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0025879: result of blend fails the bopcheck

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Protection from the zero-length gp_Dir construction is added.
This commit is contained in:
aml
2017-11-10 18:21:21 +03:00
committed by bugmaster
parent e7174545eb
commit c5b89fa358
2 changed files with 4 additions and 4 deletions
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6
src/ElCLib/ElCLib.cxx
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@@ -1312,8 +1312,10 @@ Standard_Real ElCLib::LineParameter (const gp_Ax1& L, const gp_Pnt& P)
Standard_Real ElCLib::CircleParameter (const gp_Ax2& Pos,
const gp_Pnt& P)
{
Standard_Real Teta = (Pos.XDirection()) .AngleWithRef
(gp_Vec (Pos.Location(), P), Pos.Direction());
gp_Vec aVec(Pos.Location(), P);
Standard_Real Teta = 0.0;
if (aVec.SquareMagnitude() > gp::Resolution())
Teta = (Pos.XDirection()).AngleWithRef(aVec, Pos.Direction());
if (Teta < -1.e-16) Teta += PIPI;
else if (Teta < 0) Teta = 0;
return Teta;