65.182 IsGriesmerCode

IsGriesmerCode( code )

IsGriesmerCode returns true if code, which must be a linear code, is Griesmer code, and false otherwise.

A code is called Griesmer if its length satisfies n = g[k,d] = sum_i=0^k-1 lceil fracdq^i rceil.

    gap> IsGriesmerCode( HammingCode( 3, GF(2) ) );
    true
    gap> IsGriesmerCode( BCHCode( 17, 2, GF(2) ) );
    false 

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