- GiNaC-devel - ginac.de

[SCM] GiNaC -- a C++ library for symbolic computations branch, c++11, updated. release_1-4-0-525-g319c953
by git＠ginac.de 30 Jan '16

30 Jan '16

This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "GiNaC -- a C++ library for symbolic computations". The branch, c++11 has been updated via 319c9533e12eba2449001c47545e3c3cf48c482f (commit) via 1a59d8a443e6156da26028e4b951c0d4a28b2b0e (commit) via 25b4d894b5b2f7f56fb49e62a7767ab969d5249f (commit) from ed914545e01d60ecf2544e6141d6c5142c01327f (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 319c9533e12eba2449001c47545e3c3cf48c482f Author: Richard Kreckel <kreckel(a)ginac.de> Date: Fri Jan 29 23:45:21 2016 +0100 [C++17] Remove inheritance from std::binary_function, std::unary_function. This inheritance is unneeded since C++11 and the two classes may be removed in C++-17. commit 1a59d8a443e6156da26028e4b951c0d4a28b2b0e Author: Richard Kreckel <kreckel(a)ginac.de> Date: Fri Jan 29 22:57:52 2016 +0100 [C++17] Replace std::bind2nd with a lambda. commit 25b4d894b5b2f7f56fb49e62a7767ab969d5249f Author: Richard Kreckel <kreckel(a)ginac.de> Date: Fri Jan 29 00:11:14 2016 +0100 Remove global variable max_recursion_level. With the removal of the last 'level' parameter, this variable has become obsolete. ----------------------------------------------------------------------- Summary of changes: doc/tutorial/ginac.texi | 6 +++--- ginac/basic.cpp | 3 --- ginac/basic.h | 2 -- ginac/clifford.cpp | 2 +- ginac/ex.h | 8 ++++---- ginac/expair.h | 6 +++--- ginac/hash_map.h | 2 +- ginac/indexed.cpp | 10 ++++++---- ginac/ptr.h | 3 +-- ginac/symmetry.cpp | 4 ++-- 10 files changed, 21 insertions(+), 25 deletions(-) hooks/post-receive -- GiNaC -- a C++ library for symbolic computations

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[SCM] GiNaC -- a C++ library for symbolic computations branch, c++11, updated. release_1-4-0-522-ged91454
by git＠ginac.de 28 Jan '16

28 Jan '16

This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "GiNaC -- a C++ library for symbolic computations". The branch, c++11 has been updated via ed914545e01d60ecf2544e6141d6c5142c01327f (commit) via c12c8ec3c5cf0c75f061f6c52d04206277bbdcca (commit) from f8c2455fbbd34dbbfb72ac96eec0f45fd453bade (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit ed914545e01d60ecf2544e6141d6c5142c01327f Author: Richard Kreckel <kreckel(a)ginac.de> Date: Thu Jan 28 22:45:56 2016 +0100 Remove 'level' argument of normal(). The 'level' argument was modeled after that of the eval() methods (removed in 6c946d4c). It has never been very useful except for confusing developers and it hasn't been documented in the tutorial. Moreover, I have no indication that it has ever been used. commit c12c8ec3c5cf0c75f061f6c52d04206277bbdcca Author: Richard Kreckel <kreckel(a)ginac.de> Date: Thu Jan 28 22:11:46 2016 +0100 Remove 'level' argument of evalf(). The 'level' argument was modeled after that of the eval() methods (removed in 6c946d4c). It has never been very useful except for confusing developers. Moreover, I have no indication that it has ever been used. ----------------------------------------------------------------------- Summary of changes: doc/tutorial/ginac.texi | 4 +-- ginac/add.h | 2 +- ginac/basic.cpp | 16 +++--------- ginac/basic.h | 4 +-- ginac/constant.cpp | 2 +- ginac/constant.h | 2 +- ginac/ex.h | 12 ++++----- ginac/fderivative.cpp | 7 ----- ginac/fderivative.h | 1 - ginac/function.cppy | 9 +++---- ginac/function.hppy | 2 +- ginac/idx.cpp | 2 +- ginac/idx.h | 2 +- ginac/integral.cpp | 20 +++----------- ginac/integral.h | 2 +- ginac/matrix.h | 4 +-- ginac/mul.cpp | 16 +++--------- ginac/mul.h | 4 +-- ginac/normal.cpp | 69 ++++++++++++++++--------------------------------- ginac/numeric.cpp | 4 +-- ginac/numeric.h | 4 +-- ginac/power.cpp | 18 ++++--------- ginac/power.h | 4 +-- ginac/pseries.cpp | 8 +----- ginac/pseries.h | 4 +-- ginac/structure.h | 3 +-- ginac/symbol.h | 4 +-- ginsh/ginsh.1.in | 4 +-- ginsh/ginsh_parser.ypp | 22 +++------------- 29 files changed, 80 insertions(+), 175 deletions(-) hooks/post-receive -- GiNaC -- a C++ library for symbolic computations

