Standard_Real anArea = Properties.Mass();
Standard_Real AreaTol = Radius*Radius*1.e-6;
if (anArea > HalfArea - AreaTol) //no chance to avoid singularity
- return Standard_False;
+ return Standard_False;
///////////////////////////////////////////////
gp_Ax3 ax3 = sp.Position();
if(Abs(Vmax-Vmin) < PI2) {