tree 9dddd201d97b1faf36c5c3ff1c3464986d54c83b
parent 16a9cebffa3487c593bf7a8a298ce9052106f07d
author Mike Klein <mtklein@chromium.org> 1523284576 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1523373151 +0000

use GaussNewton for 7-parameter approx

Deleted tests that were approximating skcms_TransferFunctions with
skcms_TransferFunctions, for now.

More tweaks to GaussNewton API to allow non-tuned parameters
when evaluating the approximating function and its gradient.

Change-Id: I27363e5960feaf03ec8176900693995563c7552c
Reviewed-on: https://skia-review.googlesource.com/119772
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>