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-rw-r--r--Master/texmf-dist/source/latex/pict2e/pict2e.dtx935
1 files changed, 486 insertions, 449 deletions
diff --git a/Master/texmf-dist/source/latex/pict2e/pict2e.dtx b/Master/texmf-dist/source/latex/pict2e/pict2e.dtx
index cbf8ac02937..814fcef508e 100644
--- a/Master/texmf-dist/source/latex/pict2e/pict2e.dtx
+++ b/Master/texmf-dist/source/latex/pict2e/pict2e.dtx
@@ -23,7 +23,7 @@
%
%<package>\NeedsTeXFormat{LaTeX2e}[1999/12/01]
%<package>\ProvidesPackage{pict2e}
-%<package> [2008/06/29 v0.2u Improved picture commands (HjG,RN,JT)]
+%<package> [2008/07/22 v0.2w Improved picture commands (HjG,RN,JT)]
%
%<*driver>
\listfiles
@@ -59,9 +59,9 @@
% \fi
%
% \GetFileInfo{pict2e.sty}
-% \def\docdate{2008/06/29}
+% \def\docdate{2008/07/22}
%
-% \CheckSum{2030}
+% \CheckSum{2073}
%
% ^^A ========
%
@@ -177,6 +177,8 @@
% added \cmd{\arc}, \cmd{\Line}, \cmd{\polyline}, \cmd{\polygon},
% types of lines and their connections, path commands (JT)}
% \changes{v0.2u}{2008/06/29}{Also real slopes for lines and vectors. (JT)}
+% \changes{v0.2v}{2008/07/19}{Improved internal division macro. (JT)}
+% \changes{v0.2w}{2008/07/22}{Number of points in \cmd{\qbezier} not ignored. (JT)}
% \fi
%
% \changes{v0.1a}{2003/07/18}{First version. (RN)}
@@ -192,6 +194,10 @@
% (2004/08/06 v0.2q). (RN/HjG)}
% \changes{v0.2u}{2008/06/29}{Fifth release to CTAN
% (2008/06/29 v0.2u). (JT)}
+% \changes{v0.2v}{2008/07/19}{Sixth release to CTAN
+% (2008/07/19 v0.2v). (JT)}
+% \changes{v0.2w}{2008/07/22}{Seventh release to CTAN
+% (2008/07/19 v0.2v). (JT)}
%
%
% \DoNotIndex{\newcommand,\renewcommand,\newenvironment,\renewenvironment}
@@ -1147,9 +1153,9 @@
% |\qbezier|\oarg{N}\parg{AX,AY}\parg{BX,BY}\parg{CX,CY}\\
% |\cbezier|\oarg{N}\parg{AX,AY}\parg{BX,BY}\parg{CX,CY}\parg{DX,DY}\\
% In \SL, the \emph{N} argument specifies the number of points to
-% ^^A ??? off by 1 !!!
-% plot, with the maximum defined by \cmd{\qbeziermax}.
-% ^^A Cite Lamport !!!
+% plot: $N+1$ for a positive integer $N$, appropriate number
+% (at most \cmd{\qbeziermax}) for $N=0$ or if
+% the optional argument is missing.
% With \LaTeX\ versions prior to 2003/12/01, the quadratic Bezier
% curves plotted by this package will not match those of the \SL\
% implementation exactly, due to a bug in positioning the dots used to
@@ -1170,12 +1176,9 @@
% \end{ltxquote}
%
% \noindent
-% More accurately, the argument specifying the maximum number of
-% points to plot is simply ignored in this new implementation of
-% \textsf{pict2e}, as is \cmd{\qbeziermax},
-% since the \textsf{pict2e} package uses primitive operators of the
-% output (back-end) format, using only the given ``control points''.
-% (For details, see the implementation part.)
+% More accurately, if the optional argument is absent or is 0,
+% the \textsf{pict2e} package uses primitive operators of the
+% output (back-end) format to draw a full curve.
%
% \begin{figure}
% \noindent
@@ -1729,7 +1732,7 @@
% The following definitions allow the \PS\ and \PDF\ operations below
% to share some of the code.
% \begin{macrocode}
-\ifcase\pIIe@mode\relax
+ \ifcase\pIIe@mode\relax
% \end{macrocode}
%
% \begin{macro}{\pIIe@moveto@op}
@@ -1742,15 +1745,15 @@
% \begin{macro}{\pIIe@closepath@op}
% \PS
% \begin{macrocode}
-\or
- \newcommand*\pIIe@moveto@op{moveto}
- \newcommand*\pIIe@lineto@op{lineto}
- \newcommand*\pIIe@setlinewidth@op{setlinewidth}
- \newcommand*\pIIe@stroke@op{stroke}
- \newcommand*\pIIe@fill@op{fill}
- \newcommand*\pIIe@curveto@op{curveto}
- \newcommand*\pIIe@concat@op{concat}
- \newcommand*\pIIe@closepath@op{closepath}
+ \or
+ \newcommand*\pIIe@moveto@op{moveto}
+ \newcommand*\pIIe@lineto@op{lineto}
+ \newcommand*\pIIe@setlinewidth@op{setlinewidth}
+ \newcommand*\pIIe@stroke@op{stroke}
+ \newcommand*\pIIe@fill@op{fill}
+ \newcommand*\pIIe@curveto@op{curveto}
+ \newcommand*\pIIe@concat@op{concat}
+ \newcommand*\pIIe@closepath@op{closepath}
% \end{macrocode}
% \end{macro}
% \end{macro}
@@ -1771,15 +1774,15 @@
% \begin{macro}{\pIIe@closepath@op}
% \PDF
% \begin{macrocode}
-\or
- \newcommand*\pIIe@moveto@op{m}
- \newcommand*\pIIe@lineto@op{l}
- \newcommand*\pIIe@setlinewidth@op{w}
- \newcommand*\pIIe@stroke@op{S}
- \newcommand*\pIIe@fill@op{f}
- \newcommand*\pIIe@curveto@op{c}
- \newcommand*\pIIe@concat@op{cm}
- \newcommand*\pIIe@closepath@op{h}
+ \or
+ \newcommand*\pIIe@moveto@op{m}
+ \newcommand*\pIIe@lineto@op{l}
+ \newcommand*\pIIe@setlinewidth@op{w}
+ \newcommand*\pIIe@stroke@op{S}
+ \newcommand*\pIIe@fill@op{f}
+ \newcommand*\pIIe@curveto@op{c}
+ \newcommand*\pIIe@concat@op{cm}
+ \newcommand*\pIIe@closepath@op{h}
% \end{macrocode}
% \end{macro}
% \end{macro}
@@ -1793,7 +1796,7 @@
% \noindent
% (Currently, there are no other modes.)
% \begin{macrocode}
-\fi
+ \fi
% \end{macrocode}
%
% \subsection{Low-level operations}
@@ -1942,7 +1945,7 @@
% \end{macro}
%
% \begin{macrocode}
-\ifcase\pIIe@mode\relax
+ \ifcase\pIIe@mode\relax
% \end{macrocode}
%
% \begin{macro}{\pIIe@concat}
@@ -1952,22 +1955,22 @@
% \begin{macro}{\pIIe@scale@PTtoBP}
% \PS: Use some operators directly.
