- Derivatives are now assembled in a slightly different manner (i.e. they

[ginac.git] / NEWS

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 This file records noteworthy changes.
 
+0.6.3 (xx July 2000)
+* Derivatives are now assembled in a slightly different manner (i.e. they 
+  'look' different on first sight).  Under certain circumstances this can 
+  result in a dramatic speedup because it gives hashing a better chance, 
+  especially when computing higher derivatives.
+* Many series expansions of built-in functions have been reengineered.
+* The Dilogarithm (Li2) now has floating point evaluation, derivative and a
+  proper series expansion.
+* Namespace 'std' cleanly disentangled, as demanded by ISO/EIC 14882-1998(E).
+
+0.6.2 (21 June 2000)
+* ginaccint.bin is now launched by a binary program instead of by a scripts.
+  This allows us to write #!-scripts.  A small test suite for GiNaC-cint was
+  added.
+* Several minor bugfixes.
+
+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: