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D.15.7.15 isSublattice

Procedure from library multigrading.lib (see multigrading_lib).

Usage:
isSublattice(L, S); L, S are of tpye intmat

Purpose:
checks whether the lattice created by L is a
sublattice of the lattice created by S.
The procedure checks whether each generator of L is
contained in S.

Return:
integer, 0 if false, 1 if true

Example:
 


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