% \begin{macrocode}
-\or
- \newcommand*\pIIe@concat[6]{%
- \begingroup
- \pIIe@addtoGraph{[}%
- \@tempdima#1\relax \@tempdimb#2\relax
- \pIIe@add@nums\@tempdima\@tempdimb
- \@tempdima#3\relax \@tempdimb#4\relax
- \pIIe@add@nums\@tempdima\@tempdimb
- \@tempdima#5\relax \@tempdimb#6\relax
- \pIIe@add@nums\@tempdima\@tempdimb
- \pIIe@addtoGraph{] \pIIe@concat@op}%
- \endgroup}
- \newcommand*\pIIe@translate[2]{\pIIe@add@nums{#1}{#2}\pIIe@addtoGraph{translate}}
- \newcommand*\pIIe@rotate[1]{\pIIe@add@num{#1}\pIIe@addtoGraph{rotate}}
- \newcommand*\pIIe@scale[2]{\pIIe@add@nums{#1}{#2}\pIIe@addtoGraph{scale}}
- \newcommand*\pIIe@scale@PTtoBP{\pIIe@PTtoBP \pIIe@PTtoBP scale}
+ \or
+ \newcommand*\pIIe@concat[6]{%
+ \begingroup
+ \pIIe@addtoGraph{[}%
+ \@tempdima#1\relax \@tempdimb#2\relax
+ \pIIe@add@nums\@tempdima\@tempdimb
+ \@tempdima#3\relax \@tempdimb#4\relax
+ \pIIe@add@nums\@tempdima\@tempdimb
+ \@tempdima#5\relax \@tempdimb#6\relax
+ \pIIe@add@nums\@tempdima\@tempdimb
+ \pIIe@addtoGraph{] \pIIe@concat@op}%
+ \endgroup}
+ \newcommand*\pIIe@translate[2]{\pIIe@add@nums{#1}{#2}\pIIe@addtoGraph{translate}}
+ \newcommand*\pIIe@rotate[1]{\pIIe@add@num{#1}\pIIe@addtoGraph{rotate}}
+ \newcommand*\pIIe@scale[2]{\pIIe@add@nums{#1}{#2}\pIIe@addtoGraph{scale}}
+ \newcommand*\pIIe@scale@PTtoBP{\pIIe@PTtoBP \pIIe@PTtoBP scale}
% \end{macrocode}
% \end{macro}
% \end{macro}
@@ -1982,31 +1985,31 @@
% \begin{macro}{\pIIe@scale@PTtoBP}
% \PDF: Emulate. \mbox{\texttt{:-(}}
% \begin{macrocode}
-\or
- \newcommand*\pIIe@concat[6]{%
- \begingroup
- \@tempdima#1\relax \@tempdimb#2\relax
- \pIIe@add@nums\@tempdima\@tempdimb
- \@tempdima#3\relax \@tempdimb#4\relax
- \pIIe@add@nums\@tempdima\@tempdimb
- \@tempdima#5\relax \@tempdimb#6\relax
- \pIIe@add@nums\@tempdima\@tempdimb
- \pIIe@addtoGraph\pIIe@concat@op
- \endgroup}
- \newcommand*\pIIe@translate[2]{\pIIe@concat\p@\z@\z@\p@{#1}{#2}}
- \newcommand*\pIIe@rotate[1]{%
- \begingroup
- \@tempdima#1\relax
- \edef\pIIe@tempa{\strip@pt\@tempdima}%
- \CalculateSin\pIIe@tempa
- \CalculateCos\pIIe@tempa
- \edef\pIIe@tempb{\UseSin\pIIe@tempa}%
- \edef\pIIe@tempc{\UseCos\pIIe@tempa}%
- \pIIe@concat{\pIIe@tempc\p@}{\pIIe@tempb\p@}%
- {-\pIIe@tempb\p@}{\pIIe@tempc\p@}\z@\z@
- \endgroup}
- \newcommand*\pIIe@scale[2]{\pIIe@concat{#1}\z@\z@{#2}\z@\z@}
- \newcommand*\pIIe@scale@PTtoBP{\pIIe@PTtoBP 0 0 \pIIe@PTtoBP 0 0 \pIIe@concat@op}
+ \or
+ \newcommand*\pIIe@concat[6]{%
+ \begingroup
+ \@tempdima#1\relax \@tempdimb#2\relax
+ \pIIe@add@nums\@tempdima\@tempdimb
+ \@tempdima#3\relax \@tempdimb#4\relax
+ \pIIe@add@nums\@tempdima\@tempdimb
+ \@tempdima#5\relax \@tempdimb#6\relax
+ \pIIe@add@nums\@tempdima\@tempdimb
+ \pIIe@addtoGraph\pIIe@concat@op
+ \endgroup}
+ \newcommand*\pIIe@translate[2]{\pIIe@concat\p@\z@\z@\p@{#1}{#2}}
+ \newcommand*\pIIe@rotate[1]{%
+ \begingroup
+ \@tempdima#1\relax
+ \edef\pIIe@tempa{\strip@pt\@tempdima}%
+ \CalculateSin\pIIe@tempa
+ \CalculateCos\pIIe@tempa
+ \edef\pIIe@tempb{\UseSin\pIIe@tempa}%
+ \edef\pIIe@tempc{\UseCos\pIIe@tempa}%
+ \pIIe@concat{\pIIe@tempc\p@}{\pIIe@tempb\p@}%
+ {-\pIIe@tempb\p@}{\pIIe@tempc\p@}\z@\z@
+ \endgroup}
+ \newcommand*\pIIe@scale[2]{\pIIe@concat{#1}\z@\z@{#2}\z@\z@}
+ \newcommand*\pIIe@scale@PTtoBP{\pIIe@PTtoBP 0 0 \pIIe@PTtoBP 0 0 \pIIe@concat@op}
% \end{macrocode}
% \end{macro}
% \end{macro}
@@ -2017,7 +2020,7 @@
% \noindent
% (Currently, there are no other modes.)
% \begin{macrocode}
-\fi
+ \fi
% \end{macrocode}
%
% \subsubsection{Path definitions}
@@ -2027,7 +2030,7 @@
% Simple things \dots
% \begin{macrocode}
\newcommand*\pIIe@moveto[2]{%
- \pIIe@add@CP{#1}{#2}\pIIe@addtoGraph\pIIe@moveto@op}
+ \pIIe@add@CP{#1}{#2}\pIIe@addtoGraph\pIIe@moveto@op}
% \end{macrocode}
% \end{macro}
%
@@ -2035,7 +2038,7 @@
% \dots\ have to be defined, too.
% \begin{macrocode}
\newcommand*\pIIe@lineto[2]{%
- \pIIe@add@CP{#1}{#2}\pIIe@addtoGraph\pIIe@lineto@op}
+ \pIIe@add@CP{#1}{#2}\pIIe@addtoGraph\pIIe@lineto@op}
% \end{macrocode}
% \end{macro}
%
@@ -2043,24 +2046,24 @@
% We'll use \cmd{\pIIe@rcurveto} to draw quarter circles.
% (\cmd{\circle} and \cmd{\oval}).
% \begin{macrocode}
-\ifcase\pIIe@mode\relax
+ \ifcase\pIIe@mode\relax
% \end{macrocode}
%
% \begin{macro}{\pIIe@rcurveto}
% \PS:
% Use the ``rcurveto'' operator directly.
% \begin{macrocode}
-\or
- \newcommand*\pIIe@rcurveto[6]{%
- \begingroup
- \@tempdima#1\relax \@tempdimb#2\relax
- \pIIe@add@nums\@tempdima\@tempdimb
- \@tempdima#3\relax \@tempdimb#4\relax
- \pIIe@add@nums\@tempdima\@tempdimb
- \@tempdima#5\relax \@tempdimb#6\relax
- \pIIe@add@CP\@tempdima\@tempdimb
- \pIIe@addtoGraph{rcurveto}%
- \endgroup}
+ \or
+ \newcommand*\pIIe@rcurveto[6]{%
+ \begingroup
+ \@tempdima#1\relax \@tempdimb#2\relax
+ \pIIe@add@nums\@tempdima\@tempdimb
+ \@tempdima#3\relax \@tempdimb#4\relax
+ \pIIe@add@nums\@tempdima\@tempdimb
+ \@tempdima#5\relax \@tempdimb#6\relax
+ \pIIe@add@CP\@tempdima\@tempdimb
+ \pIIe@addtoGraph{rcurveto}%
+ \endgroup}
% \end{macrocode}
% \end{macro}
%
@@ -2071,27 +2074,27 @@
% change the ``current point'' must set \cmd{\pIIe@CPx} and
% \cmd{\pIIe@CPy}.
% \begin{macrocode}
-\or
- \newcommand*\pIIe@rcurveto[6]{%
- \begingroup
- \@tempdima#1\advance\@tempdima\pIIe@CPx\relax
- \@tempdimb#2\advance\@tempdimb\pIIe@CPy\relax
- \pIIe@add@nums\@tempdima\@tempdimb
- \@tempdima#3\advance\@tempdima\pIIe@CPx\relax
- \@tempdimb#4\advance\@tempdimb\pIIe@CPy\relax
- \pIIe@add@nums\@tempdima\@tempdimb
- \@tempdima#5\advance\@tempdima\pIIe@CPx\relax
- \@tempdimb#6\advance\@tempdimb\pIIe@CPy\relax
- \pIIe@add@CP\@tempdima\@tempdimb
- \pIIe@addtoGraph\pIIe@curveto@op
- \endgroup}
+ \or
+ \newcommand*\pIIe@rcurveto[6]{%
+ \begingroup
+ \@tempdima#1\advance\@tempdima\pIIe@CPx\relax
+ \@tempdimb#2\advance\@tempdimb\pIIe@CPy\relax
+ \pIIe@add@nums\@tempdima\@tempdimb
+ \@tempdima#3\advance\@tempdima\pIIe@CPx\relax
+ \@tempdimb#4\advance\@tempdimb\pIIe@CPy\relax
+ \pIIe@add@nums\@tempdima\@tempdimb
+ \@tempdima#5\advance\@tempdima\pIIe@CPx\relax
+ \@tempdimb#6\advance\@tempdimb\pIIe@CPy\relax
+ \pIIe@add@CP\@tempdima\@tempdimb
+ \pIIe@addtoGraph\pIIe@curveto@op
+ \endgroup}
% \end{macrocode}
% \end{macro}
%
% \noindent
% (Currently, there are no other modes.)
