New submission from Brandt Bucher <brandtbuc...@gmail.com>:

Currently, it isn't legal to perform <, >, <=, or >= rich comparisons on any 
complex objects, even though these operations are mathematically well-defined 
for real numbers.

The attached PR addresses this by defining rich comparisons for real-valued 
complex objects against subclasses of int and float, as well as for 
decimal.Decimal and fractions.Fraction types. They still raise TypeErrors when 
either of the operands has a nonzero imaginary part.

----------
components: Interpreter Core
messages: 336628
nosy: brandtbucher
priority: normal
severity: normal
status: open
title: Allow rich comparisons for real-valued complex objects.
type: enhancement
versions: Python 3.8

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36117>
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