On 2024-04-20 02:49, Mikael Djurfeldt wrote:
Have you looked at Guile's OOP system GOOPS?
Thanks, Mikael.
I have implemented a number of object systems, including CLOS style
systems such as GOOPS.
The mismatch here is in the overhead of the multimethod dispatch.
I would like something
On 2024-04-17 09:34, Maxime Devos wrote:
> LICENSE says 'Copyright (c) 2016', but some files date from 2024. It's a bit
> inconsistent ... Do you mean that changes >2016 are public domain, or not
> covered by BSD license, or the inconsistency is an oversight?
Ah. Thanks.
I used Larceny
Basile,
Thank you much for the thoughtful reply.
On 4/16/24 23:14, ken.dic...@whidbey.com wrote:
..
I am looking at porting a toy Smalltalk-in-Scheme implementation to
Guile.
On 2024-04-17 00:10, Basile Starynkevitch wrote:
..
I think it depends upon your goals; I assume your x86-64
Greetings,
I am looking at porting a toy Smalltalk-in-Scheme implementation to
Guile.
[Note https://github.com/KenDickey/Crosstalk ].
The idea is for simplicity first, then making into a module and
potentially evolving Smalltalk into a supported, compiled ",language" in
the Guile way.
Lup,
Another great article!
One suggestion.
In section 10 "Swap the SATP Register"
You mention:
"Huh? Our Applications can meddle with the I/O Memory?
Nope they can’t, because the “U” User Permission is denied. Therefore
we’re all safe and well protected!
"
I may have missed the
On 2023-09-18 15:10, Alan C. Assis wrote:
..
Did you enable CONFIG_LIBM in the menuconfig?
Normally it is enough if your arch correctly configured.
Yep. Enabled.
I added
LDLIBS += $(APPDIR)/../nuttx/libs/libm/libm.a
to the Makefile and the Scheme interpreter works -- some console
On 2023-09-18 13:08, Alan C. Assis wrote:
The thumb rule when starting with NuttX is using an existent
configuration as base.
OK.
Unfortunately the menuconfig is not prepared (better say it cannot) to
fix all dependencies for an driver or application (because of the
flexibility to use
On 2023-09-18 12:05, Alan C. Assis wrote:
Hi Ken,
Are you enabling the same symbols as in the sim bas or bastest ?
I just used menuconfig interpreters bas selection
Raspian:RasPi4:~/RISCV/NuttX/nuttx >>> grep CONFIG_INTERPRETER_BAS
.config
CONFIG_INTERPRETER_BAS_VERSION="2.4"
Ah. I tried using `make menuconfig` to build the Basic interpreter.
Raspian:RasPi4:~/RISCV/NuttX/apps >>> riscv64-linux-gnu-gcc-nm -u
bin/bas
U atan
U ceil
U cos
U exp
U floor
U fmod
As I am building on aarch64/arm64 Linux, someone might have a better
time with x86.
I made a git repo:
https://github.com/KenDickey/nuttx-umb-scheme
This goes into apps/interpreters.
The code has been reliably ported a lot and should run on most targets
with command line console.
On 2023-09-17 12:47, Petro Karashchenko wrote:
Hi,
What kind of RISC-V toolchain are you using?
Raspian:RasPi4:~/RISCV/NuttX/apps >>> apt search riscv64-unknown
Sorting... Done
Full Text Search... Done
binutils-riscv64-unknown-elf/oldstable,now 2.32.2020.04+dfsg-2 arm64
[installed]
GNU
Please forgive the noob question.
I am porting a Scheme interpreter to riscv64 NuttX as
apps/interpreters/umb-scheme/ but the binary fails to link in libm
functions.
I could use some help in this.
Specifically, building on Raspberry Pi 4 Raspian 64 bit:
You might gain more info from the Armbian Linux distro which works fine
on LePotato
https://www.armbian.com/lepotato/
FYI,
-KenD
On 2022-07-06 13:45, j...@entropicblur.com wrote:
..
I had an unused Le Potato SBC lying around, so I took a crack at
installing OpenBSD/arm64 on it.
Greetings,
I am attempting to build NetSurf with TARGET=framebuffer on Alpine Linux
(musl,busybox,aarch64) but am having a bit of trouble and have not used
C in a couple of decades, so am not fast.
