ginac.git
19 years ago* Preparing for 0.8.1.
Richard Kreckel [Fri, 13 Apr 2001 19:26:29 +0000 (19:26 +0000)]
* Preparing for 0.8.1.

19 years ago* Removed obsolete exponent marker in float output example.
Richard Kreckel [Fri, 13 Apr 2001 18:46:23 +0000 (18:46 +0000)]
* Removed obsolete exponent marker in float output example.

19 years ago* add::print() shouldn't put parens around overall_coeff.
Richard Kreckel [Fri, 13 Apr 2001 18:27:34 +0000 (18:27 +0000)]
* add::print() shouldn't put parens around overall_coeff.

19 years ago* Remove bogus counter in sqrfree_yun().
Richard Kreckel [Fri, 13 Apr 2001 18:26:46 +0000 (18:26 +0000)]
* Remove bogus counter in sqrfree_yun().

19 years agoarchive property example uses propinfovector
Christian Bauer [Tue, 10 Apr 2001 23:04:24 +0000 (23:04 +0000)]
archive property example uses propinfovector

19 years agoadded basic::get_precedence()
Christian Bauer [Tue, 10 Apr 2001 18:30:21 +0000 (18:30 +0000)]
added basic::get_precedence()

19 years ago* introduced typedef propinfovector in order to please Cint.
Richard Kreckel [Tue, 10 Apr 2001 13:47:03 +0000 (13:47 +0000)]
* introduced typedef propinfovector in order to please Cint.

19 years agoadapted to change symbol::getname() -> symbol::get_name()
Christian Bauer [Mon, 9 Apr 2001 23:32:23 +0000 (23:32 +0000)]
adapted to change symbol::getname() -> symbol::get_name()

19 years agoadded functions to retrieve the properties stored in archive objects
Christian Bauer [Mon, 9 Apr 2001 21:33:48 +0000 (21:33 +0000)]
added functions to retrieve the properties stored in archive objects
outside of unarchive(), for printing or debugging purposes

19 years ago- updated to reflect the extended possibilities of subs(), (l)degree(),
Christian Bauer [Mon, 9 Apr 2001 21:33:17 +0000 (21:33 +0000)]
- updated to reflect the extended possibilities of subs(), (l)degree(),
  (l/t)coeff() and collect()
- added examples for specialized expression output by tree-traversal and
  with the aid of archives

19 years agodocumentation update
Christian Bauer [Mon, 9 Apr 2001 21:30:32 +0000 (21:30 +0000)]
documentation update

19 years ago- renamed
Christian Bauer [Mon, 9 Apr 2001 01:08:35 +0000 (01:08 +0000)]
- renamed
    function::getserial() -> function::get_serial()
    symbol::setname() -> symbol::set_name()
    symbol::getname() -> symbol::get_name()
  for consistency (since the interface has changed anyway)
- added pseries::get_var() and pseries::get_point()

19 years agoadded function::get_name() to return a function's print name
Christian Bauer [Sat, 7 Apr 2001 20:58:09 +0000 (20:58 +0000)]
added function::get_name() to return a function's print name

19 years agosomething like 2/3*a is no longer printed as (2/3)*a
Christian Bauer [Fri, 6 Apr 2001 23:39:47 +0000 (23:39 +0000)]
something like 2/3*a is no longer printed as (2/3)*a

19 years agoupdated with respect to new print() method
Christian Bauer [Fri, 6 Apr 2001 23:39:17 +0000 (23:39 +0000)]
updated with respect to new print() method

19 years agoprinttree() -> print(print_tree())
Christian Bauer [Fri, 6 Apr 2001 23:03:15 +0000 (23:03 +0000)]
printtree() -> print(print_tree())

19 years ago- replaced the various print*() member functions by a single print() that
Christian Bauer [Fri, 6 Apr 2001 23:02:58 +0000 (23:02 +0000)]
- replaced the various print*() member functions by a single print() that
  takes a print_context object that determines the output formatting; this
  should make it easier to add more output types
- print_tree output of indexed objects looks better

19 years agoadded check for archiving system
Christian Bauer [Fri, 6 Apr 2001 23:02:12 +0000 (23:02 +0000)]
added check for archiving system

