On Sat, Aug 27, 2022 at 03:15:56PM +, Waldek Hebisch wrote:
> On Sat, Aug 27, 2022 at 06:53:24PM +0800, Qian Yun wrote:
> > I tested some of the integrals, not all.
> >
> > It seems that for integrals contain only x (no a/b), failure is
I would like similar functionality
but doing more and covering more functions.
Basically to produce all data needed to convert
given set of expressions into differential
field generated by them and back (plus some
other info to allow more efficient queries
about structure of the field).
--
e for best,
but just when I hoped that things will go better we got
Covid...
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27; in integrator causes trouble
in other places. This is similar to use of 'rootSum', once
other parts are ready we can put the patches in.
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nd slightly
less informative. Note that OutputForm is OK, display problems
are in formatters.
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ometric.
>9. Hyperbolic functions.
>10. Inverse Hyperbolic functions.
>11. Special functions.
>12. Sam Blake input file.
>13. Waldek Hebisch input file.
>
Well, this classification makes some sense for Rubi, but really
is wrong one for other systems. Namely, what
s. Funnily, if I add next prime I get
the same formula, so it passes normal sanity check.
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(%root_sum (* %E (log (+ x (* (* 5 %E) a %E
(/ (+ (* (* (* 3125 (^ %E 5)) (^ a 4)) b) - 1) (* (* 3125 (^ a 4)) b)))
Type: InputForm
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ould be good (similar
to what you do for other problems).
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perations
with unsafe one viewed as exceptional and essentially
confined to a ghetto.
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ease give specific link(s) to these pages so I can look and see
> what is the issue?
Sorry, I did not write down specific link. IIRC it was one of integrals
on the list in my previous message.
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UC size of Sage result is due to Sage limitations that
are unlikely to change in near future. However, in such
cases size of result as seen via Sage interface in meaningless
compared to true size of FriCAS result.
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implict
algebraic quantities (constants).
BTW: looking earlier I noticed some discrepancies between pages,
summary claimed that result is big, specific page claimed timeout.
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ons based on form of integrand and may take
different code code path depending on setSimplifyDenomsFlag.
Cases where setSimplifyDenomsFlag(true) makes things slower
are borderline bugs: if integrator was smarter it would
probably take better code path.
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Waldek
D(log(x)*log(x + 1), x) = (1/x)*log(x+1) + (1/(x+1))*log(x)
(1/x)*log(x+1) should integrate to dilog. More generally,
we would like to do
(a/x)*log(x+1) + (b/(x+1))*log(x)
which has elementary integral only when a = b and otherwise
needs dilog.
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Waldek Hebisch
-
t do you think?
> >
> >Ralf
> >
>
> Both options are fine for me. I can start preparing the rest pieces
> (CI script) in my repo. And I'll reply to this thread again when
> I'm done with the scripts and ready to create the new repo.
For me both options are f
On Fri, Aug 12, 2022 at 06:24:11PM +0800, Qian Yun wrote:
> I believe the mentions of "autoload" can be safely removed from
> src/algebra/Makefile.in, src/interp/util.lisp, Makefile.in.
Yes, it is not needed now.
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You recei
e) but worse since _all_ times are longer.
So to get significant improvement of compile time
we need both to improve Spad compile time _and_
Lisp compile time. Somewhat related, Poplog has
also more direct compiler interface, so it gives
hope for non-Lisp compilation mode.
--
efficiently loading
needed data during main compile.
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On Tue, Jul 26, 2022 at 09:02:02AM +0200, Dima Pasechnik wrote:
> On Tue, Jul 26, 2022 at 1:42 AM Waldek Hebisch
> wrote:
> >
> > On Tue, Jul 26, 2022 at 12:54:33AM +0200, Dima Pasechnik wrote:
> > > On Mon, Jul 25, 2022 at 8:34 PM Waldek Hebisch
> > > wrote:
On Tue, Jul 26, 2022 at 12:54:33AM +0200, Dima Pasechnik wrote:
> On Mon, Jul 25, 2022 at 8:34 PM Waldek Hebisch
> wrote:
> >
> > On Sat, Jul 23, 2022 at 04:02:42PM +0200, Dima Pasechnik wrote:
> > > On Sat, 23 Jul 2022, 15:46 Waldek Hebisch,
> > > wrote
On Mon, Jul 25, 2022 at 04:21:09PM +, Waldek Hebisch wrote:
>
> ATM only one patch is needed to build using 2.6.13pre and FriCAS
> from distribution tarball:
>
> --- ../trunk/src/lisp/fricas-lisp.lisp 2022-07-23 20:46:47.697097794 +0200
> +++ ../dist/src/lisp/fricas-lisp
On Sat, Jul 23, 2022 at 04:02:42PM +0200, Dima Pasechnik wrote:
> On Sat, 23 Jul 2022, 15:46 Waldek Hebisch,
> wrote:
>
> > I must admit that my prefered information flow would be
> > as follows:
> > - issues in Github issue tracker. But if there is need
> >
On Sun, Jul 24, 2022 at 08:22:21PM +, Waldek Hebisch wrote:
> On Sun, Jul 24, 2022 at 02:27:15PM +0800, Qian Yun wrote:
> >
> >
> > On 7/24/22 10:41, Waldek Hebisch wrote:
> > >
> > >I have re-tried GCL 2.6.13_pre on Linux. I see similar error.
