[Python-checkins] r66435 - python/trunk/Doc/library/stdtypes.rst
andrew.kuchling
python-checkins at python.org
Sat Sep 13 04:11:51 CEST 2008
Author: andrew.kuchling
Date: Sat Sep 13 04:11:51 2008
New Revision: 66435
Log:
#3288: Document as_integer_ratio
Modified:
python/trunk/Doc/library/stdtypes.rst
Modified: python/trunk/Doc/library/stdtypes.rst
==============================================================================
--- python/trunk/Doc/library/stdtypes.rst (original)
+++ python/trunk/Doc/library/stdtypes.rst Sat Sep 13 04:11:51 2008
@@ -449,7 +449,18 @@
Additional Methods on Float
---------------------------
-The float type has some additional methods to support conversion to
+The float type has some additional methods.
+
+.. method:: float.as_integer_ratio()
+
+ Return a pair of integers whose ratio is exactly equal to the
+ original float and with a positive denominator. Raises
+ :exc:`OverflowError` on infinities and a :exc:`ValueError` on
+ NaNs.
+
+ .. versionadded:: 2.6
+
+Two methods support conversion to
and from hexadecimal strings. Since Python's floats are stored
internally as binary numbers, converting a float to or from a
*decimal* string usually involves a small rounding error. In
More information about the Python-checkins
mailing list