Fix ceil() tests on SSE2.

We were getting failures trying to compare +0 and -0 via memcmp.

Change-Id: Ie3921dc6f4864927add1b512ba69cfe9d67ad602
Bug: skia:13676
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/626717
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
1 file changed