Merged revisions 75275 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r75275 | mark.dickinson | 2009-10-07 20:22:05 +0100 (Wed, 07 Oct 2009) | 6 lines

  Issue #7048: logb should round its result when that result doesn't fit
  into the available precision.  (Tests for this change are included in
  the most recent set of testcases from the Decimal Specification site;
  those testcases will be updated shortly.)
........

2 files changed, 5 insertions, 1 deletions

diff --git a/Lib/decimal.py b/Lib/decimal.py
index 4324430..d589fd7 100644
--- a/Lib/decimal.py
+++ b/Lib/decimal.py
@@ -3083,7 +3083,8 @@ class Decimal(object):
         # otherwise, simply return the adjusted exponent of self, as a
         # Decimal.  Note that no attempt is made to fit the result
         # into the current context.
-        return Decimal(self.adjusted())
+        ans = Decimal(self.adjusted())
+        return ans._fix(context)
 
     def _islogical(self):
         """Return True if self is a logical operand.
diff --git a/Misc/NEWS b/Misc/NEWS
index 53d1721..a1a53a7 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -22,6 +22,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #7048: Force Decimal.logb to round its result when that result
+  is too large to fit in the current precision.
+
 Tests
 -----