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

