pst-func (29oct21)

git-svn-id: svn://tug.org/texlive/trunk@60889 c570f23f-e606-0410-a88d-b1316a301751

7 files changed, 173 insertions, 158 deletions

diff --git a/Master/texmf-dist/doc/generic/pst-func/Changes b/Master/texmf-dist/doc/generic/pst-func/Changes
index 1aadfbe9be4..47203c52d69 100644
--- a/Master/texmf-dist/doc/generic/pst-func/Changes
+++ b/Master/texmf-dist/doc/generic/pst-func/Changes
@@ -1,4 +1,5 @@
 ..... pst-func.tex
+0.97  2021-10-29  - fix and extension for \psLorenz curve
 0.96  2021-04-06  - added start/endAngle for \psLame
 0.95  2020-06-07  - another two more polynomial functions
 0.94  2020-01-01  - small fixes
diff --git a/Master/texmf-dist/doc/generic/pst-func/README.md b/Master/texmf-dist/doc/generic/pst-func/README.md
index d7afcc5c615..2552fc43849 100644
--- a/Master/texmf-dist/doc/generic/pst-func/README.md
+++ b/Master/texmf-dist/doc/generic/pst-func/README.md
@@ -6,8 +6,6 @@
 - psBernstein (with envelope option)
 - psFourier
 - psBessel
-- psLagrange
-- psLegendre
 - psSi and pssi (integral sin)
 - psCi and \psci (integral cosin)
 - psIntegral
@@ -24,6 +22,7 @@
 - psBetaDist for Beta distribution
 - psWeibull for Weibull distribution 
 - psLame (Lamé Curve - a superellipse)
+- psLorenz
 - psThomae (popcorn function)
 - psWeierstrass (original and modified)
 - psplotImp (plotting implicit defined functions)
@@ -43,9 +42,10 @@ be part of your local TeX installation, otherwise get it from a
 CTAN server, http://mirror.ctan.org
 
 PSTricks is PostScript Tricks, the documentation cannot be run
-with pdftex, use the sequence latex->dvips->ps2pdf or
+with pdftex, use lualatex or the sequence latex->dvips->ps2pdf or
 pdflatex with package auto-pst-pdf or xelatex.
 
-%% $Id: README 897 2014-03-21 08:06:41Z herbert $
+hvoss@tug.org
+
 
-Bugs: hvoss@tug.org
\ No newline at end of file
+%% $Id: README 897 2014-03-21 08:06:41Z herbert $
diff --git a/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.pdf b/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.pdf
index 12ee728910d..368a838f5bf 100644
--- a/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.pdf
+++ b/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.pdf
diff --git a/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex b/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex
index cf3819048b0..f47e587290a 100644
--- a/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex
+++ b/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex
@@ -1,6 +1,8 @@
-%% $Id: pst-func-doc.tex 1184 2020-06-06 18:36:57Z herbert $
-\documentclass[fontsize=11pt,english,BCOR=10mm,DIV=12,bibliography=totoc,parskip=false,
-   headings=small, headinclude=false,footinclude=false,oneside]{pst-doc}
+\RequirePackage{pdfmanagement-testphase}
+\DeclareDocumentMetadata{}
+%% $Id: pst-func-doc.tex 306 2021-10-29 14:48:08Z herbert $
+\documentclass[fontsize=11pt,english,BCOR=10mm,DIV=12,bibliography=totoc,parskip=false,headings=small,
+    headinclude=false,footinclude=false,oneside]{pst-doc}
 \usepackage{pst-func}
 \let\pstFuncFV\fileversion
 \usepackage{pst-math}
@@ -48,7 +50,7 @@
 \author{Herbert Vo\ss}
 \docauthor{}
 \date{\today}
-\maketitle
+\settitle
 
 \tableofcontents
 \psset{unit=1cm}
@@ -76,7 +78,9 @@ Thanks to \\
     Jürgen Gilg,
     Christophe Jorssen,
     Lars Kotthoff, 
+    Marcel Krüger,
     Buddy Ledger,
+    Pablo Gonzáles Luengo,
     Manuel Luque,
     Patrice Mégret,
     Svend Mortensen,
@@ -609,7 +613,7 @@ which plots the envelope curve instead of the Bernstein polynomial.
 \clearpage
 
