ginac.git
15 years agoDocumentation for generalized clifford algebra.
Jens Vollinga [Fri, 15 Oct 2004 17:09:48 +0000 (17:09 +0000)]
Documentation for generalized clifford algebra.

15 years agoadded CVS instructions
Christian Bauer [Thu, 14 Oct 2004 19:37:12 +0000 (19:37 +0000)]
added CVS instructions

15 years agoadded error handling to op()/let_op()
Christian Bauer [Thu, 14 Oct 2004 19:36:45 +0000 (19:36 +0000)]
added error handling to op()/let_op()

15 years agoVarious bug-fixes and enhancements (new moebius transformation).
Jens Vollinga [Tue, 12 Oct 2004 13:35:18 +0000 (13:35 +0000)]
Various bug-fixes and enhancements (new moebius transformation).

15 years agoAdded integral class.
Jens Vollinga [Tue, 12 Oct 2004 13:32:11 +0000 (13:32 +0000)]
Added integral class.

15 years agoAdded documentation about integral class.
Jens Vollinga [Tue, 12 Oct 2004 13:31:59 +0000 (13:31 +0000)]
Added documentation about integral class.

15 years ago* Prepare for packaging of version 1.3.
Richard Kreckel [Fri, 8 Oct 2004 22:49:44 +0000 (22:49 +0000)]
* Prepare for packaging of version 1.3.

15 years agofixed another power::series() bug [Alexei Sheplyakov]
Christian Bauer [Wed, 6 Oct 2004 15:59:20 +0000 (15:59 +0000)]
fixed another power::series() bug [Alexei Sheplyakov]

15 years agoinclude ginac.pc in libginac-dev [Alexei Sheplyakov]
Christian Bauer [Wed, 6 Oct 2004 15:40:20 +0000 (15:40 +0000)]
include ginac.pc in libginac-dev [Alexei Sheplyakov]

15 years agobinomial(n,k) evaluates for non-integer n [Ralph Stephan]
Christian Bauer [Wed, 6 Oct 2004 15:31:23 +0000 (15:31 +0000)]
binomial(n,k) evaluates for non-integer n [Ralph Stephan]

15 years agoreplaced non-ASCII character in exception msg
Christian Bauer [Wed, 6 Oct 2004 15:31:03 +0000 (15:31 +0000)]
replaced non-ASCII character in exception msg

15 years agofixed typo
Christian Bauer [Thu, 30 Sep 2004 17:39:05 +0000 (17:39 +0000)]
fixed typo

15 years agodbgprint() now uses a print_dflt
Christian Bauer [Thu, 30 Sep 2004 17:38:57 +0000 (17:38 +0000)]
dbgprint() now uses a print_dflt

15 years ago* Li2_do_sum_Xn: Optimize (avoid repeated multiplication).
Richard Kreckel [Sun, 26 Sep 2004 01:47:39 +0000 (01:47 +0000)]
* Li2_do_sum_Xn: Optimize (avoid repeated multiplication).

15 years ago* power::info(): Unpolynomialize sin(x)^2 (by Chris Dams).
Richard Kreckel [Fri, 24 Sep 2004 01:46:19 +0000 (01:46 +0000)]
* power::info(): Unpolynomialize sin(x)^2 (by Chris Dams).

15 years agoSynced bug fix to HEAD.
Jens Vollinga [Thu, 23 Sep 2004 18:38:07 +0000 (18:38 +0000)]
Synced bug fix to HEAD.

15 years agolog(-<realnumber>) now returns a real number (correct CVS check-in)
Jens Vollinga [Wed, 1 Sep 2004 15:10:27 +0000 (15:10 +0000)]
log(-<realnumber>) now returns a real number (correct CVS check-in)

15 years agolog(-<realnumber>) now returns a real number
Jens Vollinga [Wed, 1 Sep 2004 15:07:58 +0000 (15:07 +0000)]
log(-<realnumber>) now returns a real number

15 years ago- added ex::unitcontprim()
Christian Bauer [Fri, 20 Aug 2004 20:14:10 +0000 (20:14 +0000)]
- added ex::unitcontprim()
- fixed a problem where content() would return something that was not unit
  normal

