[Axiom-developer] [#162 nested cross products for Vector Polynomial Integer probelm] (new)

[anonymous]

Changes 
http://page.axiom-developer.org/zope/mathaction/162NestedCrossProductsForVectorPolynomialIntegerProbelm/diff
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I'm trying to produce a vector by several cross products
All variables and elements of the vectors are polynomial integers
All vectors are Vector Polynomial Integer

X := cross(A0, A1)
Y := cross(A2, A3)
B0 := A0 + a0*X + a0*Y
B1 := A1 + a1*X + a1*Y
B2 := A2 + a2*X + a2*Y
B3 := A3 + a3*X + a3*Y
C0 = cross(B0, B1)
C1 = cross(B2, B3)
D=cross(C0, C1)

On the last command Axiom stop working and hang.
Is there any workaround for this problem ?

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