 
-\subsection{Laguerre Polynomial}
+\subsection{\Lcs{psLaguerre} -- Laguerre Polynomial}
 It is defined as 
 \[ 
 L_n(x)=\sum_{k=0}^n\frac{(-1)^k}{k!}\binom{n}{k}x^k
@@ -634,10 +638,11 @@ L_n(x)=\sum_{k=0}^n\frac{(-1)^k}{k!}\binom{n}{k}x^k
 \clearpage
 
 
-\subsection{Legendre Polynomial}
-It is defined as an orthogonal system
+\subsection{\Lcs{psLegendre} -- Legendre Polynomial}
+It is defined by the contour integral:
 \[ 
-\int\limits_{-1}^{+1}P_m(x)(P_n(x)\mathrm dx=0, \text{ with } n\ne m
+P_n(x)=\frac1{2\pi} \oint(1-2tx+t^2)^{-1/2}t^{-n-1}\mathrm dt
+%\int\limits_{-1}^{+1}P_m(x)(P_n(x)\mathrm dx=0, \text{ with } n\ne m
 \]
 
 For the computatíon we use a recursive definition:
@@ -1532,6 +1537,8 @@ labelangle=80,LabelColor=blue]{6}{0.4}
 \end{pspicture}
 \end{LTXexample}
 
+%$
+
 \begin{LTXexample}[pos=t,preset=\centering]
 \psset{xunit=0.25cm,yunit=10cm}
 \begin{pspicture*}(-1,-0.05)(61,0.52)
@@ -1821,7 +1828,7 @@ and has the syntax
 \end{LTXexample}
 
 \clearpage
-\subsection{$\chi^2$-distribution}
+%\subsection{$\chi^2$-distribution}
 The $\chi^2$-distribution is a continuous probability distribution. It
 usually arises when a $k$-dimensional vector's orthogonal components are 
 independent and each follow a standard normal distribution. 
@@ -2108,7 +2115,7 @@ example.
 \end{LTXexample}
 
 \clearpage
-\section{The Lorenz curve}
+\section{\nxLcs{psLorenz}, Lorenz curve}
 The so-called \Index{Lorenz curve} is used in economics to describe inequality in
 wealth or size. The Lorenz curve is a function of the cumulative proportion of
 \textit{ordered individuals} mapped onto the corresponding cumulative proportion
@@ -2118,9 +2125,15 @@ then the sample Lorenz curve is the \textit{polygon} joining the points $(h/n,L_
 where $h=0, 1, 2,\ldots n, L_0=0$ and $L_h=\sum_{i=1}^h x_i^{\prime}$. 
 
 \begin{BDef}
-\LcsStar{psLorenz}\OptArgs\Largb{data file}
+\LcsStar{psLorenz}\OptArgs\OptArg*{<X data>}\Largb{Y data}
 \end{BDef}
 
+
+Without  defining data for the x values the Y data will be sorted
+and then printed over the relativ x values. For example: 5 y values
+will be printed for $x\in[0, 0.2, 0.4, 0.6, 0.8, 1]$
+
+
 \begin{LTXexample}[pos=t,preset=\centering]
 \psset{lly=-6mm,llx=-5mm}
 \psgraph[Dx=0.2,Dy=0.2,axesstyle=frame](0,0)(1,1){6cm}{6cm}
@@ -2131,16 +2144,28 @@ where $h=0, 1, 2,\ldots n, L_0=0$ and $L_h=\sum_{i=1}^h x_i^{\prime}$.
 \endpsgraph
 \end{LTXexample}
 
+
+
+\begin{LTXexample}[pos=t,preset=\centering]
+\psset{lly=-6mm,llx=-5mm}
+\psgraph[Dx=0.2,Dy=0.2,axesstyle=frame](0,0)(1,1){6cm}{6cm}
+\psline[linestyle=dashed](1,1)
+\psLorenz[linecolor=blue!30,linewidth=1.5pt,showpoints]{1  4 6 9 100}
+\psLorenz[linecolor=red!60,linewidth=1.5pt,showpoints]<83 104 134 143 185>{460 343 406 501 1662}
+\psLorenz[linecolor=green,linewidth=1.5pt]{0 0.577 0.934 0.947 0.969 0.986}
+\endpsgraph
+\end{LTXexample}
+
 There exists an optional argument \Lkeyword{Gini} for the output of the \Index{Gini coefficient}.
-It is by default set to \false. With \true the value is caculated and printed below the
+It is by default set to \false. With \true\ the value is caculated and printed below the
 origin of the coordinate system. 
 
