[issue1381] cmath is numerically unsound
report at bugs.python.org
Sat Jan 5 01:25:28 CET 2008
Mark Dickinson added the comment:
Here's an updated patch for cmath, complete with tests and documentation changes.
There's an extra file, Lib/test/cmath.ctest, containing test values for the various functions;
these test values were obtained using MPFR and interval arithmetic, and (modulo bugs) should
all be correctly rounded.
Any feedback would be much appreciated.
Added file: http://bugs.python.org/file9065/cmath3.patch
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