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diff --git a/Master/texmf-dist/source/latex/amslatex/amsopn.dtx b/Master/texmf-dist/source/latex/amslatex/amsopn.dtx new file mode 100644 index 00000000000..fd60965d788 --- /dev/null +++ b/Master/texmf-dist/source/latex/amslatex/amsopn.dtx @@ -0,0 +1,254 @@ +%%% ==================================================================== +%%% @LaTeX-file{ +%%% filename = "amsopn.dtx", +%%% version = "2.01", +%%% date = "1999/12/14", +%%% time = "17:30:59 EST", +%%% checksum = "46904 254 1037 9431", +%%% author = "American Mathematical Society", +%%% copyright = "Copyright 1995, 1999 American Mathematical Society, +%%% all rights reserved. Copying of this file is +%%% authorized only if either: +%%% (1) you make absolutely no changes to your copy, +%%% including name; OR +%%% (2) if you do make changes, you first rename it +%%% to some other name.", +%%% address = "American Mathematical Society, +%%% Technical Support, +%%% Electronic Products and Services, +%%% P. O. Box 6248, +%%% Providence, RI 02940, +%%% USA", +%%% telephone = "401-455-4080 or (in the USA and Canada) +%%% 800-321-4AMS (321-4267)", +%%% FAX = "401-331-3842", +%%% email = "tech-support@ams.org (Internet)", +%%% codetable = "ISO/ASCII", +%%% keywords = "operator name, amsopn, DeclareMathOperator", +%%% supported = "yes", +%%% abstract = "This is a \LaTeX{} package that provides a +%%% DeclareMathOperator command for defining named +%%% operators like sin and lim.", +%%% docstring = "The checksum field above contains a CRC-16 checksum +%%% as the first value, followed by the equivalent of +%%% the standard UNIX wc (word count) utility output of +%%% lines, words, and characters. This is produced by +%%% Robert Solovay's checksum utility.", +%%% } +%%% ==================================================================== +% +%\iffalse +%<*driver> +\documentclass{amsdtx} +\begin{document} +\title{The \pkg{amsopn} package} +\author{Michael Downes} +\date{Version \fileversion, \filedate} +\hDocInput{amsopn.dtx} +\end{document} +%</driver> +%\fi +% +% \maketitle +% +% \MakeShortVerb\| +% +% \section{Introduction} +% +% The \pkg{amsopn} package provides a command +% \cn{DeclareMathOperator} for defining new `math operator names' +% similar to the standard function names \cn{sin}, \cn{lim}, +% \cn{max}, etc. +% +% \StopEventually{} +% +% Standard file identification. +% \begin{macrocode} +\NeedsTeXFormat{LaTeX2e}% LaTeX 2.09 can't be used (nor non-LaTeX) +[1994/12/01]% LaTeX date must December 1994 or later +\ProvidesPackage{amsopn}[1999/12/14 v2.01 operator names] +% \end{macrocode} +% +% What \cs{nolimits@} does is keep a \cn{limits} typed by the user +% from having any effect. This is used for operatornames whose +% standard usage is never to have limits. +% \begin{macrocode} +\def\nolimits@{\@ifnextchar\limits{\nolimits\@gobble}{\nolimits}} +% \end{macrocode} +% +% In operator names, it is sometimes desired to have text-mode +% punctuation characters such as |*-/:'|. +% Because the body of an +% operator name is set in math mode, these few punctuation +% characters will not come out right (wrong symbol/and or wrong +% spacing). The purpose of \cs{newmcodes@} is to make them act like +% their normal text versions. +% +% Where practical, we use decimal numbers to cut down main mem +% usage (\qc{\"} not needed). +% \begin{macrocode} +\begingroup \catcode`\"=12 +\gdef\newmcodes@{\mathcode`\'39\mathcode`\*42\mathcode`\."613A% +% \end{macrocode} +% Define \cs{std@minus} for \cs{relbar} use; otherwise there are +% problems with arrows constructed with relbar. +% \begin{macrocode} + \ifnum\mathcode`\-=45 \else + \mathchardef\std@minus\mathcode`\-\relax + \fi + \mathcode`\-45\mathcode`\/47\mathcode`\:"603A\relax} +\endgroup +% \end{macrocode} +% +% The command \cs{operatorname} prints its argument as a `math +% operator' like \cs{sin} or \cs{det}, with proper font and spacing. +% \begin{macrocode} +\DeclareRobustCommand{\operatorname}{% + \@ifstar{\qopname\newmcodes@ m}% + {\qopname\newmcodes@ o}}% +% \end{macrocode} +% In the interior of the \cs{mathop} we need a null object (we choose +% a zero kern for minimum waste of main mem) in order to guard +% against the case where \arg{3} is a single letter; \tex/ will seize +% it and center it on the math axis if there is nothing else inside +% the \cs{mathop} atom. +% \begin{macrocode} +\DeclareRobustCommand{\qopname}[3]{% + \mathop{#1\kern\z@\operator@font#3}% + \csname n#2limits@\endcsname} +% \end{macrocode} +% +% \begin{macro}{\DeclareMathOperator} +% The command \cn{DeclareMathOperator} defines the first argument to +% be an operator name whose