[Python-Dev] PyObject_RichCompareBool identity shortcut
Antoine Pitrou
solipsis at pitrou.net
Wed Apr 27 18:27:22 CEST 2011
On Wed, 27 Apr 2011 12:05:12 -0400 (EDT)
Isaac Morland <ijmorlan at uwaterloo.ca> wrote:
> On Wed, 27 Apr 2011, Alexander Belopolsky wrote:
>
> > High performance applications that rely on non-reflexivity will still
> > have an option of using ctypes.c_float type or NumPy.
>
> Python could also provide IEEE-754 equality as a function (perhaps in
> "math"), something like:
>
> def ieee_equal (a, b):
> return a == b and not isnan (a) and not isnan (b)
+1 (perhaps call it math.eq()).
Regards
Antoine.
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