% \begin{macrocode}
-\fi
+ \fi
% \end{macrocode}
%
% \begin{macro}{\pIIe@curveto}
@@ -2137,130 +2140,161 @@
% \end{quote}
% \changes{v0.2r}{2005/07/15}{Two wrong global assignment changed. (RN)}
% \begin{macrocode}
-\newcommand*\pIIe@pyth[3]{%
- \begingroup
- \@tempdima=#1\relax
+ \newcommand*\pIIe@pyth[3]{%
+ \begingroup
+ \@tempdima=#1\relax
% \end{macrocode}
% $\cmd{\@tempdima}=\mathrm{abs}(x)$
% \begin{macrocode}
- \ifnum\@tempdima<\z@\@tempdima=-\@tempdima\fi
- \@tempdimb=#2\relax
+ \ifnum\@tempdima<\z@\@tempdima=-\@tempdima\fi
+ \@tempdimb=#2\relax
% \end{macrocode}
% $\cmd{\@tempdimb}=\mathrm{abs}(y)$
% \begin{macrocode}
- \ifnum\@tempdimb<\z@\@tempdimb=-\@tempdimb\fi
+ \ifnum\@tempdimb<\z@\@tempdimb=-\@tempdimb\fi
% \end{macrocode}
% $\cmd{\@tempdimb} = s = \mathrm{abs}(x)+\mathrm{abs}(y)$
% \begin{macrocode}
- \advance\@tempdimb\@tempdima
- \ifnum\@tempdimb=\z@
+ \advance\@tempdimb\@tempdima
+ \ifnum\@tempdimb=\z@
% \end{macrocode}
% $\cmd{\@tempdimc} = z = \sqrt{(x^2+y^2)}$
% \begin{macrocode}
- \@tempdimc=\z@
- \else
+ \@tempdimc=\z@
+ \else
% \end{macrocode}
% $\cmd{\@tempdima} = 8 \times\mathrm{abs}(x)$
% \begin{macrocode}
- \multiply\@tempdima 8\relax
+ \multiply\@tempdima 8\relax
% \end{macrocode}
% $\cmd{\@tempdimc} = 8\,t = 8 \times\mathrm{abs}(x) / s$
% \begin{macrocode}
- \pIIe@divide\@tempdima\@tempdimb\@tempdimc
+ \pIIe@divide\@tempdima\@tempdimb\@tempdimc
% \end{macrocode}
% $\cmd{\@tempdimc} = 4\tau = (8\,t-4)$
% \begin{macrocode}
- \advance\@tempdimc -4pt
- \multiply\@tempdimc 2
- \edef\pIIe@tempa{\strip@pt\@tempdimc}%
+ \advance\@tempdimc -4pt
+ \multiply\@tempdimc 2
+ \edef\pIIe@tempa{\strip@pt\@tempdimc}%
% \end{macrocode}
% $\cmd{\@tempdima} = (8\,\tau)^2$
% \begin{macrocode}
- \@tempdima=\pIIe@tempa\@tempdimc
+ \@tempdima=\pIIe@tempa\@tempdimc
% \end{macrocode}
% $\cmd{\@tempdima} = [64+(8\,\tau)^2]/2 =(8\,f)^2$
% \begin{macrocode}
- \advance\@tempdima 64pt
- \divide\@tempdima 2\relax
+ \advance\@tempdima 64pt
+ \divide\@tempdima 2\relax
% \end{macrocode}
% initial guess at $\sqrt{(u)}$
% \begin{macrocode}
- \@dashdim=7pt
+ \@dashdim=7pt
% \end{macrocode}
% $\cmd{\@dashdim} = \sqrt{(u)}$
% \begin{macrocode}
- \pIIe@@pyth\pIIe@@pyth\pIIe@@pyth
- \edef\pIIe@tempa{\strip@pt\@dashdim}%
- \@tempdimc=\pIIe@tempa\@tempdimb
+ \pIIe@@pyth\pIIe@@pyth\pIIe@@pyth
+ \edef\pIIe@tempa{\strip@pt\@dashdim}%
+ \@tempdimc=\pIIe@tempa\@tempdimb
% \end{macrocode}
% $\cmd{\@tempdimc} = z = (8\,f)\times s / 8$
% \begin{macrocode}
- \global\divide\@tempdimc 8
- \fi
- \edef\x{\endgroup#3=\the\@tempdimc}%
- \x}
+ \global\divide\@tempdimc 8
+ \fi
+ \edef\x{\endgroup#3=\the\@tempdimc}%
+ \x}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\pIIe@@pyth}
% $\cmd{\@dashdim} = g \leftarrow (g + u/g)/2$
% \begin{macrocode}
-\newcommand*\pIIe@@pyth{%
- \pIIe@divide\@tempdima\@dashdim\@tempdimc
- \advance\@dashdim\@tempdimc
- \divide\@dashdim\tw@}
+ \newcommand*\pIIe@@pyth{%
+ \pIIe@divide\@tempdima\@dashdim\@tempdimc
+ \advance\@dashdim\@tempdimc
+ \divide\@dashdim\tw@}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\pIIe@divide}
-% Real numbers are reresented as dimens in \texttt{pt}. If we divide by a
-% dimen, it is transformed to a counter and therefore the result is divided
-% by $2^{16}$. Hence we need to multiply by $2^{16}$ before the division. We
-% multiply the numerator by the greatest power of 2 to avoid overflow and
-% divide the denominator by the complementary power of 2. We use
-% \cmd{\maxdimen} if the ratio overflow.
-%
-%
-% We store some auxiliary dimens.
-% \begin{macrocode}
-\ifx\undefined\@maxdimhalfplus \newdimen\@maxdimhalfplus \fi
-\ifx\undefined\@maxdim@two@xvi \newdimen\@maxdim@two@xvi \fi
-\@maxdimhalfplus=\maxdimen \divide\@maxdimhalfplus\tw@
-\advance\@maxdimhalfplus 1sp
-\@maxdim@two@xvi=\maxdimen \divide\@maxdim@two@xvi 65536
-\newcommand*\pIIe@divide[3]{%
- \begingroup
- \dimendef\@Numer=254\relax \dimendef\@Denom=252\relax
- \@Numer=#1\relax \@Denom=#2\relax
+% The following macro for division is a slight modification of the macro from
+% \texttt{curve2e} by Claudio Beccari with his permission.
+% Real numbers are represented as dimens in \texttt{pt}.
+% \begin{macrocode}
+ \newcommand*\pIIe@divide[3]{%
+% \end{macrocode}
+% All definitions inside a group.
+% \begin{macrocode}
+ \begingroup
+ \dimendef\Numer=254\relax \dimendef\Denom=252\relax
+ \countdef\Num=254\relax \countdef\Den=252\relax
+ \countdef\I=250\relax \countdef\Numb=248\relax
+ \Numer #1\relax \Denom #2\relax
% \end{macrocode}
% Make numerator and denominator nonnegative, save sign.
% \begin{macrocode}
- \ifdim\@Denom<\z@ \@Denom -\@Denom \@Numer -\@Numer \fi
- \def\sign{}\ifdim\@Numer<\z@ \def\sign{-}\@Numer -\@Numer \fi
+ \ifdim\Denom<\z@ \Denom -\Denom \Numer=-\Numer \fi
+ \ifdim\Numer<\z@ \def\sign{-}\Numer=-\Numer \else \def\sign{}\fi
% \end{macrocode}
-% Small numerator multiply by $2^{16}$, otherwise by the greatest possible
-% power of 2 and divide denominator by proper power of 2.
+% Use \cmd{\maxdimen} for $x/0$ (this should not appear).
% \begin{macrocode}
- \ifdim \@Numer>\@maxdim@two@xvi
- \@tempcnta=\z@
- \@whiledim \@Numer<\@maxdimhalfplus
- \do {\multiply\@Numer\tw@ \advance\@tempcnta 1}%
- \@whilenum \@tempcnta<16
- \do {\divide\@Denom\tw@ \advance\@tempcnta 1}%
- \else
- \@Numer 65536\@Numer
- \fi
+ \ifdim\Denom=\z@
+ \edef\Q{\strip@pt\maxdimen}%
+ \PackageWarning{pict2e}%
+ {Division by 0, \sign\strip@pt\maxdimen\space used}{}%
+ \else
+% \end{macrocode}
+% Converse to integers and find integer part of the ratio. If it is too
+% large (dimension overflow), use \cmd{\maxdimen} otherwise find the
+% remainder and start the iteration process to find 6 digits of the decimal
+% expression.
+% \begin{macrocode}
+ \Num=\Numer \Den=\Denom
+ \Numb=\Num \divide\Numb\Den
+ \ifnum\Numb>16383
+ \edef\Q{\strip@pt\maxdimen}%
+ \PackageWarning{pict2e}%
+ {Division overflow, \sign\strip@pt\maxdimen\space used}{}%
+ \else
+ \edef\Q{\number\Numb.}%
+ \multiply \Numb\Den \advance\Num -\Numb
+ \I=6\relax
+ \@whilenum \I>\z@ \do{\pIIe@@divide\advance\I\m@ne}%
+ \fi
+ \fi
% \end{macrocode}
-% Divide, $0/0=1$ (this should not appear), $x/0$ as \cmd{\maxdimen} for
-% $x\neq0$.
+% A useful trick to define \#3 outside the group without using \cmd{\global}
+% (if the macro is used inside another group.)
% \begin{macrocode}
- \ifdim \@Denom=\z@
- \ifdim \@Numer=\z@ \@Numer\p@ \else \@Numer\maxdimen \fi
- \else
- \divide\@Numer\@Denom
- \fi
- \global#3\sign\@Numer
- \endgroup}
+ \edef\tempend{\noexpand\endgroup\noexpand#3=\sign\Q\p@}%
+ \tempend}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\pIIe@@divide}
+% Iteration macro for finding decimal expression of the ratio. \cmd{\Num} is
+% the remainder of the previous division, \cmd{\Den} is the denominator (both
+% are integers).
+% \begin{macrocode}
+ \def\pIIe@@divide{%
+% \end{macrocode}
+% Reduce both numerator and denominator if necessary to avoid overflow in
+% the next step.
+% \begin{macrocode}
+ \@whilenum \Num>214748364 \do{\divide\Num\tw@ \divide\Den\tw@}%
+% \end{macrocode}
+% Find the next digit of the decimal expression.
+% \begin{macrocode}
+ \multiply \Num 10
+ \Numb=\Num \divide\Numb\Den
+ \edef\Q{\Q\number\Numb}%
+% \end{macrocode}
+% Find the remainder.
+% \begin{macrocode}
+ \multiply \Numb\Den \advance \Num -\Numb
+% \end{macrocode}
+% Stop the iteration if the remainder is zero.
