Finalize 1.6.7 release.

[ginac.git] / NEWS

diff --git a/NEWS b/NEWS
index c9399c3c14c42b8b8342152a5e00feb5d37c51b2..1f7f2efb2e179828d6bedf34a5a1bbdfd05a01e3 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,26 @@
 This file records noteworthy changes.
 
+1.6.7 (29 February 2016)
+* Fix elusive bug in sqrfree(), normal(), numer(), and denom().
+
+1.6.6 (20 December 2015)
+* Fix elusive bug in add::eval().
+* Several minor performance enhancements.
+
+1.6.5 (27 July 2015)
+* Fix pow(+(...),2).expand() where the sum contained roots of expressions.
+* Speed-up pow(+(...),n).expand() where n > 3.
+* Fix a crash in PolyLogs of rational numbers.
+
+1.6.4 (8 May 2015)
+* Fix pow(+(...),2).expand() where the sum contained roots of rationals.
+* Various improvements for info(info_flags::nonnegative).
+* Make power::expand() (x*p)^c -> x^c * p^c, if p>0.
+* Fix normal() where nested functions occur multiple times.
+* Add optional explicit derivatives to functions and use it in abs(),
+  imag_part(), real_part().
+* Evaluate abs(z)^(2n) -> z^n * conjugate(z)^n.
+
 1.6.3 (27 November 2014)
 * New expand_options::expand_transcendental. GiNaC will apply additional
   rules when expanding expressions if this option is specified, i.e.