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D.15.13.24 isPrimitiveSublattice

Procedure from library multigrading.lib (see multigrading_lib).

Purpose:
check whether the given set of integral vectors in ZZ^m, i.e. the columns of A, generate a primitive sublattice in ZZ^m (a direct summand of ZZ^m).

Returns:
int, where 0 is false and 1 is true.

Example:
 


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