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72 lines
2.2 KiB
72 lines
2.2 KiB
%%
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%% This is file `amsbsy.sty',
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%% generated with the docstrip utility.
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%%
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%% The original source files were:
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%%
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%% amsbsy.dtx
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%%
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%% Copyright 1995, 1999 American Mathematical Society.
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%% Copyright 2016 LaTeX3 Project and American Mathematical Society.
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%%
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%% This work may be distributed and/or modified under the
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%% conditions of the LaTeX Project Public License, either version 1.3c
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%% of this license or (at your option) any later version.
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%% The latest version of this license is in
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%% https://www.latex-project.org/lppl.txt
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%% and version 1.3c or later is part of all distributions of LaTeX
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%% version 2005/12/01 or later.
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%%
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%% This work has the LPPL maintenance status `maintained'.
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%%
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%% The Current Maintainer of this work is the LaTeX3 project.
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%%
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\NeedsTeXFormat{LaTeX2e}% LaTeX 2.09 can't be used (nor non-LaTeX)
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[1994/12/01]% LaTeX date must December 1994 or later
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\ProvidesPackage{amsbsy}[1999/11/29 v1.2d Bold Symbols]
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\RequirePackage{amsgen}
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\DeclareRobustCommand{\boldsymbol}[1]{%
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\begingroup
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\let\@nomath\@gobble \mathversion{bold}%
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\math@atom{#1}{%
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\mathchoice%
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{\hbox{$\m@th\displaystyle#1$}}%
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{\hbox{$\m@th\textstyle#1$}}%
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{\hbox{$\m@th\scriptstyle#1$}}%
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{\hbox{$\m@th\scriptscriptstyle#1$}}}%
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\endgroup}
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\def\math@atom#1#2{%
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\binrel@{#1}\binrel@@{#2}}
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\DeclareRobustCommand{\pmb}{%
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\ifmmode\else \expandafter\pmb@@\fi\mathpalette\pmb@}
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\def\pmb@@#1#2#3{\leavevmode\setboxz@h{#3}%
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\dimen@-\wdz@
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\kern-.5\ex@\copy\z@
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\kern\dimen@\kern.25\ex@\raise.4\ex@\copy\z@
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\kern\dimen@\kern.25\ex@\box\z@
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}
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\newdimen\pmbraise@
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\def\pmb@#1#2{\setbox8\hbox{$\m@th#1{#2}$}%
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\setboxz@h{$\m@th#1\mkern.5mu$}\pmbraise@\wdz@
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\binrel@{#2}%
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\dimen@-\wd8 %
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\binrel@@{%
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\mkern-.8mu\copy8 %
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\kern\dimen@\mkern.4mu\raise\pmbraise@\copy8 %
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\kern\dimen@\mkern.4mu\box8 }%
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}
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\def\binrel@#1{\begingroup
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\setboxz@h{\thinmuskip0mu
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\medmuskip\m@ne mu\thickmuskip\@ne mu
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\setbox\tw@\hbox{$#1\m@th$}\kern-\wd\tw@
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${}#1{}\m@th$}%
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\edef\@tempa{\endgroup\let\noexpand\binrel@@
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\ifdim\wdz@<\z@ \mathbin
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\else\ifdim\wdz@>\z@ \mathrel
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\else \relax\fi\fi}%
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\@tempa
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}
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\let\binrel@@\relax
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\endinput
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%%
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%% End of file `amsbsy.sty'.
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