tree e267a06af0d20bcd9c9b899dafd78c66e8d72348
parent 2b1df4c1ce23877212e3c94e7f274a164d547c67
author John Stiles <johnstiles@google.com> 1675097874 -0500
committer SkCQ <skcq-be@skia-corp.google.com.iam.gserviceaccount.com> 1675105882 +0000

Add atan_ primitive to SkRasterPipeline.

The atan approximation logic was lifted from SkVM.

Change-Id: Id2dcc369a84666d9dafed6d7365988f906e89b18
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/635500
Reviewed-by: Herb Derby <herb@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>