doc: barvinok_series requires polyhedron to have *rev*lex-positive rays

[barvinok.git] / tests / rays

D 1
5 5
1   1   0   0  -1 
1  -2  -1   0   3 
1  -2   0   1   2 
1   0   1   0   0 
1   2   1  -2  -1 

F 0
3