void CheckOrientationIndex(LineSegment seg,
double s0x, double s0y,
double s1x, double s1y,
int expectedOrient)
{
LineSegment seg2 = new LineSegment(s0x, s0y, s1x, s1y);
int orient = seg.OrientationIndex(seg2);
Assert.IsTrue(orient == expectedOrient);
}
void CheckOrientationIndex(LineSegment seg,
double px, double py,
int expectedOrient)
{
Coordinate p = new Coordinate(px, py);
int orient = seg.OrientationIndex(p);
Assert.IsTrue(orient == expectedOrient);
}