[issue12245] Document the meaning of FLT_ROUNDS constants for sys.float_info
Mark Dickinson
report at bugs.python.org
Sat Jun 25 11:25:52 CEST 2011
Mark Dickinson <dickinsm at gmail.com> added the comment:
> all it does is give information about the FPU settings at the time that
> Python was compiled
Hmm. It's actually a bit better than that: as far as I can tell, it reflects the value of FLT_ROUNDS at the time that Python is started (when the sys module is initialized). OTOH, FLT_ROUNDS on my machine is #define'd to be 1, in violation of the C standards.
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