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D.15.13.15 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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