter{#1}% + {\it Proof\ifx\@tempa\empty\else\ of #1\fi. }\ignorespaces} + +\def\provedboxcontents#1{\expandafter\def\expandafter\@tempa\expandafter{#1}% + \ifx\@tempa\empty$\square$\else\fbox{\small#1}\fi} + +\newbox\provedbox + +\def\proved{\ifmmode\eqno{\box\provedbox}\else\hproved\fi} + +\def\hproved{\unskip\nobreak\hfil\penalty50\hskip.5em\hbox{}\nobreak\hfil + \box\provedbox{\parfillskip=0pt\finalhyphendemerits=0\par}} + +% $Log: geomenv.sty,v $ +%Revision 1.15 95/12/13 20:32:50 levy +%make {proof} a redefinition instead of a definition +% +%Revision 1.14 95/07/22 13:32:31 levy +%put space after period in \theoremintro +%(while at the same time removing the \labelsep) +% +%Revision 1.13 93/08/18 08:35:24 levy +%> eliminated space for \newtheorem{justnumber}{} +%added definition of \unnumbered +% +%Revision 1.12 1993/03/16 23:55:14 levy +%*** empty log message *** +% +%Revision 1.11 93/03/07 23:08:41 levy +%removed a repeated invocation of \theoremintro in \opargbegintheorem +% +%Revision 1.10 1993/01/10 20:57:03 levy +%comparison in \proofintro should have \edef, not \def +% +%Revision 1.9 1993/01/10 17:11:12 levy +%*** empty log message *** +% +%Revision 1.8 92/10/01 15:31:59 levy +%fixed space in "Theorem ." +% +%Revision 1.7 92/07/17 13:44:21 levy +%*** empty log message *** +% +%Revision 1.6 92/07/13 21:54:27 levy +%further cleaned up the environments +% +%Revision 1.5 92/07/13 11:12:10 levy +%big change (abolished MakeStEnv) +% +%Revision 1.4 92/06/15 19:15:35 levy +%fixed disappearing punctuation in fancy italics +% +%Revision 1.3 92/06/03 11:25:24 levy +%active punctuation +% +%Revision 1.2 92/04/07 09:08:56 levy +%*** empty log message *** +% +%Revision 1.1 1992/03/21 02:42:28 levy +%Initial revision +% |