+% \begin{macrocode}
+ \ifnum\Num>\z@\else\I=0\fi}
% \end{macrocode}
% \end{macro}
%
@@ -2269,24 +2303,24 @@
% \begin{macro}{\pIIe@checkslopeargs}
% Common code for \cmd{\line} and \cmd{\vector}.
% \begin{macrocode}
-\newcommand*\pIIe@checkslopeargsline[2]{%
- \pIIe@checkslopeargs{#1}{#2}{16383}}
-\newcommand*\pIIe@checkslopeargsvector[2]{%
- \pIIe@checkslopeargs{#1}{#2}{1000}}
-\newcommand*\pIIe@checkslopeargs[3]{%
- \def\@tempa{#1}\expandafter\pIIe@checkslopearg\@tempa.:{#3}%
- \def\@tempa{#2}\expandafter\pIIe@checkslopearg\@tempa.:{#3}%
+ \newcommand*\pIIe@checkslopeargsline[2]{%
+ \pIIe@checkslopeargs{#1}{#2}{16383}}
+ \newcommand*\pIIe@checkslopeargsvector[2]{%
+ \pIIe@checkslopeargs{#1}{#2}{1000}}
+ \newcommand*\pIIe@checkslopeargs[3]{%
+ \def\@tempa{#1}\expandafter\pIIe@checkslopearg\@tempa.:{#3}%
+ \def\@tempa{#2}\expandafter\pIIe@checkslopearg\@tempa.:{#3}%
% \end{macrocode}
% A bit incompatible with \SL: slope \((0,0)\) raises an error.
% \begin{macrocode}
- \ifdim #1\p@=\z@ \ifdim #2\p@=\z@ \@badlinearg \fi\fi}
-\def\pIIe@checkslopearg #1.#2:#3{%
- \def\@tempa{#1}%
- \ifx\@tempa\empty\def\@tempa{0}\fi
- \ifx\@tempa\space\def\@tempa{0}\fi
- \ifnum\ifnum\@tempa<\z@-\fi\@tempa>#3\@badlinearg \fi}
-\def\@badlinearg{\PackageError
- {pict2e}{Bad \protect\line\space or \protect\vector\space argument}{}}
+ \ifdim #1\p@=\z@ \ifdim #2\p@=\z@ \@badlinearg \fi\fi}
+ \def\pIIe@checkslopearg #1.#2:#3{%
+ \def\@tempa{#1}%
+ \ifx\@tempa\empty\def\@tempa{0}\fi
+ \ifx\@tempa\space\def\@tempa{0}\fi
+ \ifnum\ifnum\@tempa<\z@-\fi\@tempa>#3\@badlinearg \fi}
+ \def\@badlinearg{\PackageError
+ {pict2e}{Bad \protect\line\space or \protect\vector\space argument}{}}
% \end{macrocode}
% \end{macro}
%
@@ -2299,39 +2333,39 @@
% \changes{v0.2o}{2004/06/25}{Use \cmd{\pIIe@checkslopeargs} (HjG)}
% \changes{v0.2t}{2008/05/11}{All lines by \cmd{\@sline} (JT)}
% \begin{macrocode}
-\def\line(#1,#2)#3{%
- \pIIe@checkslopeargsline{#1}{#2}%
- \@tempdima=#1pt\relax \@tempdimb=#2pt\relax
- \@linelen #3\unitlength
- \ifdim\@linelen<\z@ \@badlinearg \else \@sline \fi}
+ \def\line(#1,#2)#3{%
+ \pIIe@checkslopeargsline{#1}{#2}%
+ \@tempdima=#1pt\relax \@tempdimb=#2pt\relax
+ \@linelen #3\unitlength
+ \ifdim\@linelen<\z@ \@badlinearg \else \@sline \fi}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@sline}
% (The implementation here is different from \cmd{\vector}!)
% \begin{macrocode}
-\def\@sline{%
- \begingroup
- \ifdim\@tempdima=\z@
- \ifdim\@tempdimb<\z@\@linelen-\@linelen\fi
- \@ydim=\@linelen
- \@xdim=\z@
- \else
- \ifdim\@tempdimb=\z@
- \ifdim\@tempdima<\z@\@linelen-\@linelen\fi
- \@xdim=\@linelen
- \@ydim=\z@
+ \def\@sline{%
+ \begingroup
+ \ifdim\@tempdima=\z@
+ \ifdim\@tempdimb<\z@\@linelen-\@linelen\fi
+ \@ydim=\@linelen
+ \@xdim=\z@
\else
- \ifnum\@tempdima<\z@\@linelen-\@linelen\fi
- \pIIe@divide\@tempdimb\@tempdima\dimen@
- \@ydim=\strip@pt\dimen@\@linelen
- \@xdim=\@linelen
+ \ifdim\@tempdimb=\z@
+ \ifdim\@tempdima<\z@\@linelen-\@linelen\fi
+ \@xdim=\@linelen
+ \@ydim=\z@
+ \else
+ \ifnum\@tempdima<\z@\@linelen-\@linelen\fi
+ \pIIe@divide\@tempdimb\@tempdima\dimen@
+ \@ydim=\strip@pt\dimen@\@linelen
+ \@xdim=\@linelen
+ \fi
\fi
- \fi
- \pIIe@moveto\z@\z@
- \pIIe@lineto\@xdim\@ydim
- \pIIe@strokeGraph
- \endgroup}
+ \pIIe@moveto\z@\z@
+ \pIIe@lineto\@xdim\@ydim
+ \pIIe@strokeGraph
+ \endgroup}
% \end{macrocode}
% \end{macro}
%
@@ -2352,41 +2386,41 @@
% ^^A (This is faster; is it more accurate?)
% \changes{v0.2o}{2004/06/25}{Use \cmd{\pIIe@checkslopeargs} (HjG)}
% \begin{macrocode}
-\def\vector(#1,#2)#3{%
- \begingroup
- \pIIe@checkslopeargsvector{#1}{#2}%
- \@tempdima=#1pt\relax \@tempdimb=#2pt\relax
- \@linelen#3\unitlength
- \ifdim\@linelen<\z@ \@badlinearg \else
- \pIIe@pyth{\@tempdima}{\@tempdimb}\dimen@
- \ifdim\@tempdima=\z@
- \else\ifdim\@tempdimb=\z@
- \else
+ \def\vector(#1,#2)#3{%
+ \begingroup
+ \pIIe@checkslopeargsvector{#1}{#2}%
+ \@tempdima=#1pt\relax \@tempdimb=#2pt\relax
+ \@linelen#3\unitlength
+ \ifdim\@linelen<\z@ \@badlinearg \else
+ \pIIe@pyth{\@tempdima}{\@tempdimb}\dimen@
+ \ifdim\@tempdima=\z@
+ \else\ifdim\@tempdimb=\z@
+ \else
% \end{macrocode}
% This calculation is only necessary, if the vector is actually
% sloped.
% \begin{macrocode}
- \pIIe@divide\dimen@{\@tempdima}\@xdim
- \@linelen\strip@pt\@xdim\@linelen
- \ifdim\@linelen<\z@\@linelen-\@linelen\fi
+ \pIIe@divide\dimen@{\@tempdima}\@xdim
+ \@linelen\strip@pt\@xdim\@linelen
+ \ifdim\@linelen<\z@\@linelen-\@linelen\fi
+ \fi
\fi
- \fi
% \end{macrocode}
% \BigIndent $\sin\theta$ and $\cos\theta$
% \begin{macrocode}
- \pIIe@divide{\@tempdimb}\dimen@\@ydim
- \pIIe@divide{\@tempdima}\dimen@\@xdim
+ \pIIe@divide{\@tempdimb}\dimen@\@ydim
+ \pIIe@divide{\@tempdima}\dimen@\@xdim
% \end{macrocode}
% Rotate the following vector\slash arrow outlines by angle $\theta$.
% \begin{macrocode}
- \pIIe@concat\@xdim\@ydim{-\@ydim}\@xdim\z@\z@
+ \pIIe@concat\@xdim\@ydim{-\@ydim}\@xdim\z@\z@
% \end{macrocode}
% Internal command to draw the outline of the vector\slash arrow.
% \begin{macrocode}
- \pIIe@vector
- \pIIe@fillGraph
- \fi
- \endgroup}
+ \pIIe@vector
+ \pIIe@fillGraph
+ \fi
+ \endgroup}
% \end{macrocode}
% \end{macro}
%
@@ -2396,7 +2430,7 @@
% that generates the vector's outline path.
% Now initialized by package options, via |\AtEndOfPackage|.
% \begin{macrocode}
-\newcommand*\pIIe@vector{}
+ \newcommand*\pIIe@vector{}
% \end{macrocode}
% \end{macro}
%
@@ -2421,23 +2455,23 @@
% option.
% probably\slash most likely not useful with the default
% \textsf{ltxarrows} package option.
