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%%
%% This is file `tikzlibrarytqft.code.tex',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% tqft.dtx  (with options: `library')
%% ----------------------------------------------------------------
%% tqft --- a library for drawing TQFT diagrams with TikZ/PGF
%% E-mail: loopspace@mathforge.org
%% Released under the LaTeX Project Public License v1.3c or later
%% See http://www.latex-project.org/lppl.txt
%% ----------------------------------------------------------------
%% 
\ifcsname pgfk@/handlers/.pic/.@cmd\endcsname
\else
\pgfwarning{This library only works with TikZ 3.0 or later; for earlier versions of TikZ use the TQFT package}
\fi
\usetikzlibrary{shapes.geometric}
\def\pgf@tqft@minus{-}
\let\pgf@tqft@upper\@empty
\let\pgf@tqft@lower\pgf@tqft@minus
\def\tqft@split(#1,#2){%
  \pgfmathsetmacro\tqft@y{#2 * (-\tqft@val{cobordism height})}%
  \pgfmathsetmacro\tqft@x{(#1 - 1 + max(min(#2,1),0)*\tqft@val{offset}) * \tqft@val{boundary separation}}%
  \def\tqft@shift{(\tqft@x pt, \tqft@y pt)}%
}%
\tikzset{
    pic alias/.code={%
      \tikz@fig@mustbenamed
      \expandafter\def\expandafter\tikz@alias\expandafter{\tikz@alias\pgfnodealias{\tikz@pp@name{#1}}{\tikz@fig@name}}%
    },
  tqft/.style={%
    pic type=cobordism,
    every tqft/.try,
    tqft/.cd,
  },
  tqft/.unknown/.code={%
    \let\tqft@searchname=\pgfkeyscurrentname%
    \pgfkeysalso{%
      /tikz/\tqft@searchname={#1}
    }
  },
  tqft/.cd,
  incoming boundary components/.initial=5,
  outgoing boundary components/.initial=4,
  skip incoming boundary components/.initial={},
  skip outgoing boundary components/.initial={},
  genus/.initial = 0,
  offset/.initial=0,
  cobordism height/.initial=2cm,
  boundary separation/.initial=2cm,
  circle x radius/.initial=10pt,
  circle y radius/.initial=5pt,
  view from/.is choice,
  view from/incoming/.code={%
    \let\pgf@tqft@upper\pgf@tqft@minus
    \let\pgf@tqft@lower\@empty
  },
  view from/outgoing/.code={%
  \let\pgf@tqft@lower\pgf@tqft@minus
    \let\pgf@tqft@upper\@empty
  },
  anchor/.initial = none,
  pair of pants/.style={
    /tikz/tqft,
    incoming boundary components=1,
    outgoing boundary components=2,
    offset=-.5
  },
  /tikz/tqft pair of pants/.style={
    /tikz/tqft/pair of pants,
  },
  reverse pair of pants/.style={
    /tikz/tqft,
    incoming boundary components=2,
    outgoing boundary components=1,
    offset=.5
  },
  /tikz/tqft reverse pair of pants/.style={
    /tikz/tqft/reverse pair of pants,
  },
  cylinder to prior/.style={
    /tikz/tqft,
    incoming boundary components=1,
    outgoing boundary components=1,
    offset=-.5
  },
  /tikz/tqft cylinder to prior/.style={
    /tikz/tqft/cylinder to prior,
  },
  cylinder to next/.style={
    /tikz/tqft,
    incoming boundary components=1,
    outgoing boundary components=1,
    offset=.5
  },
  /tikz/tqft cylinder to next/.style={
    /tikz/tqft/cylinder to next,
  },
  cylinder/.style={
    /tikz/tqft,
    incoming boundary components=1,
    outgoing boundary components=1
  },
  /tikz/tqft cylinder/.style={
    /tikz/tqft/cylinder,
