- dramatic speedup for characteristic polynomials of numerical matrices.

[ginac.git] / NEWS

diff --git a/NEWS b/NEWS
index 699284cc2b10ab6d4874348c3b439232a4ef7505..9c503db49875bde2b4fa9f0c6f45bbe7c7f1c77c 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -5,12 +5,14 @@ This file records noteworthy changes.
   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() -> Gamma()
-  - EulerGamma -> gamma
-  - beta() -> Beta()
+  - 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.
+* Several new timings in the check target.  Some of them may be rather rude 
+  at your machine.
 
 0.5.4 (15 March 2000)
 * Some algorithms in class matrix (notably determinant) were replaced by