 \begin{LTXexample}[pos=t,preset=\centering]
 \psset{lly=-13mm,llx=-5mm}
 \psgraph[Dx=0.2,Dy=0.2,axesstyle=frame](0,0)(1,1){6cm}{6cm}
 \psline[linestyle=dashed](1,1)
-\psLorenz[linewidth=1.5pt,Gini]{0.025 0.275 0.2 0.270 0.230}
-\psLorenz[plotstyle=dots,dotstyle=square,dotscale=1.5]{0.025 0.275 0.2 0.270 0.230}
+\psLorenz[linewidth=1.5pt,Gini]<83 104 134 143 185>{460 343 406 501 1662}
+\psLorenz[plotstyle=dots,dotstyle=square,dotscale=1.5]<83 104 134 143 185>{460 343 406 501 1662}
 \endpsgraph
 \end{LTXexample}
 
@@ -2210,6 +2235,23 @@ and unit.
 \end{LTXexample}
 \egroup
 
+
+
+
+\bgroup
+\begin{LTXexample}[pos=t,preset=\centering]
+\definecolorseries{col}{rgb}{last}{red}{blue}
+\resetcolorseries[41]{col}
+\psset{unit=.5}
+\pspicture(-9,-9)(9,9)
+  \psaxes[Dx=2,Dy=2,tickstyle=bottom,ticksize=2pt]{->}(0,0)(-9,-9)(9,9)
+  \multido{\rA=0.2+0.1,\iA=0+1}{40}{%
+    \psLame[radiusA=8,radiusB=7,startAngle=45,endAngle=315,
+	linecolor={col!![\iA]},linewidth=.5pt]{\rA}}
+\endpspicture
+\end{LTXexample}
+\egroup
+
 \clearpage
 \section{\nxLcs{psThomae} -- the popcorn function}
 \Index{Thomae's function}, also known as the \Index{popcorn function}, 
diff --git a/Master/texmf-dist/dvips/pst-func/pst-func.pro b/Master/texmf-dist/dvips/pst-func/pst-func.pro
index 09252c19a36..f752442e87c 100644
--- a/Master/texmf-dist/dvips/pst-func/pst-func.pro
+++ b/Master/texmf-dist/dvips/pst-func/pst-func.pro
@@ -316,7 +316,8 @@ tx@FuncDict begin
   end 
 } def
 %
-/ChebyshevT { 5 dict begin	% z on stack
+/ChebyshevT { 
+  5 dict begin	% z on stack
   /xtmp exch def
   /n exch def
   0 0 1 n .5 mul floor {
@@ -329,7 +330,8 @@ tx@FuncDict begin
   end
 } def
 %
-/ChebyshevU {5 dict begin	% z on stack
+/ChebyshevU {
+  5 dict begin	% z on stack
   /xtmp exch def
   /n exch def
   0 0 1 n .5 mul floor {
@@ -367,6 +369,39 @@ tx@FuncDict begin
 %end{vasicek density}
 %
 end 
+%
+/arraySum { % on stack the array
+  5 dict begin
+  dup length 0 eq 
+    {} 
+    { /xArray exch def
+      /xSum 0 def
+      /i 0 def
+      xArray length {
+        /xSum xSum xArray i get add def
+        /i i 1 add def
+      } repeat
+    } ifelse     
+  xSum
+  end
+} def
+%
+/arrayProd { % on stack the array
+  5 dict begin
+  dup length 0 eq 
+    {} 
+    { /xArray exch def
+      /xProd 1 def
+      /i 0 def
+      xArray length {
+        /xProd xProd xArray i get mul def
+        /i i 1 add def
+      } repeat
+    } ifelse     
+  xProd
+  end
+} def
+%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % subroutines for complex numbers, given as an array [a b] 
 % which is a+bi = Real+i Imag
diff --git a/Master/texmf-dist/tex/generic/pst-func/pst-func.tex b/Master/texmf-dist/tex/generic/pst-func/pst-func.tex
index abd00a74c16..3e67c926f97 100644
--- a/Master/texmf-dist/tex/generic/pst-func/pst-func.tex
+++ b/Master/texmf-dist/tex/generic/pst-func/pst-func.tex
@@ -1,4 +1,4 @@
-%% $Id: pst-func.tex 1184 2020-06-06 18:36:57Z herbert $
+%% $Id: pst-func.tex 306 2021-10-29 14:48:08Z herbert $
 %%
 %% This is file `pst-func.tex',
 %%
@@ -31,8 +31,8 @@
 % interface to the `xkeyval' package
 \pst@addfams{pst-func}