  },
  cup/.style={
    /tikz/tqft,
    incoming boundary components=1,
    outgoing boundary components=0
  },
  /tikz/tqft cup/.style={
    /tikz/tqft/cup,
  },
  cap/.style={
    /tikz/tqft,
    incoming boundary components=0,
    outgoing boundary components=1
  },
  /tikz/tqft cap/.style={
    /tikz/tqft/cap,
  },
}
\def\tqft@val#1{\pgfkeysvalueof{/tikz/tqft/#1}}
\tikzset{
  cobordism/.pic={
      \gdef\tqft@fullpath{}%
      \global\let\tqft@blist\pgfutil@gobble%
      \gdef\tqft@gclip{}%
      \global\let\tqft@glist\pgfutil@gobble%
      \global\let\tqft@clist\pgfutil@gobble%
      \global\let\tqft@alist\pgfutil@gobble
      \global\let\tqft@ibdrylist=\pgfutil@gobble
      \global\let\tqft@cibdrylist=\pgfutil@gobble
      \global\let\tqft@obdrylist=\pgfutil@gobble
      \global\let\tqft@cobdrylist=\pgfutil@gobble
      \global\let\tqft@robdrylist=\pgfutil@gobble
      \global\let\tqft@rcobdrylist=\pgfutil@gobble
      \ifnum\tqft@val{incoming boundary components}>0\relax
      \xdef\tqft@fullpath{%
        \tqft@fullpath
        (-\tqft@val{circle x radius},0) arc[start angle=\pgf@tqft@upper180, end angle=0, x radius=\tqft@val{circle x radius}, y radius=\tqft@val{circle y radius}]
      }%
      \xdef\tqft@alist{%
        \tqft@alist,-incoming boundary 1/{(0,0)},-incoming boundary/{(0,0)}%
      }%
    \ifnum\tqft@val{incoming boundary components}>1\relax
    \foreach \k in {2,...,\tqft@val{incoming boundary components}} {
      \edef\tqft@temp{\noexpand\pgfutil@in@{,\k,}{,\tqft@val{skip incoming boundary components},}}
      \tqft@temp
      \ifpgfutil@in@
      \xdef\tqft@cibdrylist{\tqft@cibdrylist,\k}
      \else
      \xdef\tqft@ibdrylist{\tqft@ibdrylist,\k}
      \fi
    }
    \ifx\tqft@ibdrylist\pgfutil@gobble
    \else
    \foreach \k [
      remember=\k as \kmo (initially 1),
        evaluate=\k as \xpos using (\k-1)*\tqft@val{boundary separation} -\tqft@val{circle x radius},
    ] in \tqft@ibdrylist {
      \pgfmathsetmacro\xppos{(\kmo - 1)*\tqft@val{boundary separation} + \tqft@val{circle x radius}}
      \pgfmathsetmacro\cpos{(\xpos + \xppos)/2}
        \xdef\tqft@fullpath{%
          \tqft@fullpath
           .. controls +(0,-\tqft@val{cobordism height}/3) and +(0,-\tqft@val{cobordism height}/3) ..  (\xpos pt,0) arc[start angle=\pgf@tqft@upper180, end angle=0, x radius=\tqft@val{circle x radius}, y radius=\tqft@val{circle y radius}]
      }%
        \xdef\tqft@blist{%
          \tqft@blist,incoming boundary \k/incoming/{%
      (\xppos pt,0) .. controls +(0,-\tqft@val{cobordism height}/3) and +(0,-\tqft@val{cobordism height}/3) .. (\xpos pt,0)}%
      }%
      \xdef\tqft@clist{%
        \tqft@clist,-between incoming \kmo\space and \k/{(\cpos pt,-\tqft@val{cobordism height}/4)}%
      }%
      \xdef\tqft@alist{%
        \tqft@alist,-incoming boundary \k/{(\kmo * \tqft@val{boundary separation},0)}%
      }%
    }%
    \fi
      \fi
      \ifnum\tqft@val{outgoing boundary components}>0\relax
        \pgfmathsetmacro\xppos{(\tqft@val{outgoing boundary components} -1+\tqft@val{offset}) * \tqft@val{boundary separation} +\tqft@val{circle x radius}}%
