Details
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Bug
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Resolution: Done
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P2: Important
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5.4.0
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None
Description
Contradictory to the current documentation, QPointF::isNull() (http://doc.qt.io/qt-5/qpointf.html#isNull) returns true for both -0.0 and +0.0 (regardless of the sign).
This change of behaviour was introduced by QTBUG-36665 in Qt Version 5.0.