text is the second argument. The star +% form means that the operator name should take limits (like \cn{max} +% or \cn{lim}). +% \begin{macrocode} +\newcommand{\DeclareMathOperator}{% + \@ifstar{\@declmathop m}{\@declmathop o}} +% \end{macrocode} +% \end{macro} +% +% In the basic set of operator names (below) we did not use +% \cn{DeclareRobustCommand} because of the hash table cost. But we +% use it here to minimize the chances of trouble, since we are +% producing a user-defined command. +% \begin{macrocode} +\long\def\@declmathop#1#2#3{% + \@ifdefinable{#2}{% + \DeclareRobustCommand{#2}{\qopname\newmcodes@#1{#3}}}} +% +\@onlypreamble\DeclareMathOperator +\@onlypreamble\@declmathop +% \end{macrocode} +% +% \begin{macrocode} +\def\arccos{\qopname\relax o{arccos}} +\def\arcsin{\qopname\relax o{arcsin}} +\def\arctan{\qopname\relax o{arctan}} +\def\arg{\qopname\relax o{arg}} +\def\cos{\qopname\relax o{cos}} +\def\cosh{\qopname\relax o{cosh}} +\def\cot{\qopname\relax o{cot}} +\def\coth{\qopname\relax o{coth}} +\def\csc{\qopname\relax o{csc}} +\def\deg{\qopname\relax o{deg}} +\def\det{\qopname\relax m{det}} +\def\dim{\qopname\relax o{dim}} +\def\exp{\qopname\relax o{exp}} +\def\gcd{\qopname\relax m{gcd}} +\def\hom{\qopname\relax o{hom}} +\def\inf{\qopname\relax m{inf}} +\def\injlim{\qopname\relax m{inj\,lim}} +\def\ker{\qopname\relax o{ker}} +\def\lg{\qopname\relax o{lg}} +\def\lim{\qopname\relax m{lim}} +\def\liminf{\qopname\relax m{lim\,inf}} +\def\limsup{\qopname\relax m{lim\,sup}} +\def\ln{\qopname\relax o{ln}} +\def\log{\qopname\relax o{log}} +\def\max{\qopname\relax m{max}} +\def\min{\qopname\relax m{min}} +\def\Pr{\qopname\relax m{Pr}} +\def\projlim{\qopname\relax m{proj\,lim}} +\def\sec{\qopname\relax o{sec}} +\def\sin{\qopname\relax o{sin}} +\def\sinh{\qopname\relax o{sinh}} +\def\sup{\qopname\relax m{sup}} +\def\tan{\qopname\relax o{tan}} +\def\tanh{\qopname\relax o{tanh}} +% \end{macrocode} +% +% \begin{macro}{\operator@font} +% \begin{macro}{\operatorfont} +% This command is provided to allow the document styles to decide in +% which way math operators like `max' or `log' are typeset. The +% default is to set them in \meta{math group} zero of the current +% math version. The original name was \cs{operator@font}, retained +% for compatibility; the second name was added to make it +% more accessible so that users can call this font for use in special +% constructs that are not ordinary operator names but conceptually +% related. +% \begin{macrocode} +\def\operator@font{\mathgroup\symoperators} +\def\operatorfont{\operator@font} +% \end{macrocode} +% \end{macro} +% \end{macro} +% +% For backwards compatibility we keep this old command name for the +% time being: +% \begin{macrocode} +\def\operatornamewithlimits{\operatorname*} +% \end{macrocode} +% +% These macros use \cs{mathpalette}s so that they will change size +% in script and scriptscript styles, though it's hard to imagine they +% will ever be used there (the arrows, particularly, look bad in +% subscript sizes). Notice that the use of \cs{ex@} means that the +% vertical spacing may not be optimal in script and scriptscript +% sizes. Unfortunately \tex/ provides no easy way to do math mode +% vertical spacing that varies with current math style like mu units. +% \begin{macrocode} +\def\varlim@#1#2{% + \vtop{\m@th\ialign{##\cr + \hfil$#1\operator@font lim$\hfil\cr + \noalign{\nointerlineskip\kern1.5\ex@}#2\cr + \noalign{\nointerlineskip\kern-\ex@}\cr}}% +} +\def\varinjlim{% + \mathop{\mathpalette\varlim@{\rightarrowfill@\textstyle}}\nmlimits@ +} +\def\varprojlim{% + \mathop{\mathpalette\varlim@{\leftarrowfill@\textstyle}}\nmlimits@ +} +\def\varliminf{\mathop{\mathpalette\varliminf@{}}\nmlimits@} +\def\varliminf@#1{\@@underline{\vrule\@depth.2\ex@\@width\z@ + \hbox{$#1\m@th\operator@font lim$}}} +\def\varlimsup{\mathop{\mathpalette\varlimsup@{}}\nmlimits@} +\def\varlimsup@#1{\@@overline{\hbox{$#1\m@th\operator@font lim$}}} +% \end{macrocode} +% +% \begin{macrocode} +\let\nmlimits@\displaylimits +\DeclareOption{namelimits}{\let\nmlimits@\displaylimits} +\DeclareOption{nonamelimits}{\let\nmlimits@\nolimits} +\ProcessOptions\relax +% \end{macrocode} +% +% If we don't load the \pkg{amsgen} package then the use of \cs{ex@} +% in \cs{varlim@} will lead to trouble. +% \begin{macrocode} +\RequirePackage{amsgen}\relax +% \end{macrocode} +% +% The usual \cs{endinput} to ensure that random garbage at the end of +% the file doesn't get copied by \fn{docstrip}. +% \begin{macrocode} +\endinput +% \end{macrocode} +% +% \changes{v1.2a}{1995/02/20}{Fixed operatorname +% (shouldn't have same limits behavior as operatorname*)} +% \CheckSum{300} +% \Finale |