Preparing for release 1.5.7.

[ginac.git] / NEWS

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 This file records noteworthy changes.
 
 This file records noteworthy changes.
 

+1.5.7 (29 March 2010)
+* Fixed a bug in the GCD code (infinite loop in pgcd()).
+* Fixed a bug in atan2() (division by zero error for atan2(x,0) if x is a
+  negative and composite term).
+* Products now correctly set info_flags::negative and info_flags::negint.
+

 1.5.6 (28 January 2010)
 * Fixed compile problem with gcc 3.4.
 * Improved excompiler: The ginac-excompiler script will only be installed if
 1.5.6 (28 January 2010)
 * Fixed compile problem with gcc 3.4.
 * Improved excompiler: The ginac-excompiler script will only be installed if