19 years agodocumentation update
Christian Bauer [Fri, 6 Apr 2001 23:02:02 +0000 (23:02 +0000)]
documentation update

19 years agosubs() performs "syntactic substitution" as in Maple; you can substitute
Christian Bauer [Thu, 5 Apr 2001 21:02:26 +0000 (21:02 +0000)]
subs() performs "syntactic substitution" as in Maple; you can substitute
any object by any other object (even numerics) but only when the object
subs() is called on exactly matches an object on the left-hand side of the
substitution list; expairseq still doesn't substitute its numeric coefficients
so substituting numerics will not replace them in all occurences (this
shouldn't matter, though)

19 years agodocumentation update
Christian Bauer [Thu, 5 Apr 2001 20:58:36 +0000 (20:58 +0000)]
documentation update

19 years ago- subs() can be used to substitute functions, tensors and indexed objects
Christian Bauer [Thu, 5 Apr 2001 19:45:05 +0000 (19:45 +0000)]
- subs() can be used to substitute functions, tensors and indexed objects
- op(0) of an idx object returns the index value; a nice side-effect of
  this is that idx'es no longer all have the same hash value
- added checks for clifford class

19 years ago- subs() can be used to substitute functions, tensors and indexed objects
Christian Bauer [Thu, 5 Apr 2001 19:44:47 +0000 (19:44 +0000)]
- subs() can be used to substitute functions, tensors and indexed objects
- op(0) of an idx object returns the index value; a nice side-effect of
  this is that idx'es no longer all have the same hash value

19 years agodocumentation update
Christian Bauer [Thu, 5 Apr 2001 00:39:51 +0000 (00:39 +0000)]
documentation update

19 years agodegree(), ldegree(), coeff(), tcoeff(), lcoeff() and collect() work with
Christian Bauer [Thu, 5 Apr 2001 00:37:46 +0000 (00:37 +0000)]
degree(), ldegree(), coeff(), tcoeff(), lcoeff() and collect() work with
functions (you can collect by powers of sin(x) etc.)

19 years agosimplify_indexed() will re-expand the expression and re-run the
Christian Bauer [Thu, 5 Apr 2001 00:16:02 +0000 (00:16 +0000)]
simplify_indexed() will re-expand the expression and re-run the
simplification if a contraction in a product resulted in a factor that
is a sum or a product itself; so e.g. gamma~mu*gamma~nu*gamma.nu*gamma.mu
will return dim^2*ONE without having to run simplify_indexed() twice

19 years ago* removed some obsolete stuff.
Richard Kreckel [Wed, 4 Apr 2001 21:51:19 +0000 (21:51 +0000)]
* removed some obsolete stuff.

19 years agodegree(), ldegree(), coeff(), lcoeff(), tcoeff() and collect() can now
Christian Bauer [Mon, 2 Apr 2001 20:57:32 +0000 (20:57 +0000)]
degree(), ldegree(), coeff(), lcoeff(), tcoeff() and collect() can now
be used with constants and indexed expressions as well, so you can use
it to collect by powers of Pi or find the coefficient of gamma~0.
Limitations:
 - it only works with symbols, constants and indexed expressions;
   trying to find the coefficient of, e.g., "x^2" or "x+y" won't work
 - it does not know about dummy index summations; the coefficient of
   gamma~0 in p.mu*gamma~mu should be p.0 but is returned as 0
 - using the functions on elements of noncommutative products might
   return wrong or surprising results

19 years agothe unsigned number 128 was stored incorrectly (0x80 instead of 0x80 0x01)
Christian Bauer [Fri, 30 Mar 2001 21:11:04 +0000 (21:11 +0000)]
the unsigned number 128 was stored incorrectly (0x80 instead of 0x80 0x01)

19 years ago- added Clifford contractions:
Christian Bauer [Fri, 30 Mar 2001 18:14:32 +0000 (18:14 +0000)]
- added Clifford contractions:
   gamma~mu*gamma~alpha*gamma~beta*gamma.mu
   gamma~mu*gamma~alpha*gamma~beta*gamma~delta*gamma.mu
- detection of free indices of the complete product in
  simplify_indexed_product() could go wrong if contractions resulted in
  composite expressions

