..... pst-func.tex
0.99  2021-11-03  - fix for psLorenz (missing sort routine)
0.98  2021-10-30  - fix for Gini coefficiant
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
0.93  2019-05-17  - fix for missing end in a local dictionary (\psBinomialX)
0.92  2018-12-13  - allow algebraic mode for \pscumIntegral
0.91  2018-11-15  - new algorithm for sin/cos integral to prevent problems
                    with large values 
0.90  2018-11-14  - fix bug with latest Ghostscript 
0.89  2018-04-08  - added labelangle and labeldistance for \psZero, 
0.88  2017-08-24  - use always URW fonts instead of PostScript, 
                    eg Helvetica->NimbusSanL
0.87a 2017-08-17  - added \RequirePackage for pst-func.sty
0.87  2017-08-03  - modified algorithm for the distributions
0.86  2017-06-21  - allow alternating colors for bars
0.85  2017-04-18  - allow framing of function values (ts)
0.84  2017-03-11  - some more modifications to the binomial distributions (ts)
0.83  2017-03-07  - added some more macros for binomial distributions (ts)
0.82  2016-05-01  - psk@PontName->\psk@func@PointName (same name in pst-eucl)
0.81  2014-05-20  - changed \pstVerb to \pst@Verb in \psZero to allow
                    variables from tx@Dict
0.80  2014-05-19  - added \psZero for calculating and printing
                    the zeros of a function or the intermediate
                    point of two functions.
0.79  2014-03-21  - allow option algebraic for \psVolume
0.78  2014-02-03  - added \psWeierstrass as original defined
0.77  2014-02-01  - added \psWeierstrass
0.76  2012-01-13  - modifications to \psImpPlot
0.75  2012-01-01  - moved \psPrintValue into pst-tools
0.74  2011-11-02  - make \psLorenz work in a correct way
0.73  2011-10-21  - add \psModBessel function
0.72  2011-04-23  - allow option comma for all functions
                  - use helper function dot2comma
0.71  2010-11-03  - allow option dotstyle for \psGaussI
0.70  2010-10-02  - moved vasicek as \psvasicek from pst-math
                    to pst-func
0.69  2010-06-21  - fix bug with markZeros
0.68  2010-02-11  - add Weibull distribution
0.67  2010-02-09  - fix bug with arrows in \psPolynomial
0.66  2010-01-26  - new optional argument for the Gini
                    coefficient of \psLorenz
0.65  2010-01-25  - new distribution \psCauchy
                  - new macro psLorenz for the Lorenz curve
0.64  2010-01-19  - new optional argument for \psplotImp
                    to insert predefined PS code
0.63  2010-01-04  - fixed bug with Bezier definition
0.62  2009-12-01  - fixed bug with \pst@Shift in \psGaussI
0.61  2009-11-30  - fixed bug with \psGaussI
0.60  2009-10-08  - modified \psPrintValue to allow algebraic function mode
                  - fix bug with algebraic=true for all macros with \psplot
                    which need postfix code
0.59  2009-01-23  - add option \psk@xShift for \psPrintValue
0.58  2008-12-08  - add the ChebyshevT and ChebyshevU (first and second kind)
                    the macros are only wrappers for the PS routines
		  - take the optional argument comma from pstricks-add into
                    account for \psPrintValue
0.57  2008-11-13  - new optional argument for the step width of \psPlotImp
0.56  2008-10-31  - fix bug with \psPoisson, thanks to Gerry Coombes
                  - index for the documentation
0.55  2008-06-12  added code for Thomae's function, aka popcorn function
0.54  2008-03-22  added Bernstein code for Bernstein polynomials with
                  optional argument for the envolope curve
0.53  2008-03-21  - added macro \psBezier# for Bezier curves of order
		    #=1...9 with 2..10 pairs of coordinates