I was wondered if you could point me in the right direction.
Thanks a bunch!
-KenD
Sorry again, "MPIDR"
Gotta learn to type!
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1733720
Title:
raspi2 with multiple CPU's #1
Status in QEMU:
Invalid
Bug description:
Greetings,
I
NOT A BUG
Reviewed the code and found the problem.
asm volatile("mrc p15, 0, %[id], c0, c0, 0 @ read MIDR\n\t" ...
I miscopied the code above; MIDR should have been MIPDR ( 5 )
I now get:
Linux:armv7l: ~/Downloads/RaspiTest/BareBones >>> ./qemu.sh
0H312ello, kernel World!
Sorry about the
Public bug reported:
Greetings,
I am running a small program for raspi2 (from
http://wiki.osdev.org/ARM_RaspberryPi_Tutorial_C).
This code writes "Hello World", but the output ir repeated 4 times.
My thought was that this is emulating a 4 cpu core system.
However, when I check the MPIDR
.
Re: libtool 2.2.8 build on OpenBSD 4.7 fails test suite
From: Ralf Wildenhues ralf.wildenh...@gmx.de (Institute for Numerical
Simulation, University of Bonn)
To: Ken Dickey ken.dic...@whidbey.com
CC: bug-libt...@gnu.org
Date: Today 11:16:55 am
Hello Ken,
thanks for the report
On Friday 18 June 2010 07:59:42 am Petter Reinholdtsen wrote:
My guess would be that the variable supposed to point to libtool is
empty.
I tried both the installed version of libtool [1.5.26] and the newer version
[2.2.8] but both seem to indicate the (same) lack of parametrization for
$ gcc -v
Reading specs from /usr/lib/gcc-lib/i386-unknown-openbsd4.7/3.3.5/specs
Configured with:
Thread model: single
gcc version 3.3.5 (propolice)
I'll try the latest...
-KenD
___
Gnash-dev mailing list
Gnash-dev@gnu.org
Getting closer.
Any hints on the --tag=CC problem?
Thanks again for putting up with a noob,
-KenD
===
$ env
..
AUTOCONF_VERSION=2.62
AUTOMAKE_VERSION=1.9
..
$ ### prefs from 0.8.3 ports config.log ###
$ ./configure
Greetings,
I was disappointed to download the latest development image and find the old
Complex cruft hanging around.
Is there a compelling application that this enables?
I would really prefer that the Complex class be removed from the 1.0
candidate.
Thanks for listening,
-KenD
Michael van der Gulik mike...@gmail.com
...
Can we handle white being F2 F3 F4 rather than FF FF FF? This is like this
because of some reason to do with printer gamuts.
It should already be thus (tell me if I made a mistake).
If you look closely, in ColorinitializeNames we find:
self
Greetings,
I don't know if anyone is interested, but PharoInbox now contains a change
set, Graphics-KenDickey.131, which adds Color names based on NBS-ISCC Color
Centroids as described in:
http://people.csail.mit.edu/jaffer/Color/Dictionaries
After the change set has been filed in, one
Bill,
I have already said that I think IEEE floats tend to give the wrong answer
fast. Better solutions are hard to come by, however, as they definately depend
on the problem domain.
E.g. Apple's old plot program used interval arithmetic and did a great job
with functions like x * sin(1/x)
From: Schwab,Wilhelm K bsch...@anest.ufl.edu
...
On #cosH vs. #cosh, etc.,I do not like what you have done, but it's hardly
cause to start a war. I would be more inclined to agree with your no-typo
argument if you spelled out hyperbolic. We write cos and cosh; I see no
advantage to typing
I have updated PharoInbox with a newer slice:
SLICE-basic-Complex-KenDickey.3
Float hyperbolic trig methods no longer return Complex answers.
Renamed: #angle - #argument, #magnitude -# modulus.
Added more unit tests.
Thanks again for suggestions,
-KenD
From: Schwab,Wilhelm K bsch...@anest.ufl.edu
...
