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134 lines
3.9 KiB
134 lines
3.9 KiB
%%
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%% This is file `nicefrac.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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%% units.dtx (with options: `nicefrac')
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%%
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%% LaTeX package for typesetting nice fractions
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%%
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%% Copyright (C) 1998 Axel Reichert
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%% See the files README and COPYING.
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%%
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%% \CharacterTable
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%% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
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%% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
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%% Digits \0\1\2\3\4\5\6\7\8\9
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%% Exclamation \! Double quote \" Hash (number) \#
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%% Dollar \$ Percent \% Ampersand \&
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%% Acute accent \' Left paren \( Right paren \)
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%% Asterisk \* Plus \+ Comma \,
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%% Minus \- Point \. Solidus \/
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%% Colon \: Semicolon \; Less than \<
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%% Equals \= Greater than \> Question mark \?
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%% Commercial at \@ Left bracket \[ Backslash \\
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%% Right bracket \] Circumflex \^ Underscore \_
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%% Grave accent \` Left brace \{ Vertical bar \|
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%% Right brace \} Tilde \~}
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\NeedsTeXFormat{LaTeX2e}[1995/12/01]
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\ProvidesPackage{nicefrac}[1998/08/04 v0.9b Nice fractions]
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\newlength{\L@UnitsRaiseDisplaystyle}
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\newlength{\L@UnitsRaiseTextstyle}
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\newlength{\L@UnitsRaiseScriptstyle}
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\RequirePackage{ifthen}
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\DeclareRobustCommand*{\@UnitsNiceFrac}[3][]{%
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\ifthenelse{\boolean{mmode}}{%
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\settoheight{\L@UnitsRaiseDisplaystyle}{%
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\ensuremath{\displaystyle#1{M}}%
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}%
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\settoheight{\L@UnitsRaiseTextstyle}{%
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\ensuremath{\textstyle#1{M}}%
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}%
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\settoheight{\L@UnitsRaiseScriptstyle}{%
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\ensuremath{\scriptstyle#1{M}}%
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}%
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\settoheight{\@tempdima}{%
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\ensuremath{\scriptscriptstyle#1{M}}%
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}%
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\addtolength{\L@UnitsRaiseDisplaystyle}{%
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-\L@UnitsRaiseScriptstyle%
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}%
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\addtolength{\L@UnitsRaiseTextstyle}{%
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-\L@UnitsRaiseScriptstyle%
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}%
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\addtolength{\L@UnitsRaiseScriptstyle}{-\@tempdima}%
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\mathchoice
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{%
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\raisebox{\L@UnitsRaiseDisplaystyle}{%
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\ensuremath{\scriptstyle#1{#2}}%
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}%
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}%
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{%
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\raisebox{\L@UnitsRaiseTextstyle}{%
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\ensuremath{\scriptstyle#1{#2}}%
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}%
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}%
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{%
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\raisebox{\L@UnitsRaiseScriptstyle}{%
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\ensuremath{\scriptscriptstyle#1{#2}}%
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}%
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}%
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{%
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\raisebox{\L@UnitsRaiseScriptstyle}{%
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\ensuremath{\scriptscriptstyle#1{#2}}%
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}%
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}%
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\mkern-2mu/\mkern-1mu%
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\bgroup
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\mathchoice
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{\scriptstyle}%
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{\scriptstyle}%
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{\scriptscriptstyle}%
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{\scriptscriptstyle}%
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#1{#3}%
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\egroup
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}%
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{%
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\settoheight{\L@UnitsRaiseTextstyle}{#1{M}}%
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\settoheight{\@tempdima}{%
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\ensuremath{%
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\mbox{\fontsize\sf@size\z@\selectfont#1{M}}%
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}%
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}%
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\addtolength{\L@UnitsRaiseTextstyle}{-\@tempdima}%
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\raisebox{\L@UnitsRaiseTextstyle}{%
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\ensuremath{%
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\mbox{\fontsize\sf@size\z@\selectfont#1{#2}}%
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}%
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}%
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\ensuremath{\mkern-2mu}/\ensuremath{\mkern-1mu}%
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\ensuremath{%
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\mbox{\fontsize\sf@size\z@\selectfont#1{#3}}%
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}%
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}%
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}
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\DeclareRobustCommand*{\@UnitsUglyFrac}[3][]{%
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\ifthenelse{\boolean{mmode}}{%
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\frac{#1{#2}}{#1{#3}}%
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}%
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{%
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#1{#2}/#1{#3}%
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\PackageWarning{nicefrac}{%
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You used \protect\nicefrac\space or
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\protect\unitfrac\space in text mode\MessageBreak
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and specified the ``ugly'' option.\MessageBreak
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The fraction may be ambiguous or wrong.\MessageBreak
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Please make sure the denominator is
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correct.\MessageBreak
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If it is, you can safely ignore\MessageBreak
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this warning
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}%
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}%
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}
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\DeclareOption{nice}{%
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\DeclareRobustCommand*{\nicefrac}{\@UnitsNiceFrac}%
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}
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\DeclareOption{ugly}{%
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\DeclareRobustCommand*{\nicefrac}{\@UnitsUglyFrac}%
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}
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\ExecuteOptions{nice}
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\ProcessOptions*
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\endinput
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%%
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%% End of file `nicefrac.sty'.
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