      \pgfmathsetmacro\tqft@ht{abs(\tqft@val{incoming boundary components} - \tqft@val{outgoing boundary components} - \tqft@val{offset})}%
      \pgfmathsetmacro\tqft@ht{1/3 + 2/3*\tqft@ht/(\tqft@ht + 1)}%
      \xdef\tqft@fullpath{%
        \tqft@fullpath
        .. controls +(0,-\tqft@ht*\tqft@val{cobordism height}) and +(0,\tqft@ht*\tqft@val{cobordism height}) .. (\xppos pt, -\tqft@val{cobordism height})
      }%
      \xdef\tqft@blist{%
        \tqft@blist,between last incoming and last outgoing/incoming and outgoing/{%
        (\tqft@val{incoming boundary components} * \tqft@val{boundary separation} + \tqft@val{circle x radius} - \tqft@val{boundary separation},0pt)
        .. controls +(0,-\tqft@ht*\tqft@val{cobordism height}) and +(0,\tqft@ht*\tqft@val{cobordism height}) .. (\xppos pt, -\tqft@val{cobordism height})}%
      }%
      \pgfmathsetmacro\xppos{(\xppos + (\tqft@val{incoming boundary components} -1) * \tqft@val{boundary separation} +\tqft@val{circle x radius})/2}%
      \xdef\tqft@clist{%
        \tqft@clist,-between last incoming and last outgoing/{(\xppos pt,-\tqft@val{cobordism height}/2)}%
      }%
      \else
      \pgfmathsetmacro\tqft@ht{1/3 + 2/3*(\tqft@val{incoming boundary components} - 1)/\tqft@val{incoming boundary components}}
      \xdef\tqft@fullpath{%
        \tqft@fullpath
        .. controls +(0,-\tqft@ht*\tqft@val{cobordism height}) and +(0,-\tqft@ht*\tqft@val{cobordism height}) .. (-\tqft@val{circle x radius},0)
      }%
      \xdef\tqft@blist{%
        \tqft@blist,between first incoming and last incoming/incoming and outgoing/{%
        (\tqft@val{incoming boundary components} * \tqft@val{boundary separation} + \tqft@val{circle x radius} - \tqft@val{boundary separation},0pt)
        .. controls +(0,-\tqft@ht*\tqft@val{cobordism height}) and +(0,-\tqft@ht*\tqft@val{cobordism height}) .. (-\tqft@val{circle x radius},0)}
      }%
      \pgfmathsetmacro\xppos{(\tqft@val{incoming boundary components} -1) * \tqft@val{boundary separation}/2}%
      \xdef\tqft@clist{%
        \tqft@clist,-between first incoming and last incoming/{(\xppos pt,-\tqft@ht*\tqft@val{cobordism height}*3/4)}%
      }%
      \fi
      \else
      \ifnum\tqft@val{outgoing boundary components}>0\relax
        \pgfmathsetmacro\xppos{(\tqft@val{outgoing boundary components} -1+\tqft@val{offset}) * \tqft@val{boundary separation} +\tqft@val{circle x radius}}
      \xdef\tqft@fullpath{%
        \tqft@fullpath
        (\xppos pt, -\tqft@val{cobordism height})
      }%
      \fi
      \fi
      \ifnum\tqft@val{outgoing boundary components}>0\relax
      \pgfmathsetmacro\xppos{(\tqft@val{outgoing boundary components} -1+\tqft@val{offset}) * \tqft@val{boundary separation} -\tqft@val{circle x radius}}%
      \xdef\tqft@fullpath{%
        \tqft@fullpath
        arc[end angle=\pgf@tqft@upper180, start angle=0, x radius=\tqft@val{circle x radius}, y radius=\tqft@val{circle y radius}]
      }%
      \xdef\tqft@alist{%
        \tqft@alist,-outgoing boundary \tqft@val{outgoing boundary components}/{(\xppos pt + \tqft@val{circle x radius},-\tqft@val{cobordism height})},-outgoing boundary/{(\tqft@val{offset}*\tqft@val{boundary separation},-\tqft@val{cobordism height})}%
