tree bd1831431ae7a862f6349313f785be4a0e78ed63
parent 1e0779ba1120182c03f5d52a66df043d70efc376
author Chris Dalton <csmartdalton@google.com> 1500062692 -0600
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1500064474 +0000

Fix SkClassifyCubic for near-quadratics

Fixes the threshold logic for "0 ~= d1 && 0 ~= d2".

Previously, if d1 and d2 were both near zero, but on opposite sides
of the threshold, the curve could be misclassified as kCuspAtInfinity
and drawn incorrectly.

Bug: skia:
Change-Id: I65f30ddebf0a4a0b933610d8cc1a2f489efc99e4
Reviewed-on: https://skia-review.googlesource.com/22400
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Cary Clark <caryclark@google.com>