15 years agoadded another check
Christian Bauer [Fri, 20 Aug 2004 20:13:43 +0000 (20:13 +0000)]
added another check

15 years agocache other.p in assignment; this should fix the "assignment of
Christian Bauer [Fri, 20 Aug 2004 20:13:09 +0000 (20:13 +0000)]
cache other.p in assignment; this should fix the "assignment of
sub-expression" problem with operator[]

15 years agosynced to 1.2 (documentation building)
Christian Bauer [Wed, 11 Aug 2004 01:01:26 +0000 (01:01 +0000)]
synced to 1.2 (documentation building)

15 years agoupdated mailing list info
Christian Bauer [Tue, 10 Aug 2004 23:55:35 +0000 (23:55 +0000)]
updated mailing list info

16 years agoSynced to HEAD
Jens Vollinga [Mon, 9 Aug 2004 18:48:45 +0000 (18:48 +0000)]
Synced to HEAD

16 years agoSynced to HEAD
Jens Vollinga [Mon, 9 Aug 2004 18:32:56 +0000 (18:32 +0000)]
Synced to HEAD

16 years agopatch for readline 5.0 [Howard B. Golden]
Christian Bauer [Fri, 6 Aug 2004 20:01:45 +0000 (20:01 +0000)]
patch for readline 5.0 [Howard B. Golden]

16 years ago- added variants of dirac_trace() and color_trace() that take the trace over
Christian Bauer [Thu, 5 Aug 2004 21:06:15 +0000 (21:06 +0000)]
- added variants of dirac_trace() and color_trace() that take the trace over
  more than one representation label by specifying a set or list of labels
- diracgamma::contract_with() uses Chisholm identities in 4 dimensions to
  produce more compact results
- added missing documentation for options parameter of simplify_indexed()

16 years agoadded variants of dirac_trace() and color_trace() that take the trace over
Christian Bauer [Thu, 5 Aug 2004 21:05:39 +0000 (21:05 +0000)]
added variants of dirac_trace() and color_trace() that take the trace over
more than one representation label by specifying a set or list of labels

16 years ago- added checks for multiple-label traces
Christian Bauer [Thu, 5 Aug 2004 21:05:20 +0000 (21:05 +0000)]
- added checks for multiple-label traces

16 years agosynced to 1.2 (bogus assertion and evaluated symmetry nodes)
Christian Bauer [Tue, 3 Aug 2004 19:20:37 +0000 (19:20 +0000)]
synced to 1.2 (bogus assertion and evaluated symmetry nodes)

16 years agoadded something about functions with variable number of arguments
Christian Bauer [Mon, 2 Aug 2004 22:07:02 +0000 (22:07 +0000)]
added something about functions with variable number of arguments

16 years ago(p.i*p.i).get_free_indices() returned (.i) instead of ()
Christian Bauer [Mon, 2 Aug 2004 21:40:25 +0000 (21:40 +0000)]
(p.i*p.i).get_free_indices() returned (.i) instead of ()

16 years agoadded check for power::get_free_indices()
Christian Bauer [Mon, 2 Aug 2004 21:40:04 +0000 (21:40 +0000)]
added check for power::get_free_indices()

16 years agoexpand() before integer_content()
Christian Bauer [Mon, 2 Aug 2004 19:55:06 +0000 (19:55 +0000)]
expand() before integer_content()

16 years agointeger_content()/content()/primpart() work with polynomials with rational
Christian Bauer [Mon, 2 Aug 2004 19:50:44 +0000 (19:50 +0000)]
integer_content()/content()/primpart() work with polynomials with rational
coefficients

16 years agoadded checks for integer_content()/content()/primpart()
Christian Bauer [Mon, 2 Aug 2004 19:50:30 +0000 (19:50 +0000)]
added checks for integer_content()/content()/primpart()

16 years agoadded integer_content() function
Christian Bauer [Mon, 2 Aug 2004 19:44:49 +0000 (19:44 +0000)]
added integer_content() function

16 years agofixed typos
Christian Bauer [Fri, 23 Jul 2004 18:29:57 +0000 (18:29 +0000)]
fixed typos

16 years agosynced to 1.2 (typos, better ncmul::degree() and ::coeff())
Christian Bauer [Thu, 22 Jul 2004 23:06:03 +0000 (23:06 +0000)]
synced to 1.2 (typos, better ncmul::degree() and ::coeff())

16 years ago* Check polynomialism of resultant() args.
Richard Kreckel [Sat, 10 Jul 2004 00:06:29 +0000 (00:06 +0000)]
* Check polynomialism of resultant() args.