19 years ago- dummy index recognition in products was flawed: A.i.i*B.j.j would be
Christian Bauer [Fri, 30 Mar 2001 17:34:35 +0000 (17:34 +0000)]
- dummy index recognition in products was flawed: A.i.i*B.j.j would be
  treated as a scalar product of A and B, A.j.j.i.i*B.k.l would be 0
  if A was symmetric and B antisymmetric etc.
- removed redundant code for handling d.akl*f.akl contraction; this is
  handled by simplify_indexed() itself since it is a contraction of a
  symmetric with an antisymmetric tensor

19 years agoadded checks for bugs in GiNaC 0.8.0
Christian Bauer [Fri, 30 Mar 2001 17:32:02 +0000 (17:32 +0000)]
added checks for bugs in GiNaC 0.8.0

19 years agoadded checks for color objects
Christian Bauer [Thu, 29 Mar 2001 20:56:45 +0000 (20:56 +0000)]
added checks for color objects

19 years ago- added Clifford algebra unity element
Christian Bauer [Thu, 29 Mar 2001 20:56:32 +0000 (20:56 +0000)]
- added Clifford algebra unity element
- superfluous unity elements are removed from Clifford and color strings
- added Clifford contractions:
    gamma~mu*gamma.mu
    gamma~mu*gamma~alpha*gamma.mu
- added color contractions:
    d.aac
    d.abc*d.abc
    d.akl*d.bkl
    d.abc*f.abc
    d.akl*f.bkl
    f.abc*f.abc
    f.akl*f.bkl
- delta tensor and color structure constants can be evaluated numerically
- color_T(), color_d() and color_f() check their arguments
- added a couple of utility functions to idx.*
- simplify_indexed() doesn't crash any more when used on expressions containing
  noncommutative products

19 years ago- introduced macros to shorten the source files
Christian Bauer [Thu, 29 Mar 2001 20:48:17 +0000 (20:48 +0000)]
- introduced macros to shorten the source files
- added exam_color()

19 years agoskeleton implementation of new color class
Christian Bauer [Wed, 28 Mar 2001 01:25:32 +0000 (01:25 +0000)]
skeleton implementation of new color class

19 years agorestored deleted files
Christian Bauer [Wed, 28 Mar 2001 01:21:43 +0000 (01:21 +0000)]
restored deleted files

19 years ago- added skeleton implementation of color and clifford classes (don't bother
Christian Bauer [Wed, 28 Mar 2001 00:36:37 +0000 (00:36 +0000)]
- added skeleton implementation of color and clifford classes (don't bother
  trying it, it doesn't work yet)
- some macros in utils.h (DEFAULT_*) provide shorthands for implementing
  many required class member functions

19 years agocontraction of symmetric with antisymmetric tensor over more than one index
Christian Bauer [Tue, 27 Mar 2001 18:17:25 +0000 (18:17 +0000)]
contraction of symmetric with antisymmetric tensor over more than one index
is zero

19 years agoadded check for contraction of epsilon with symmetric tensor
Christian Bauer [Tue, 27 Mar 2001 18:17:06 +0000 (18:17 +0000)]
added check for contraction of epsilon with symmetric tensor

19 years ago* Documented sqrfree. release_0-8-0
Richard Kreckel [Sat, 24 Mar 2001 22:09:41 +0000 (22:09 +0000)]
* Documented sqrfree.

19 years ago* Date inserted.
Richard Kreckel [Sat, 24 Mar 2001 22:09:30 +0000 (22:09 +0000)]
* Date inserted.

19 years ago* Tidied some old crap.
Richard Kreckel [Fri, 23 Mar 2001 19:27:20 +0000 (19:27 +0000)]
* Tidied some old crap.

