double u1 = intervals( i );
double u2 = intervals( i+1 );
curve.D2( 0.5*( u1+u2 ), p, drv1, drv2 );
- double cross = drv2 ^ drv1;
+ double cross = drv2 * drv1; //drv2 ^ drv1;
if ( E.Orientation() == TopAbs_REVERSED )
cross = -cross;
- isConvex = ( cross < 1e-9 );
+ isConvex = ( cross > -1e-9 );
}
// check if concavity is strong enough to care about it
//const double maxAngle = 5 * Standard_PI180;