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www.ginac.de Git - ginac.git/log
Richard Kreckel [Tue, 28 Mar 2000 00:51:17 +0000 (00:51 +0000)]
- New tests from the Lewis-Wester Paper: I, J, K and L.
Richard Kreckel [Mon, 27 Mar 2000 17:43:54 +0000 (17:43 +0000)]
- Primitive heuristics to make determinants of sparse matrices work.
Richard Kreckel [Mon, 27 Mar 2000 17:43:14 +0000 (17:43 +0000)]
- Finally: the test M1 from Lewis and Wester works.
Richard Kreckel [Sun, 26 Mar 2000 22:57:01 +0000 (22:57 +0000)]
- As advertised: we are calling the Gamma function tgamma() now!
Richard Kreckel [Sun, 26 Mar 2000 18:45:39 +0000 (18:45 +0000)]
- added test O1 from Lewis-Wester paper.
- corrected a thinko in computing the time.
Richard Kreckel [Sat, 25 Mar 2000 20:58:05 +0000 (20:58 +0000)]
- Two more tests from the Lewis-Wester paper.
Richard Kreckel [Sat, 25 Mar 2000 20:35:48 +0000 (20:35 +0000)]
- Added some tests from the Lewis-Wester testsuite.
Christian Bauer [Fri, 24 Mar 2000 19:45:38 +0000 (19:45 +0000)]
- ginac.h includes version.h (created by configure script), which contains
library version defines
Christian Bauer [Thu, 23 Mar 2000 21:50:38 +0000 (21:50 +0000)]
- raised coefficient bit-length limit in heur_gcd() (CLN is good with large
numbers, so this improves performance)
Richard Kreckel [Thu, 23 Mar 2000 16:50:17 +0000 (16:50 +0000)]
- We now write f(x).series(x==3,5) instead of f(x).series(x,3,5) and
f(x).series(x,4) instead of f(x).series(x,0,4). We also don't allow
default arguments any more.
Christian Bauer [Wed, 22 Mar 2000 21:32:23 +0000 (21:32 +0000)]
- removed inert Diff() function; only Derivative() remains
- deriving Derivative() now works
Richard Kreckel [Tue, 21 Mar 2000 19:30:22 +0000 (19:30 +0000)]
- gamma() -> Gamma().
- EulerGamma -> gamma.
- beta() -> Beta().
- Version -> 0.6.0 in order to make it clear there were *real* changes.
Richard Kreckel [Tue, 21 Mar 2000 17:07:17 +0000 (17:07 +0000)]
- 0^a -> 0^a instead of 0.
Richard Kreckel [Tue, 21 Mar 2000 17:07:00 +0000 (17:07 +0000)]
- print 0 without parens.
Richard Kreckel [Mon, 20 Mar 2000 17:10:43 +0000 (17:10 +0000)]
- Changes reflect beautifying of floating-point output.
Richard Kreckel [Mon, 20 Mar 2000 17:09:50 +0000 (17:09 +0000)]
- Output of floats is now in a more beautiful form.
Christian Bauer [Mon, 20 Mar 2000 15:17:44 +0000 (15:17 +0000)]
- fixed bug in normal(): normal(x^a) became (x^(-a))^(-1)
- first shot at inert Diff() and Derivative() functions; still buggy!
Richard Kreckel [Mon, 20 Mar 2000 15:14:39 +0000 (15:14 +0000)]
- Mention `warranty;' in splash-screen instead of file COPYING.
Richard Kreckel [Wed, 15 Mar 2000 23:37:19 +0000 (23:37 +0000)]
- Updated the timings.
Richard Kreckel [Wed, 15 Mar 2000 22:44:12 +0000 (22:44 +0000)]
- Updated for Version 0.5.4.
Christian Bauer [Wed, 15 Mar 2000 22:34:19 +0000 (22:34 +0000)]
- update NEWS file
Richard Kreckel [Wed, 15 Mar 2000 22:32:49 +0000 (22:32 +0000)]
- Updated for 0.5.4.
