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IDProjectCategoryView StatusDate SubmittedLast Update
0031114Community[OCCT] OCCT:Modeling Algorithmspublic2019-10-29 20:052019-12-17 13:27
Assigned Tomsv 
PlatformWindows 10 Pro 64 bitsOSVC++ 2015OS Version64 bit
Product Version[OCCT] 7.3.0 
Target VersionFixed in Version 
Summary0031114: Modeling Algorithms - BRepExtrema_ExtCF crash
DescriptionThe algo BRepExtrema_ExtCF is crashing with the supplied edge.brep and face.brep.
BRepExtrema_ExtCF::NbExt use 'mySqDist.Length()' to compute it's return value while BRepExtrema_ExtCF::PointOnEdge() use 'myPointsOnC'. In this particular case, myPointsOnC is empty and mySqDist is not, so this is why it is crashing.
Maybe use the size of myPointsOnC for NbExt() would fix the crash.
Steps To ReproduceUse the include Qt .pro project.
TagsNo tags attached.
Test case number
Attached Files7z file icon BRepExtrema_ExtCF_crash.7z (4,154 bytes) 2019-10-29 20:05

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-  Notes
FrancoisLauzon (reporter)
2019-10-29 20:07

I have tested this under 7.3.0 and 7.4.0, both version crash.

- Issue History
Date Modified Username Field Change
2019-10-29 20:05 FrancoisLauzon New Issue
2019-10-29 20:05 FrancoisLauzon Assigned To => msv
2019-10-29 20:05 FrancoisLauzon File Added: BRepExtrema_ExtCF_crash.7z
2019-10-29 20:07 FrancoisLauzon Note Added: 0088652
2019-12-17 13:27 kgv Summary BRepExtrema_ExtCF crash => Modeling Algorithms - BRepExtrema_ExtCF crash

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