 %
-\def\fileversion{0.96}
-\def\filedate{2021/04/05}
+\def\fileversion{0.97}
+\def\filedate{2021/10/29}
 \message{`PST-func' v\fileversion, \filedate\space (hv)}
 %
 \pstheader{pst-func.pro}
@@ -58,20 +58,20 @@
   \pst@killglue
   \psset{#1}
   \psplot[algebraic=false]{#2}{#3}{%
-      /type (cos) def
+      /psFtype (cos) def
       /Fourier {
         aload length /n exch def
         n -1 roll 2 div n 1 roll % a0/2
         n 1 sub -1 0 {
           /i exch def
           i x mul 180 mul 3.141592 div
-          type (sin) eq {sin}{cos} ifelse
+          psFtype (sin) eq {sin}{cos} ifelse
           mul n 1 roll
         } for
         n 1 sub -1 1 { pop add } for
       } def
       [\psk@cosCoeff] Fourier
-      /type (sin) def
+      /psFtype (sin) def
       [0 \psk@sinCoeff] Fourier add
     }%
 }\ignorespaces}
@@ -185,10 +185,10 @@
     xy moveto
   }%
   \if@pst%	lines and dots
-    \psPolynomial@iii%
+    \psPolynomial@iii
   \else%	curves
-    \psPolynomial@ii%
-  \fi%
+    \psPolynomial@ii
+  \fi
   \endgroup
 \ignorespaces}
 %
@@ -698,10 +698,10 @@ grestore
 }
 %
 \define@key[psset]{pst-func}{PSfont}[NimbusRomNo9L-Regu]{\def\psk@PSfont{/#1 }}
-\define@key[psset]{pst-func}{valuewidth}[10]{\pst@getint{#1}\psk@valuewidth }
+\define@key[psset]{pst-func}{valuewidth}[20]{\pst@getint{#1}\psk@valuewidth }
 \define@key[psset]{pst-func}{fontscale}[10]{\pst@checknum{#1}\psk@fontscale }
 \define@key[psset]{pst-func}{decimals}[-1]{\pst@getint{#1}\psk@decimals }
-\psset[pst-func]{PSfont=NimbusRomNo9L-Regu,fontscale=10,valuewidth=10,decimals=-1}
+\psset[pst-func]{PSfont=NimbusRomNo9L-Regu,fontscale=10,valuewidth=20,decimals=-1}
 %
 \def\psPrintValue{\pst@object{psPrintValue}}
 \def\psPrintValue@i#1{\expandafter\psPrintValue@ii#1,,\@nil}
@@ -715,7 +715,8 @@ grestore
        Func
      \else #1 \fi
      \psk@decimals -1 gt { 10 \psk@decimals exp dup 3 1 roll mul cvi exch div } if
-     \psk@valuewidth string cvs %/Output exch def % save output
+     %\psk@valuewidth 
+     100 string cvs %/Output exch def % save output
      \ifPst@comma dot2comma \fi        % do we have to change dot to comma
      \psk@xShift\space 0 moveto  %Output
      show grestore
@@ -1596,134 +1597,70 @@ grestore
 \define@boolkey[psset]{pst-func}[Pst@]{Gini}[true]{}
 \psset[pst-func]{Gini=false}
 %
-\def\psLorenz{\pst@object{psLorenz}}
-\def\psLorenz@i#1{{%
-%  \readdata{\L@Data}{#1}%
+\def\psLorenz{\def\pst@par{}\pst@object{psLorenz}}
+\def\psLorenz@i{\@ifnextchar<\psLorenz@ii{\psLorenz@ii<>}}
+\def\psLorenz@ii<#1>#2{%
   \if@star\addto@par{fillstyle=solid,fillcolor=\pslinecolor}\fi
-  \use@par%
-\iffalse
-  \def\Lorenz@code{
-  /D {} def
-  [ \L@Data\space counttomark dup
-    1 sub /m ED 2 div cvi /n ED % m=0..n-1    n=number of pairs
-  ] /xyValues ED
-  /Xval [] def  /Yval [] def /Xmax 0 def
-  /Xsum 0 def /Ysum 0 def /XYsum 0 def
-  xyValues aload pop             	% [ x y x y x y ... ]
-  n { 2 copy mul XYsum add /XYsum ED
-      dup
-      Yval aload length 1 add array astore /Yval ED
-      Ysum add /Ysum ED
-      dup
-      Xval aload length 1 add array astore /Xval ED
