# points at (1,1) and (2,1) and ray in (0,1) in (X,N) space.
3 4
1 1 0 -1	x>=1
1 -1 0 2	x<=2
1 0 1 -1	n>=1
1 3
1 1 -1		n>=1
---------------------------------------
Domain :
         P  -1 >= 0
          1 >= 0
 
Vertices :
[ 2 ]
[ 1 ]
