[Bug 89635] dEQP-GLES3: asin, acos, acosh do not have enough precision

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89635

--- Comment #1 from Kenneth Graunke <kenneth at whitecape.org> ---
Using better polynomials is probably wise.

In case someone wants to take this on and is interested in the performance
impact:
Programs known to use acos: Lightsmark, Tropico 5, Unigine Valley. Unreal 4's
Sun Temple demo.
Programs known to use atan: Champions of Regnum, Guacamelee, Natural Selection
2, The Polynomial, To The Moon, Unigine Valley, Unreal 4's Sun Temple demo.

Nobody uses asin.

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