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diff --git a/Master/texmf-dist/tex/latex/circuitikz/pgfcircmath.sty b/Master/texmf-dist/tex/latex/circuitikz/pgfcircmath.sty
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--- a/Master/texmf-dist/tex/latex/circuitikz/pgfcircmath.sty
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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 file doc/LICENSE for more details.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Math routines
-
-\def\pgf@circ@stripdecimals#1.#2\pgf@nil{#1}
-
-% angle between 0 and 360
-\def\pgf@circ@slope#1#2{%
- \pgf@process{#1}%
- \pgf@xa=\pgf@x%
- \pgf@ya=\pgf@y%
- \pgf@process{#2}%
- \advance\pgf@x by-\pgf@xa%
- \advance\pgf@y by-\pgf@ya%
- \ifdim\pgf@x<0.0001pt
- \ifdim\pgf@x>-0.0001pt % vertical
- \ifdim\pgf@y<0pt
- \def\pgfmathresult{-90.0}
- \else
- \def\pgfmathresult{+90.0}
- \fi
- \else % oblique with dx < 0
- \pgfmathdivide{\pgf@y}{\pgf@x}
- \pgfmathatan{\pgfmathresult}
- \ifdim\pgf@x<0pt
- \pgfmathsubtract{\pgfmathresult}{+180}
- \fi
- \fi
- \else % oblique with dx > 0
- \pgfmathdivide{\pgf@y}{\pgf@x}
- \pgfmathatan{\pgfmathresult}
- \ifdim\pgf@x<0pt
- \pgfmathsubtract{\pgfmathresult}{+180}
- \fi
- \fi
- \pgf@x=\pgfmathresult pt
- \ifdim\pgf@x<0pt
- \pgfmathadd{\pgfmathresult}{+360}
- \fi
- }
-
-\endinput
-