19 years agofixed memory leaks in lst_to_matrix() and diag_matrix()
Christian Bauer [Fri, 23 Mar 2001 18:36:41 +0000 (18:36 +0000)]
fixed memory leaks in lst_to_matrix() and diag_matrix()

19 years agolst_to_matrix() takes a "lst &" instead of an "ex &"
Christian Bauer [Fri, 23 Mar 2001 17:50:01 +0000 (17:50 +0000)]
lst_to_matrix() takes a "lst &" instead of an "ex &"

19 years ago- simplify_indexed() simplifies c*(M).i.j -> (M').i.j (c: numeric, M: matrix)
Christian Bauer [Fri, 23 Mar 2001 17:49:54 +0000 (17:49 +0000)]
- simplify_indexed() simplifies c*(M).i.j -> (M').i.j (c: numeric, M: matrix)
  with M'=c*M
- new member function matrix::mul(const numeric &other) to multiply matrix
  with scalar
- lst_to_matrix() takes a "lst &" instead of an "ex &"
- added constructor of matrix from flat list
- added function diag_matrix() to construct matrix from list of diagonal
  elements

19 years agosimplify_indexed() recognizes linear combinations of matrices with numeric
Christian Bauer [Fri, 23 Mar 2001 17:46:44 +0000 (17:46 +0000)]
simplify_indexed() recognizes linear combinations of matrices with numeric
coefficients

19 years agoused new diag_matrix() and matrix from lst constructor
Christian Bauer [Fri, 23 Mar 2001 17:46:12 +0000 (17:46 +0000)]
used new diag_matrix() and matrix from lst constructor

19 years agodocumentation update
Christian Bauer [Fri, 23 Mar 2001 17:45:59 +0000 (17:45 +0000)]
documentation update

19 years ago* Eliminated overloaded operator% for noncommunistic objects for good.
Richard Kreckel [Thu, 22 Mar 2001 21:24:32 +0000 (21:24 +0000)]
* Eliminated overloaded operator% for noncommunistic objects for good.
  End of story.  There was just too much risk involved in somebody not
  caring enough whether there are noncommutatating objects inside
  expressions to be multiplied and it could potentially end up in people
  using operator% instead of operator* all the time, just to be safe.
  In any case, it was our firm believe that noncommutatividity is a
  property of the class objects belong to and hence of the objects and
  not at all of the sign to symbol the object (as Maple, Reduce and others
  want to make us believe).  Finally we found out how to code operator*
  so that it handles both cases without any performance loss.  It couldn't
  be less intrusive!  There is no measurable performance degradation.
  (Except perhaps for the tgamma-expansion which seems to show some 3%
  loss while others mysteriously become somewhat faster -- my brain is
  melting.)  Enough, now...

19 years ago* configure.in, cint/run_exams.cpp, cint/ginaccint.cpp: adjusted the
Richard Kreckel [Thu, 22 Mar 2001 20:09:25 +0000 (20:09 +0000)]
* configure.in, cint/run_exams.cpp, cint/ginaccint.cpp: adjusted the
  --with-cint logic so ginaccint may run without a preset $CINTSYSDIR
  (in case of a clean system-wide installation as opposed to the tool-
  centric installation).  cint/Makefile.makecint generation does not
  yet work in this case, makecint needs a tiny upstream bugfix.

19 years ago* INSTALL: reflect Cint status.
Richard Kreckel [Thu, 22 Mar 2001 20:09:22 +0000 (20:09 +0000)]
* INSTALL: reflect Cint status.
* configure.in, cint/run_exams.cpp, cint/ginaccint.cpp: adjusted the
  --with-cint logic so ginaccint may run without a preset $CINTSYSDIR
  (in case of a clean system-wide installation as opposed to the tool-
  centric installation).  cint/Makefile.makecint generation does not
  yet work in this case, makecint needs a tiny upstream bugfix.

19 years agosums of indexed matrices are now possible
Christian Bauer [Thu, 22 Mar 2001 18:52:08 +0000 (18:52 +0000)]
sums of indexed matrices are now possible

19 years agoadded another relativistic electrodynamics check (energy density and Poynting
Christian Bauer [Thu, 22 Mar 2001 18:51:48 +0000 (18:51 +0000)]
added another relativistic electrodynamics check (energy density and Poynting
vector)

19 years agobumped version number to 0.8.0
Christian Bauer [Thu, 22 Mar 2001 18:51:15 +0000 (18:51 +0000)]
bumped version number to 0.8.0

19 years ago* tensdelta is an atomic class.
Richard Kreckel [Wed, 21 Mar 2001 21:07:29 +0000 (21:07 +0000)]
* tensdelta is an atomic class.

