fixed typo

[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.
+1.0.14 (1 March 2003)
+* Improved the C-source output: complex numbers are printed correctly (using
+  the STL complex<> template or cln::complex()), rational numbers use cl_RA()
+  in the CLN output, and small integers are printed in a more compact format
+  (e.g. "2.0" instead of "2.0000000e+00").
+* function_options::set_return_type() and function_options::do_not_evalf_params()
+  now actually work.
+
+1.0.13 (27 January 2003)
+* Contracting epsilon tensors with Euclidean indices now works.
+* Improved dummy index symmetrization in sums.
+* Added dirac_gammaL/R(), which can be used instead of dirac_gamma6/7()
+  but are single objects, to allow for a more compact notation of Dirac
+  strings.
+* Powers with negative numeric exponents are printed as fractions in the
+  LaTeX output.
+* Added symbolic_matrix() for the convenient creation of matrices filled
+  with symbols.
+* Added collect_common_factors() which collects common factors from the
+  terms of sums.
+* simplify_indexed() converts "gamma~mu*p.mu" to "p\".
+
+1.0.12 (30 October 2002)
+* Fixed a bug in power::expand() that could produce invalid expressions.
 * The input parser no longer ignores extra data following accepted input.
 * Improved the CLN C-source output (integers are printed as integers, and
   floating point numbers include the precision).
+* Fixed a problem in the LaTeX-output of negative fractions.
+* Added print_latex() and print_csrc() to ginsh.
+* The sprem() function is now public.
 
 1.0.11 (18 September 2002)
 * Fixed a possible memory corruption in contractions of indexed objects with