This file records noteworthy changes.
+1.5.0 (<date>)
+* Improved lsolve() of systems containing non-numeric coefficients.
+
+1.4.0 (31 August 2007)
+* 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 (28 August 2007)
+* 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.
+* info_flags::expanded added.
+* input_parser also accepts pow().
+* texinfo.tex removed from package.
+
+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.
+* Fixed bugs in fderivative::match_same_type(), expairseq::match(),
+ expand_dummy_sum(), and expairseq::map().
+* Fixed template specialization for class container to be gcc 4.2 compliant.
+* Output in csrc mode is now -x instead of -1.0*x.
+* Fixed tutorial and reference generation in html/pdf/ps format.
+* Modified autotool configuration to allow for compilation on MinGW.
+* Debian packaging files updated.
+
+1.3.4 (12 April 2006)
+* More general index dimensions are now possible.
+* Improved algebraic substitutions.
+* Fixed wrong matching in .has().
+* Fixed bug in differentiation of a power.
+* collect_common_factors also works with negative powers of common factors now.
+* Code clean-up and preparations for upcoming cln 1.2.
+
+1.3.3 (24 October 2005)
+* Fixed bug occuring in algebraic substitutions with expressions involving
+ indices.
+* Fixed bug that selected the wrong algorithm for determinants of purely
+ numeric matrices with at least one floating point element.
+* Fixed bug in function H that caused an infinite recursion for arguments
+ around +-I.
+* Fixed const-correctness in printing handler for GCC 4.0.2.
+* Made lookup in adaptivesimpson precision-aware.
+* Added series expansion for functions (classical) Li and S around x==0.
+* Added fsolve() numerical univariate real-valued function solver.
+* Added functions sub_matrix() and reduced_matrix().
+* Small cleanups. Less warnings with latest GCC.
+
+1.3.2 (10 July 2005)
+* GCD avoids to produce expanded expressions.
+* Fixed bug in expanding expressions containing dummy indices.
+* Fixed static initialization order bug.
+* collect_common_factors now works with powers.
+* Modernized configuration scripts.
+
1.3.1 (04 May 2005)
* integral() and eval_integ() can be used from ginsh.
* Integrals can be series-expanded.
git://www.ginac.de / ginac.git / blobdiff