      }%
      \ifnum\tqft@val{outgoing boundary components}>1\relax
    \foreach \k [evaluate=\k as \ok using int(\tqft@val{outgoing boundary components} - \k + 1)] in {2,...,\tqft@val{outgoing boundary components}} {
      \edef\tqft@temp{\noexpand\pgfutil@in@{,\ok,}{,\tqft@val{skip outgoing boundary components},}}
      \tqft@temp
      \ifpgfutil@in@
      \xdef\tqft@cobdrylist{\tqft@cobdrylist,\k}
      \else
      \xdef\tqft@obdrylist{\tqft@obdrylist,\k}
      \fi
    }
    \ifx\tqft@obdrylist\pgfutil@gobble
    \else
    \foreach \k [
      remember=\k as \kmo (initially 1),
        evaluate=\k as \xpos using (\tqft@val{outgoing boundary components} - \k + \tqft@val{offset})*\tqft@val{boundary separation} + \tqft@val{circle x radius},
    ] in \tqft@obdrylist {
      \pgfmathsetmacro\xppos{(\tqft@val{outgoing boundary components} - \kmo + \tqft@val{offset})*\tqft@val{boundary separation} - \tqft@val{circle x radius}}
        \pgfmathsetmacro\cpos{(\xpos + \xppos)/2}
        \pgfmathsetmacro\nk{int(\tqft@val{outgoing boundary components} - \k + 1)}
        \pgfmathsetmacro\nkpo{int(\tqft@val{outgoing boundary components} - \kmo + 1)}
        \xdef\tqft@fullpath{%
          \tqft@fullpath
           .. controls +(0,\tqft@val{cobordism height}/3) and +(0,\tqft@val{cobordism height}/3) ..  (\xpos pt,-\tqft@val{cobordism height}) arc[end angle=\pgf@tqft@upper180, start angle=0, x radius=\tqft@val{circle x radius}, y radius=\tqft@val{circle y radius}]
      }%
        \xdef\tqft@blist{%
          \tqft@blist,between outgoing \nk\space and \nkpo/outgoing/{%
 (\xppos pt,-\tqft@val{cobordism height})
           .. controls +(0,\tqft@val{cobordism height}/3) and +(0,\tqft@val{cobordism height}/3) ..  (\xpos pt,-\tqft@val{cobordism height}) ++(-2*\tqft@val{circle x radius},0)}%
      }%
      \xdef\tqft@clist{%
        \tqft@clist,-between outgoing \nk\space and \nkpo/{(\cpos pt,-3*\tqft@val{cobordism height}/4)}%
      }%
      \xdef\tqft@alist{%
        \tqft@alist,-outgoing boundary \nk/{(\xpos pt - \tqft@val{circle x radius},-\tqft@val{cobordism height})}%
      }%
      }%
    \fi
    \fi
      \ifnum\tqft@val{incoming boundary components}>0\relax
      \pgfmathsetmacro\tqft@ht{1/3 + 2/3*abs(\tqft@val{offset})/(abs(\tqft@val{offset}) + 1)}%
      \xdef\tqft@fullpath{%
        \tqft@fullpath
        .. controls +(0,\tqft@ht*\tqft@val{cobordism height}) and +(0,-\tqft@ht*\tqft@val{cobordism height}) .. (-\tqft@val{circle x radius},0)
      }%
      \xdef\tqft@blist{%
        \tqft@blist,between first incoming and first outgoing/incoming and outgoing/{%
    (\tqft@val{offset} * \tqft@val{boundary separation} - \tqft@val{circle x radius},-\tqft@val{cobordism height})
        .. controls +(0,\tqft@ht*\tqft@val{cobordism height}) and +(0,-\tqft@ht*\tqft@val{cobordism height}) .. (-\tqft@val{circle x radius},0)}%
      }%
      \xdef\tqft@clist{%
        \tqft@clist,-between first incoming and first outgoing/{(\tqft@val{offset}*\tqft@val{boundary separation}/2-\tqft@val{circle x radius},-\tqft@val{cobordism height}/2)}%
