bpo-26680: Incorporate is_integer in all built-in and standard library numeric types#6121

Merged

mdickinson merged 10 commits intopython:masterfrom

rob-smallshire:is_integer

Oct 1, 2020

Commits on Sep 18, 2020

bpo-26680: Adds support for int.is_integer() for compatibility with float.is_integer().
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bpo-26680: Adds a test to ensure that False.is_integer() and True.is_integer() are always True.
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bpo-26680: Adds Real.is_integer() with a trivial implementation using conversion to int.
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bpo-26680: Adds Rational.is_integer which returns True if the denominator is one.
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bpo-26680: Adds Integral.is_integer which always returns True.
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bpo-26680: Adds tests for Fraction.is_integer called as an instance method.
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bpo-26680: Updates documentation for Real.is_integer and built-ins int and float.
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bpo-26680: Adds Decimal.is_integer to the Python and C implementations.
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bpo-26680: Updates the ACKS file.
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bpo-26680: NEWS entries for int, the numeric ABCs and Decimal.
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