Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 1f6b653b2343f60efb7261d8c1502f2fd427cfa6
https://github.com/WebKit/WebKit/commit/1f6b653b2343f60efb7261d8c1502f2fd427cfa6
Author: Said Abou-Hallawa <s...@apple.com>
Date: 2024-05-31 (Fri, 31 May 2024)
Changed paths:
A LayoutTests/fast/css/matrix-small-values-inverse-expected.txt
A LayoutTests/fast/css/matrix-small-values-inverse.html
M Source/WebCore/platform/graphics/transforms/TransformationMatrix.cpp
Log Message:
-----------
DOMMatrix.inverse() returns NaN matrix for small but normal values
https://bugs.webkit.org/show_bug.cgi?id=274834
rdar://128960283
Reviewed by Kimmo Kinnunen.
Use std::isnormal(determinant) to check if DOMMatrix (or TransformationMatrix)
isInvertible(). This will replace checking the determinant is less than a
defined
SMALL_NUMBER.
* LayoutTests/fast/css/matrix-small-values-inverse-expected.txt: Added.
* LayoutTests/fast/css/matrix-small-values-inverse.html: Added.
* Source/WebCore/platform/graphics/transforms/TransformationMatrix.cpp:
(WebCore::inverse):
(WebCore::TransformationMatrix::isInvertible const):
(WebCore::TransformationMatrix::inverse const):
(WebCore::TransformationMatrix::isBackFaceVisible const):
Canonical link: https://commits.webkit.org/279588@main
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