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authorChristian Heimes <christian@cheimes.de>2008-01-12 19:39:10 (GMT)
committerChristian Heimes <christian@cheimes.de>2008-01-12 19:39:10 (GMT)
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Merged revisions 59921-59932 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r59923 | raymond.hettinger | 2008-01-11 19:04:55 +0100 (Fri, 11 Jan 2008) | 1 line Speed-up and simplify code urlparse's result objects. ........ r59924 | andrew.kuchling | 2008-01-11 20:33:24 +0100 (Fri, 11 Jan 2008) | 1 line Bug #1790: update link; remove outdated paragraph ........ r59925 | thomas.heller | 2008-01-11 20:34:06 +0100 (Fri, 11 Jan 2008) | 5 lines Raise an error instead of crashing with a segfault when a NULL function pointer is called. Will backport to release25-maint. ........ r59927 | thomas.heller | 2008-01-11 21:29:19 +0100 (Fri, 11 Jan 2008) | 4 lines Fix a potential 'SystemError: NULL result without error'. NULL may be a valid return value from PyLong_AsVoidPtr. Will backport to release25-maint. ........ r59928 | raymond.hettinger | 2008-01-12 00:25:18 +0100 (Sat, 12 Jan 2008) | 1 line Update the opcode docs for STORE_MAP and BUILD_MAP ........ r59929 | mark.dickinson | 2008-01-12 02:56:00 +0100 (Sat, 12 Jan 2008) | 4 lines Issue 1780: Allow leading and trailing whitespace in Decimal constructor, when constructing from a string. Disallow trailing newlines in Context.create_decimal. ........ r59930 | georg.brandl | 2008-01-12 11:53:29 +0100 (Sat, 12 Jan 2008) | 3 lines Move OSError docs to exceptions doc, remove obsolete descriptions from os docs, rework posix docs. ........ r59931 | georg.brandl | 2008-01-12 14:47:57 +0100 (Sat, 12 Jan 2008) | 3 lines Patch #1700288: Method cache optimization, by Armin Rigo, ported to 2.6 by Kevin Jacobs. ........ r59932 | georg.brandl | 2008-01-12 17:11:09 +0100 (Sat, 12 Jan 2008) | 2 lines Fix editing glitch. ........
Diffstat (limited to 'Doc/library/decimal.rst')
-rw-r--r--Doc/library/decimal.rst14
1 files changed, 11 insertions, 3 deletions
diff --git a/Doc/library/decimal.rst b/Doc/library/decimal.rst
index fbd6f43..4f8c127 100644
--- a/Doc/library/decimal.rst
+++ b/Doc/library/decimal.rst
@@ -276,9 +276,10 @@ Decimal objects
Construct a new :class:`Decimal` object based from *value*.
- *value* can be an integer, string, tuple, or another :class:`Decimal` object. If
- no *value* is given, returns ``Decimal("0")``. If *value* is a string, it
- should conform to the decimal numeric string syntax::
+ *value* can be an integer, string, tuple, or another :class:`Decimal`
+ object. If no *value* is given, returns ``Decimal("0")``. If *value* is a
+ string, it should conform to the decimal numeric string syntax after leading
+ and trailing whitespace characters are removed::
sign ::= '+' | '-'
digit ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'
@@ -308,6 +309,10 @@ Decimal objects
Once constructed, :class:`Decimal` objects are immutable.
+ .. versionchanged:: 2.6
+ leading and trailing whitespace characters are permitted when
+ creating a Decimal instance from a string.
+
Decimal floating point objects share many properties with the other built-in
numeric types such as :class:`float` and :class:`int`. All of the usual math
operations and special methods apply. Likewise, decimal objects can be copied,
@@ -925,6 +930,9 @@ method. For example, ``C.exp(x)`` is equivalent to
>>> Decimal("3.4445") + Decimal(0) + Decimal("1.0023")
Decimal("4.44")
+ This method implements the to-number operation of the IBM
+ specification. If the argument is a string, no leading or trailing
+ whitespace is permitted.
.. method:: Context.Etiny()