19 years ago- the tensor returned by metric_tensor() is symmetric
Christian Bauer [Wed, 21 Mar 2001 21:03:05 +0000 (21:03 +0000)]
- the tensor returned by metric_tensor() is symmetric
- (c*x)~mu with c being a number automatically gets converted to c*x~mu

19 years agothe tensor returned by metric_tensor() is symmetric
Christian Bauer [Wed, 21 Mar 2001 21:01:58 +0000 (21:01 +0000)]
the tensor returned by metric_tensor() is symmetric

19 years ago* Adjusted to current class shuffling.
Richard Kreckel [Tue, 20 Mar 2001 21:27:13 +0000 (21:27 +0000)]
* Adjusted to current class shuffling.

19 years agoadded tutorial section about indexed objects
Christian Bauer [Mon, 19 Mar 2001 18:42:39 +0000 (18:42 +0000)]
added tutorial section about indexed objects

19 years agoan indexed "0" is just a plain "0"
Christian Bauer [Fri, 16 Mar 2001 18:08:48 +0000 (18:08 +0000)]
an indexed "0" is just a plain "0"

19 years ago* Exam some simple square free factorizations.
Richard Kreckel [Thu, 15 Mar 2001 21:10:48 +0000 (21:10 +0000)]
* Exam some simple square free factorizations.

19 years ago* added missing std::
Richard Kreckel [Thu, 15 Mar 2001 20:42:14 +0000 (20:42 +0000)]
* added missing std::

19 years ago* add missing std::.
Richard Kreckel [Wed, 14 Mar 2001 23:09:51 +0000 (23:09 +0000)]
* add missing std::.

19 years agoadded checks involving epsilon tensor
Christian Bauer [Wed, 14 Mar 2001 23:05:38 +0000 (23:05 +0000)]
added checks involving epsilon tensor

19 years agoadded predefined epsilon tensor
Christian Bauer [Wed, 14 Mar 2001 23:05:10 +0000 (23:05 +0000)]
added predefined epsilon tensor

19 years agodocumentation update
Christian Bauer [Wed, 14 Mar 2001 23:01:06 +0000 (23:01 +0000)]
documentation update

19 years ago* ex.h: add docu.
Richard Kreckel [Wed, 14 Mar 2001 21:31:28 +0000 (21:31 +0000)]
* ex.h: add docu.
* normal.cpp: make sqrfree_yun() static.
* basic.cpp (compare): slightly clarify syntax.

19 years agofix stupid memory problem.
Richard Kreckel [Wed, 14 Mar 2001 21:30:16 +0000 (21:30 +0000)]
fix stupid memory problem.

19 years agonormal.cpp, normal.h: Fix Yun's algorithm (there was a mistake in Geddes et
Richard Kreckel [Sun, 11 Mar 2001 19:10:03 +0000 (19:10 +0000)]
normal.cpp, normal.h: Fix Yun's algorithm (there was a mistake in Geddes et
al.) for square-free factorization.  Also change the syntax to allow for
square-free factoring in a recursive way in Q[X].  This is an example how it
works in Z[x,y,z] in ginsh:
> ?sqrfree
sqrfree(expression [, symbol-list]) - square-free factorization of a polynomial
> sqrfree(expand((x+y)*(x+y+z)^2*(y-z)^3));
(x+y)*(-x-y-z)^2*(y^3+3*y*z^2-3*y^2*z-z^3)
> sqrfree(expand((x+y)*(x+y+z)^2*(y-z)^3),[y]);
(x+y)*(y-z)^3*(x+y+z)^2
> sqrfree(expand((x+y)*(x+y+z)^2*(y-z)^3),[z]);
(x+y)*(y-z)^3*(x+y+z)^2
> sqrfree(expand((x+y)*(x+y+z)^2*(y-z)^3),[x]);
(x+y)*(-x-y-z)^2*(y^3+3*y*z^2-3*y^2*z-z^3)
> sqrfree(expand((x+y)*(x+y+z)^2*(y-z)^3),[x,y]);
(x+y)*(-x-y-z)^2*(y^3+3*y*z^2-3*y^2*z-z^3)
> sqrfree(expand((x+y)*(x+y+z)^2*(y-z)^3),[x,y,z]);
(x+y)*(-x-y-z)^2*(y^3+3*y*z^2-3*y^2*z-z^3)
> sqrfree(expand((x+y)*(x+y+z)^2*(y-z)^3),[v]);
3*x*y^5+3*x^2*y^4+x^3*y^3+y^6-y*z^5-2*y^4*z^2+y^2*z^4-y^5*z+2*y^3*z^3-3*x^3*y^2*z+3*x^3*y*z^2-5*x*y^4*z-x*y*z^4+3*x^2*y*z^3+6*x*y^2*z^3+3*x^2*y^2*z^2-2*x*y^3*z^2-7*x^2*y^3*z-x^3*z^3-2*x^2*z^4-x*z^5

