tree bad52515464d0e1e5945b489d21c5c27020c3fcb
parent bc5724faf40df9aec6c8e2e52f4017db35d21330
author Kristian H. Kristensen <hoegsberg@google.com> 1582764765 -0800
committer Marge Bot <eric+marge@anholt.net> 1583421811 +0000

Revert "glsl: Use a simpler formula for tanh"

This reverts commit 9807f502eb7a023be619a14119388b2a43271b0e.

The simplified formula doesn't pass the tanh dEQP tests when we lower
to fp16 math.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4054>