-%\fi
+% \fi
% \begin{macrocode}
-\newcommand*\pIIe@FAL{}\newcommand*\pIIe@FAW{}\newcommand*\pIIe@CAW{}
-\newcommand*\pIIe@FAI{}
-\newcommand*\pIIe@@firstnum{}\newcommand*\pIIe@@secondnum{}
-\iffalse% the pstricks values gives too small arrows. (RN)
-\AtBeginDocument{%
- \@ifpackageloaded{pstricks}{%
- \def\pIIe@FAL{\psk@arrowlength}%
- \def\pIIe@FAW{\expandafter\pIIe@@secondnum\psk@arrowsize}%
- \def\pIIe@CAW{\expandafter\pIIe@@firstnum\psk@arrowsize}%
- \def\pIIe@FAI{\psk@arrowinset}%
- \def\pIIe@@firstnum#1 #2 {#1\p@}%
- \def\pIIe@@secondnum#1 #2 {#2}%
- }{}%
-}
-\fi
+ \newcommand*\pIIe@FAL{}\newcommand*\pIIe@FAW{}\newcommand*\pIIe@CAW{}
+ \newcommand*\pIIe@FAI{}
+ \newcommand*\pIIe@@firstnum{}\newcommand*\pIIe@@secondnum{}
+ \iffalse% the pstricks values gives too small arrows. (RN)
+ \AtBeginDocument{%
+ \@ifpackageloaded{pstricks}{%
+ \def\pIIe@FAL{\psk@arrowlength}%
+ \def\pIIe@FAW{\expandafter\pIIe@@secondnum\psk@arrowsize}%
+ \def\pIIe@CAW{\expandafter\pIIe@@firstnum\psk@arrowsize}%
+ \def\pIIe@FAI{\psk@arrowinset}%
+ \def\pIIe@@firstnum#1 #2 {#1\p@}%
+ \def\pIIe@@secondnum#1 #2 {#2}%
+ }{}%
+ }
+ \fi
% \end{macrocode}
% \end{macro}
% \end{macro}
@@ -2556,59 +2590,59 @@
% of the arrow head.
% ^^A (Orig.\ \LaTeX: only, if length =~0!?)
% \begin{macrocode}
-\newcommand*\pIIe@vector@ltx{%
- \@ydim\pIIe@FAW\@wholewidth \advance\@ydim\pIIe@CAW\relax
- \@ovxx\pIIe@FAL\@ydim
- \@xdim\@linelen \advance\@xdim-\@ovxx
- \divide\@ydim\tw@
- \divide\@ovxx\tw@ \advance\@ovxx\@xdim
- \@ovyy\@ydim
- \divide\@ovyy\tw@ \advance\@ovyy-\pIIe@FAI\@ydim
+ \newcommand*\pIIe@vector@ltx{%
+ \@ydim\pIIe@FAW\@wholewidth \advance\@ydim\pIIe@CAW\relax
+ \@ovxx\pIIe@FAL\@ydim
+ \@xdim\@linelen \advance\@xdim-\@ovxx
+ \divide\@ydim\tw@
+ \divide\@ovxx\tw@ \advance\@ovxx\@xdim
+ \@ovyy\@ydim
+ \divide\@ovyy\tw@ \advance\@ovyy-\pIIe@FAI\@ydim
% \end{macrocode}
% \noindent
% \BigIndent $P_d = P_1 + 1/3 (P_n - P_1)$
% \begin{macrocode}
- \pIIe@bezier@QtoC\@linelen\@ovxx\@ovro
- \pIIe@bezier@QtoC\z@\@ovyy\@ovri
+ \pIIe@bezier@QtoC\@linelen\@ovxx\@ovro
+ \pIIe@bezier@QtoC\z@\@ovyy\@ovri
% \end{macrocode}
% \BigIndent $P_c = P_7 + 1/3 (P_n - P_7)$
% \begin{macrocode}
- \pIIe@bezier@QtoC\@xdim\@ovxx\@clnwd
- \pIIe@bezier@QtoC\@ydim\@ovyy\@clnht
+ \pIIe@bezier@QtoC\@xdim\@ovxx\@clnwd
+ \pIIe@bezier@QtoC\@ydim\@ovyy\@clnht
% \end{macrocode}
% \BigIndent $P_1$
% \begin{macrocode}
- \pIIe@moveto\@linelen\z@
+ \pIIe@moveto\@linelen\z@
% \end{macrocode}
% \BigIndent $P_a \quad P_b \quad P_2$
% \begin{macrocode}
- \pIIe@curveto\@ovro{-\@ovri}\@clnwd{-\@clnht}\@xdim{-\@ydim}%
- \ifdim\@xdim>\z@
+ \pIIe@curveto\@ovro{-\@ovri}\@clnwd{-\@clnht}\@xdim{-\@ydim}%
+ \ifdim\@xdim>\z@
% \end{macrocode}
% \BigIndent $P_3$
% \begin{macrocode}
- \pIIe@lineto\@xdim{-\@halfwidth}%
+ \pIIe@lineto\@xdim{-\@halfwidth}%
% \end{macrocode}
% \BigIndent $P_4$
% \begin{macrocode}
- \pIIe@lineto\z@{-\@halfwidth}%
+ \pIIe@lineto\z@{-\@halfwidth}%
% \end{macrocode}
% \BigIndent $P_5$
% \begin{macrocode}
- \pIIe@lineto\z@{\@halfwidth}%
+ \pIIe@lineto\z@{\@halfwidth}%
% \end{macrocode}
% \BigIndent $P_6$
% \begin{macrocode}
- \pIIe@lineto\@xdim{\@halfwidth}%
- \fi
+ \pIIe@lineto\@xdim{\@halfwidth}%
+ \fi
% \end{macrocode}
% \BigIndent $P_7$
% \begin{macrocode}
- \pIIe@lineto\@xdim\@ydim
+ \pIIe@lineto\@xdim\@ydim
% \end{macrocode}
% \BigIndent $P_c \quad P_d \quad P_1$
% \begin{macrocode}
- \pIIe@curveto\@clnwd\@clnht\@ovro\@ovri\@linelen\z@}
+ \pIIe@curveto\@clnwd\@clnht\@ovro\@ovri\@linelen\z@}
% \end{macrocode}
% \end{macro}
%
@@ -2697,56 +2731,56 @@
% of the arrow head.
% ^^A (Orig.\ \LaTeX: only, if length =~0!?)
% \begin{macrocode}
-\newcommand*\pIIe@vector@pst{%
- \@ydim\pIIe@FAW\@wholewidth \advance\@ydim\pIIe@CAW\relax
- \@ovxx\pIIe@FAL\@ydim
- \@xdim\@linelen \advance\@xdim-\@ovxx
- \divide\@ydim\tw@
- \@ovyy\@ydim \advance\@ovyy-\@halfwidth
- \@ovdx\pIIe@FAI\@ovxx
- \pIIe@divide\@ovdx\@ydim\@tempdimc
- \@ovxx\strip@pt\@ovyy\@tempdimc
- \advance\@ovxx\@xdim
- \advance\@ovdx\@xdim
+ \newcommand*\pIIe@vector@pst{%
+ \@ydim\pIIe@FAW\@wholewidth \advance\@ydim\pIIe@CAW\relax
+ \@ovxx\pIIe@FAL\@ydim
+ \@xdim\@linelen \advance\@xdim-\@ovxx
+ \divide\@ydim\tw@
+ \@ovyy\@ydim \advance\@ovyy-\@halfwidth
+ \@ovdx\pIIe@FAI\@ovxx
+ \pIIe@divide\@ovdx\@ydim\@tempdimc
+ \@ovxx\strip@pt\@ovyy\@tempdimc
+ \advance\@ovxx\@xdim
+ \advance\@ovdx\@xdim
% \end{macrocode}
% \BigIndent $P_1$
% \begin{macrocode}
- \pIIe@moveto\@linelen\z@
+ \pIIe@moveto\@linelen\z@
% \end{macrocode}
% \BigIndent $P_2$
% \begin{macrocode}
- \pIIe@lineto\@xdim{-\@ydim}%
- \ifdim\@xdim>\z@
+ \pIIe@lineto\@xdim{-\@ydim}%
+ \ifdim\@xdim>\z@
% \end{macrocode}
% \BigIndent $P_3$
% \begin{macrocode}
- \pIIe@lineto\@ovxx{-\@halfwidth}%
+ \pIIe@lineto\@ovxx{-\@halfwidth}%
% \end{macrocode}
% \BigIndent $P_4$
% \begin{macrocode}
- \pIIe@lineto\z@{-\@halfwidth}%
+ \pIIe@lineto\z@{-\@halfwidth}%
% \end{macrocode}
% \BigIndent $P_5$
% \begin{macrocode}
- \pIIe@lineto\z@{\@halfwidth}%
+ \pIIe@lineto\z@{\@halfwidth}%
% \end{macrocode}
% \BigIndent $P_6$
% \begin{macrocode}
- \pIIe@lineto\@ovxx{\@halfwidth}%
- \else
+ \pIIe@lineto\@ovxx{\@halfwidth}%
+ \else
% \end{macrocode}
% \BigIndent $P_i$
% \begin{macrocode}
- \pIIe@lineto\@ovdx\z@
- \fi
+ \pIIe@lineto\@ovdx\z@
+ \fi
% \end{macrocode}
% \BigIndent $P_7$
% \begin{macrocode}
- \pIIe@lineto\@xdim\@ydim
+ \pIIe@lineto\@xdim\@ydim
% \end{macrocode}
% \BigIndent $P_1$
% \begin{macrocode}
- \pIIe@lineto\@linelen\z@}
+ \pIIe@lineto\@linelen\z@}
% \end{macrocode}
% \end{macro}
%
@@ -2756,14 +2790,14 @@
% \begin{macro}{\@circle}
% The circle will either be stroked \dots
% \begin{macrocode}
- \def\@circle#1{\begingroup \@tempswafalse\pIIe@circ{#1}}
+ \def\@circle#1{\begingroup \@tempswafalse\pIIe@circ{#1}}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@dot}
% \dots\ or filled.
% \begin{macrocode}
- \def\@dot#1{\begingroup \@tempswatrue\pIIe@circ{#1}}
+ \def\@dot#1{\begingroup \@tempswatrue\pIIe@circ{#1}}
% \end{macrocode}
% \end{macro}
%
@@ -2771,7 +2805,7 @@
% Common code.
