From 4614cc4f7fcdc4537ea98fc49308719b71093972 Mon Sep 17 00:00:00 2001 From: Georg Brandl Date: Sat, 6 Oct 2012 13:48:39 +0200 Subject: Closes #16149: remove now-false statement about the inability to compare Decimal and float objects. --- Doc/reference/expressions.rst | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/Doc/reference/expressions.rst b/Doc/reference/expressions.rst index 72ad95e..e359237 100644 --- a/Doc/reference/expressions.rst +++ b/Doc/reference/expressions.rst @@ -1067,16 +1067,10 @@ Comparison of objects of the same type depends on the type: another one is made arbitrarily but consistently within one execution of a program. -Comparison of objects of the differing types depends on whether either -of the types provide explicit support for the comparison. Most numeric types -can be compared with one another, but comparisons of :class:`float` and -:class:`Decimal` are not supported to avoid the inevitable confusion arising -from representation issues such as ``float('1.1')`` being inexactly represented -and therefore not exactly equal to ``Decimal('1.1')`` which is. When -cross-type comparison is not supported, the comparison method returns -``NotImplemented``. This can create the illusion of non-transitivity between -supported cross-type comparisons and unsupported comparisons. For example, -``Decimal(2) == 2`` and ``2 == float(2)`` but ``Decimal(2) != float(2)``. +Comparison of objects of the differing types depends on whether either of the +types provide explicit support for the comparison. Most numeric types can be +compared with one another. When cross-type comparison is not supported, the +comparison method returns ``NotImplemented``. .. _membership-test-details: -- cgit v0.12