19 years agofixed major memory leak in mul::expand()
Christian Bauer [Sat, 10 Mar 2001 04:07:15 +0000 (04:07 +0000)]
fixed major memory leak in mul::expand()

19 years ago- lcm_of_coefficients_denominators(1/2+x^10) returned 1024 instead of 2 and
Christian Bauer [Fri, 9 Mar 2001 22:21:35 +0000 (22:21 +0000)]
- lcm_of_coefficients_denominators(1/2+x^10) returned 1024 instead of 2 and
  multiply_lcm() on that expression barfed
- contract_with() now takes two exvector::iterators and and exvector; this
  makes it possible to look for more contractions in the implementation

19 years ago- revamped indexed objects
Christian Bauer [Tue, 6 Mar 2001 20:07:16 +0000 (20:07 +0000)]
- revamped indexed objects
- subs() works on matrices

19 years agoadded checks for new indexed objects
Christian Bauer [Tue, 6 Mar 2001 20:06:38 +0000 (20:06 +0000)]
added checks for new indexed objects

19 years agodocumentation update
Christian Bauer [Tue, 6 Mar 2001 20:05:57 +0000 (20:05 +0000)]
documentation update

19 years agoremoved obsolete files
Christian Bauer [Tue, 6 Mar 2001 20:05:24 +0000 (20:05 +0000)]
removed obsolete files

19 years ago* New funny timing added: compute an antipode in Yukawa theory.
Richard Kreckel [Mon, 5 Mar 2001 20:02:00 +0000 (20:02 +0000)]
* New funny timing added: compute an antipode in Yukawa theory.

19 years ago* ginac/pseries.cpp (pseries::compare_same_type): optimized.
Richard Kreckel [Thu, 1 Mar 2001 19:54:50 +0000 (19:54 +0000)]
* ginac/pseries.cpp (pseries::compare_same_type): optimized.

19 years ago* This is a deliberately silly commit. release_0-7-3
Richard Kreckel [Wed, 28 Feb 2001 23:30:45 +0000 (23:30 +0000)]
* This is a deliberately silly commit.

19 years ago* Really make those macros work...
Richard Kreckel [Wed, 28 Feb 2001 23:30:28 +0000 (23:30 +0000)]
* Really make those macros work...

19 years agoupdated to "autogen.sh Professional"
Christian Bauer [Wed, 28 Feb 2001 20:02:24 +0000 (20:02 +0000)]
updated to "autogen.sh Professional"

19 years ago* ginac/registrar.h: dtor is inlined now.
Richard Kreckel [Wed, 28 Feb 2001 15:54:52 +0000 (15:54 +0000)]
* ginac/registrar.h: dtor is inlined now.
* ginac/basic.h, ginac/ex.h: removed INLINE_FOO_CONSTRUCTORS and hand-inlined
  stuff instead, since the macros turned out to get in the way while
  fine-tuning the inlining.
* ginac/utils.h: if 'long long' works, use that one for computing the hash
  value instead of floating point tricks.  2 Reasons: on Intel the assembler
  is terrible and slow otherwise, 'long long' will appear in C++ anyways when
  they adapt to the C99 standard.
* Several other small performance tweaks.
* ginac/constant.cpp: (constant::calchash()) implement, caring for serial.
* ginac/function.pl (function::calchash()): implement, caring for serial.
* ginac/expairseq.cpp: honor coeff's hash value.
* ginac/pseries.cpp: (pseries::power_const()) fix problems with zero pseries.
* Added several pounds of in-source documentation in doxygen style.

19 years ago* Tweak around problem with unexpanded GINAC_DECLARE_REGISTER_CLASS macros.
Richard Kreckel [Wed, 28 Feb 2001 15:54:46 +0000 (15:54 +0000)]
* Tweak around problem with unexpanded GINAC_DECLARE_REGISTER_CLASS macros.

