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authorMark Dickinson <dickinsm@gmail.com>2010-02-22 15:41:48 (GMT)
committerMark Dickinson <dickinsm@gmail.com>2010-02-22 15:41:48 (GMT)
commit5961b0e35fa6ff73fd420448270fb3143703c59e (patch)
tree48160e18e54b586d36175531e865075ede36021e /Doc/library/decimal.rst
parent7718e5e220c7b226eb62556ec0c4f3dbdaa75e99 (diff)
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Merged revisions 78312 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r78312 | mark.dickinson | 2010-02-22 15:40:28 +0000 (Mon, 22 Feb 2010) | 1 line Clarify description of three-argument pow for Decimal types: the exponent of the result is always 0. ........
Diffstat (limited to 'Doc/library/decimal.rst')
-rw-r--r--Doc/library/decimal.rst9
1 files changed, 6 insertions, 3 deletions
diff --git a/Doc/library/decimal.rst b/Doc/library/decimal.rst
index 7b24205..d10f375 100644
--- a/Doc/library/decimal.rst
+++ b/Doc/library/decimal.rst
@@ -1218,9 +1218,12 @@ In addition to the three supplied contexts, new contexts can be created with the
- at least one of ``x`` or ``y`` must be nonzero
- ``modulo`` must be nonzero and have at most 'precision' digits
- The result of ``Context.power(x, y, modulo)`` is identical to the result
- that would be obtained by computing ``(x**y) % modulo`` with unbounded
- precision, but is computed more efficiently. It is always exact.
+ The value resulting from ``Context.power(x, y, modulo)`` is
+ equal to the value that would be obtained by computing ``(x**y)
+ % modulo`` with unbounded precision, but is computed more
+ efficiently. The exponent of the result is zero, regardless of
+ the exponents of ``x``, ``y`` and ``modulo``. The result is
+ always exact.
.. method:: quantize(x, y)