Initial release of Maemo 5 port of gnuplot

[gnuplot] / docs / old / README.pro

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+The modifications to gnuplot 3.2 in this directory add the
+capability of plotting probability distributions.
+
+This mod adds the following extra standard gnuplot functions:
+
+ibeta   - incomplete beta function
+igamma  - incomplete gamma function
+lgamma  - natural log of gamma
+gamma   - gamma function
+erf     - error function (= trivial variation of infamous bell curve)
+erfc    - 1.0 - error function (more accurate than 1.0 - erf yourself)
+rand    - pseudo random number generator (in compliance with Knuth)
+
+using these things as building blocks, a gnuplot command file 'stat.inc'
+is provided with definitions of almost all statistical distributions.
+
+Author: Jos van der Woude, jvdwoude@hut.nl
+
+==========================================================
+Directions to install gnuplot 3.3:
+(diffs are relative to gnuplot 3.0, patchlevel 2.0)
+
+If you have a BSD machine, add the following to
+the makefile.unx:
+
+OPTIONS = -DERF -DGAMMA
+
+and specfun.c to the SOURCES and specfun.o to the OBJECTS.
+
+For MSDOS machines (and non-BSD machines) do the following:
+
+ASSUMPTIONS:
+The diffs provided work for msdos based pc's, using turbo C, version 2.0,
+and Borland C++, version 2.0 or 3.0.
+If you use a different setup, you might have to make (some) changes.
+
+GOAL:
+To extend the standard function library of gnuplot 3.2 with the following
+functions:
+
+ibeta    - incomplete beta function
+igamma   - incomplete gamma function
+erf()    - error function (= trivial variation of normal distribution function)
+erfc()   - 1.0 - erf() (more accurate than computing 1.0 - erf() yourself)
+gamma()  - gamma function (for entire domain!)
+lgamma() - natural logarithm of gamma function
+rand()   - a statistical acceptable version of standard C rand() function
+
+These additions to the repertoire of standard functions turn gnuplot into
+an excellent tool for plotting statistical density and distribution functions.
+
+DETAILED INSTRUCTIONS:
+0. Split the bottom part of this file into the appropriate files:
+   readme.p3, patch3.dif, stat.inc, nomo95.dem, random.dem, prob.dem,
+   prob2.dem, and specfun.c using an editor or a PD PC shar utility.
+
+1. Use the patch program to generate new versions of:
+   gnuplot.doc, command.c, internal.c, misc.c, parse.c, plot.c, plot.h,
+   standard.c, util.c and version.c
+
+2. Make sure that file specfun.c is in the gnuplot directory.
+
+3. Use the make program to create new version of gnuplot.
+
+4. Test the new functions with commmand files prob.dem, prob2.dem,
+   random.dem and nomo95.dem.
+
+KNOWN BUG:
+On MSDOS machines this modification can result in a DGROUP segment overflow
+error at link time. The reason is that gnuplot uses the resources of the
+large memory model right up to the limit.
+There are two things you can do about this:
+
+1. Compile gnuplot using the huge memory model.
+   This was tested using Borland C++, version 2.0: Works fine, even with
+   -DREADLINE enabled.
+
+2. If you dont want to compile under the huge memory model you can try to
+   disable unused terminal drivers in term.h. See instructions at top
+   of file term.h.
+
+
+Happy plotting,
+
+Jos van der Woude
+Amsterdam, The Netherlands
+jvdwoude@hut.nl