      }%
      \else
      \pgfmathsetmacro\xppos{(\tqft@val{outgoing boundary components} -1+\tqft@val{offset}) * \tqft@val{boundary separation} +\tqft@val{circle x radius}}%
      \pgfmathsetmacro\tqft@ht{1/3 + 2/3*(\tqft@val{outgoing boundary components} - 1)/\tqft@val{outgoing boundary components}}
      \xdef\tqft@fullpath{%
        \tqft@fullpath
        .. controls +(0,\tqft@ht*\tqft@val{cobordism height}) and +(0,\tqft@ht*\tqft@val{cobordism height}) .. (\xppos pt,-\tqft@val{cobordism height})
      }%
      \xdef\tqft@blist{%
        \tqft@blist,between first and last outgoing/incoming and outgoing/{%
    (\tqft@val{offset} * \tqft@val{boundary separation} - \tqft@val{circle x radius},-\tqft@val{cobordism height})
        .. controls +(0,\tqft@ht*\tqft@val{cobordism height}) and +(0,\tqft@ht*\tqft@val{cobordism height}) .. (\xppos pt,-\tqft@val{cobordism height})}%
      }%
      \pgfmathsetmacro\xppos{(\tqft@val{outgoing boundary components}/2 + \tqft@val{offset} -1/2) * \tqft@val{boundary separation}}%
      \pgfmathsetmacro\tqft@ht{1 -\tqft@ht*3/4}%
      \xdef\tqft@clist{%
        \tqft@clist,-between first and last outgoing/{(\xppos pt,-\tqft@ht*\tqft@val{cobordism height})}%
      }%
      \fi
      \fi
      \pgfmathsetmacro\xpos{%
        (
        \tqft@val{outgoing boundary components} > 0 ?
        (
        \tqft@val{incoming boundary components} > 0 ?
        min(0,\tqft@val{offset}) : \tqft@val{offset}
        ) : 0
        )
        *\tqft@val{boundary separation} - 2*\tqft@val{circle x radius}}%
      \xdef\tqft@gclip{(\xpos pt,2*\tqft@val{circle y radius}) rectangle }%
      \pgfmathsetmacro\xpos{%
        ((
        \tqft@val{outgoing boundary components} > 0 ?
        (
        \tqft@val{incoming boundary components} > 0 ?
        max(\tqft@val{incoming boundary components},\tqft@val{outgoing boundary components} + \tqft@val{offset}) : \tqft@val{outgoing boundary components} + \tqft@val{offset}
        ) : \tqft@val{incoming boundary components}
        )-1)
        *\tqft@val{boundary separation} + 2*\tqft@val{circle x radius}}%
      \xdef\tqft@gclip{\tqft@gclip (\xpos pt,-\tqft@val{cobordism height} - 2*\tqft@val{circle y radius})}%
      \ifnum\tqft@val{genus}>0\relax
      \pgfmathsetmacro\xpos{%
        (
        \tqft@val{outgoing boundary components} > 0 ?
        (
        \tqft@val{incoming boundary components} > 0 ?
        \tqft@val{offset}/2 : \tqft@val{offset}
        ) : 0
        )
        *\tqft@val{boundary separation} - \tqft@val{circle x radius}}%
      \pgfmathsetmacro\ypos{%
        (
        \tqft@val{outgoing boundary components} > 0 ?
        (
        \tqft@val{incoming boundary components} > 0 ?
        -\tqft@val{cobordism height}/2 : -1 + \tqft@val{cobordism height}/3
        ) : - \tqft@val{cobordism height}/3
        )}%
      \xdef\tqft@gclip{%
        \tqft@gclip
        (\xpos pt,\ypos pt)
      }%
      \pgfmathsetmacro\gsize{%
        ((
        \tqft@val{outgoing boundary components} > 0 ?
        (
        \tqft@val{incoming boundary components} > 0 ?
