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Re: Libm core dump with SIGILL
On Fri, Aug 21, 2015 at 3:53 PM, Anders Magnusson <ragge%ludd.ltu.se@localhost> wrote:
> Well, it is telling the truth.
> But more interesting is the manpage for infnan that mentions the ability to
> replace infnan() by something else, depending on the needs in the program.
> This may be usable for Greg's tests I assume?
Not really. I suppose I could but it doesn't get called for normal
arithmetic overflows so I would still need an FPE handler anyways.
I'm trying to figure out how this API is intended to be used. It
sounds like I could maybe just set SIGILL to be ignored and check the
errno after any math call. Or I could add the FPE handler to SIGILL as
well and treat them as synonyms.
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