&
On Mon, Jul 25, 2022 at 06:58:54AM +0800, Qian Yun wrote:
>
>
> On 7/25/22 02:47, Waldek Hebisch wrote:
> >On Sun, Jul 24, 2022 at 09:29:24PM +0800, Qian Yun wrote:
> >>As you know, the majority time of building FriCAS is to compile
> >>over 1000 SPAD files to LS
On Sun, Jul 24, 2022 at 02:27:15PM +0800, Qian Yun wrote:
>
>
> On 7/24/22 10:41, Waldek Hebisch wrote:
> >
> >I have re-tried GCL 2.6.13_pre on Linux. I see similar error.
> >Running offending part by hand with
> >
> >)lisp (si::use-fast-links nil
1%
> faster.
>
> This is just a rough idea, still a long way to figure out all the
> details.
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On Sat, Jul 23, 2022 at 09:16:11PM +0800, Qian Yun wrote:
>
>
> On 7/23/22 20:46, Waldek Hebisch wrote:
> >>GCL-2.6.13_pre fails to build on Linux with git HEAD.
> >
> >I commited GCL patches should make porting to newere GCL-s
> >easier, but does not so
t declaration problem), some more of sort 'look
at this code, maybe you want to rewrite it'. If program
is tied to specific compiler version, then one can tune
warning options to disable unwanted ones. But that
is inpractical if code is supposed to compile with
wide range of compilers...
--
message that they no longer want to support
macos-10.15. They turned of support for a day when I made 3 commits,
maybe that is the reason.
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up to now I did not figure out
how to merge Github pull request using _only_ git commands.
Since I unable to use git commands ATM handling merging
pull requests is extremally inconvenient for me.
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more than what I already
know due to Murphy: there is failure somewhere.
Up to now I was unable to see build logs to get
more info. One answer to stackoverflow question
claimed that one has to authenticate as project
admin to see logs but I saw no docs how this is
supposed to work.
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stimate is that less than 1% of users reports
bugs. Some simply drop off and lose interest, some just
live with bugs...
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On Sat, Jun 11, 2022 at 05:29:38PM +, Waldek Hebisch wrote:
> On Sat, Jun 11, 2022 at 04:30:42PM +0200, Ralf Hemmecke wrote:
> > Hmmm, it seems that the unittest.spad is not really something that works
> > nicely if there are testLibraryError calls to be tested.
> >
&
ong with the
> nontrivial nullspace.
>
> Is there a computationally more efficient method to solve the system that
> can take advantage of the fact that column one of A is identically zero?
'solve' automatically takes advantage of zero columns, no need
to do anything special.
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On Sun, Jul 10, 2022 at 07:59:08PM +0100, Paul Onions wrote:
> On 10 Jul 2022, at 14:28, Waldek Hebisch
> wrote:
> >
> > ...
> >
> > However, 'showSummary' really expects a Spad type. In
> > my example type expression works because argu
On Sun, Jul 10, 2022 at 09:59:12AM +0100, Paul Onions wrote:
> Hi Waldek,
>
> On 22 Jun 2022, at 09:10, Waldek Hebisch
> wrote:
> >
> > Well, primary info is in domain vectors. For fully specified domain
> > one can view it using routines in 'showimp.boot
On Fri, Jul 08, 2022 at 12:29:31AM +, Waldek Hebisch wrote:
> On Thu, Jun 23, 2022 at 09:00:40PM -0700, 'Nasser M. Abbasi' via FriCAS -
> computer algebra system wrote:
> > Thanks for version 1.3.8.
