X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=NEWS;h=b247fd55d5f840448c62638605dd6fe6d2819083;hp=0824232ae0651befc14547b75e65a33715549406;hb=6f0f98bfdbe19376536f058f41309e2fcd87df57;hpb=61434b009f39c40ea85ae7bb4ec14d8d203e2a85 diff --git a/NEWS b/NEWS index 0824232a..b247fd55 100644 --- a/NEWS +++ b/NEWS @@ -1,10 +1,29 @@ This file records noteworthy changes. -0.6.0 (...) -* Important interface changes: - gamma() -> Gamma() - EulerGamma -> gamma - beta() -> Beta() +0.6.1 (18 May 2000) +* Cleanup in the interface to Cint. The required version is now Cint 5.14.38. +* Several bugfixes in target install. + +0.6.0 (11 May 2000) +* IMPORTANT: Several interface changes make programs written with GiNaC + much clearer but break compatibility with older versions: + - f(x).series(x,p[,o]) -> f(x).series(x==p,o) + - series(f(x),x,p[,o]) -> series(f(x),x==p,o) + - gamma() -> tgamma() (The true Gamma function, there is now also + log(tgamma()), called lgamma(), in accord with ISO/IEC 9899:1999.) + - EulerGamma -> Euler +* #include'ing ginac.h defines the preprocessor symbols GINACLIB_MAJOR_VERSION, + GINACLIB_MINOR_VERSION, and GINACLIB_MICRO_VERSION with the respective GiNaC + library version numbers. +* Expressions can be constructed from strings like this: + ex e("2*x+y", lst(x, y)); +* ex::to_rational() provides a way to extend the domain of functions like + gcd() and divide() that only work on polynomials or rational functions (the + good old ex::subs() method reverses this process) +* Calling diff() on a function that has no derivative defined returns the + inert derivative function "Derivative". +* Several new timings in the check target. Some of them may be rather rude + at your machine, feel free to interrupt them. 0.5.4 (15 March 2000) * Some algorithms in class matrix (notably determinant) were replaced by