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dnautics
on May 13, 2017
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Approximating sin(x) to 5 ULP with Chebyshev polyn...
May depend on the CPU, but I think most CPUs use pade approximants and use the recurrence over Pi/4
https://en.wikipedia.org/wiki/Pad%C3%A9_approximant
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Search:
https://en.wikipedia.org/wiki/Pad%C3%A9_approximant