Richard Kreckel [Wed, 15 Mar 2000 22:28:41 +0000 (22:28 +0000)]
- According to CLTL 0^I is undefined, 0^(I+epsilon) is 0 and 0^(I-epsilon)
is an overflow. Now, this should be honored.
Richard Kreckel [Wed, 15 Mar 2000 21:22:41 +0000 (21:22 +0000)]
- The status_flags::expanded is now used on some occasions.
Richard Kreckel [Wed, 15 Mar 2000 21:22:03 +0000 (21:22 +0000)]
- New file exam_inifcns.cpp holds some functions that really do not belong
to the checks.
Richard Kreckel [Tue, 14 Mar 2000 19:39:25 +0000 (19:39 +0000)]
- Doxygen'ed a bunch of comments.
Richard Kreckel [Tue, 14 Mar 2000 19:39:00 +0000 (19:39 +0000)]
- Cleanup and clarifications.
- Addition of sparse expression trees (to be used at a later stage).
Christian Bauer [Mon, 13 Mar 2000 19:21:20 +0000 (19:21 +0000)]
- ex::series() catches and re-throws exceptions happening during expansion
(almost always caused by expansion of unhandled poles)
- series(log(x),x) now returns log(x) instead of an error
Richard Kreckel [Mon, 13 Mar 2000 17:15:05 +0000 (17:15 +0000)]
- More drastic performance boost on matrix stuff.
- Addition of some comments.
Richard Kreckel [Mon, 13 Mar 2000 17:14:21 +0000 (17:14 +0000)]
- Two new timimgs that are interesting for optimizing.
- Readjusted some parameters.
- Cleaned up syntax in everything involving matrices to reflect the
policy: "normal if in field, expand otherwise". (It makes many things
much clearer.)
Richard Kreckel [Mon, 13 Mar 2000 17:12:12 +0000 (17:12 +0000)]
- New example in Tour of GiNaC about exact radicals.
Richard Kreckel [Thu, 9 Mar 2000 18:29:17 +0000 (18:29 +0000)]
- Added warning about too much optimism for Bernoulli numbers.
Richard Kreckel [Thu, 2 Mar 2000 23:51:33 +0000 (23:51 +0000)]
- Changed behaviour of .evalf() to not evalf any exponents.
Christian Bauer [Thu, 2 Mar 2000 17:38:32 +0000 (17:38 +0000)]
- collect() does nothing
- evalf() only evalfs the coefficients
Richard Kreckel [Thu, 2 Mar 2000 15:16:22 +0000 (15:16 +0000)]
- The paragraph about regression tests reflects the new 3-step scheme now.
Richard Kreckel [Wed, 1 Mar 2000 21:32:45 +0000 (21:32 +0000)]
- Fixed a logic error in numeric::info().
- Maybe added another world record: an extremely fast fibonacci routine
(a nonrecursive variation of a method suggested by B. Haible).
Christian Bauer [Wed, 1 Mar 2000 20:51:01 +0000 (20:51 +0000)]
- pseries::coeff() now uses a binary instead of a linear search algorithm
Richard Kreckel [Tue, 29 Feb 2000 17:28:13 +0000 (17:28 +0000)]
- Completely restructured the checks in subdir check/.
- Optimized Laplace expansion of determinants to not compute anything more
than once.
- Moved int permutation_sign(vector<T> s) from matrix.cpp to utils.h.
- A handful of other fixes assiciated with the above.
Richard Kreckel [Tue, 29 Feb 2000 17:25:03 +0000 (17:25 +0000)]
- Patch for static libreadline w/ libncurses problem, submitted by B.Haible.
