Updated changes

[ginac.git] / NEWS

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 This file records noteworthy changes.
 
+1.1.8 (<date>)
+* S(0,p,x) now evaluates numerically.
+
+1.1.7 (11 March 2004)
+* Fixed a bug in canonicalize_clifford().
+* Series expansion now works predictably. All terms with the exponent of the
+  expansion variable smaller than the given order are calculated exactly. If
+  the series is not terminating, the Order function is (at least) of the given
+  order.
+
+1.1.6 (22 January 2004)
+* Added a function option "dummy()" which means "no options". This simplifies
+  the implementation of symbolic functions which are not to be further
+  evaluated.
+* Removed a bug in the numerical evaluation of Li() that caused the system
+  to hang for certain parameter combinations.
+* Fixed a bug in the calculation of hash values for indices that could lead
+  to wrong results or bogus error messages from simplify_indexed().
+* Fixed a bug in the evaluation of harmonic polylogarithms for complex
+  arguments with positive imaginary part.
+
 1.1.5 (5 November 2003)
 * Harmonic polylogarithms now numerically evaluate for arbitrary arguments
   (parameter must still be positive integers).