16 years agomain() -> int main() (C++ standard says so)
Christian Bauer [Mon, 5 Jul 2004 19:56:28 +0000 (19:56 +0000)]
main() -> int main() (C++ standard says so)

16 years agoFixed bug that caused evalf to crash especially on 64bit machines
Jens Vollinga [Sun, 4 Jul 2004 22:09:08 +0000 (22:09 +0000)]
Fixed bug that caused evalf to crash especially on 64bit machines

16 years agoconjugate() symbolic function renamed to conjugate_function()
Christian Bauer [Sun, 4 Jul 2004 15:07:05 +0000 (15:07 +0000)]
conjugate() symbolic function renamed to conjugate_function()

16 years agoadded add::conjugate(), solving problems with numeric factors
Christian Bauer [Sun, 4 Jul 2004 15:06:46 +0000 (15:06 +0000)]
added add::conjugate(), solving problems with numeric factors

16 years agodirac_slash() called the wrong clifford constructor
Christian Bauer [Sun, 4 Jul 2004 15:03:52 +0000 (15:03 +0000)]
dirac_slash() called the wrong clifford constructor

16 years agofixed operator precedence
Christian Bauer [Thu, 1 Jul 2004 20:16:56 +0000 (20:16 +0000)]
fixed operator precedence

16 years agoobvious patch from Chris Dams
Christian Bauer [Tue, 29 Jun 2004 18:38:42 +0000 (18:38 +0000)]
obvious patch from Chris Dams

16 years agoresultant() takes three "const ex &" parameters
Christian Bauer [Tue, 29 Jun 2004 18:38:35 +0000 (18:38 +0000)]
resultant() takes three "const ex &" parameters

16 years ago* Added resultant() function (by Ralf Stephan <ralf@ark.in-berlin.de>).
Richard Kreckel [Mon, 28 Jun 2004 23:09:11 +0000 (23:09 +0000)]
* Added resultant() function (by Ralf Stephan <ralf@ark.in-berlin.de>).

16 years agofixed typos
Christian Bauer [Tue, 22 Jun 2004 14:36:27 +0000 (14:36 +0000)]
fixed typos

16 years agopatches from Chris Dams
Christian Bauer [Tue, 15 Jun 2004 20:35:32 +0000 (20:35 +0000)]
patches from Chris Dams

16 years ago* Well, adjust version.
Richard Kreckel [Tue, 15 Jun 2004 01:54:01 +0000 (01:54 +0000)]
* Well, adjust version.

16 years ago- No,
Richard Kreckel [Tue, 15 Jun 2004 01:51:44 +0000 (01:51 +0000)]
- No,

16 years ago- Added method matrix::rank().
Richard Kreckel [Tue, 15 Jun 2004 01:48:54 +0000 (01:48 +0000)]
- Added method matrix::rank().
- Fixes to matrix elimination routines, needed for rank computations.

16 years ago- clifford::metric stores the metric without indices, removing rendundancy
Christian Bauer [Mon, 14 Jun 2004 19:15:02 +0000 (19:15 +0000)]
- clifford::metric stores the metric without indices, removing rendundancy
- default metric comes from a flyweight to conserve memory
- API change: The 'metr' argument to clifford_unit() and lst_to_clifford()
  is now a tensor or a symmetric matrix without indices

16 years agoadapted to changed clifford_unit() API
Christian Bauer [Mon, 14 Jun 2004 19:12:36 +0000 (19:12 +0000)]
adapted to changed clifford_unit() API

16 years agoadded checks for generalized clifford units
Christian Bauer [Mon, 14 Jun 2004 18:09:05 +0000 (18:09 +0000)]
added checks for generalized clifford units

16 years agofixed typo in comment
Christian Bauer [Fri, 11 Jun 2004 21:32:00 +0000 (21:32 +0000)]
fixed typo in comment