-      dup Xsum add /Xsum ED
-      dup Xmax gt { /Xmax ED }{ pop } ifelse
-  } repeat
-  Xval bubblesort /Xval ED
-  Yval bubblesort /Yval ED
-  Xval { Xmax div } forall n array astore /XvalRelMax ED
-  Xval { Xsum div } forall n array astore /XvalRel ED
-  Yval { Ysum div } forall n array astore /YvalRel ED
-  0 1 n 1 sub {
-    cvi /Index ED
-    Xval Index get
-    Yval Index get
-    mul } for
-  n array astore /XmulY ED
-  XmulY aload length 1 sub { add } repeat
-  /XmulYsum ED
-  XmulY { XmulYsum div } forall
-  n array astore /XmulYdivXmulYsum ED
-  /X [0] def
-  /Y [0] def
-  /Xsum 0 def /Ysum 0 def
-  0 1 n 1 sub {
-    /Index ED
-%    XvalRel Index get Xsum add /Xsum ED
-%    X aload length 1 add Xsum exch array astore /X ED
-    X aload length 1 add XvalRelMax Index get exch array astore /X ED %%
-    XmulYdivXmulYsum Index get Ysum add /Ysum ED
-    Y aload length 1 add Ysum exch array astore /Y ED
-  } for
-  \ifPst@Gini
-  0 % start value for Gini
-  0 1 X length 2 sub {
-    /Index ED
-    Y Index get Y Index 1 add get add 2 div % yHeight=(y0+y1)/2
-    X Index 1 add get X Index get sub abs   % xWidth=x1-x0
-    mul % x*y
-    add
-  } for
-  2 mul 1 sub neg % triangle area divided by the area under the polygon
-  \psk@PSfont\space findfont \psk@fontscale scalefont setfont
-  \psk@decimals -1 gt { 10 \psk@decimals exp dup 3 1 roll mul cvi exch div } if
-  \psk@valuewidth string cvs %/Output exch def % save output
-  \ifPst@comma dot2comma \fi      % do we have to change dot to comma
-  /Output ED
-  \psk@xShift\space -30 moveto (Gini: ) show
-  Output show
-  \fi
-  0 1 n { dup X exch get exch Y exch get } for
-  \if@star 1 0 0 0 \fi                   % add values for the closed curve
-  }% filling the area under the curve.
-\fi
-%%%%%%%%%%%%%%%%%%%%%%5
+  \begingroup
+  \use@par
   \def\Lorenz@code{
-  [ #1 ] dup length /n ED
-  bubblesort /Yval ED
-  [ 1 1 n { } for ] /Xval ED
-  /Xsum n dup 1 add mul 2 div cvi def
-  /Ysum 0 def /XYsum 0 def
-  0 Yval { add } forall /Ysum ED
-  Xval { n div } forall n array astore /XvalRelMax ED
-  Xval { Xsum div } forall n array astore /XvalRel ED
-  Yval { Ysum div } forall n array astore /YvalRel ED
-  0 1 n 1 sub {
-    /Index ED
-    Xval Index get
-    Yval Index get
-    mul } for
-  n array astore /XmulY ED
-  XmulY aload length 1 sub { add } repeat
-  /XmulYsum ED
-  XmulY { XmulYsum div } forall
-  n array astore /XmulYdivXmulYsum ED
-  /X [0] def
-  /Y [0] def
-  /Xsum 0 def /Ysum 0 def
-  0 1 n 1 sub {
-    /Index ED
-%    XvalRel Index get Xsum add /Xsum ED
-%    X aload length 1 add Xsum exch array astore /X ED
-    X aload length 1 add XvalRelMax Index get exch array astore /X ED %%
-    XmulYdivXmulYsum Index get Ysum add /Ysum ED
-    Y aload length 1 add Ysum exch array astore /Y ED
-  } for
-  \ifPst@Gini
-  0 % start value for Gini
-  0 1 X length 2 sub {
-    /Index ED
-    Y Index get Y Index 1 add get add 2 div % yHeight=(y0+y1)/2
-    X Index 1 add get X Index get sub abs   % xWidth=x1-x0
-    mul % x*y
-    add
-  } for
-  2 mul 1 sub neg % triangle area divided by the area under the polygon
