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 distribs 2011-09-25 dhmunro dhmunro [003806] Merge branch 'master' of
 doc 2011-09-25 dhmunro dhmunro [0a5098] removed license from expanded contents page for...
 drat 2011-10-29 dhmunro dhmunro [75e98e] additional modifications for yorick-doc package
 emacs 2009-12-05 dhmunro dhmunro [ea29df] made several Debian patches part of main distri...
 extend 2005-09-18 dhmunro dhmunro [7fd98b] Initial revision
 extendf 2005-09-18 dhmunro dhmunro [7fd98b] Initial revision
 fft 2011-04-22 dhmunro dhmunro [a741bc] expanded clean target rm pattern from core to c...
 g 2007-06-29 dhmunro dhmunro [79f9df] changed fill to eofill in to match onscre...
 gist 2011-07-06 dhmunro dhmunro [bf851b] fixed bug in plg,type=0 pseudo marker code that...
 hex 2012-08-25 dhmunro dhmunro [748fc7] fixed broken hex_mesh2 in hex.i
 i 2013-04-05 dhmunro dhmunro [a5db57] Added torgb.i torgb function, providing W3C/X11...
 i-start 2013-04-05 dhmunro dhmunro [a5db57] Added torgb.i torgb function, providing W3C/X11...
 i0 2013-04-05 dhmunro dhmunro [a5db57] Added torgb.i torgb function, providing W3C/X11...
 icons 2005-09-18 dhmunro dhmunro [7fd98b] Initial revision
 math 2008-04-13 dhmunro dhmunro [7060ba] bugfix in unused math/heapsort.c
 matrix 2011-04-22 dhmunro dhmunro [a741bc] expanded clean target rm pattern from core to c...
 mpy 2012-12-03 dhmunro dhmunro [e974bc] fixed mpy1.i so that mp_task can return functio...
 opengl 2005-09-18 dhmunro dhmunro [7fd98b] Initial revision
 play 2012-04-14 dhmunro dhmunro [b7dfce] bump version to 2.2.02x
 regexp 2012-09-16 dhmunro dhmunro [f85a07] updated regexp/yfnmatch.h BSD license
 win 2007-03-07 dhmunro dhmunro [d43893] fix bug in wspawn.c, yorlib.dsp for windows
 yorick 2013-03-16 dhmunro dhmunro [728f72] fixed yapi.c:ypush_ptr to increment use counter...
 .gitignore 2011-04-09 dhmunro dhmunro [e9dd37] added *.dSYM/ directories to .gitignore for Mac... 2011-03-14 dhmunro dhmunro [4e68d4] added markdown versions of README and LICENSE f...
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 Makefile 2011-04-22 dhmunro dhmunro [a741bc] expanded clean target rm pattern from core to c...
 Makepkg 2011-04-21 David Munro David Munro [02491c] added *.core to clean target
 ONEWS 2005-09-18 dhmunro dhmunro [7fd98b] Initial revision 2011-03-20 dhmunro dhmunro [c91ab9] more tweaking of README and LICENSE for nice gi...
 TODO 2010-07-20 frigaut frigaut [8ab365] - added a space in TODO just to check I can com...
 VERSION 2012-04-14 dhmunro dhmunro [b7dfce] bump version to 2.2.02x
 configure 2005-09-18 dhmunro dhmunro [7fd98b] Initial revision
 install.rel 2005-09-18 dhmunro dhmunro [7fd98b] Initial revision 2011-03-30 dhmunro dhmunro [8842fe] removed top level README in favor of 2006-02-02 thiebaut thiebaut [1ff021] removed "sort -u" command in 2010-02-28 dhmunro dhmunro [130423] make reloc now default, many compiler warnings ...

Read Me


Yorick is an interactive programming language for scientific computing
that includes scientific visualization functions, and text and binary
I/O functions geared to millions of numbers.

Yorick is open source software, under a
BSD license.
Yorick runs under UNIX, MacOS X (X windows), and MS Windows. You can
find many yorick resources online:

Files in the regexp/ subdirectory are the work of Guido van Rossum and
Henry Spencer; read the files for details. The latter is Copyright
(c) 1986 by University of Toronto.

Files in the fft directory are C translations of the Swarztrauber
fortran FFTPACK routines. Files in the matrix directory are C
translations of the fortran LAPACK routines. The original fortran is
available from

Quick start

On most UNIX-like systems (including Linux and MacOS X), you can build
yorick by changing to the top level directory of the source
distribution and typing:

make install

This will create a subdirectory relocate/ in the source tree. The
yorick executable is relocate/bin/yorick. You can move the relocate/
directory wherever you want (the name "relocate" is unimportant), but
any changes in the relative locations of the files therein will
prevent yorick from starting correctly. You can, of course, softlink
to the yorick executable from wherever you like, or exec yorick from a
shell script outside its relocate/ directory. The relocate/ directory
is organized as follows:

relocate/  files required for building compiled packages, and:
  bin/     binary executables
  lib/     binary libraries for compiled packages
  include/ header files for compiled package APIs
  i0/      interpreted code required for yorick to start
  i/       optional interpreted code libraries
  i-start/ interpreted code that autoloads at startup
  g/       graphics style files, palettes, and templates
  doc/     documentation files

To build a tarball containing a yorick executable, type instead:

make relocatable

This creates a tarball yorick-V.N-RR.tgz containing the yorick code,
interpreted library, and documentation. Move it to the directory
where you wish to install yorick, then unpack it with:

gzip -dc yorick-V.N-RR.tgz | tar xvf -

The yorick executable will be yorick-V.N-RR/bin/yorick. Read
yorick-V.N-RR/README for more information.

