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Re: Sine and Cosine Accuracy
>>>>> "Geoffrey" == Geoffrey Keating <geoffk@geoffk.org> writes:
Geoffrey> Paul Koning <pkoning@equallogic.com> writes:
>> After some off-line exchanges with Dave Korn, it seems to me that
>> part of the problem is that the documentation for
>> -funsafe-math-optimizations is so vague as to have no discernable
>> meaning.
Geoffrey> I believe that (b) is intended to include:
Geoffrey> ... - limited ranges of elementary functions
You mean limited range or limited domain? The x87 discussion suggests
limiting the domain. And "limited" how far? Scott likes 0 to 2pi;
equally sensibly one might recommend -pi to +pi.
All these things may well make sense, but few or none of them are
implied by the text of the documentation.
paul