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What good are evalf(level) and normal(level)?
by Richard B. Kreckel 06 Jan '16

06 Jan '16

Hi! Three weeks ago I've removed the 'level' argument of the eval() functions (on the C++11 branch). After all, if an object derived from basic is evaluated, it must evaluate its own structure, but not the one of expressions it contains - these are already evaluated. (This had become possible after elusive bugs in the automatic evaluation were fixed.) Now I wonder what the 'level' argument of evalf() and normal() are good for. The situation is slightly less clear than with eval(): After all, it *might* be useful to evalf/normal the expression's top level only without recursing down the directed acyclic graph. The question is: *Is* it a realistic use case to evalf/normal the expression to some level only? I do not see it. If anyone cares for the 'level' argument of evalf and/or normal, please respond and explain what it is used for. Otherwise, the 'level' argument will be removed by the end of this month. (Fact: This removal does not affect any of the regression tests.) All my best, -richy. -- Richard B. Kreckel <http://in.terlu.de/~kreckel/>

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[SCM] GiNaC -- a C++ library for symbolic computations branch, c++11, updated. release_1-4-0-520-gf8c2455
by git＠ginac.de 06 Jan '16

06 Jan '16

This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "GiNaC -- a C++ library for symbolic computations". The branch, c++11 has been updated via f8c2455fbbd34dbbfb72ac96eec0f45fd453bade (commit) from 47ecb72dce5ea9c917d1e1e77863c45a8b2b1bba (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit f8c2455fbbd34dbbfb72ac96eec0f45fd453bade Author: Richard Kreckel <kreckel(a)ginac.de> Date: Wed Jan 6 22:34:23 2016 +0100 Avoid x^0 and Order(x^0) terms together in series expansion. At the branch cut, the series expansions of log(), atan(), and atanh() assembled pseries objects which contained both x^0 and Order(x^0) terms. This patch removes the extra x^0 term if the order is 0. It also adds a GINAC_ASSERT for these kinds of invariants to the pseries ctor and simplifies the loops in pseries' degree(), ldegree(), eval() and evalf() member functions. ----------------------------------------------------------------------- Summary of changes: ginac/inifcns_trans.cpp | 24 ++++++++--- ginac/pseries.cpp | 104 +++++++++++++++++++++++++----------------------- 2 files changed, 73 insertions(+), 55 deletions(-) hooks/post-receive -- GiNaC -- a C++ library for symbolic computations

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[SCM] GiNaC -- a C++ library for symbolic computations branch, c++11, updated. release_1-4-0-519-g47ecb72
by git＠ginac.de 01 Jan '16

01 Jan '16

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[SCM] GiNaC -- a C++ library for symbolic computations branch, master, updated. release_1-4-0-476-g0052e44
by git＠ginac.de 01 Jan '16

01 Jan '16

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Release 1.6.6, etc...
by Richard B. Kreckel 31 Dec '15