        (\tqft@val{incoming boundary components} + \tqft@val{outgoing boundary components})/2 : \tqft@val{outgoing boundary components}
        ) : \tqft@val{incoming boundary components}
        )-1)
        *\tqft@val{boundary separation}/\tqft@val{circle x radius} + 2}%
      \pgfmathsetmacro\gscale{min(1,\gsize/(3*\tqft@val{genus}+1))}%
      \pgfmathsetmacro\gyscale{\tqft@val{circle y radius}*\gscale*.707}%
      \pgfmathsetmacro\gxscale{\tqft@val{circle x radius}*\gscale}%
      \pgfmathsetmacro\gsep{((\gsize - 2*\tqft@val{genus}*\gscale)/(\tqft@val{genus} + 1)*\tqft@val{circle x radius}}%
      \xdef\tqft@gclip{%
        \tqft@gclip
        ++(\gsep/2 pt,0)
      }%
      \pgfmathsetmacro\omrstwo{1 - 1/sqrt(2)}%
      \pgfmathsetmacro\sqrtwo{sqrt(2)}%
      \foreach[
        evaluate=\k as \kmo using int(2 * \k-1)
      ] \k in {1,...,\tqft@val{genus}} {
        \xdef\tqft@gclip{%
          \tqft@gclip
          ++(\gsep/2 pt + \omrstwo*\gxscale pt,0)
          .. controls +(\gxscale*\sqrtwo/3 pt,4/3*\gyscale pt) and +(-\gxscale*\sqrtwo/3 pt,4/3*\gyscale pt)
          .. ++(\sqrtwo*\gxscale pt,0)
          .. controls +(-\gxscale*\sqrtwo/3 pt,-4/3*\gyscale pt) and +(\gxscale*\sqrtwo/3 pt,-4/3*\gyscale pt)
          .. ++(-\sqrtwo*\gxscale pt,0)
          ++(2*\gxscale pt -\omrstwo*\gxscale pt + \gsep/2 pt,0)
        }
        \xdef\tqft@glist{%
          \tqft@glist,%
            hole \k/lower/{%
            (\xpos pt + \k * \gsep pt +  \kmo * \gxscale pt + \gxscale pt -\omrstwo*\gxscale pt,\ypos pt)
          .. controls +(-\gxscale pt*\sqrtwo/3,\pgf@tqft@upper4/3*\gyscale pt) and +(\gxscale pt*\sqrtwo/3,\pgf@tqft@upper4/3*\gyscale pt)
          .. ++(-\sqrtwo*\gxscale pt,0)},%
          hole \k/upper/{(\xpos pt + \k * \gsep pt +  \kmo * \gxscale pt - \gxscale pt,\ypos pt + \pgf@tqft@upper\gyscale pt)%
          .. controls +(\gxscale pt*2/3,\pgf@tqft@lower8/3*\gyscale pt) and +(-\gxscale pt*2/3,\pgf@tqft@lower8/3*\gyscale pt)
          .. ++(2*\gxscale pt,0)}%
        }%
        \xdef\tqft@clist{%
          \tqft@clist,-hole \k/{(\xpos pt + \k * \gsep pt +  \kmo * \gxscale pt,\ypos pt)}%
        }%
      }%
      \fi
\gdef\tqft@shift{(0,0)}%
\edef\tqft@anchor{\tqft@val{anchor}}%
\expandafter\pgfutil@in@\expandafter{\expandafter,\expandafter}\expandafter{\tqft@anchor}%
\ifpgfutil@in@
\expandafter\tqft@split\tqft@anchor\relax
\else
\edef\tqft@anchor{-\tqft@val{anchor}}%
\xdef\tqft@alist{\tqft@clist,\tqft@alist}%
\foreach \anchor/\coord in \tqft@alist
{
  \ifx\anchor\tqft@anchor\relax
  \global\let\tqft@shift\coord
  \fi
}%
\fi
\tikz@scan@one@point\pgfutil@firstofone\tqft@shift\relax
\begin{scope}[shift={(-\pgf@x,-\pgf@y)}]
\ifnum\tqft@val{incoming boundary components}>0\relax
\ifx\tqft@ibdrylist\pgfutil@gobble
\xdef\tqft@ibdrylist{1}
\else
\xdef\tqft@ibdrylist{1,\tqft@ibdrylist}
\fi
      \foreach[evaluate=\k as \xpos using (\k-1)*\tqft@val{boundary separation}] \k in \tqft@ibdrylist {
        \node[
          node contents={},
          ellipse,
          inner sep=0pt,
          outer sep=0pt,
          minimum width=2*\tqft@val{circle x radius},
          minimum height=2*\tqft@val{circle y radius},
          at={(\xpos pt,0)},
          name=-incoming boundary \k,
          /tikz/tqft/every boundary component/.try,
          /tikz/tqft/every incoming boundary component/.try,
          /tikz/tqft/incoming boundary component \k/.try
        ];
      }%
\ifx\tqft@cibdrylist\pgfutil@gobble
\else