> >
> > I've only did partial test (less than 50%)
+(-4)*a*b^2)*cos(d*x+c)^2+(4*b^3+8*a*b^2+12*a^
>
> 2*b+8*a^3+((-8)*b^2*sin(d*x+c)+(-56)*a*b)*(b*sin(d*x+c)+a)^(1/2)))/(12*d)
> ]
> But does not evaluate in 1.3.8
Actually, this is really not a regression. This integral works or
fails randomly both in 1.3.7 and 1.3.8. I w
e BLAS" which is probably base for translation to
Lisp). On BLAS type code I would expect sbcl to get 2-4 times
slower code that Fortran compiler. And since optimized BLAS
uses special machine instructions and newer machines introduced
more such instructions I expect that gap between op
they may be wrong for
some domains, so we need extra semantic info in
output form to make sure such transformations
are reliable.
You somewhat think that changing output form
is problematic. Well, output form is internal
to FriCAS so from point of view of compatibility
change to output form is
5.080s
sys 0m0.120s
So, in real time ECL was fastest, but it shows slightly bigger
CPU time than sbcl-2.2.6. At least for use with FriCAS ECL-16.1.2
seem to be few percent faster than newer versions.
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On Mon, Jul 04, 2022 at 08:36:23AM +0800, Qian Yun wrote:
>
>
> On 7/4/22 01:25, Waldek Hebisch wrote:
> >>>Some time ago it tunrned out
> >>>that this setting is incompatible with using new sbcl interpreter.
> >>
> >>More info?
> >
>
ources assume that quite early there is definition
of macro called 'fricas-foreign-call'. When code tries
to use undefined macro Lisp treats it as a function which
leads to weird error. 'writeablep' is first thing defined
using this macro...
You should be able to go far using
On Sun, Jul 03, 2022 at 09:48:04PM +0800, Qian Yun wrote:
>
>
> On 7/3/22 20:42, Waldek Hebisch wrote:
> >
> >What we use is called by sbcl folks "old interpreter". There
> >is also new interpreter which is supposed to be much faster.
>
> Yes,
on time is 8s.
> So with parallel complication we can get total time from 20s to 10s.)
>
> I think the format of *.daase and *.text can be improved. Some of the
> KAF optimization doesn't make sense anymore. Small changes in code
> should not cause huge changes in them.
I am n
scription is not clear but it seems that Gaby
decided that bunch of Spad types will map to C types (that
is user gives Spad types and interface uses corresponding
C types for call). AFAICS this has serious limitations
and for FriCAS I would like something better.
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W
W, I get this for example when
I do:
copy repository to different place (via 'cp -r')
pull something from remote repository
do 'git diff'
> >warning: CRLF will be replaced by LF in contrib/macos/appIcon.icns
--
Waldek Hebisch
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You rece
I have several times got message:
warning: CRLF will be replaced by LF in contrib/macos/appIcon.icns
AFAICS appIcon.icns is binary file, so should be an exception to
line ending rules.
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Waldek Hebisch
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On Fri, Jul 01, 2022 at 08:30:46AM +0800, Qian Yun wrote:
>
>
> On 7/1/22 04:32, Waldek Hebisch wrote:
> >
> >I personally see no need for such option, but it is hard to
> >know what other people want.
>
> So no objection here. I think it is a good thing to pr
On Fri, Jul 01, 2022 at 12:20:35AM +0200, Ralf Hemmecke wrote:
> On 30.06.22 23:29, Waldek Hebisch wrote:
> >I mentioned that some time ago. I would like to add indication of
> >scope to OutputForm. Main reason is SparseUnivariatePolynomial. In
> >SparseUnivariateP
oing transformation above in
precondition (which IIUC is used by all our formatters).
Comments? Aternative ideas?
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fail in Poplog).
Also, without FFI we would have no gmp for sbcl. With ECL
no C compiler means no compiler at all.
Let me add that I consider making FFI mandatory and using
foreign code to speed up algebra.
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On Wed, Jun 29, 2022 at 11:20:33PM +0800, oldk1331 wrote:
> On 6/29/22 23:05, Waldek Hebisch wrote:
> > On Wed, Jun 29, 2022 at 10:00:21PM +0800, Qian Yun wrote:
> >> I don't know if these 2 patches reached Waldek's mailbox or otherwise.
> >>
> >> (B
t; solution spread out to many places creating
hard to maintain mess.
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MO spending a little extra effort is
worth it.
I am against longer log messages. There is really no upper
bound on amount of extra info or explanations that somebody
may need/want. And the purpose of log is to allow filtering
which works well with terse messages.
