From: Jens Vollinga Date: Thu, 2 Aug 2007 17:54:42 +0000 (+0000) Subject: Updating all changes. X-Git-Tag: release_1-4-0~14 X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=commitdiff_plain;h=85cf0a531dfa2f145e8787775806c46474528821;ds=sidebyside Updating all changes. --- diff --git a/NEWS b/NEWS index cd787bd3..0c713d84 100644 --- a/NEWS +++ b/NEWS @@ -1,10 +1,46 @@ This file records noteworthy changes. 1.4.0 () - -1.3.6 () -* Better worst case behavior in heuristic gcd [Alexei Sheplyakov]. -* ...... +* New tinfo mechanism. +* Removed rtt from class symbol. +* Faster archiving by adding a map from strings to indices in the atoms vector. +* Improved unarchiving: algorithms order N instead of order N^2. +* Added compile function, excompiler class. +* Added exset type. +* Added step function to GiNaCs built-in functions. +* Added is_polynomial() method. +* Added real_part() and imag_part() methods. +* Added matrix::is_zero_matrix() method. +* Added evalm() method to pseries class. +* Improved dummy index renaming. +* Many improvements for class clifford. +* New flag for positive symbols/numbers, added possymbol class. +* Added programming examples in doc/examples + +1.3.8 () +* Drop support of ginac-config and ginac.m4. Please use pkg-config instead. +* atan2(y,x) branch cut correction. +* Fixed bug in series expansion. +* Additional transformations for mul and power. +* Clifford units now honor representation labels. +* Correct csrc output for idx and fderivative. +* Improved handling of convergence transformationis for Li/G. +* Fix compilation issues with prereleases of GCC 4.3. + +1.3.7 (05 February 2007) +* Fixed bug in expansion of power. +* Fixed bugs in functions S() (infinite loop), H() and zeta() (wrong results). +* Rebuilt bison related files with bison version 2.3 (fixes parse error bugs). +* Improved power::eval(). +* Improved libreadline detection. + +1.3.6 (13 December 2006) +* Better worst case behavior in heuristic gcd. +* Improved collecting for sparse multivariate polynomials. +* Improved collect_common_factors. +* Fixed bug in numerical evaluation of multiple polylogs. +* Fixed numerical integration of complex functions. +* Fixed bug in tensor::replace_contr_index(). 1.3.5 (17 August 2006) * Re-built bison related files that caused bugs with gcc 4.