      \foreach[evaluate=\k as \xpos using (\k-1)*\tqft@val{boundary separation}] \k in \tqft@cibdrylist {
        \node[
          node contents={},
          ellipse,
          inner sep=0pt,
          outer sep=0pt,
          minimum width=2*\tqft@val{circle x radius},
          minimum height=2*\tqft@val{circle y radius},
          at={(\xpos pt,0)},
          name=-incoming boundary \k,
          /tikz/tqft/every skipped boundary component/.try,
          /tikz/tqft/every skipped incoming boundary component/.try,
          /tikz/tqft/skipped incoming boundary component \k/.try,
        ];
}%
\fi
      \path node also[pic alias=-incoming boundary] (-incoming boundary 1);
      \fi
      \ifnum\tqft@val{outgoing boundary components}>0\relax
\ifx\tqft@obdrylist\pgfutil@gobble
\xdef\tqft@obdrylist{1}
\else
\xdef\tqft@obdrylist{1,\tqft@obdrylist}
\fi
\foreach \k [evaluate=\k as \ok using int(\tqft@val{outgoing boundary components} - \k + 1)] in \tqft@obdrylist {
  \xdef\tqft@robdrylist{\tqft@robdrylist,\ok}
}
      \foreach[
        evaluate=\k as \xpos using (\k-1+\tqft@val{offset})*\tqft@val{boundary separation}
      ] \k in \tqft@robdrylist {
          \node[
          node contents={},
          ellipse,
          inner sep=0pt,
          outer sep=0pt,
          minimum width=2*\tqft@val{circle x radius},
          minimum height=2*\tqft@val{circle y radius},
          at={(\xpos pt,-\tqft@val{cobordism height})},
          name=-outgoing boundary \k,
          /tikz/tqft/every boundary component/.try,
          /tikz/tqft/every outgoing boundary component/.try,
          /tikz/tqft/outgoing boundary component \k/.try
        ];
}%
\ifx\tqft@cobdrylist\pgfutil@gobble
\else
\foreach \k [evaluate=\k as \ok using int(\tqft@val{outgoing boundary components} - \k + 1)] in \tqft@cobdrylist {
  \xdef\tqft@rcobdrylist{\tqft@rcobdrylist,\ok}
}
      \foreach[
        evaluate=\k as \xpos using (\k-1+\tqft@val{offset})*\tqft@val{boundary separation}
      ] \k in \tqft@rcobdrylist {
          \node[
          node contents={},
          ellipse,
          inner sep=0pt,
          outer sep=0pt,
          minimum width=2*\tqft@val{circle x radius},
          minimum height=2*\tqft@val{circle y radius},
          at={(\xpos pt,-\tqft@val{cobordism height})},
          name=-outgoing boundary \k,
          /tikz/tqft/every skipped boundary component/.try,
          /tikz/tqft/every skipped outgoing boundary component/.try,
          /tikz/tqft/skipped outgoing boundary component \k/.try
        ];
      }%
\fi
      \path node also[pic alias=-outgoing boundary] (-outgoing boundary 1);
      \fi
      \ifnum\tqft@val{incoming boundary components}>0\relax
      \foreach[evaluate=\k as \xpos using (\k-1)*\tqft@val{boundary separation}] \k in \tqft@ibdrylist {
        \path[
          /tikz/tqft/every lower boundary component/.try,
          /tikz/tqft/every incoming lower boundary component/.try,
          /tikz/tqft/incoming lower boundary component \k/.try
        ] (\xpos pt - \tqft@val{circle x radius},0) arc[start angle=\pgf@tqft@lower180,end angle=0, x radius=\tqft@val{circle x radius}, y radius =\tqft@val{circle y radius}];
      }%
      \fi
      \ifnum\tqft@val{outgoing boundary components}>0\relax
      \foreach[
        evaluate=\k as \xpos using (\k-1+\tqft@val{offset})*\tqft@val{boundary                   separation}
      ] \k in \tqft@robdrylist {
        \path[
          /tikz/tqft/every lower boundary component/.try,
          /tikz/tqft/every outgoing lower boundary component/.try,
