Mark Dickinson <[email protected]> added the comment:
r82614: add functionality to change FPU rounding mode (via float.__setround__
and float.__getround__ functions), on platforms that support the standard C99
fesetround and fegetround functions:
>>> float.__getround__()
'tonearest'
>>> 1e300 * 1e300
inf
>>> float.__setround__("downward")
>>> 1e300 * 1e300
1.7976931348623157e+308
This is just temporary, so that I can test that FPU rounding mode doesn't
affect results of string-to-float and float-to-string conversions. I'm not
planning to merge any of r82614 back to py3k.
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