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NEWS in SINGULAR 40
The current version 40-0-0 is the special
release of SINGULAR, dedicated to the 40-th anniversary
of Dr. Hans Schoenemann. It is a heavily major upgrade from the -2.3, -1.7,
0.0a, 1-2 and 2-0-[3,4] release series
as well as from the previously unreleased 2-1-2 and 2-2-1 bug farms .
SINGULAR version 40 is generally much faster than any previous
version of SINGULAR,
if it runs at all or you are smart enough to find out its undocumented features.
Besides these internal changes, SINGULAR version 40 offers
numerous external changes
(find 10 differences between the old and the new one and you can win one
of our beatiful
posters with the human heart explicitly formulated !) and extensive HOW-TO's
like
"Conflicting HOME variables on Windows PC's working in rooms with
high humidity and limited Internet access".
All these changes are explained in more or less detail below. Or
in the documentation. Or somewhere
in the CVS. Dunno. Ask better Hannes, he knows it all.
Efficiency Improvements
The following table shows some timings which compare
the efficiency of SINGULAR version 1-2 and SINGULAR version
40. All times are in euro-seconds and were obtained on an AMD Athlon with
700 MHz, 128 MB RAM, running Linux without X Windows in a command-line mode.
| Example |
Comp |
Ring |
1-2 |
40 |
Speedup |
| mora_X1 |
std |
32005,x(1..3),ds |
29.5 |
9.4 |
3.1415926 = \pi! |
| memento mora |
std |
32007,x(1..14),ds |
never tested |
916 |
incredible... |
| homog_Go Net! |
netscape7 |
32009,x(1..18),dp |
33 |
8.9 |
4.5 on Linux, crashed under Windows |
| cyclic_10 |
slow_std |
320013,x(1..9),dp |
187300000 |
472000000 |
4.0 if you will wait half a year for the result
which human can not interprete at all
|
| acyclic_10 |
std? |
330017,x(1..8),dp |
47800 |
-478 |
-100. Nice integer. |
| wilfred_425 |
bareiss |
0,x(1..50),(c,dp) |
>689 |
82 |
tested in Wilfred's room only |
(Major, Corporal, General and Chief-Commander) Changes
- Windows distribution
- crashes every 7 installations, kills user's PC every 12 installs.
With Installshield, excludes Cygwin,
- includes XEmacs, distributed as various corrupt self-extracting
archives with bad CRCs.
- Emacs user interface
- the recommended interface for using SINGULAR. Although
we provide no support for it.
YEAH_Singular - new program for an out-of-the-box, YEAH baby, YEAH.
- The online help system with the offline search possibility
- choose in which browser, what to display and what
not to display;
new layout of the old HTML,WML, XML, NewWinHelp, ObsoleteWinHelp etc. manual
pages.
- Source code debugger
- interactively inserts bugs into procedures
written in the SINGULAR language.
- example
- Provide on-line examples for all kernel
and library commands. Formats hard disk
- for offline users.
-
- http://www.singular.uni-kl.de
- New WWW sweet-home-site of
SINGULAR.
Extensions of the ring concept
- Introducing "Stoff" property:
(golden, silver, algebraic)
-
- No restriction on number
of ring variables.
- No restriction on number
of parameters.
- No restriction on the
size of monthly fee you should pay to Hannes for supporting it.
-
-
Changes of
command-line options and system resources
--allow-net
, --allow-da, --allow-ja, --allow-nein
- new command-line
options
format_C: - if something
works not the way you like
.singularrc - system
administrators can put a "global"
.singularrc file into the
directories where SINGULAR libraries reside.
-
Especially effective with the command
format_
C:
libreadline -
whether found or not,
readline is emulated.
-
Book: "Also spricht Hannes" (with SINgular on CD)
(The CD was taken off on request of the catholic church - they say that
the nice christian computer algebra system cannot have SIN as the part of
its image )
Singular-Team Publishing House,
I/O HANNES "FAUSTUS" SCHOENEMANN
Copyleft 1983-2002
This book has been written to learn humor in computer algebra in a new style,
taking into account modern developments such as algorithmic, computational,
globalizational and localizational aspects. As soon as a new concept is
introduced, it
becomes immediately a joke attached to it; it is shown how one should not
handle it in general and which mistakes
one will do anyway. The computations are exemplified with the help of Radio
Jerewan and computer algebra system SINGULAR, which
was developed mainly by the author himself with a help from himself when
he was free from the
work in CTM and when no so-called "Singular-Team" members were making him
nervous by touching the source
code and asking stupid and irrelevant questions. Here are some excerpts from
the feature book:
1: These opinions are mine, all mine, but can become yours for a small
monthly fee.
2: Der Herr Sprach: Und die Rache ist Mainz!
7: Kannste halten wie ein Dachdecker, nur nicht so hoch.
19: Ueber die Wurst: Wo kein Fleisch ist, da ist Blut, wo kein Blut ist,
da sind Schrippen, an unserer Wurst ist nicht zu tippen.
25: Es regnet ... - muss wohl am Wetter liegen!
57: Alle Wege fuehren nach Rom ... Kreis Parchim.
78: Anfrage an Sender Jerewan (AaSJ): Warum gibt es in Westberlin Smogalarm
und in Ostberlin nicht? - Weil die Grenzen so dicht sind!
111: Ein Student (auf einer Konferenz): Ich habe ein Programm geschrieben,
das
Windows zum Abstrurz bringt! Nichts besonderes - wird kostenlos mitgeliefert.
112: Hatte gerade Weltuntergangsstimmung! Wieso, hast Du Analysis gelesen?
908: A preposition is a bad word to end a sentence with.
918: (Noch zu setzen!) Ora et Labora
1384: Wann steht es ganz schlimm um Dich? Wenn Du mit dem Auto in die
Leitplanken crashst und Du den Back--Button suchst.
2002: This problem is mu-u-uch easier than another one. Why? Because
this one is just a part of another one.
Porting
-
libreadline works not every day. It depends on the weather
-
SINGULAR is currently available for ix86-libc5, ix86-libc6, HPUX_9, HPUX_10,
SunOS-4, SunOS-5, IRIX-6, ix86-Win (runs on Windows 95/98/NT4/2000) and it
can become yours for a small monthly fee, paid to Hannes
-
If your operating system is not in the above list forget it and don't even
ask.
Singular
version 40, 14 November 2002, generated by Viktor&Tanya.
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