Christian Bauer [Thu, 24 Feb 2000 18:06:40 +0000 (18:06 +0000)]
- default maxargs for functions is 13 to make the current xloops compile
out-of-the-box
- small fix for abs(): eval() function was not set properly
Richard Kreckel [Thu, 24 Feb 2000 15:05:53 +0000 (15:05 +0000)]
- Speedup for macro that checks if doublefactorial is present in -lcln.
Richard Kreckel [Wed, 23 Feb 2000 20:08:30 +0000 (20:08 +0000)]
- Clarification.
Alexander Frink [Wed, 23 Feb 2000 19:56:05 +0000 (19:56 +0000)]
better handling for comments in ginaccint.bin.cpp
Richard Kreckel [Wed, 23 Feb 2000 18:38:27 +0000 (18:38 +0000)]
- Version and date reflect 0.5.3
Richard Kreckel [Wed, 23 Feb 2000 18:04:57 +0000 (18:04 +0000)]
- Some minor clarifications.
Richard Kreckel [Wed, 23 Feb 2000 18:04:38 +0000 (18:04 +0000)]
- Version 0.5.2 -> 0.5.3.
Richard Kreckel [Wed, 23 Feb 2000 17:36:06 +0000 (17:36 +0000)]
- A new test ripped shamelessly from the Mathematica book.
Richard Kreckel [Wed, 23 Feb 2000 17:35:42 +0000 (17:35 +0000)]
- Version 5.0.2 -> 5.0.3
Alexander Frink [Tue, 22 Feb 2000 19:53:27 +0000 (19:53 +0000)]
remember strategies least recently used and least frequently used,
code moved to remember.h/cpp
Alexander Frink [Mon, 21 Feb 2000 23:12:32 +0000 (23:12 +0000)]
registered_function_info struct changed to function_options class
Alexander Frink [Mon, 21 Feb 2000 23:11:41 +0000 (23:11 +0000)]
container.pl: can now generate constructors for an arbitary number
of arguments
function.pl: new concept for specifying options for functions,
take a look at the function_options class
first experimental support for remembering functions
IMPORTANT: the syntax of the macro REGISTER_FUNCTION() has
changed incompatibly (see inifcns.cpp for an example)
flags.h: flags for remembering strategies (lru, lfu,...)
inifcns*.cpp: use the new REGISTER_FUNCTION() macro syntax
numeric.h/cpp: hashing for numbers using CLN's cl_equal_hashcode()
seems to give increased performance
simp_lor.h: simplify_simp_lor can be called without scalar products list
structure.pl: bug fix in regular expression
normal.cpp: bug fix, a_numeric.compare(_ex0)
Alexander Frink [Mon, 21 Feb 2000 23:04:35 +0000 (23:04 +0000)]
some words about the new function registration macro
Alexander Frink [Mon, 21 Feb 2000 23:04:07 +0000 (23:04 +0000)]
several more workarounds to make cint work with ginac
recognize constants as a return value
Alexander Frink [Mon, 21 Feb 2000 23:02:43 +0000 (23:02 +0000)]
added a normal() to compare the output from lsolve with what is expected
Christian Bauer [Mon, 21 Feb 2000 22:59:23 +0000 (22:59 +0000)]
- add::normal() didn't multiply denominator of expanded children to their
overall_coeff
Christian Bauer [Mon, 21 Feb 2000 22:58:45 +0000 (22:58 +0000)]
- added check for latest normal() bug
Christian Bauer [Mon, 21 Feb 2000 20:08:03 +0000 (20:08 +0000)]
- collect() works better
Alexander Frink [Thu, 17 Feb 2000 01:50:26 +0000 (01:50 +0000)]
#define CINT_CONVERSION_WORKAROUND added to configure
Alexander Frink [Thu, 17 Feb 2000 01:43:26 +0000 (01:43 +0000)]
new conversion functions basic -> ex in dummies.h needed
for cint 5.14.x with x>26 until the derived->basic->ex conversion
bug is fixed
Alexander Frink [Thu, 17 Feb 2000 01:42:33 +0000 (01:42 +0000)]
new #define CINT_CONVERSION_WORKAROUND for ginaccint, needed
for cint 5.14.x with x>26 until the derived->basic->ex conversion
bug is fixed
Richard Kreckel [Wed, 16 Feb 2000 20:31:00 +0000 (20:31 +0000)]
- Fixed wrong behaviour of new warning scheme.