% ^^A (Could\slash should be named \cmd{\@circ}!?)
% \begin{macrocode}
-\newcommand*\pIIe@circ[1]{%
+ \newcommand*\pIIe@circ[1]{%
% \end{macrocode}
% We need the radius instead of the diameter.
% Unlike \SL, we check for negative or zero diameter argument.
@@ -2780,10 +2814,10 @@
% argument (RN,HjG)}
% \changes{v0.2n}{2004/04/22}{Allow zero diameter (RN/HjG)}
% \begin{macrocode}
- \@tempdima#1\unitlength
- \ifdim\@tempdima<\z@ \pIIe@badcircarg \fi
- \divide\@tempdima\tw@
- \pIIe@circle\@tempdima
+ \@tempdima#1\unitlength
+ \ifdim\@tempdima<\z@ \pIIe@badcircarg \fi
+ \divide\@tempdima\tw@
+ \pIIe@circle\@tempdima
% \end{macrocode}
% With the current state of affairs, we could use
% \cmd{\pIIe@drawGraph} directly; but that would possibly be a case of
@@ -2792,8 +2826,8 @@
% Use of the |@tempswa| switch both here and inside quarter-circle!
% Hence a group is necessary there.)
% \begin{macrocode}
- \if@tempswa \pIIe@fillGraph \else \pIIe@strokeGraph \fi
- \endgroup}
+ \if@tempswa \pIIe@fillGraph \else \pIIe@strokeGraph \fi
+ \endgroup}
% \end{macrocode}
% \end{macro}
%
@@ -2804,12 +2838,12 @@
% \cmd{\pIIe@add@qcircle}). (HjG,RN)}
% \changes{v0.1t}{2008/05/11}{Changed code (using \cmd{\buttcap}. (JT)}
% \begin{macrocode}
-\newcommand*\pIIe@circle[1]{%
- \begingroup
- \buttcap
- \pIIe@qcircle[1]\z@{#1}\pIIe@qcircle \@ne{#1}%
- \pIIe@qcircle \tw@{#1}\pIIe@qcircle\thr@@{#1}%
- \endgroup}
+ \newcommand*\pIIe@circle[1]{%
+ \begingroup
+ \buttcap
+ \pIIe@qcircle[1]\z@{#1}\pIIe@qcircle \@ne{#1}%
+ \pIIe@qcircle \tw@{#1}\pIIe@qcircle\thr@@{#1}%
+ \endgroup}
% \end{macrocode}
% \end{macro}
%
@@ -2870,33 +2904,33 @@
% Sacrifice a save level (otherwise a private ``switch'' macro were
% necessary!)
% \begin{macrocode}
-\newcommand*\pIIe@qcircle[3][0]{%
- \begingroup
- \@ovro#3\relax \@ovri0.55228474983\@ovro
- \@tempdimc\@ovri \advance\@tempdimc-\@ovro
- \ifnum#1>\z@ \@tempswatrue \else \@tempswafalse \fi
- \ifcase#2\relax
+ \newcommand*\pIIe@qcircle[3][0]{%
+ \begingroup
+ \@ovro#3\relax \@ovri0.55228474983\@ovro
+ \@tempdimc\@ovri \advance\@tempdimc-\@ovro
+ \ifnum#1>\z@ \@tempswatrue \else \@tempswafalse \fi
+ \ifcase#2\relax
% \end{macrocode}
% \BigIndent NE
% \begin{macrocode}
- \pIIe@@qcircle\@ovro\z@\z@\@ovri\@tempdimc\@ovro{-\@ovro}\@ovro
- \or
+ \pIIe@@qcircle\@ovro\z@\z@\@ovri\@tempdimc\@ovro{-\@ovro}\@ovro
+ \or
% \end{macrocode}
% \BigIndent NW
% \begin{macrocode}
- \pIIe@@qcircle\z@\@ovro{-\@ovri}\z@{-\@ovro}\@tempdimc{-\@ovro}{-\@ovro}%
- \or
+ \pIIe@@qcircle\z@\@ovro{-\@ovri}\z@{-\@ovro}\@tempdimc{-\@ovro}{-\@ovro}%
+ \or
% \end{macrocode}
% \BigIndent SW
% \begin{macrocode}
- \pIIe@@qcircle{-\@ovro}\z@\z@{-\@ovri}{-\@tempdimc}{-\@ovro}\@ovro{-\@ovro}%
- \or
+ \pIIe@@qcircle{-\@ovro}\z@\z@{-\@ovri}{-\@tempdimc}{-\@ovro}\@ovro{-\@ovro}%
+ \or
% \end{macrocode}
% \BigIndent SE
% \begin{macrocode}
- \pIIe@@qcircle\z@{-\@ovro}\@ovri\z@\@ovro{-\@tempdimc}\@ovro\@ovro
- \fi
- \endgroup}
+ \pIIe@@qcircle\z@{-\@ovro}\@ovri\z@\@ovro{-\@tempdimc}\@ovro\@ovro
+ \fi
+ \endgroup}
% \end{macrocode}
% \end{macro}
%
@@ -2909,8 +2943,8 @@
% least much easier) to re-use this macro for the rounded corners of
% ovals.
% \begin{macrocode}
-\newcommand*\pIIe@@qcircle[8]{%
- \if@tempswa\pIIe@moveto{#1}{#2}\fi \pIIe@rcurveto{#3}{#4}{#5}{#6}{#7}{#8}}
+ \newcommand*\pIIe@@qcircle[8]{%
+ \if@tempswa\pIIe@moveto{#1}{#2}\fi \pIIe@rcurveto{#3}{#4}{#5}{#6}{#7}{#8}}
% \end{macrocode}
% \end{macro}
%
@@ -2918,11 +2952,11 @@
% \changes{v0.2h}{2004/01/07}{New error message. (RN,HjG)}
% Obvious cousin to |\@badlinearg| from the \LaTeX\ kernel.
% \begin{macrocode}
-\newcommand*\pIIe@badcircarg{%
- \PackageError{pict2e}%
- {Illegal argument in \protect\circle(*), \protect\oval, \protect\arc(*) or
- \protect\circlearc.}%
- {The radius of a circle, dot, arc or oval corner must be greater than zero.}}%
+ \newcommand*\pIIe@badcircarg{%
+ \PackageError{pict2e}%
+ {Illegal argument in \protect\circle(*), \protect\oval, \protect\arc(*) or
+ \protect\circlearc.}%
+ {The radius of a circle, dot, arc or oval corner must be greater than zero.}}%
% \end{macrocode}
% \end{macro}
%
@@ -2940,7 +2974,7 @@
% argument of \cmd{\oval} by the \LaTeX\ manual
% \cite[p.~223]{LAMPORT}.
% \begin{macrocode}
-\newcommand*\maxovalrad{20pt}
+ \newcommand*\maxovalrad{20pt}
% \end{macrocode}
% \end{macro}
%
@@ -2955,8 +2989,8 @@
% See \cmd{\Gin@defaultbp} and \cmd{\Gin@def@bp} from
% \texttt{graphics.dtx}.
% \begin{macrocode}
-\newcommand*\pIIe@defaultUL[2]{%
- \afterassignment\pIIe@def@UL\dimen@#2\unitlength\relax{#1}{#2}}
+ \newcommand*\pIIe@defaultUL[2]{%
+ \afterassignment\pIIe@def@UL\dimen@#2\unitlength\relax{#1}{#2}}
% \end{macrocode}
% However, things are simpler in our case, since we always need the
% value stored in \cmd{\dimen@}.
@@ -2966,14 +3000,14 @@
% \changes{v0.2n}{2004/04/22}{Moved radius test to \cmd{\oval},
% where it belongs (RN/HjG)}
% \begin{macrocode}
-\newcommand*\pIIe@def@UL{}
-\def\pIIe@def@UL#1\relax#2#3{%
+ \newcommand*\pIIe@def@UL{}
+ \def\pIIe@def@UL#1\relax#2#3{%
% \if!#1!%
% \def#2{#3}% \edef ?
% \else
% \edef#2{\strip@pt\dimen@}%
% \fi
- \edef#2{\the\dimen@}}
+ \edef#2{\the\dimen@}}
% \end{macrocode}
% \end{macro}
% \end{macro}
@@ -2990,15 +3024,15 @@
% (RN/HjG)}
% \changes{v0.2n}{2004/04/22}{Allow zero diameter (RN/HjG)}
% \begin{macrocode}
-\newcommand*\pIIe@maxovalrad{}
-\renewcommand*\oval[1][\maxovalrad]{%
- \begingroup \pIIe@defaultUL\pIIe@maxovalrad{#1}%
- \ifdim\pIIe@maxovalrad<\z@ \pIIe@badcircarg \fi
+ \newcommand*\pIIe@maxovalrad{}
+ \renewcommand*\oval[1][\maxovalrad]{%
+ \begingroup \pIIe@defaultUL\pIIe@maxovalrad{#1}%
+ \ifdim\pIIe@maxovalrad<\z@ \pIIe@badcircarg \fi
% \end{macrocode}
% Can't close the group here, since arguments must be parsed.
% (This is done by calling the saved original.)
% \begin{macrocode}
- \pIIe@oldoval}
+ \pIIe@oldoval}
% \end{macrocode}
% \end{macro}
% \end{macro}
@@ -3006,33 +3040,33 @@
% \begin{macro}{\@oval}
% (This is called in turn by the saved original.)
