isSmooth(Cone) -- checks if a Cone or Fan is smooth

• Function: isSmooth

• Usage:

  b = isSmooth C

  b = isSmooth F

• Inputs:
  • C, a convex rational cone
• Outputs:
  • b, a Boolean value, true if the Cone/Fan is smooth, false otherwise

i1 : C = coneFromVData matrix {{1,2,3},{3,1,2},{2,3,1}}

o1 = C

o1 : Cone

i2 : isSmooth C

o2 = false

i3 : F = hirzebruch 3

o3 = F

o3 : Fan

i4 : isSmooth F

o4 = true