February 2012 - GiNaC-devel

[SCM] GiNaC -- a C++ library for symbolic computations branch, master, updated. release_1-4-0-371-g05b3a16
by git＠ginac.de 28 Feb '12

28 Feb '12

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 05b3a16973aad40a9c17ee0f0bd06b02ac4706ef (commit) from 4077d8b144e2e5f3db75cf95fbb590981b2eb8d4 (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 05b3a16973aad40a9c17ee0f0bd06b02ac4706ef Author: Alexei Sheplyakov <Alexei.Sheplyakov(a)gmail.com> Date: Tue Feb 28 16:12:56 2012 +0200 [BUGFIX] numeric::info(nonnegative): correctly handle complex numbers. numeric::info(info_flags::nonnegative) returns true for an arbitrary complex number with non-zero imaginary part. Thanks to Burcin Erocal for reporting. ----------------------------------------------------------------------- Summary of changes: check/exam_numeric.cpp | 5 +++++ ginac/numeric.cpp | 2 +- 2 files changed, 6 insertions(+), 1 deletions(-) hooks/post-receive -- GiNaC -- a C++ library for symbolic computations

2 1

abs evaluation bug
by Burcin Erocal 28 Feb '12

28 Feb '12

Hi, automatic evaluation of the abs() function returns wrong results: ginsh - GiNaC Interactive Shell (ginac V1.5.8) __, _______ Copyright (C) 1999-2010 Johannes Gutenberg University Mainz, (__) * | Germany. This is free software with ABSOLUTELY NO WARRANTY. ._) i N a C | You are welcome to redistribute it under certain conditions. <-------------' For details type `warranty;'. Type ?? for a list of help topics. > abs(Pi+I); I+Pi abs_eval() thinks that I + Pi is nonnegative, since numeric::is_negative() returns false for complex numbers: http://www.ginac.de/ginac.git?p=ginac.git;a=blob;f=ginac/numeric.cpp;h=f057… Any suggestions for a fix? Would it be acceptable to raise an error when comparing complex numbers? This was reported to Sage: http://trac.sagemath.org/sage_trac/ticket/11155 Cheers, Burcin

2 1

[SCM] GiNaC -- a C++ library for symbolic computations branch, master, updated. release_1-4-0-370-g4077d8b
by git＠ginac.de 23 Feb '12

23 Feb '12

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 4077d8b144e2e5f3db75cf95fbb590981b2eb8d4 (commit) via bf6c511306f357fdb4df8307c5cb6afa508e2e5d (commit) via 4ec372a00b1a13e6374ce880cbd68c2e14114dad (commit) via 5146d1bd6eb0a93d6033c1a9b33b643c5faf15a6 (commit) from 012ea7fa628fe97e72469af6b6703515eee24d3a (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 4077d8b144e2e5f3db75cf95fbb590981b2eb8d4 Merge: 012ea7fa628fe97e72469af6b6703515eee24d3a bf6c511306f357fdb4df8307c5cb6afa508e2e5d Author: Alexei Sheplyakov <Alexei.Sheplyakov(a)gmail.com> Date: Thu Feb 23 17:44:00 2012 +0200 Merge branch 'master' of git://github.com/AlexeiSheplyakov/GiNaC commit bf6c511306f357fdb4df8307c5cb6afa508e2e5d Author: Alexei Sheplyakov <Alexei.Sheplyakov(a)gmail.com> Date: Thu Mar 3 23:16:34 2011 +0200 [docs] Update the supported platforms/compilers list. commit 4ec372a00b1a13e6374ce880cbd68c2e14114dad Author: Alexei Sheplyakov <Alexei.Sheplyakov(a)gmail.com> Date: Sat Feb 26 10:39:29 2011 +0200 Parser: don't bother to generate 3 (C++) functions with autogen. commit 5146d1bd6eb0a93d6033c1a9b33b643c5faf15a6 Author: Alexei Sheplyakov <Alexei.Sheplyakov(a)gmail.com> Date: Wed Feb 9 07:48:08 2011 +0200 [trivia] Fix a typo in the GCD testcase. ----------------------------------------------------------------------- Summary of changes: hooks/post-receive -- GiNaC -- a C++ library for symbolic computations

1 0

[SCM] GiNaC -- a C++ library for symbolic computations branch, master, updated. release_1-4-0-366-g012ea7f
by git＠ginac.de 23 Feb '12

23 Feb '12

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 012ea7fa628fe97e72469af6b6703515eee24d3a (commit) from a104ecb34a015fc40a4bdc16ae6ea038ecb8c55d (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 012ea7fa628fe97e72469af6b6703515eee24d3a Author: Alexei Sheplyakov <Alexei.Sheplyakov(a)gmail.com> Date: Thu Feb 23 15:16:55 2012 +0200 configure: correctly set rpath for linking with CLN ... ... as to not break tests for libreadline and dlopen(). Problem: When using GCC 4.6 the configure script fails to find libreadline and libdl, although both libraries are definitely installed. See http://www.ginac.de/pipermail/ginac-list/2012-January/001868.html for more details. Reason: Apparently GCC 4.6 dislikes the -R/the/path switch (libtool way to say -Wl,-rpath,/the/path in a cross platform manner). Previous versions of GCC used to ignore the -R switch, however, GCC 4.6 errors out instead. Thus the configure script fails to detect readline and dlopen. Solution: Set the rpath (for linking with CLN) using the compiler friendly syntax (i.e. -Wl,-rpath -Wl,/the/path instead of -R/the/path). ----------------------------------------------------------------------- Summary of changes: configure.ac | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) hooks/post-receive -- GiNaC -- a C++ library for symbolic computations

1 0