To build yorick on a MS Windows machine, read win/README.

Yorick is a command line program; you need to run it in a terminal
window. You will want command line recall and editing. If your
terminal window does not support that, you can either run yorick under
emacs (see the emacs/ directory in the source), or you can get a
readline wrapper like rlwrap.

If you need some test programs to run, you can try the demos. Start
yorick and type:

include, "demo3.i"  

The demo3 runs a simulation of a chaotic pendulum (it will stop after
about a minute). Yorick functions generally have documentation which
you can read in the terminal using the help command:

help, demo3

The help message includes the path to the source file, which you can
open and read with any text editor, to find out exactly how demo3
works (or any other yorick interpreted command). There are five demo
programs (demo1 through demo5). You can also do a comprehensive test
of your yorick installation by typing:

include, "testfull.i"

Roadmap of yorick source

The top-level distribution directory contains this README, scripts for
configuring and building yorick, and a number of subdirectories. Some
subdirectories contain core parts of yorick; others are extras which
you might reasonably omit. Here's a quick roadmap:

play/     (portability layer)
  here are event loop, low level io, graphics primitives
  everything else is supposed to be strictly architecture-independent
    (however, other non-core packages may slightly violate this rule)
win/      (MS Windows specific files)
  here are the MS Visual C++ project files
  some Windows code is in subdirectories like play/win
  play-based 2D scientific visualization library
  yorick language interpreter (C source)
  LAPACK linear algebra functions (C source)
  non-matrix mathematical functions (C source)
  Swartztrauber Fast Fourier Transform (C source)
  library of interpreted functions
  interpreted code required at startup
  interpreted code run at startup, usually containing autoloads
  sample trivial compiled extension for yorick
  MPI-based yorick multiprocessing package
  compiled extension to do 2D cylindrical radiation transport
  compiled extension to do 3D radiation transport
  documentation: yorick user manual, quick reference cards
  GNU Emacs lisp code for running yorick and editing yorick source

  files for creating RedHat RPM, FreeBSD, and other distributions
  instructions for creating Debian .deb distribution

Other build options

You can take up to four steps to configure, build, test, and install
yorick. In order, the four separate commands are:

make config
make check
make install

Yorick requires an ANSI C compiler and libraries, some POSIX standard
functions (plus either poll or select, which are not covered by any
standard, but are present on all UNIX systems), and the basic X11
library (R4 might work, but anything R5 or better should certainly
work). However, these components may be misinstalled or installed in
places where the configuration process cannot find them. If so, you
can either fix your system or edit the files Make.cfg and
play/unix/config.h by hand to repair any errors or oversights of "make

The "make config" step creates the file Make.cfg (in this top-level
directory). By default, the compiler and loader flags are just "-O".
If you want fancier options, you can edit Make.cfg before you build;
just modify the Y_CFLAGS and/or Y_LDFLAGS variable. Optimization flags
like -g or -O are handled separately; use the COPT_DEFAULT variable
to set those.

Instead of editing Make.cfg by hand after the "make config" step, you
can also set a variety of environment variables to control the
configuration process. You can read the configuration scripts --
configure, play/unix/, play/x11/, and
yorick/ -- to find out precisely what they do. Here they
are, with sample non-default values:

CC='xlc -q64'      # C compiler name plus overall mode switch
CFLAGS=-g          # compile flags (-O is default)
LDFLAGS=-g         # load flags (optimization CFLAGS is default)
AR='ar -X 64'      # ar archive program
RANLIB='ranlib -X 64'  # ranlib archive indexer
MATHLIB=-lmcompat      # math library (-lm is default)

FPU_IGNORE=yes  # give up trying to catch floating point exceptions
NO_PLUGINS=yes  # build yorick with no plugin support
LD_STATIC=yes   # force hex and drat packages to be statically loaded
NO_PASSWD=yes   # hack for crippled OSes or crosscompilers (catamount)
NO_CUSERID=yes  # hack for crippled OSes or crosscompilers (catamount)
NO_PROCS=yes    # build yorick with no subprocess or poll/select support
                  (catamount) - this cripples yorick event handling
NO_POLL=yes     # forces use of select when poll present but broken
                  (Mac OS X uses this by default)

NO_XLIB=yes     # build yorick with no onscreen graphics
X11BASE=/weird/X11root         # try -I/weird/X11root/include, and
X11INC=/weird/X11root/include  # directory containing X11/Xlib.h
X11LIB=/weird/X11root/lib      # directory containing libX11.a or .so

Other make targets include:

clean      -- get rid of the mess left over from the build
   do this after successful install
distclean  -- clean plus all files generated by the config step
   config does distclean before it begins
siteclean  -- distclean plus resets to original settings
uninstall  -- gets rid of all installed files
   be sure to do uninstall before distclean if you want to
   get rid of the yorick you installed (otherwise you will
   need to make ysite again)

There are many more build targets and make macros. Read the comments
in Makefile and Makepkg for more information.

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