X-Git-Url: https://ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=NEWS;h=0a37b6ec0f0db5e0bf96009ab6d80bd2319619e5;hb=7e268ccc7dc68f4e1ca3452f95951b9e8a76f03e;hp=fba9480f673558b284084b4eed85e2651145624e;hpb=90cec97dc7de15159ce50bbcc95fdff5179bad48;p=ginac.git diff --git a/NEWS b/NEWS index fba9480f..0a37b6ec 100644 --- a/NEWS +++ b/NEWS @@ -1,6 +1,73 @@ This file records noteworthy changes. -1.7.0 (TDB) +1.8.0 (14 October 2020) +* New routines for the numerical evaluation of iterated integrals like + elliptic multiple polylogarithms or iterated integrals of modular forms. +* Stronger normalization methods for expressions with powers. Where this + is safe, GiNaC now tries replacing various kinds of powers in order to + find and cancel common subexpressions. +* Improved CMake build. + +1.7.11 (3 August 2020) +* Fix elusive bugs in factor() and in expand(). + +1.7.10 (28 June 2020) +* Fix collect_common_factors() for hidden zero arguments. +* Fix build on modern systems (C++20 and Python3). + +1.7.9 (11 April 2020) +* Fix unarchiving of overloaded functions. +* Fix MinGW64 build. + +1.7.8 (7 October 2019) +* Fix pseries::evalf(), broken since 1.7.0. +* Fix a corner-case bug in H_evalf(). + +1.7.7 (22 September 2019) +* Fix unarchiving empty containers. +* Remove obsolete exhashmap implementation. +* Fix issues with zeta computation. +* Build with Python3. + +1.7.6 (22 April 2019) +* Fix a bug in mul::series() about asymptotic order term. +* Fix cl_N code generation for small negative integers. +* Fix multiple polylog computation related to trailing zeros and user-specified + signs for small imaginary parts. +* Fix CMake build with Python3. + +1.7.5 (17 February 2019) +* Add Markowitz-ordered Gaussian eliminatin. +* Avoid un-normal zeros in matrix::solve(). +* Accept exprseq arguments in lsolve(eqns, vars). +* Add overload of matrix::rank(solve_algo). +* Fix case in G_do_hoelder with real x values which are not cl_R. +* Fix an elusive bug in expairseq/add ctor, introduced in 1.7.0. + +1.7.4 (19 February 2018) +* Fix ABI compatibility with 1.7.[0-2] (broken unintentionally in 1.7.3). + +1.7.3 (1 February 2018) +* Speed up some corner cases of polynomial factorization. +* Speed up some corner cases of gcd computation. +* Speed up factorization of pre-factored polynomials. +* Make matrix::solve() work with hidden (non-normal) zeros. +* Fix bug in evaluation of real and imaginary parts of powers. +* Fix some LaTeX output, add new function symbol::get_TeX_name(). + +1.7.2 (10 January 2017) +* Fix memory leak in operators returning relationals, introduced in 1.7.0. +* Make macro GINAC_DECLARE_REGISTERED_CLASS() work outside namespace GiNaC. +* Fix some build issues. + +1.7.1 (2 October 2016) +* Fix crash in basic::subs(), visible in classes which don't override it. +* Fix convergence failure in Li_projection. +* Fix cliffor_bar() and clifford_star(). +* Improve performance of clifford_to_lst(). +* Fix compilation issues, reduce compiler warnings. + +1.7.0 (30 April 2016) * Make use of C++11 features: - Use new language features 'auto', 'nullptr', 'constexpr', range-based for loops, the contextual keyword 'override', static 'noexcept' operator, etc.