-  \psk@PSfont\space findfont \psk@fontscale scalefont setfont
-  \psk@decimals -1 gt { 10 \psk@decimals exp dup 3 1 roll mul cvi exch div } if
-  \psk@valuewidth string cvs %/Output exch def % save output
-  \ifPst@comma dot2comma \fi      % do we have to change dot to comma
-  /Output ED
-  \psk@xShift\space -30 moveto (Gini: ) show
-  Output show
-  \fi
-  0 1 n { dup X exch get exch Y exch get } for
-  \if@star 1 0 0 0 \fi                   % add values for the closed curve
+    25 dict begin
+    [ #2 ] dup length /nVal ED 
+    /Yval ED
+    Yval arraySum /Ysum ED
+    Yval { Ysum div } forall nVal array astore /YvalRel ED %  Pred dist
+    \if$#1$
+      [ 1 1 nVal { nVal div } for ] dup /XvalRel ED /XvalRelCum ED
+      YvalRel bubblesort /YvalRel ED      
+    \else
+      [ #1 ] /Xval ED
+      Xval arraySum /Xsum ED
+      Xval { Xsum div } forall nVal array astore /XvalRel ED %  Freq dist
+      /CumFreq 0 def
+      [
+        0 1 nVal 1 sub {
+          XvalRel exch get CumFreq add dup /CumFreq ED
+        } for
+      ] /XvalRelCum ED
+%      XvalRelCum ==
+    \fi
+    /CumPred 0 def
+    [
+    0 1 nVal 1 sub {
+      YvalRel exch get CumPred add dup /CumPred ED
+    } for
+    ] /YvalRelCum ED
+%    YvalRelCum ==
+%    Xsum == Ysum ==
+    \ifPst@Gini
+      [ 0 1 nVal 1 sub { 
+        /Index ED
+        YvalRelCum Index get 
+        Index 0 eq { 0 }{ YvalRelCum Index 1 sub get } ifelse
+        add 0.5 mul XvalRel Index get mul 
+      } for
+      ] /Area ED
+%      Area ==
+      Area arraySum /B ED
+      0.5 B sub dup B add div
+      \psk@PSfont\space findfont \psk@fontscale scalefont setfont
+      \psk@decimals -1 gt { 10 \psk@decimals exp dup 3 1 roll mul cvi exch div } if
+      \psk@valuewidth string cvs %/Output exch def % save output
+      \ifPst@comma dot2comma \fi      % do we have to change dot to comma
+      /Output ED
+      \psk@xShift\space -30 moveto (Gini: ) show
+      Output show
+    \fi
+    0 0 % the start point
+    0 1 nVal 1 sub { dup XvalRelCum exch get exch YvalRelCum exch get } for
+    \if@star 1 0 0 0 \fi                   % add values for the closed curve
+    end
   }% filling the area under the curve.
   \if@star\listplot*{\Lorenz@code}\else\listplot{\Lorenz@code}%
-%                                       \listplot[plotstyle=bezier,linecolor=red]{\Lorenz@code}
-  \fi%
-}\ignorespaces}
+%     \listplot[plotstyle=bezier,linecolor=red]{\Lorenz@code}
+  \fi
+  \endgroup
+  \ignorespaces}
 %
 % Superellipese / Lamefunction
 \define@key[psset]{pst-func}{radiusA}[1]{\pst@getlength{#1}\pst@radiusA}
diff --git a/Master/texmf-dist/tex/latex/pst-func/pst-func.sty b/Master/texmf-dist/tex/latex/pst-func/pst-func.sty
index 5deceb30196..ff1038570dd 100644
--- a/Master/texmf-dist/tex/latex/pst-func/pst-func.sty
+++ b/Master/texmf-dist/tex/latex/pst-func/pst-func.sty
@@ -13,4 +13,4 @@
   \ProvidesFile{pst-func.pro}[2018/12/13 v. 0.17,  PostScript prologue file (hv)]
 \@addtofilelist{pst-func.pro}}{}%
 \endinput
-%% $Id: pst-func.sty 887 2018-12-29 13:17:59Z herbert $
+%% $Id: pst-func.sty 306 2021-10-29 14:48:08Z herbert $