Does anyone know off-hand which normal arguments cause a subnormal result for a correctly rounded double-precision sin or cos?
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Replying to @rep_stosq_void
There must be values in the neighborhood of x=PI/2 so that cos(x) becomes subnormal.
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Replying to @rep_stosq_void
Ah, yes, now that I think about it.. the derivative is close to 1 in this region so the chances of "hitting" a subnormal number is low..
7:44 AM - 4 Sep 2017
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