documentation update

[ginac.git] / NEWS

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 This file records noteworthy changes.
 
+1.0.12 (<date>)
+* Fixed a bug in power::expand() that could produce invalid exressions.
+* The input parser no longer ignores extra data following accepted input.
+
+1.0.11 (18 September 2002)
+* Fixed a possible memory corruption in contractions of indexed objects with
+  delta or metric tensors.
+* Computing the derivative of a power series object with respect to a symbol
+  that is not the expansion variable now works correctly.
+* Several bugfixes in code generation.
+
+1.0.10 (24 July 2002)
+* Powers of indexed objects are now parenthesized correctly in LaTeX output.
+* Input parser handles indices (they have to be specified in the same list
+  as the symbols).
+* Added some limited support for subspaces in the idx and tensor classes.
+* Fixed a bug in canonicalize() (antisymmetric canonicalization of an already
+  sorted list containing two or more equal objects failed to return 0).
+
 1.0.9 (11 June 2002)
 * simplify_indexed() now raises/lowers dummy indices to canonicalize the index
   variance. This allows some simplifications that weren't possible before,