19 years ago* Prepare for landing of version 0.7.3.
Richard Kreckel [Wed, 28 Feb 2001 15:54:23 +0000 (15:54 +0000)]
* Prepare for landing of version 0.7.3.

19 years ago* Macro deobfuscation.
Richard Kreckel [Wed, 28 Feb 2001 15:54:07 +0000 (15:54 +0000)]
* Macro deobfuscation.

19 years ago* some longish timings are now disabled by default.
Richard Kreckel [Wed, 28 Feb 2001 15:53:26 +0000 (15:53 +0000)]
* some longish timings are now disabled by default.
* check/time_lw_M2.cpp: new timing (defaults to disabled)
* check/time_lw_N.cpp: new timing (defaults to disabled)

19 years ago* prepare for landing of version 0.7.3.
Richard Kreckel [Wed, 28 Feb 2001 15:53:15 +0000 (15:53 +0000)]
* prepare for landing of version 0.7.3.

19 years agowhen there are multiple variables with the same maximum degree, the one with
Christian Bauer [Tue, 27 Feb 2001 19:54:38 +0000 (19:54 +0000)]
when there are multiple variables with the same maximum degree, the one with
the least number of terms in the leading coefficient is chosen as the main
variable in GCD computations

19 years ago"return" statement was missing in yyerror()
Christian Bauer [Tue, 27 Feb 2001 19:22:46 +0000 (19:22 +0000)]
"return" statement was missing in yyerror()

19 years agobuilding in separate directory didn't work
Christian Bauer [Tue, 27 Feb 2001 19:21:55 +0000 (19:21 +0000)]
building in separate directory didn't work

19 years ago- g~mu_mu contraction returns Dim for general Lorentz indices and Dim-dimP
Christian Bauer [Wed, 21 Feb 2001 18:40:15 +0000 (18:40 +0000)]
- g~mu_mu contraction returns Dim for general Lorentz indices and Dim-dimP
  for orthogonal-only indices

19 years agodocumentation update
Christian Bauer [Tue, 20 Feb 2001 21:55:10 +0000 (21:55 +0000)]
documentation update

19 years agoadded a section about adding new algebraic classes to GiNaC
Christian Bauer [Tue, 20 Feb 2001 21:54:56 +0000 (21:54 +0000)]
added a section about adding new algebraic classes to GiNaC

19 years agoFix two leaks in class pseries, where zero terms could have been created.
Richard Kreckel [Mon, 19 Feb 2001 14:19:01 +0000 (14:19 +0000)]
Fix two leaks in class pseries, where zero terms could have been created.

19 years agois_(ex_)(exactly_)of_type: macros fixed, simplfied and documented.
Richard Kreckel [Sun, 18 Feb 2001 19:21:22 +0000 (19:21 +0000)]
is_(ex_)(exactly_)of_type: macros fixed, simplfied and documented.

19 years agopseries::expand(): do not generate zero terms. release_0-7-2
Richard Kreckel [Sat, 17 Feb 2001 21:07:08 +0000 (21:07 +0000)]
pseries::expand(): do not generate zero terms.
pseries::print(): print trivial case, too.
others: documentation updates.

19 years agoFix typos.
Richard Kreckel [Sat, 17 Feb 2001 21:06:25 +0000 (21:06 +0000)]
Fix typos.

19 years agoMinor fixes.
Richard Kreckel [Sat, 17 Feb 2001 21:06:17 +0000 (21:06 +0000)]
Minor fixes.

19 years agoReflect version number 0.7.2 and update Cint status.
Richard Kreckel [Sat, 17 Feb 2001 21:06:07 +0000 (21:06 +0000)]
Reflect version number 0.7.2 and update Cint status.

19 years agoGINAC_DECLARE_REGISTERED_CLASS declares duplicate() and compare_same_type(),
Christian Bauer [Fri, 16 Feb 2001 20:25:47 +0000 (20:25 +0000)]
GINAC_DECLARE_REGISTERED_CLASS declares duplicate() and compare_same_type(),
GINAC_IMPLEMENT_REGISTERED_CLASS implements duplicate()