--
On Tue, Jun 28, 2022 at 08:51:31AM +0800, Qian Yun wrote:
>
>
> On 6/28/22 06:42, Waldek Hebisch wrote:
> >>OK, I wonder if you know that there is no libX11 in msys2/mingw64.
> >>
> >>Isn't the point of sman to support hyperdoc and graphics? (and clef)
looks mostly OK. The little possible problem is choosing
good test in configure. We probably need some testing to find
out if the test for header is good one.
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On Mon, Jun 27, 2022 at 08:45:44AM +0800, Qian Yun wrote:
>
>
> On 6/27/22 04:40, Waldek Hebisch wrote:
> >On Sun, Jun 19, 2022 at 09:54:29PM +0800, Qian Yun wrote:
> >>
> >>
> >>On 6/18/22 11:35, Qian Yun wrote:
> >>>
> >>>>
to decide which one
is preferable (say real in area of interest).
The integral above contains two logarithmic terms, depending
on sign of 'a^2 - b^2' and 'c^2 - d^2' respectivly 'atan'
form is real. Since there are two logarithmic terms this
leads to 4 possible resul
On Mon, Jun 27, 2022 at 12:20:07AM +0800, Qian Yun wrote:
>
>
> On 6/27/22 00:06, Waldek Hebisch wrote:
> >
> >There was a lot of "strange" code in the codebase. I tried to
> >remove things that were obviously wrong, but there were confusing
> >ca
t works, then whole FriCAS should
be able to run in similar way (that is msys2 sman + mingw
FRICASsys). If not, then we need to eliminate use of pty-s
first.
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gt; But I am satisfied with current win32 native "FriCASsys.exe".
>
> SBCL on cygwin will probably meet same problem when it
> tries to load cygwin dll.
You could ask sbcl folks. Unless sbcl was ported to Cygwin
it is unlikely to work with it...
--
Wal
On Mon, Jun 27, 2022 at 12:13:58AM +0800, Qian Yun wrote:
>
>
> On 6/26/22 22:00, Waldek Hebisch wrote:
> >On Tue, Jun 21, 2022 at 10:15:27PM +0800, Qian Yun wrote:
> >>Can we try to fix this bug with 'sockaddr_un'?
> >
> >I am not sure what you mean
On Fri, Jun 24, 2022 at 05:57:54PM +0800, Qian Yun wrote:
>
>
> On 6/18/22 09:23, Waldek Hebisch wrote:
> >Coming back to respawning: I do not know if it is really
> >necessary. It may be just defensive programming
> >(sensible because modern OS-es work essentialy i
s by sockets. Of course, in such scenario
Winsock code would be quite important.
Separate issue is Cygwin, I am not sure if it used
Winsock sockets or Cygwin emulation.
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On Wed, Jun 22, 2022 at 08:32:06PM +0100, Paul Onions wrote:
> Hi Waldek,
>
> On 22 Jun 2022, at 09:10, Waldek Hebisch
> wrote:
> >
> > On Tue, Jun 21, 2022 at 08:32:03PM +0100, Paul Onions wrote:
> >>
> >> Also, I’d like to get the Origin
lifyDenomsFlag(true) FriCAS puts roots in numerator.
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1.3.7
and there is substantial variation from run to run, so for the
first six it is possible that 1.3.8 did not do them within limit.
Or some timing oddity, expecially for the last one.
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On Tue, Jun 21, 2022 at 11:38:19AM +0200, Ralf Hemmecke wrote:
> Oh... see pull request:
>
> https://github.com/fricas/fricas/pull/97
And of course, it can go in now.
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feel good about "rewriting history" in such way...
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to
On Sat, Jun 18, 2022 at 04:12:45PM +, Waldek Hebisch wrote:
>
> Please consider now trunk frozen for release.
FriCAS 1.3.8 is now released, development is back to normal.
I hope that for next release developement cycle will be
shorter.
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Waldek H
sbcl).
- 'iterate' is now implemented for Spad.
Bug fixes, in particular:
- Fixes for handling of kernels.
- Fixes for 'elt' when handling segments with increments.
- Fixed handling of predicates in rewrite rules.
- Fixed build with clisp.
--
#x27; mostly give higher level info based
on databases. But there is a lot of filtering, reformatting,
and some manipulation with conditions.
Certanly I would like to expose useful information to
allow better reuse. And ultimately convert all this
code to Spad.