Richard Kreckel [Wed, 16 Feb 2000 17:56:47 +0000 (17:56 +0000)]
- Made configure warn a lot when readline-stuff couldn't be found.
Richard Kreckel [Wed, 16 Feb 2000 17:56:18 +0000 (17:56 +0000)]
- set micro_version to 2.
Richard Kreckel [Wed, 16 Feb 2000 14:26:36 +0000 (14:26 +0000)]
- Updated for doxygen v1.0.0.
Richard Kreckel [Wed, 16 Feb 2000 14:26:15 +0000 (14:26 +0000)]
- fixed some logic in numeric::has().
Richard Kreckel [Tue, 15 Feb 2000 23:17:57 +0000 (23:17 +0000)]
- introduced numeric::has()
Richard Kreckel [Mon, 14 Feb 2000 19:54:57 +0000 (19:54 +0000)]
- Shit, I forgot to say autoconf, so the tag is messed up for the configure
script. Gonna release it with the Version fixed, though. :-(
Richard Kreckel [Mon, 14 Feb 2000 19:40:05 +0000 (19:40 +0000)]
- beautyfied names :-)
Richard Kreckel [Mon, 14 Feb 2000 19:35:14 +0000 (19:35 +0000)]
- fixed broken target clean in Makefiles.
- cosmetic fixes.
Richard Kreckel [Mon, 14 Feb 2000 17:51:39 +0000 (17:51 +0000)]
- put problematic call in paranoia_check8() into a try-and-catch block.
Richard Kreckel [Mon, 14 Feb 2000 17:01:55 +0000 (17:01 +0000)]
- cosmetic fix
Richard Kreckel [Mon, 14 Feb 2000 17:01:39 +0000 (17:01 +0000)]
- preparations for release 0.5.1
Richard Kreckel [Sun, 13 Feb 2000 22:14:45 +0000 (22:14 +0000)]
- bugfix: 2^(3/2) does not throw any more. This was now secured in...
- ...a new function paranoia_check10.
Richard Kreckel [Sat, 12 Feb 2000 18:53:56 +0000 (18:53 +0000)]
- Chronological order, please.
Richard Kreckel [Sat, 12 Feb 2000 18:35:39 +0000 (18:35 +0000)]
- class -> typename, because it might be int in template.
Christian Bauer [Thu, 10 Feb 2000 21:56:25 +0000 (21:56 +0000)]
- ex::numer() and ex::denom() now make use of the new normal()
- improved power::normal() a bit with respect to negative exponents
Christian Bauer [Thu, 10 Feb 2000 21:25:38 +0000 (21:25 +0000)]
- normal() now internally keeps numerator and denominator separated and
doesn't combine them to a fraction until the very end. All implementations
of basic::normal() now return a 2-component lst {num, den} instead of a
simple expression.
- dropped status_flags::normal_form
- ex::numer() and ex::denom() didn't work correctly on numerics
- lcm(a, b) with a and b being a numeric returned the GCD of a and b (*argh*)
Christian Bauer [Tue, 8 Feb 2000 18:18:52 +0000 (18:18 +0000)]
- added linefeed to end of "usage" string
Christian Bauer [Tue, 8 Feb 2000 18:18:39 +0000 (18:18 +0000)]
- series expansion of pseries objects should now work as expected
Christian Bauer [Tue, 8 Feb 2000 18:18:22 +0000 (18:18 +0000)]
- small fix (info files are not gzipped)
Richard Kreckel [Mon, 7 Feb 2000 20:13:08 +0000 (20:13 +0000)]
- Added Cint 5.4.24 as known not to work.