31 Dec '15

Hi! GiNaC release 1.6.6 is out and available. These are the changes: * Fix elusive bug in add::eval(). * Several minor performance enhancements. So far for the master branch... In an attempt to curb down the number of warnings when GiNaC is compiled with a C++11 compiler, I created the c++11 branch. It turns out that the new language revision offers solutions for some of the problems for which awkward workarounds had to be introduced previously. As a result, the code on the c++11 branch has started to diverge from that on the master branch. It is not compatible to C++89 / C++03. I intend to merge the c++11 branch back to the master branch somewhen in 2016 and release that as a new major version. (BTW, GCC 6 is supposed to be released in 2016 and will use C++14 by default.) Until then, it is probably pointless to commit anything than a real bugfix to the master branch (which might then be released as version 1.6.7). Any other patches are very welcome, but they should be based on the c++11 branch, please. Nuff said. Back to hacking... -richard.

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Two micro patches
by Vladimir V. Kisil 24 Dec '15

24 Dec '15

Dear Richard, It is nice to see that GiNaC received a serious revision. It also inspires some further contributions: I am attaching two small patches. All the best season wishes, Vladimir -- Vladimir V. Kisil http://www.maths.leeds.ac.uk/~kisilv/ Book: Geometry of Mobius Transformations http://goo.gl/EaG2Vu Software: Geometry of cycles http://moebinv.sourceforge.net/

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[SCM] GiNaC -- a C++ library for symbolic computations branch, c++11, updated. release_1-4-0-513-g94719f5
by git＠ginac.de 23 Dec '15

23 Dec '15

This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "GiNaC -- a C++ library for symbolic computations". The branch, c++11 has been updated via 94719f5adbfa69fed0023284811da9d749ddf9f1 (commit) from 640c8980ed3f00e985ffb4810b3c75a9b8106ba9 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 94719f5adbfa69fed0023284811da9d749ddf9f1 Author: Richard Kreckel <kreckel(a)ginac.de> Date: Sun Dec 20 17:56:09 2015 +0100 Remove reference to ftpthep.physik.uni-mainz.de. Higgs is down, alas... ----------------------------------------------------------------------- Summary of changes: GiNaC.spec.in | 2 +- INSTALL | 2 +- README | 3 --- doc/tutorial/ginac.texi | 8 ++++---- 4 files changed, 6 insertions(+), 9 deletions(-) hooks/post-receive -- GiNaC -- a C++ library for symbolic computations

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[SCM] GiNaC -- a C++ library for symbolic computations branch, master, updated. release_1-4-0-475-g2c39a40
by git＠ginac.de 23 Dec '15

23 Dec '15

This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "GiNaC -- a C++ library for symbolic computations". The branch, master has been updated via 2c39a401375896bc2a9ee99e65f37d590682bfb1 (commit) via 7df5dc0757b89a25b96d9d56a0671ba99f468e40 (commit) from e0a84a395ab1bf84813eea95fde9c8a361dae9bc (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 2c39a401375896bc2a9ee99e65f37d590682bfb1 Author: Richard Kreckel <kreckel(a)ginac.de> Date: Sun Dec 20 21:29:55 2015 +0100 Finalize 1.6.6 release. commit 7df5dc0757b89a25b96d9d56a0671ba99f468e40 Author: Richard Kreckel <kreckel(a)ginac.de> Date: Sun Dec 20 17:56:09 2015 +0100 Remove reference to ftpthep.physik.uni-mainz.de. Higgs is down, alas... ----------------------------------------------------------------------- Summary of changes: GiNaC.spec.in | 2 +- INSTALL | 2 +- NEWS | 4 ++++ README | 3 --- doc/tutorial/ginac.texi | 8 ++++---- ginac/version.h | 4 ++-- 6 files changed, 12 insertions(+), 11 deletions(-) hooks/post-receive -- GiNaC -- a C++ library for symbolic computations

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