int ModuleQ(int q0, int q1)
{
if (lowerBranchOnQ)
{
return(Q.Module(q1 - q0));
}
return(Q.Module(q0 - q1));
}
//internal LineSegment ls(Tuple<int, int> tangent) {
// return new LineSegment(P.Pnt(tangent.First), Q.Pnt(tangent.Second));
//}
//internal LineSegment ls(int a, int b) {
// return new LineSegment(P.Pnt(a), Q.Pnt(b));
//}
int ModuleP(int p0, int p1)
{
if (upperBranchOnP)
{
return(P.Module(p1 - p0));
}
return(P.Module(p0 - p1));
}