Richard Kreckel [Mon, 7 Feb 2000 20:05:42 +0000 (20:05 +0000)]
- inserted correct date.
Richard Kreckel [Mon, 7 Feb 2000 20:04:32 +0000 (20:04 +0000)]
- changes triggered by fucking new version of automake
Richard Kreckel [Mon, 7 Feb 2000 19:56:17 +0000 (19:56 +0000)]
- Added Cint 5.4.25 to the list of working Cints
Christian Bauer [Mon, 7 Feb 2000 19:47:35 +0000 (19:47 +0000)]
- cint dir was missing from distribution
Richard Kreckel [Mon, 7 Feb 2000 19:22:30 +0000 (19:22 +0000)]
- made the disadvantage (not interactive) an advantage (multiple interfaces).
Richard Kreckel [Mon, 7 Feb 2000 19:21:24 +0000 (19:21 +0000)]
- fixed typos, fixed typos, fixed typos...
Richard Kreckel [Mon, 7 Feb 2000 19:05:28 +0000 (19:05 +0000)]
- Changes to */Makefile.in triggered by stupid automake-version-thingie.
- added return-behaviour to section BUGS in ginaccint.1
- Fixed cint/Makefile.am to add CINTSYSDIR to PATH (since cint may be
sitting there).
Richard Kreckel [Mon, 7 Feb 2000 17:57:15 +0000 (17:57 +0000)]
- */Makefile.in: changes triggered by newer automake.
- added relational::rhs() and relational::lhs() also available from ex.
- added two new checks in check/linear_solve.cpp (formerly
check/lsolve_onedim.cpp) shamelessly ripped from the Maple online-help.
- added keyword warranty to ginsh as dictated by the bible (emacs).
Richard Kreckel [Fri, 4 Feb 2000 21:22:10 +0000 (21:22 +0000)]
- typos, typos, typos...
Christian Bauer [Fri, 4 Feb 2000 18:03:55 +0000 (18:03 +0000)]
- ginsh now includes "ginac.h" when compiled as part of the GiNaC package,
and <ginac/ginac.h> otherwise
Alexander Frink [Thu, 3 Feb 2000 00:56:21 +0000 (00:56 +0000)]
bug fix for output of interactive expression in ginaccint
Alexander Frink [Thu, 3 Feb 2000 00:56:08 +0000 (00:56 +0000)]
bug fix for output of interactive expression
Richard Kreckel [Wed, 2 Feb 2000 23:09:31 +0000 (23:09 +0000)]
- Change triggered by newer automake.
Richard Kreckel [Wed, 2 Feb 2000 23:09:08 +0000 (23:09 +0000)]
- Extended manpage.
- Made make actually work. :-)
Richard Kreckel [Wed, 2 Feb 2000 23:08:10 +0000 (23:08 +0000)]
- use namespace GiNaC only if NO_NAMESPACE_GINAC wasn't defined.
Richard Kreckel [Wed, 2 Feb 2000 21:07:07 +0000 (21:07 +0000)]
- Make diff() care for evaluating stuff.
Richard Kreckel [Wed, 2 Feb 2000 21:06:33 +0000 (21:06 +0000)]
- Several corrections in section Extending GiNaC / Symbolic Functions.
Richard Kreckel [Wed, 2 Feb 2000 18:49:29 +0000 (18:49 +0000)]
- diff() is now only defined on classes ex and basic, where it handles
higher derivatives. derivative() is now the method to be implemented
by the user that does single derivatives, it is protected.
- Implemented some very clumpsy automatic generation of ginaccint.
It is ugly because we have to compile libginac without namespace GiNaC.
- Fixed some wrong logic in numeric::power().
Richard Kreckel [Mon, 31 Jan 2000 22:50:12 +0000 (22:50 +0000)]
- introduced function void greeting(void).