J. Gareth Moreton <[email protected]> schrieb am Do., 3. Mai 2018, 04:55:
> Tests complete! It turns out that I was using SetExceptionMask wrong and > subtracting rather than adding exInvalidOp. > > When exceptions are disabled, this new Frac function returns NaN when you > pass in plus or minus infinity. This is consistent with the specification > as listed in Chapter 11, Section 11.5.2.1 of the Intel® 64 and IA-32 > Architectures Software Developer's Manual which dicates that if the cause > is "Addition of opposite signed infinities or subtraction of like-signed > infinities" (the last line in the procedure is SUBSD that effectively > performs "x - Int(x)"), the result is to "Return the QNaN floating-point > Indefinite". > Great! If you haven't done so, would you please make sure that your patch is attached to the bug report so that I can find it? :) Regards, Sven >
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