0.52  2008-03-02  - changes macros from SpecialObj to OpenObj, which allows the use
		    of the macros inside \pscustom
0.51  2008-02-27  - enable filling support for \psIntegral  and \psCumIntegral
		    (suggested by Rafal Bartczuk) 
0.50  2007-08-30  - modified \psPoisson{m,N}{Lambda} (Gerry Coombes) 
		  - modified \psPolynomial{m,n,N}{Lambda} (Gerry Coombes) 
		  - fixed bug in \psPoisson with markZeros
		  - fixed bug in \psBinomial with markZeros
		  - fixed bug in psPlotImp with \psyunit
		  - added new distribution functions
		    \psFDist for F-distribution
		    \psGammaDist
		    \psChiIIDist
		    \psTDist for Student's t-distribution
		    \psBetaDist for Beta distribution
		  - use pat-math.pro for GAMMALN function
0.49  2007-06-23  - add psVolume, rotating a function around the x-axis 
0.48  2007-03-17  - add another distribution function: psPoisson 
0.47  2007-02-01  - add support of arrows for psPolynomial 
0.46  2006-09-06  - using the bool key from xkeyval
                  - adding the superellipse function (Lame curve)
		  - uses pstricks-add for algebraic plot
0.45  2006-04-22  make polarplot and algebraic option work
		  added \psplotImp for plotting implicit
		  defined functions (experimental)
		  accept plotstyle curve for \psBinomialN
		  new option barwidth for \psBinomial
		  new macro \psBinomial and \psBinomialN
0.44  2006-01-16  new macros \psCumIntegral, \psIntegral
		  \psConv
0.43  2005-12-19  new macro psSi for the integral sin Si(x)
                  and si(x)=Si(x)-pi/2
		  and Ci(x), the integral cosin
0.42  2005-12-09  new macro psGaussI for the integral of Gauss
                  use mue as option name instead of xShift (\psGauss}
0.41  2005-09-23  new macro pstPrintValue
0.40  2005-04-09  new option xShift instaed of x0 for psPolynomial and Gauss
0.39  2005-04-09  new option x0 for Gauss
0.38  2004-11-08  change the option Abbreviation to the right one
                  Derivation
0.37  2004-11-08  changes pstricks object type from closed to open
0.36  2004-11-07  some more options for the polynomial macro
0.35  2004-10-26  added the zero points for the function
0.34  2004-10-22  modification to the Abbreviation key
0.33  2004-10-19  added options firstAbbrColor|Style and secondAbbrColor/Style


..... pst-func.sty
      2004-10-18  first version
      2006-04-22  add pst-func.pro to the filelist
      2013-06-03  correct file version for  pst-func.pro


..... pst-func.pro
0.18  2021-10-30  - added arraysum and arrayprod
0.17  2018-12-13  - allow algebraic mode for Simpson
0.16  2018-11-15  - new algorithm for Si/si/Ci/ci
0.15  2013-06-10  - fix bug with wrong arrow in psBezier#
0.14  2013-06-03  - fix bug with arrow in psBezier#
0.13  2010-06-21  - run FindZeros in a local dictionary
                  - return [zeros] on stack
0.12  2010-01-04  rename Points to BezierPoints to prevent clash with
                  pstricks.pro
0.11  2009-05-05  cosmetic changes
0.10  2009-01-08  added ChebyshevT and ChebyshevU (first and second kind)
0.09  2008-03-22  added Bernstein code for Bernstein polynomials
0.08  2008-03-21  added BezierCurve code for Bezier curves of up to
		    order 9 
0.07  2007-08-30  new subroutine LogGamma 
0.06  2006-04-16  new subroutine MoverN (binomial coefficient)
0.05  2005-12-19  new subroutine Si and si for the integral sin
                  new subroutine for the integral cosin
                  new subroutine factorial (recursive)
0.04  2005-12-05  new subroutine Simpson for the integral of Gaussian curve
0.03  2005-07-28  add the complex part
0.02  2004-11-08  change Abbreviation to the right name Derivation
0.01  2004-11-04  first version
