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1996-04-10
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1.23 RISC OS v 1.0
-- please read the CHANGELOG file to find out what is changed in the
RLaB original distribution (note that a few plplot functions have
been renamed)
-- frexp included natively
-- new, officially allocated filetype &121. All 'R' files changed accordingly
-- Throwback is supported i.e. a syntax error will open your editor of
choice positioning the cursor on the offending line.
Enable it with -t command line option.
You need the DDEutils and frontend modules (they come with any Acorn
C compiler) to use it, or RLaB will complain at a SWI not known.
-- New !boot and !run, so RLaB will start at a double click of an 'R'
file.
-- draw output background colour selectable (_plscolbg in plplot 'R' file)
-- Bugs fixed: all the known crash causes.
- Crash on wrong rlab_init filetype
- Crash possible on plplot filename > 10 chars. This means plplot
will trim down file names to 10 chars.
- Crash executing quit after syntax error.
1.23 beta 4/23:
-- RLaB updated to v 1.23
-- command line history and editing
1.19b beta 3: *much* functionality included!
A lot of popular requests for these 2 additions:
-- Draw files supported! Just hit return when asked for the output device of
your choice. * NOTE *: most examples do not close the output stream, use plend()
or plclose() to do so or else the last plotted file will remain open.
Many thanks to Gareth McCaughan (gjm11@pmms.cam.ac.uk) for his mkdrawf
utility that allowed me to debug draw files in a human-intelligible way.
mkdrawf files are available as output option 2 but are not supported.
(This also means that the plplot library now supports Draw files and that I'm going
to release it as well.)
-- Help files can now be split on more than 1 directory (workaround for
77 file limit)
-- New RISC OS specific 'gnuplot' 'R' file should anyone need it.
-Some bugs fixed:
1 - Quite nasty - having the 'gnuplot' R file in the lib directory would
clash with plplot. Now 'gnuplot' has been removed from the library
'rlib' directory.
It can be found in the 'examples' dir. If you still want to use GNUPlot,
GNUPlot 3.4 is now supported through the gnupipe utility. Remove
'plplot' from 'rlib' and copy 'gnuplot' in it instead.
Most examples behave as they should, now!
2 - Now differentiates from 'not existing' and 'wrong filetype' when an error
occurs while loading.
1.19b beta 2:
-- RLaB updated to current version, 1.19b. See WHATS/NEW for RLaB specific
info on the differences between 1.18 and 1.19
-- New RLaB / RLaB filetype icons :-)
-- filetypes:
RLaB now supports filetype checking, i.e. it will check the filetype
of any 'r' file you try to load/rfile/require and generally try to interpret.
Unless the system variable RLAB_FILETYPE is set to something appropriate
(RLaB seems to be a reasonable filetype name), RLaB will default its type
to text and will refuse to load any other types. Unfortunately, Acorn is
running short of types, so I cannot have one allocated officially.
The PD unofficially allocated type is RLaB = 0x110
Check the !boot and !run files to see how it works.
-- gnuplot support:
Thanks to some code provided by Alun Jones I have included the 'gnupipe'
utility. It simply pipes to GNUPlot anything you give it.
For example: gnupipe <list of commands>.
-- fixed docs:
The supplied primer pages are converted by DVIView and need some TeX fonts
to be installed. A !Othrfnt directory is now supplied that should contain
all the fonts needed
-- new rfiles:
loaddir:
old loaddir as supplied won't work under RISC OS. A RISC OS specific
version supersedes the old one (moved now to loaddir_ux)
(courtesy Ian McLoughlin)
gnupl_pipe:
pipes a command file to gnuplot (that must be already running)
See under gnuplot support
system_ext:
forks a task obey basically working nicely around the 'system' memory
problem. It is just an example that gives you an idea, in the
'examples' directory
1.18c beta 1:
first official release
Thanks to the new excellent Acorn C compiler v5 it can now extend its
own wimpslot so it doesn't really matter if you allocate it a smaller than
necessary chunk. Start it in a 2 Mb slot, and it will grab/release what it
needs.
Short:
**** HISTORY:
1.23 v1.00
throwback
native frexp
'crash on wrong type rlab_init' bug fixed
'crash on plplot filename length > 10' bug fixed
'crash on quit after syntax error' bug fixed
new filetype allocated: &121
user selectable draw file background colour
1.23 beta 4
RLaB updated to 1.23
readline history and editing
1.19b beta 3
Drawfiles native
Split help dir
GNUPlot real support
1.19b beta 2
RLaB updated to 1.19b
1.18c beta 2 - never publicly released
Filetype check on loads/rfile/require etc.
It defaults to text unless otherwise specified.
New startup taskobey (Now displays name in task list)
rfiles: loaddir, gnupl_pipe
1.18c beta 1
Switched to AnsiLib and C v5
Improvements:
1-Dynamic allocations of WimpSlot (thanks to Acorn C v5)
2-Now loads files with '/' in the name string (couldn't with Unixlib)
3-Fixed Infinity and Nan representation
1.18c alpha - never publicly released
Never released, first fully functional version. Compiled with Unixlib and Acorn C v4