fact: Definition code (a : 'rV_n) t := Rcode.t (@GF2_of_F2_rmorphism m) (kernel (PCM a t)).
imports: mathcomp(all_ssreflect ssralg poly polydiv finalg zmodp) mathcomp(matrix mxalgebra mxpoly vector fieldext finfield) ssralg_ext hamming linearcode decoding cyclic_code poly_decoding vandermonde dft euclid grs f2