16 years ago- expanded the section on symbols
Christian Bauer [Fri, 11 Jun 2004 21:30:55 +0000 (21:30 +0000)]
- expanded the section on symbols
- added a list of functions of numeric objects

16 years agosynced to 1.2 (memory conservation)
Christian Bauer [Thu, 10 Jun 2004 02:30:29 +0000 (02:30 +0000)]
synced to 1.2 (memory conservation)

16 years agoadded docs for exhashmap
Christian Bauer [Tue, 8 Jun 2004 19:26:26 +0000 (19:26 +0000)]
added docs for exhashmap

16 years agosynced to 1.2 (template<>)
Christian Bauer [Tue, 8 Jun 2004 18:50:25 +0000 (18:50 +0000)]
synced to 1.2 (template<>)

16 years agofixed typo
Christian Bauer [Tue, 8 Jun 2004 18:50:19 +0000 (18:50 +0000)]
fixed typo

16 years agoadded docs for const_pre/postorder_iterator
Christian Bauer [Tue, 8 Jun 2004 18:12:53 +0000 (18:12 +0000)]
added docs for const_pre/postorder_iterator

16 years agoconst_preorder_iterator and const_postorder_iterator and associated methods
Christian Bauer [Tue, 25 May 2004 18:57:01 +0000 (18:57 +0000)]
const_preorder_iterator and const_postorder_iterator and associated methods
ex::pre/postorder_begin/end() are now operative

16 years agoadded the possibility to get some statistical information from ex::compare()
Christian Bauer [Tue, 25 May 2004 17:59:31 +0000 (17:59 +0000)]
added the possibility to get some statistical information from ex::compare()

16 years agofixed varidx LaTeX output
Christian Bauer [Mon, 17 May 2004 01:05:45 +0000 (01:05 +0000)]
fixed varidx LaTeX output

16 years agofixed typos
Christian Bauer [Thu, 13 May 2004 19:52:00 +0000 (19:52 +0000)]
fixed typos

16 years agofunction_options::nparams is now always correctly initialized, even if no
Christian Bauer [Thu, 29 Apr 2004 21:53:22 +0000 (21:53 +0000)]
function_options::nparams is now always correctly initialized, even if no
*_func() option was specified

16 years agofixed coding style and stuff...
Christian Bauer [Thu, 29 Apr 2004 21:25:29 +0000 (21:25 +0000)]
fixed coding style and stuff...

16 years agoAdded contribution from Vladimir Kisil: generalization of clifford algebra:
Jens Vollinga [Thu, 29 Apr 2004 19:53:12 +0000 (19:53 +0000)]
Added contribution from Vladimir Kisil: generalization of clifford algebra:
* different metrics can now be defined for clifford
* new class "clifford_unit" to represent generators of the algebra

16 years agoUpdate
Jens Vollinga [Fri, 23 Apr 2004 20:00:47 +0000 (20:00 +0000)]
Update

16 years agopower::series() speedup from Chris Dams
Christian Bauer [Wed, 21 Apr 2004 18:32:54 +0000 (18:32 +0000)]
power::series() speedup from Chris Dams

16 years agodocumentation update
Christian Bauer [Mon, 19 Apr 2004 18:59:28 +0000 (18:59 +0000)]
documentation update

16 years agoOptimized series expansion.
Jens Vollinga [Mon, 19 Apr 2004 18:27:24 +0000 (18:27 +0000)]
Optimized series expansion.

16 years agoFixed log-patch.
Jens Vollinga [Mon, 19 Apr 2004 16:11:09 +0000 (16:11 +0000)]
Fixed log-patch.

16 years agoAdd check for log-bug.
Jens Vollinga [Sat, 17 Apr 2004 16:10:14 +0000 (16:10 +0000)]
Add check for log-bug.

16 years agoFixed bug in series expansion of log.
Jens Vollinga [Sat, 17 Apr 2004 16:07:14 +0000 (16:07 +0000)]
Fixed bug in series expansion of log.

16 years ago* library_init::library_init(): It suffices to static_cast<> the flyweights
Richard Kreckel [Mon, 12 Apr 2004 01:42:18 +0000 (01:42 +0000)]
* library_init::library_init(): It suffices to static_cast<> the flyweights
  at initialization -- reinterpret_cast<> is overkill.