--
Wald
On Wed, Jun 22, 2022 at 08:44:00AM +0800, Qian Yun wrote:
>
>
> On 6/22/22 08:18, Waldek Hebisch wrote:
> >On Wed, Jun 22, 2022 at 07:46:03AM +0800, Qian Yun wrote:
> >>Hi Waldek,
> >>
> >>GitHub allows me to modify the release page to add new binarie
d not consider this to be critical.
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ut
and it seems to work fine. What problem do you see?
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On Tue, Jun 21, 2022 at 08:40:15PM +0200, Ralf Hemmecke wrote:
> Well, it's a simple patch that doesn't affect anything else.
I was in the middle of creating release tarballs, any addition
at this point would mean restarting.
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so, I have no way to test on Mac and almost no way to
test on Windows.
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ed.
>
> Can this still go into the new release?
Sorry, too late.
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On Tue, Jun 21, 2022 at 11:55:30AM +0800, Qian Yun wrote:
> I have updated my PR with your 'make-dir' code.
>
> And I have tested with clisp-2.49.92 and clisp git version.
> Build with X11 and all tests passes.
Please commit.
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eason that we need to modify 'makedir',
old version worked fine up to clisp-2.49).
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To u
rger than pid_max.
> I wonder if you'd like to share your distro's
> information and kernel version.
As I wrote many times: Debian 8 (with several private additions).
uname -a
Linux kompter 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-2 (2016-04-08) x86_64
GNU/Linux
--
o check: to build HyperDoc pages from git sources
we need access to X server, either actual one or 'xvfb-run'.
Release tarball contains pregenerated pages, so this is not
a problem when building from tarball.
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On Sun, Jun 19, 2022 at 01:25:24PM +0800, Qian Yun wrote:
>
>
> On 6/18/22 19:44, Waldek Hebisch wrote:
> >On Mon, Jun 13, 2022 at 11:03:29PM +0800, Qian Yun wrote:
> >
> >There should be way to write the code so that it works
> >with -D_FORTIFY_SOURCE=2 and
o that people who
build from source tarball should get the same thing as
people who fetch binaries.
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x)
And yes, addition should be commutative, but type assignment
works from left to right, so is noncommutative...
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Please consider now trunk frozen for release.
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URCE=1" can prevent
> this problem.
>
> However, I still think using "0-9a-z" to encode socket
> address is a better solution.
There should be way to write the code so that it works
with -D_FORTIFY_SOURCE=2 and large PID-s. Unfortunately
on systems that I use I can
ng is to ensure that CFLAGS used
during configure are also used during build. Another
could be trying to blend user-provided CFLAGS with
parts that we need. Trying to simply override
CFLAGS in principle can fail, so adding "always
needed" flags to CC is probably simplest way.
--
th '\over' it make sense
> to make choice in TexFormat between '\frac' and '\over' configurable.
> It even makes sense to make '\frac' a default (because plain TeX
> gets much less use than in the past).
I have now commited such change: TexFormat gene
er sbcl 'make-array' is faster, so using it is no so bad...
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On Wed, Jun 15, 2022 at 09:05:48AM +0800, Qian Yun wrote:
>
> On 6/15/22 00:28, Waldek Hebisch wrote:
> >
> >If you take seriously possibility that viewman may die, then
> >natural thing is to automatically restart it. And this is
> >what 'sman' is doing
for "indices"
> that are segments.
OK
> Other ideas?
Just for the record: we have 'doc' subdirectory where various
plain text documentation should go.
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Waldek Hebisch
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just spawn it once when launch fricas,
> user can spawn it manually when needed.
If you take seriously possibility that viewman may die, then
natural thing is to automatically restart it. And this is
what 'sman' is doing now.
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Waldek Hebisch
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Yo
cation protocol between
various parts of FriCAS. Precondition for protocol change
is getting right structure on Boot/Lisp side, in particular
isolating all I/O. We are close to this, but still not
there...
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Waldek Hebisch
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oks OK, please commit
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Waldek Hebisch
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ove is the same as the integrand.
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Waldek Hebisch
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o work (say pass testsuite). Anyway,
before I have reasonable confidence that we get
something working I hesitant to apply patches that
break older GCL versions (and due to incompatibilites
some patches break older versions).
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Waldek Hebisch
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t; empty?(st2)
Error signalled from user code in function f_elt:
invalid access
This may look perverse. However, it allows lazy evaluation,
and has nice property that if computation finishes without
error, then all values used in computation were in bound.
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Waldek H
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