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% Copyright 2007-2009 by Massimo Redaelli
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
% See the files gpl-3.0_license.txt and lppl-1-3c_license.txt for more details.
%\def\pgf@circ@handleSI#1{%
% \pgf@circ@siunitx@resfalse
%
% \edef\len{\stringlength[e]{#1}}
%\testmatchingchar[e]{#1}{\len}{>}%
%\ifmatchingchar%
% \ifnum\findchars{#1}{<}=0
% \def\pgf@circ@handleSI@val{\substring{#1}{1}{\findchars{#1}{<}-1}}
%\def\pgf@circ@handleSI@unit{\substring{#1}{\findchars{#1}{<}-1}+1}{\stringlength{#1}}
%\pgf@circ@siunitx@restrue
% \else
% \fi
%\else
%\fi
%}
\def\pgf@circ@handleSI#1{
\noexpandarg
\def\pgf@temp{}
\StrBetween{#1}{<}{>}[\pgf@circ@handleSI@unit]
\StrLen{\pgf@circ@handleSI@unit}[\pgf@circ@handleSI@unit@len]
\ifnum\pgf@circ@handleSI@unit@len=0
\pgf@circ@siunitx@resfalse
\else
\IfEndWith{#1}{>}{
\pgf@circ@siunitx@restrue
\noexpandarg
\StrBefore{#1}{<}[\pgf@circ@handleSI@val]
%\typeout{si |#1|}
}{
\pgf@circ@siunitx@resfalse
%\typeout{no si |#1|}
}
\fi
}
\def\pgf@circ@ifkeyempty#1{
\pgfextra{
\ctikzset{#1/.get=\pgf@circ@temp}
\edef\pgf@temp{}
}
\ifx\pgf@circ@temp\pgf@temp
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Math routines
\def\pgf@circ@stripdecimals#1.#2\pgf@nil{#1}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% useful commands
\ifpgfutil@format@is@latex
%% flipping text
\def\ctikzflipx#1{\scalebox{-1}[1]{#1}}
\def\ctikzflipy#1{\scalebox{1}[-1]{#1}}
\def\ctikzflipxy#1{\scalebox{-1}[-1]{#1}}
% text mode overbar
% Thanks to @egreg https://tex.stackexchange.com/a/24133/38080
\def\ctikztextnot#1{$\overline{\hbox{#1}}\m@th$}
\else\ifpgfutil@format@is@plain
% text mode overbar
% Thanks to @egreg https://tex.stackexchange.com/a/24133/38080
\def\ctikztextnot#1{$\overline{\hbox{#1}}$}
\else\ifpgfutil@format@is@context
% text mode overbar
% Thanks to @egreg https://tex.stackexchange.com/a/24133/38080
\def\ctikztextnot#1{$\overline{\hbox{#1}}$}
\fi\fi\fi
\endinput
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