Description
Computes the direct product of
P and
C. This is the polyhedron
{(p,c)  p in P, x in C}, in the direct product of the ambient spaces.
See also
directProduct.
i1 : P =convexHull matrix {{1},{1}}
o1 = P
o1 : Polyhedron

i2 : C = coneFromVData matrix {{1,2},{2,1}}
o2 = C
o2 : Cone

i3 : Q = P * C
o3 = Q
o3 : Polyhedron

i4 : (vertices Q,rays Q)
o4 = ( 1 ,  0 0 )
 1   0 0 
 0   2 1 
 0   1 2 
o4 : Sequence