% \begin{macrocode}
-\def\@oval(#1,#2)[#3]{%
+ \def\@oval(#1,#2)[#3]{%
% \end{macrocode}
% In analogy to circles, we need only half of the size value.
% \begin{macrocode}
- \@ovxx#1\unitlength \divide\@ovxx\tw@
- \@ovyy#2\unitlength \divide\@ovyy\tw@
- \@tempdimc \ifdim\@ovyy>\@ovxx \@ovxx \else \@ovyy \fi
- \ifdim\pIIe@maxovalrad<\@tempdimc \@tempdimc\pIIe@maxovalrad\relax \fi
+ \@ovxx#1\unitlength \divide\@ovxx\tw@
+ \@ovyy#2\unitlength \divide\@ovyy\tw@
+ \@tempdimc \ifdim\@ovyy>\@ovxx \@ovxx \else \@ovyy \fi
+ \ifdim\pIIe@maxovalrad<\@tempdimc \@tempdimc\pIIe@maxovalrad\relax \fi
% \end{macrocode}
% Subtract the radius of the corners to get coordinates for the
% straight line segments.
% \begin{macrocode}
- \@xdim\@ovxx \advance\@xdim-\@tempdimc
- \@ydim\@ovyy \advance\@ydim-\@tempdimc
+ \@xdim\@ovxx \advance\@xdim-\@tempdimc
+ \@ydim\@ovyy \advance\@ydim-\@tempdimc
% \end{macrocode}
% Determine which parts of the oval we have to draw.
% \begin{macrocode}
- \pIIe@get@quadrants{#3}%
+ \pIIe@get@quadrants{#3}%
% \end{macrocode}
% For the whole oval remove use the standard shape of ends.
% \begin{macrocode}
- \ifnum15=\@tempcnta \buttcap \fi
+ \ifnum15=\@tempcnta \buttcap \fi
% \end{macrocode}
% ``\verb+@tempswa+ = false'' means, that we have to suppress the `moveto'
% in the following quadrant.
% \begin{macrocode}
- \@tempswatrue
+ \@tempswatrue
% \end{macrocode}
% The following isn't strictly necessary, but yields a single (unfragmented)
% path even for \verb+[r]+ (right half of oval only).
@@ -3041,35 +3075,35 @@
% \noindent
% Bits 3 and 0 set? (SE/NE)
% \begin{macrocode}
- \ifnum9=\@tempcnta
- \pIIe@qoval\z@{-\@ovyy}{\@xdim}{-\@ovyy}\thr@@\@tempdimc\@ovxx\z@
+ \ifnum9=\@tempcnta
+ \pIIe@qoval\z@{-\@ovyy}{\@xdim}{-\@ovyy}\thr@@\@tempdimc\@ovxx\z@
% \end{macrocode}
% Bit 0 set! (NE)
% \begin{macrocode}
- \@tempcnta\@ne
- \fi
+ \@tempcnta\@ne
+ \fi
% \end{macrocode}
% Bit 0 set? (NE)
% \begin{macrocode}
- \pIIe@qoval\@ovxx\z@\@ovxx\@ydim\z@\@tempdimc\z@\@ovyy
+ \pIIe@qoval\@ovxx\z@\@ovxx\@ydim\z@\@tempdimc\z@\@ovyy
% \end{macrocode}
% Bit 1 set? (NW)
% \begin{macrocode}
- \pIIe@qoval\z@\@ovyy{-\@xdim}\@ovyy\@ne\@tempdimc{-\@ovxx}\z@
+ \pIIe@qoval\z@\@ovyy{-\@xdim}\@ovyy\@ne\@tempdimc{-\@ovxx}\z@
% \end{macrocode}
% Bit 2 set? (SW)
% \begin{macrocode}
- \pIIe@qoval{-\@ovxx}\z@{-\@ovxx}{-\@ydim}\tw@\@tempdimc\z@{-\@ovyy}%
+ \pIIe@qoval{-\@ovxx}\z@{-\@ovxx}{-\@ydim}\tw@\@tempdimc\z@{-\@ovyy}%
% \end{macrocode}
% Bit 3 set? (SE)
% \begin{macrocode}
- \pIIe@qoval\z@{-\@ovyy}{\@xdim}{-\@ovyy}\thr@@\@tempdimc\@ovxx\z@
+ \pIIe@qoval\z@{-\@ovyy}{\@xdim}{-\@ovyy}\thr@@\@tempdimc\@ovxx\z@
% \end{macrocode}
% Now we've finished, draw the oval and finally close the group opened
% by \cmd{\oval} above.
% \begin{macrocode}
- \pIIe@strokeGraph
- \endgroup}
+ \pIIe@strokeGraph
+ \endgroup}
% \end{macrocode}
% \end{macro}
%
@@ -3083,7 +3117,7 @@
% (\PS: We could use the \texttt{arc} or \texttt{arcto} operator!)
% \begin{macrocode}
\newcommand*\pIIe@qoval[8]{%
-% \end{macrocode}
+% \end{macrocode}
% Bit set?
% \begin{macrocode}
\ifodd\@tempcnta
@@ -3113,13 +3147,13 @@
% We abuse \cmd{\@setfpsbit} from the float processing modules of the
% kernel.
% ^^A (Should this go to section low-level?)
-% \begin{macrocode}
+% \begin{macrocode}
\newcommand*\pIIe@get@quadrants[1]{%
\@ovttrue \@ovbtrue \@ovltrue \@ovrtrue \@tempcnta\z@
\@tfor\reserved@a:=#1\do{\csname @ov\reserved@a false\endcsname}%
\if@ovr \if@ovb\@setfpsbit2\fi \if@ovt\@setfpsbit4\fi \fi
\if@ovl \if@ovb\@setfpsbit1\fi \if@ovt\@setfpsbit8\fi \fi}
-% \end{macrocode}
+% \end{macrocode}
% \end{macro}
%
% \subsubsection{Quadratic Bezier Curve}
@@ -3131,9 +3165,8 @@
% \changes{v0.2o}{2004/06/25}
% {Supply \cmd{\ignorespaces} to match kernel version (HjG)}
% \changes{v0.2p}{2004/07/27}{\cmd{\@killglue} added. (RN)}
-% \#1, the maximum number of points to use, is simply ignored,
-% as well as \cmd{\qbeziermax}.
%
+% If \#1=0 the primitive operators ot the (back-end) format are used.
% The kernel version of \cmd{\@bezier} uses \cmd{\put} internally,
% which features \cmd{\@killglue} and \cmd{\ignorespaces} commands
% in turn (at the beginning and end, respectively).
@@ -3141,11 +3174,12 @@
% by hand.
% \begin{macrocode}
\def\@bezier#1(#2,#3)(#4,#5)(#6,#7){%
+ \ifnum #1=\z@
% \end{macrocode}
% \BigIndent $P_0=(\#2,\#3)$\quad$P_m=(\#4,\#5)$\quad$P_3=(\#6,\#7)$
% \begin{macrocode}
- \@killglue
- \begingroup
+ \@killglue
+ \begingroup
\@ovxx#2\unitlength \@ovyy#3\unitlength
\@ovdx#4\unitlength \@ovdy#5\unitlength
\@xdim#6\unitlength \@ydim#7\unitlength
@@ -3169,8 +3203,11 @@
% \begin{macrocode}
\pIIe@curveto\@ovro\@ovri\@clnwd\@clnht\@xdim\@ydim
\pIIe@strokeGraph
- \endgroup
- \ignorespaces}
+ \endgroup
+ \ignorespaces
+ \else
+ \pIIe@old@bezier{#1}(#2,#3)(#4,#5)(#6,#7)
+ \fi}
% \end{macrocode}
% \end{macro}
%
@@ -3185,10 +3222,10 @@
% \noindent
% (Missing: Reference for mathematical formula. Or is this trivial?)
% \begin{macrocode}
- \newcommand*\pIIe@bezier@QtoC[3]{%
- \@tempdimc#1\relax \advance\@tempdimc-#2\relax
- \divide\@tempdimc\thr@@ \advance\@tempdimc #2\relax
- #3\@tempdimc}
+ \newcommand*\pIIe@bezier@QtoC[3]{%
+ \@tempdimc#1\relax \advance\@tempdimc-#2\relax
+ \divide\@tempdimc\thr@@ \advance\@tempdimc #2\relax
+ #3\@tempdimc}
% \end{macrocode}
% \end{macro}
%
@@ -3197,9 +3234,9 @@
%
% We need some auxiliary dimensions.
% \begin{macrocode}
-\ifx\undefined\@arclen \newdimen\@arclen \fi
-\ifx\undefined\@arcrad \newdimen\@arcrad \fi
-\ifx\undefined\@tempdimd \newdimen\@tempdimd \fi
+ \ifx\undefined\@arclen \newdimen\@arclen \fi
+ \ifx\undefined\@arcrad \newdimen\@arcrad \fi
+ \ifx\undefined\@tempdimd \newdimen\@tempdimd \fi
% \end{macrocode}
% \begin{macro}{\pIIe@arc}
% \#1: 0 (implicit) if we connect arc with a current point, 1 if we start
@@ -3210,85 +3247,85 @@
% sense (clockwise). First we check whether the radius is not negative and
% reduce the rotation to the interval $[-720,720]$.