I have not been over all of it, but I have found that RealarcCosH and
#arcTanH can answer a Complex. I would rather not have to say it, but I do
not get the sense that you have taken our concerns seriously. We want the
errors from Float when
On 2009 January 24 03:09:57 pm Pereresus ne Vlezaet Buggy wrote:
Add set skip on lo. Searching for the right place of this string will
be your homework.
Thanks much. My working pf.conf now contains:
vvv=pf.conf===vvv
## MACROS
tcp_services = { ssh, smtp, smtps, domain, www,
Greetings,
Sorry for the newbie question, but my googling has not found the answer.
I have a laptop and have set pf.conf to the following [which runs fine].
However, if I try to tighten things up a bit by commenting out the pass out
all line and uncommenting the following two lines, KDE loses.
FYI, Data Points:
[1] ( 2)
[2] ( 3+2i)
[3] ()
[4] ( 'foo)[only tried if [2] - #t]
[1] [2] [3] [4]
Bigloo Err Err Err
Chez#t Err Err
Chicken #t Err #t
Elk #t Err Err
Gambit #t
On Thursday 30 October 2008 12:40:12 Marc Feeley wrote:
Can you add the case ( 1 2 3) ?
Sure. It it the boring column [3] which we all like to see.
[1] ()
[2] ( 2)
[3] ( 1 2 3)
[4] ( 1/3 2 5.1) ;;NOTE ALTERED ORDER
[1] [2] [3] [4]
Err Err #t Err Bigloo
Err #t
On Saturday 25 October 2008 17:38:42 Jon Wilson wrote:
I really hate to burst your bubble
You are right. My ol' brain can't do the math anymore.
I apologize for burning everyone's time.
-KenD
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r6rs-discuss mailing list
On Thursday 23 October 2008 18:32:13 you wrote:
It seems to me that if you accept (and) = #t then you should accept ()
and ( x) = #t.
My old eyes see:
(length '(1)) = 1
(length '()) = 0
(length) = -1
Things can be defined this way, but is it most useful?
When I look at srfi-32 code
On Friday 24 October 2008 11:07:25 David Van Horn wrote:
Ken Dickey wrote:
I have not yet found a sorted? predicate used in an induction
loop.
There is an implicit use here (adapted from HtDP), by appealing to fact
that (sorted? null) is #t.
(define (sort alon)
(cond
[(null
On Friday 24 October 2008 12:34:21 John Cowan wrote:
Ken Dickey scripsit:
The naive reading (for a non-English speaker) would be that +2i is
somehow less real than +inf.0 . 8^)
That's just what it is: less real -- in fact, not real at all. Non-real
numbers aren't magnitudes, and does
On Friday 24 October 2008 19:33:56 Jon Wilson wrote:
Some actual attention to the mathematics is very
much warranted here. But, this thread really doesn't belong on
r6rs-discuss...
Regards,
Jon
OK. I had some fun. I'll go away now.
[But is this really more bogus than a vacuous result
DISCLAIMER: This missive is devoid of semantic content.
On Thursday 23 October 2008 00:37:14 Marcin 'Qrczak' Kowalczyk wrote:
2008/10/23 Elf [EMAIL PROTECTED]:
the definition of monotonic increase and
decrease relies on pairwise comparison; a sequence with one element is
neither increasing
On Thursday 23 October 2008 15:42:59 Ray Dillinger wrote:
Comparison procedures returning #f (or throwing exceptions) for
single and zero-arity cases would cause errors in code I've written
that sorts directories of files into order based on their timestamps.
Thank you. I do appreciate
On Wednesday 22 October 2008 06:08:02 Jon Wilson wrote:
In this case, we clearly have a matter on which different people's
intuition gives different results.
I would say that in this case there are multiple formalisms to choose from.
I don't believe the choice is obvious.
I don't believe
On Tuesday 21 October 2008 05:03:07 Ken Dickey wrote:
1 * x = 1
Apologies. That should certainly be
1 * x = x
RWIM [Read What I Mean]
-KenD
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http://lists.r6rs.org/cgi-bin/mailman/listinfo
On Tuesday 21 October 2008 07:42:48 Abdulaziz Ghuloum wrote:
On Oct 21, 2008, at 8:03 AM, Ken Dickey wrote:
Doesn't it make more sense to require existence for comparison?