16 years ago* Use the pointers to the flyweights, not their references!
Richard Kreckel [Mon, 12 Apr 2004 01:37:34 +0000 (01:37 +0000)]
* Use the pointers to the flyweights, not their references!
* Undo previous patch to fix initialization order fiasco.

16 years ago- fixed atan2_evalf()
Christian Bauer [Mon, 5 Apr 2004 20:30:25 +0000 (20:30 +0000)]
- fixed atan2_evalf()
- improved eval functions of trigonometric functions (mostly negative
  arguments)
- added #undef log2 in utils.h (may help with cygwin?)

16 years agodocumentation update
Christian Bauer [Mon, 5 Apr 2004 20:29:12 +0000 (20:29 +0000)]
documentation update

16 years agoAdded check for fixed bug
Jens Vollinga [Sat, 27 Mar 2004 14:30:22 +0000 (14:30 +0000)]
Added check for fixed bug

16 years agoFixed bug in series expansion
Jens Vollinga [Sat, 27 Mar 2004 14:29:52 +0000 (14:29 +0000)]
Fixed bug in series expansion

16 years agoFixed assertions
Jens Vollinga [Sat, 27 Mar 2004 13:28:15 +0000 (13:28 +0000)]
Fixed assertions

16 years agono need to initialize symtree in initialize(), the ex default ctor works fine
Christian Bauer [Thu, 25 Mar 2004 17:37:44 +0000 (17:37 +0000)]
no need to initialize symtree in initialize(), the ex default ctor works fine

16 years agobumped version number of HEAD to 1.3
Christian Bauer [Mon, 22 Mar 2004 19:30:00 +0000 (19:30 +0000)]
bumped version number of HEAD to 1.3

16 years agodocumentation update
Christian Bauer [Fri, 19 Mar 2004 17:14:28 +0000 (17:14 +0000)]
documentation update

16 years agoS(0,p,x) now evaluates numerically
Jens Vollinga [Thu, 18 Mar 2004 17:03:24 +0000 (17:03 +0000)]
S(0,p,x) now evaluates numerically

16 years agoadded documentation for const_iterator
Christian Bauer [Mon, 15 Mar 2004 20:47:17 +0000 (20:47 +0000)]
added documentation for const_iterator

16 years agofixes for gcc 3.4
Christian Bauer [Mon, 15 Mar 2004 20:14:33 +0000 (20:14 +0000)]
fixes for gcc 3.4

16 years agodocumentation update
Christian Bauer [Mon, 15 Mar 2004 20:14:12 +0000 (20:14 +0000)]
documentation update

16 years agoSynced to HEAD.
Jens Vollinga [Thu, 11 Mar 2004 17:57:24 +0000 (17:57 +0000)]
Synced to HEAD.

16 years agoSynced to HEAD.
Jens Vollinga [Thu, 11 Mar 2004 16:01:26 +0000 (16:01 +0000)]
Synced to HEAD.

16 years agoImproved series expansion synced to HEAD.
Jens Vollinga [Wed, 10 Mar 2004 16:20:02 +0000 (16:20 +0000)]
Improved series expansion synced to HEAD.

16 years agoModifications for improved series expansion.
Jens Vollinga [Wed, 10 Mar 2004 16:19:50 +0000 (16:19 +0000)]
Modifications for improved series expansion.

16 years ago* Don't mention sloooow mirror sites for CLN.
Richard Kreckel [Wed, 25 Feb 2004 01:38:15 +0000 (01:38 +0000)]
* Don't mention sloooow mirror sites for CLN.

16 years agoupdated list of authors
Christian Bauer [Wed, 18 Feb 2004 17:48:11 +0000 (17:48 +0000)]
updated list of authors

16 years agocanonicalize_clifford() was omitting some ONEs
Christian Bauer [Fri, 30 Jan 2004 17:54:53 +0000 (17:54 +0000)]
canonicalize_clifford() was omitting some ONEs

16 years agoSynced to HEAD.
Jens Vollinga [Wed, 28 Jan 2004 20:22:42 +0000 (20:22 +0000)]
Synced to HEAD.