-- -*- M2-comint -*- {* hash: -442497430 *}

i1 : C = posHull  matrix {{1,-1,0},{1,1,0},{1,1,1}}

o1 = {ambient dimension => 3           }
      dimension of lineality space => 0
      dimension of the cone => 3
      number of facets => 3
      number of rays => 3

o1 : Cone

i2 : F = fan C

o2 = {ambient dimension => 3         }
      number of generating cones => 1
      number of rays => 3
      top dimension of the cones => 3

o2 : Fan

i3 : F1 = smoothSubfan F

o3 = {ambient dimension => 3         }
      number of generating cones => 2
      number of rays => 3
      top dimension of the cones => 2

o3 : Fan

i4 : apply(genCones F1, rays)

o4 = {| 0 1 |, | 0 -1 |}
      | 0 1 |  | 0 1  |
      | 1 1 |  | 1 1  |

o4 : List

i5 :