Existence of one ordered pair does not matter much. You need
to either prove the existence of a counter example
On Tuesday 21 October 2008 08:32:12 Abdulaziz Ghuloum wrote:
On Oct 21, 2008, at 11:04 AM, Ken Dickey wrote:
No. Actually, I'd like a holds-for-all which returns #f as the
base case.
You can push it down, but you can't escape making these
exceptions.
The law of the excluded third has
On Tuesday 21 October 2008 12:53:32 Thomas Lord wrote:
Ken Dickey wrote:
Comparison is taught in kindergarden. Comparison is fundamental.
And in algebra. Things I didn't see taught in high school
were definitions for relation, transitive relation, reflexive
relation, symmetric relation
On Tuesday 21 October 2008 12:53:32 Thomas Lord wrote:
Ken Dickey wrote:
Can't we just use comparison predicates to compare quantities?
A set of binary predicates makes sense to me.
The way the word is usually used, the consequent of the conditional
should return #t. (You're defining
On Tuesday 21 October 2008 14:01:16 Egil Kvaleberg wrote:
Ken Dickey wrote:
I know (=) = #t looks normal _to you_. But I believe that you are a
specialist and I think that you are trying to inject a particular logic
into a basic literacy kind of usage.
Sorry to disturb an otherwise
On Tuesday 21 October 2008 14:57:19 you wrote:
should read:
Ken's definition = a singleton or empty list is _not_ ordered.
And you should be saying monotonic or sorted as well.
Precisely. Something that cannot be compared with cannot be ordered or sorted
so cannot be monotonic
On Sunday 19 October 2008 12:30:27 Thomas Lord wrote:
For the numeric comparison functions we have a clear
account of what the code is supposed to model, e.g.,
monotonic sequences of numbers.
Ah. I can see where you can use lists of numbers to model sequences.
I have always used numeric
On Sunday 19 October 2008 15:16:47 Thomas Lord wrote:
Why do you need the extra baggage of sequences of length greater than or
equal to two?
The difference is in the term sequence which is not mentioned in (e.g.) R6RS
numeric discussions.
I have done plenty of sorting, but have never used
On Sunday 19 October 2008 18:08:19 Thomas Lord wrote:
On the one hand, you don't want to allow 0 or 1 argument because
you see as a binary relation and those cases don't make sense
unless we're treating as sequence predicate. You want the error
checking to rule out 0 or 1 arguments to avoid
On Saturday 18 October 2008 18:56:01 John Cowan wrote:
Derick Eddington scripsit:
Why does R6RS specify that predicates like =, , =, char?, fx=?, etc.
accept a minimum of two arguments instead of accepting zero or more?
What would be the obvious value of ( 2) or (=)? I have no idea whether
larceny
Larceny v0.963 Fluoridation (Jul 29 2008 17:41:31, precise:Linux:unified)
larceny.heap, built on Tue Jul 29 17:43:55 EDT 2008
(define p (make-parameter 3))
Error: Wrong number of arguments to procedure #PROCEDURE make-parameter,
which expected #!unspecified but got 1
Entering
Greetings,
I am trying to use the 'process proc in lib/Standard/unix.scm.
Can someone help me out?
Thanks much,
-KenD
===
larceny
Larceny v0.961 Fluoridation (Mar 16 2008 14:59:46, precise:Linux:unified)
larceny.heap, built on Sun Mar 16 15:01:38 PDT 2008
Greetings,
I am attempting to write portable R6RS code which makes use of implementation
specific features wrapped in a library.
My approach is to have a larceny-specific.sls, ikarus-specific.sls,
r6rs-default.sls each separately linked [copied in Windoz] to a file with the
common name
[Sorry, I m not able to log onto the libtool site at present.]
Let me try again.
I would like to dynamically load C libraries and use them. I am attempting to
use libltdl for this purpose as I prefer a cross/multi-platform solution.
I am attempting to follow How to use libltdl in your
Greetings,
I have updates a morphic based FreeCell card game I did a few years ago to
3.8. I would like to put in into SqueakMap (or wherever) but the changeset
file-in requires a directory of GIFs (the card images) to be in the working
directory for import into the image.
What is the best
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