[webkit-reviews] review requested: [Bug 37515] getPathSegAtLength() gives incorrect value : [Attachment 55663] 7 th patch

[bugzilla-daemon at webkit.org]

Robin Qiu <robin.qiu at torchmobile.com.cn> has asked  for review:
Bug 37515: getPathSegAtLength() gives incorrect value
https://bugs.webkit.org/show_bug.cgi?id=37515

Attachment 55663: 7 th patch
https://bugs.webkit.org/attachment.cgi?id=55663&action=review

------- Additional Comments from Robin Qiu <robin.qiu at torchmobile.com.cn>
Changes in this patch:
1.  use narrowPrecisionToFloat() to converst double to float.
2. add a check before return "traversalState.m_segmentIndex - 1", otherwise, it
maybe return 4294967295(-1) in some occasions.