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0024640: Broken logic of check of variable for zero in IntCurvesFace_Intersector constructor

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The check is fixed to avoid FPE division by zero
This commit is contained in:
abv 2014-02-19 08:54:49 +04:00
parent c4ffe7690d
commit 95432f985e
1 changed files with 2 additions and 8 deletions
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10
src/IntCurvesFace/IntCurvesFace_Intersector.cxx
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@ -95,7 +95,7 @@ IntCurvesFace_Intersector::IntCurvesFace_Intersector(const TopoDS_Face& Face,
Standard_Boolean bFlag;
//
{
Standard_Real dU, dV, dA, dB, aR, aTresh;
Standard_Real dU, dV, dA, dB, aTresh;
bFlag=Standard_True;
//
aTresh=100.;
@ -108,15 +108,9 @@ IntCurvesFace_Intersector::IntCurvesFace_Intersector(const TopoDS_Face& Face,
dB=dU;
}
//
aR=dA/dB;
if (dB<Precision::PConfusion()) {
if (dB < Precision::PConfusion() || dA > dB * aTresh) {
bFlag=!bFlag;
}
else {
if (aR>aTresh) {
bFlag=!bFlag;
}
}
}
//
if (bFlag) {