STINNER Victor <vstin...@python.org> added the comment:
That's not a bug: 64-bit float of IEEE 754 rounds 1e-324 to 0.0. vstinner@apu$ python3 Python 3.7.4 (default, Jul 9 2019, 16:32:37) [GCC 9.1.1 20190503 (Red Hat 9.1.1-1)] on linux Type "help", "copyright", "credits" or "license" for more information. >>> 1e-324 0.0 >>> import sys >>> sys.float_info sys.float_info(max=1.7976931348623157e+308, max_exp=1024, max_10_exp=308, min=2.2250738585072014e-308, min_exp=-1021, min_10_exp=-307, dig=15, mant_dig=53, epsilon=2.220446049250313e-16, radix=2, rounds=1) >>> sys.float_info.min 2.2250738585072014e-308 >>> sys.float_info.min.hex() '0x1.0000000000000p-1022' >>> 1/0.0 Traceback (most recent call last): File "<stdin>", line 1, in <module> ZeroDivisionError: float division by zero >>> 1/1e-324 Traceback (most recent call last): File "<stdin>", line 1, in <module> ZeroDivisionError: float division by zero ---------- nosy: +vstinner resolution: -> not a bug stage: -> resolved status: open -> closed _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue38432> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
