Comment on Chebyshev approximation and how it can help (2012)parentComments−LegionMammal9782yLooking at the spec [0], it only demands 1 ULP of precision for the elementary operations, and 2, 4, or 8 ULPs for special functions. So there's no magic 1/2-ULP guarantee.[0] http://ada-auth.org/standards/22rm/html/RM-G-2-3.html
Comments
Looking at the spec [0], it only demands 1 ULP of precision for the elementary operations, and 2, 4, or 8 ULPs for special functions. So there's no magic 1/2-ULP guarantee.
[0] http://ada-auth.org/standards/22rm/html/RM-G-2-3.html