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% sansmathfonts.sty
%
% Provides complete sans serif math fonts
%
% author: Ariel Barton
%
% Copyright Ariel Barton, 2013
%
% 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 the license is in
% http://www.latex-project.org/lppl.txt
% and version 1.3 or later is part of all distributions of
% LaTeX version 2003/06/01 or later.
%
% This work has the LPPL maintenance status "author-maintained".
%
% The complete list of files considered part of this work is in
% the file `sansmathfonts.pdf' and its source code `sansmathfonts.tex'.
%
\ProvidesPackage{sansmathfonts}[2013/03/22]
\newif \ifmath@sansmathfonts \math@sansmathfontstrue
\def\sfdefault@sansmathfonts{xcmss}
\DeclareOption{notmath}{\math@sansmathfontsfalse}
\DeclareOption{I}{\def\sfdefault@sansmathfonts{cmsmf}}
\ProcessOptions
\ifmath@sansmathfonts
% Turn off Beamer math replacements
\@ifpackageloaded{beamerbasefont}{\usefonttheme{professionalfonts}}{}
% Sans serif math
% Code borrowed from fontmath.ltx
% (edited; cmr->cmsmf, cmm->cmssm, cmsy->cmsssy, cmex->cmssex)
\DeclareFontSubstitution{OML}{cmssm}{m}{it}
\DeclareFontSubstitution{OMS}{cmsssy}{m}{n}
\DeclareFontSubstitution{OMX}{cmssex}{m}{n}
\DeclareFontSubstitution{U}{\sfdefault@sansmathfonts}{m}{n}
\DeclareSymbolFont{operators} {OT1}{cmsmf} {m}{n}
\DeclareSymbolFont{letters} {OML}{cmssm} {m}{it}
\DeclareSymbolFont{symbols} {OMS}{cmsssy}{m}{n}
\DeclareSymbolFont{largesymbols}{OMX}{cmssex}{m}{n}
\SetSymbolFont{operators}{bold}{OT1}{cmsmf} {bx}{n}
\SetSymbolFont{letters} {bold}{OML}{cmssm} {b}{it}
\SetSymbolFont{symbols} {bold}{OMS}{cmsssy}{b}{n}
% Code borrowed from concmath.sty (amsfonts/amssymb option)
\AtBeginDocument{%
\@ifpackageloaded{amsfonts}{%
\DeclareSymbolFont{AMSa}{U}{ssmsa}{m}{n}
\DeclareSymbolFont{AMSb}{U}{ssmsb}{m}{n}
}{}%
\@ifpackageloaded{esint}{%
\DeclareSymbolFont{largesymbolsA}{U}{ssesint}{m}{n}
}{}
}
% beamer currently sets
% \mathrm to upright serif and
% \mathit to slanted sans serif.
% They should be consistent,
% and the setup should be such that if you aren't paying attention,
% then you get the font of the rest of the letters,
% that is, sans serif.
% Code borrowed from fontmath.ltx
% (edited; cmr->cmsmf)
\DeclareSymbolFontAlphabet{\mathrm} {operators}
\DeclareSymbolFontAlphabet{\mathnormal}{letters}
\DeclareSymbolFontAlphabet{\mathcal} {symbols}
\DeclareMathAlphabet {\mathbf}{OT1}{cmsmf}{bx}{n}
\DeclareMathAlphabet {\mathsf}{OT1}{cmsmf}{m}{n}
\DeclareMathAlphabet {\mathit}{OT1}{cmsmf}{m}{it}
\DeclareMathAlphabet {\mathtt}{OT1}{cmtt}{m}{n}
\SetMathAlphabet\mathsf{bold}{OT1}{cmsmf}{bx}{n}
\SetMathAlphabet\mathit{bold}{OT1}{cmsmf}{bx}{it}
\fi
\DeclareMathAlphabet {\mathserif}{OT1}{cmr}{m}{n}
% Use the improved sans family
% (provides sans serif small caps fonts)
\def\sfdefault{\sfdefault@sansmathfonts}
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