          /tikz/tqft/outgoing lower boundary component \k/.try
        ] (\xpos pt - \tqft@val{circle x radius},-\tqft@val{cobordism height}) arc[start angle=\pgf@tqft@lower180,end angle=0, x radius=\tqft@val{circle x radius}, y radius =\tqft@val{circle y radius}];
        }%
      \fi
      \begin{scope}
      \path[overlay,clip] \tqft@gclip;
      \path[
        /tikz/tqft/cobordism/.try,
        pic actions,
        /tikz/tqft/cobordism outer path/.try,
      ] \tqft@fullpath;
      \end{scope}
\ifx\tqft@glist\pgfutil@gobble
\else
\foreach \tqft@gstyle/\tqft@gside/\tqft@gpath in \tqft@glist {
      \path[
        /tikz/tqft/cobordism/.try,
        pic actions,
        fill=none,
        shade=none,
        /tikz/tqft/cobordism edge/.try,
        /tikz/tqft/genus style/.try,
        /tikz/tqft/genus \tqft@gside/.try,
        /tikz/tqft/\tqft@gstyle/.try,
        /tikz/tqft/\tqft@gstyle\space\tqft@gside/.try,
      ] \tqft@gpath;
}
\fi
\ifx\tqft@blist\pgfutil@gobble
\else
\foreach \tqft@bstyle/\tqft@btype/\tqft@bpath in \tqft@blist {
      \path[
        /tikz/tqft/cobordism edge/.try,
        /tikz/tqft/cobordism outer edge/.try,
        /tikz/tqft/between \tqft@btype/.try,
        /tikz/tqft/\tqft@bstyle/.try,
      ] \tqft@bpath;
}
\fi
      \ifx\tqft@clist\pgfutil@gobble
      \else
      \foreach \name/\coord in \tqft@clist {
        \path \coord node[coordinate,node contents={},name=\name];
      }
      \fi
      \ifnum\tqft@val{incoming boundary components}>0\relax
      \foreach[evaluate=\k as \xpos using (\k-1)*\tqft@val{boundary separation}] \k in \tqft@ibdrylist {
        \path[
          /tikz/tqft/every upper boundary component/.try,
          /tikz/tqft/every incoming upper boundary component/.try,
          /tikz/tqft/incoming upper boundary component \k/.try
        ] (\xpos pt - \tqft@val{circle x radius},0) arc[start angle=\pgf@tqft@upper180,end angle=0, x radius=\tqft@val{circle x radius}, y radius =\tqft@val{circle y radius}];
      }
      \fi
      \ifnum\tqft@val{outgoing boundary components}>0\relax
      \foreach[
        evaluate=\k as \xpos using (\k-1+\tqft@val{offset})*\tqft@val{boundary                   separation}
      ] \k in \tqft@robdrylist {
        \path[
          /tikz/tqft/every upper boundary component/.try,
          /tikz/tqft/every outgoing upper boundary component/.try,
          /tikz/tqft/outgoing upper boundary component \k/.try
        ] (\xpos pt - \tqft@val{circle x radius},-\tqft@val{cobordism height}) arc[start angle=\pgf@tqft@upper180,end angle=0, x radius=\tqft@val{circle x radius}, y radius =\tqft@val{circle y radius}];
      }
      \fi
\end{scope}
  }
}

%% 
%% Copyright (C) 2011 by Andrew Stacey <loopspace@mathforge.org>
%% 
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License (LPPL), either
%% version 1.3c of this license or (at your option) any later
%% version.  The latest version of this license is in the file:
%% 
%% http://www.latex-project.org/lppl.txt
%% 
%% This work is "maintained" (as per LPPL maintenance status) by
%% Andrew Stacey.
%% 
%% This work consists of the files  tqft.dtx,
%%                                  tqft_doc.tex,
%% and the derived files            tqft.ins,
%%                                  tqft.pdf,
%%                                  tqft_doc.pdf,
%%                                  tqft.sty, and
%%                                  tikzlibrarytqft.code.tex.
%% 
%%
%% End of file `tikzlibrarytqft.code.tex'.