% \begin{macrocode}
-\newcommand*\pIIe@arc[6][0]{%
- \@arcrad #4\relax
- \ifdim \@arcrad<\z@ \pIIe@badcircarg \else
- \@arclen #6\p@ \advance\@arclen -#5\p@
- \ifdim \@arclen<\z@ \def\sign{-}\else\def\sign{}\fi
- \ifdim \sign\@arclen>720\p@
- \PackageWarning {pict2e}{The arc angle is reduced to -720..720}%
- \@whiledim \sign\@arclen>720\p@ \do {\advance\@arclen-\sign360\p@}%
- \@tempdima #5\p@ \advance\@tempdima \@arclen
- \edef\@angleend{\strip@pt\@tempdima}%
- \pIIe@@arc{#1}{#2}{#3}{#4}{#5}{\@angleend}%
- \else
- \pIIe@@arc{#1}{#2}{#3}{#4}{#5}{#6}%
- \fi
- \fi}
+ \newcommand*\pIIe@arc[6][0]{%
+ \@arcrad #4\relax
+ \ifdim \@arcrad<\z@ \pIIe@badcircarg \else
+ \@arclen #6\p@ \advance\@arclen -#5\p@
+ \ifdim \@arclen<\z@ \def\sign{-}\else\def\sign{}\fi
+ \ifdim \sign\@arclen>720\p@
+ \PackageWarning {pict2e}{The arc angle is reduced to -720..720}%
+ \@whiledim \sign\@arclen>720\p@ \do {\advance\@arclen-\sign360\p@}%
+ \@tempdima #5\p@ \advance\@tempdima \@arclen
+ \edef\@angleend{\strip@pt\@tempdima}%
+ \pIIe@@arc{#1}{#2}{#3}{#4}{#5}{\@angleend}%
+ \else
+ \pIIe@@arc{#1}{#2}{#3}{#4}{#5}{#6}%
+ \fi
+ \fi}
% \end{macrocode}
% If the angle (its absolute value) is too large, the arc is recursively
% divided into 2 parts until the angle is at most 90~degrees.
% \begin{macrocode}
-\newcommand*\pIIe@@arc[6]{%
- \begingroup
- \ifdim \sign\@arclen>90\p@
- \divide\@arclen 2
- \@tempdima #5\p@ \advance\@tempdima \@arclen
- \edef\@anglemid{\strip@pt\@tempdima}%
- \def\@temp{\pIIe@@arc{#1}{#2}{#3}{#4}{#5}}%
- \expandafter\@temp\expandafter{\@anglemid}%
- \def\@temp{\pIIe@@arc{2}{#2}{#3}{#4}}%
- \expandafter\@temp\expandafter{\@anglemid}{#6}%
- \else
+ \newcommand*\pIIe@@arc[6]{%
+ \begingroup
+ \ifdim \sign\@arclen>90\p@
+ \divide\@arclen 2
+ \@tempdima #5\p@ \advance\@tempdima \@arclen
+ \edef\@anglemid{\strip@pt\@tempdima}%
+ \def\@temp{\pIIe@@arc{#1}{#2}{#3}{#4}{#5}}%
+ \expandafter\@temp\expandafter{\@anglemid}%
+ \def\@temp{\pIIe@@arc{2}{#2}{#3}{#4}}%
+ \expandafter\@temp\expandafter{\@anglemid}{#6}%
+ \else
% \end{macrocode}
% We approximate the arc by a Bezier curve. First we calculate the
% coordinates of the initial point:
% \begin{macrocode}
- \CalculateSin{#5}\CalculateCos{#5}%
- \@tempdima\UseCos{#5}\@arcrad \advance\@tempdima #2\relax
- \@tempdimb\UseSin{#5}\@arcrad \advance\@tempdimb #3\relax
+ \CalculateSin{#5}\CalculateCos{#5}%
+ \@tempdima\UseCos{#5}\@arcrad \advance\@tempdima #2\relax
+ \@tempdimb\UseSin{#5}\@arcrad \advance\@tempdimb #3\relax
% \end{macrocode}
% The coordinates are added to the path if and how necessary:
% \begin{macrocode}
- \ifcase #1\relax
- \pIIe@lineto\@tempdima\@tempdimb
- \or \pIIe@moveto\@tempdima\@tempdimb
- \or
- \else \PackageWarning {pict2e}%
- {Illegal obligatory argument in \protect\circlearc.}%
- \fi
+ \ifcase #1\relax
+ \pIIe@lineto\@tempdima\@tempdimb
+ \or \pIIe@moveto\@tempdima\@tempdimb
+ \or
+ \else \PackageWarning {pict2e}%
+ {Illegal obligatory argument in \protect\circlearc.}%
+ \fi
% \end{macrocode}
% The distance of control points from the endpoints is $\frac 43 r \tan \frac
% \varphi4$ ($\varphi$ is the angle and $r$ is the radius of the arc).
% \begin{macrocode}
- \@tempdimc\@arclen \divide\@tempdimc\@iv
- \edef\@angle{\strip@pt\@tempdimc}\CalculateTan{\@angle}%
- \@linelen\UseTan{\@angle}\@arcrad \@linelen4\@linelen \divide\@linelen\thr@@
+ \@tempdimc\@arclen \divide\@tempdimc\@iv
+ \edef\@angle{\strip@pt\@tempdimc}\CalculateTan{\@angle}%
+ \@linelen\UseTan{\@angle}\@arcrad \@linelen4\@linelen \divide\@linelen\thr@@
% \end{macrocode}
% Coordinates of the first control point, added to the path:
% \begin{macrocode}
- \advance\@tempdima-\UseSin{#5}\@linelen
- \advance\@tempdimb \UseCos{#5}\@linelen
- \pIIe@add@nums\@tempdima\@tempdimb
+ \advance\@tempdima-\UseSin{#5}\@linelen
+ \advance\@tempdimb \UseCos{#5}\@linelen
+ \pIIe@add@nums\@tempdima\@tempdimb
% \end{macrocode}
% Coordinates of the endpoint:
% \begin{macrocode}
- \CalculateSin{#6}\CalculateCos{#6}%
- \@tempdima \UseCos{#6}\@arcrad \advance\@tempdima #2\relax
- \@tempdimb \UseSin{#6}\@arcrad \advance\@tempdimb #3\relax
+ \CalculateSin{#6}\CalculateCos{#6}%
+ \@tempdima \UseCos{#6}\@arcrad \advance\@tempdima #2\relax
+ \@tempdimb \UseSin{#6}\@arcrad \advance\@tempdimb #3\relax
% \end{macrocode}
% Coordinates of the second control point:
% \begin{macrocode}
- \@tempdimc \UseSin{#6}\@linelen \advance\@tempdimc \@tempdima
- \@tempdimd-\UseCos{#6}\@linelen \advance\@tempdimd \@tempdimb
+ \@tempdimc \UseSin{#6}\@linelen \advance\@tempdimc \@tempdima
+ \@tempdimd-\UseCos{#6}\@linelen \advance\@tempdimd \@tempdimb
% \end{macrocode}
% Adding the second control point and the endpoint to the path
% \begin{macrocode}
- \pIIe@add@nums\@tempdimc\@tempdimd
- \pIIe@add@CP\@tempdima\@tempdimb
- \pIIe@addtoGraph\pIIe@curveto@op
- \fi
- \endgroup}
+ \pIIe@add@nums\@tempdimc\@tempdimd
+ \pIIe@add@CP\@tempdima\@tempdimb
+ \pIIe@addtoGraph\pIIe@curveto@op
+ \fi
+ \endgroup}
% \end{macrocode}
% \end{macro}
% \begin{macro}{\arc}
@@ -3297,17 +3334,17 @@
% obligatory first parameter comma separated pair of angles (initial and
% final).
% \begin{macrocode}
-\newcommand*\arc{\@ifstar{\@tempswatrue\@arc}{\@tempswafalse\@arc}}
-\newcommand*\@arc[2][0,360]{\@@arc(#1){#2}}
-\def\@@arc(#1,#2)#3{%
- \if@tempswa
- \pIIe@moveto\z@\z@
- \pIIe@arc{\z@}{\z@}{#3\unitlength}{#1}{#2}%
- \pIIe@closepath\pIIe@fillGraph
- \else
- \pIIe@arc[1]{\z@}{\z@}{#3\unitlength}{#1}{#2}%
- \pIIe@strokeGraph
- \fi}
+ \newcommand*\arc{\@ifstar{\@tempswatrue\@arc}{\@tempswafalse\@arc}}
+ \newcommand*\@arc[2][0,360]{\@@arc(#1){#2}}
+ \def\@@arc(#1,#2)#3{%
+ \if@tempswa
+ \pIIe@moveto\z@\z@
+ \pIIe@arc{\z@}{\z@}{#3\unitlength}{#1}{#2}%
+ \pIIe@closepath\pIIe@fillGraph
+ \else
+ \pIIe@arc[1]{\z@}{\z@}{#3\unitlength}{#1}{#2}%
+ \pIIe@strokeGraph
+ \fi}
% \end{macrocode}
% \end{macro}
%
@@ -3524,7 +3561,7 @@
% \end{macrocode}
%
%
-%\ifdeveloping
+% \ifdeveloping
%
% \section{Bugs}
%
@@ -3552,11 +3589,11 @@
% \hline
% \end{tabular}
%
-%\iffalse
+% \iffalse
% \newenvironment{erratalist}
% {\begin{longtable}{r>{\raggedright}p{2cm}l>{\raggedright}p{10cm}l}}
% {\endgobble\end{longtable}}
-%\fi
+% \fi
%
% \bigskip
% \noindent
@@ -3663,7 +3700,7 @@
% \tabularnewline \hline
% \end{longtable}
%
-%\fi
+% \fi
%
%
% \Finale