Pedro Gimeno added the comment:
> @Pedro Thanks again for the report! Just out of curiosity, how did you manage
> to find this?
I'm writing a C strtod implementation and I was adding corner cases to the unit
testing (now published here:
https://codeberg.org/pgimeno/ACSL/src/br
New submission from Pedro Gimeno :
>>> float.fromhex('0x0.8p-1074')
0.0
>>> float.fromhex('0x.8p-1074')
5e-324
One of them is obviously wrong. It's the second one, because:
- The smallest denormal is 0x1p-1074
- Therefore, 0x0.8p-1074 is a tie for
Pedro Gimeno added the comment:
Python 3.5 from Debian stretch (oldstable). You're right, I can't reproduce it
in 3.7 from Buster. Sorry for the bogus report.
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Pedro Gimeno added the comment:
I forgot the quotes in the assertion, it should have been "b'xz'".
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New submission from Pedro Gimeno :
When implementing an error handler, it must return a tuple consisting of a
substitution string and a position where to resume decoding. In the case of the
UTF-8 codec, the resume position is ignored, and it always resumes immediately
after the character
Pedro Gimeno added the comment:
I consider peephole optimization when no optimization was requested a bug.
Documentation for -O says it "Turns on basic optimizations". Peephole
optimization is a basic optimization, yet it is performed even when no basic
optimizations were requested
