[Webkit-unassigned] [Bug 92778] New: Float imprecision causes incorrect wrapping in LineLayout with subpixel layout

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=92778

           Summary: Float imprecision causes incorrect wrapping in
                    LineLayout with subpixel layout
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: ASSIGNED
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: eae at chromium.org
                CC: eric at webkit.org, hyatt at apple.com, leviw at chromium.org


Due to float imprecision an incorrect wrapping decision is made in certain cases where the values being compare are close but not exactly the same. This can happen as the size of blocks is represented in layout units while line layout uses floats.

Downstream chromium bug: http://code.google.com/p/chromium/issues/detail?id=139502

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