nrenga

% This is a modified version of matlab's building rref which calculates
% row-reduced echelon form in gf(2).  Useful for linear codes.
% Tolerance was removed because yolo, and because all values
% should only be 0 or 1.  @benathon

function [Arref, M, N, rnk] = g2rref(A)
%G2RREF   Reduced row echelon form in gf(2).
%   R = RREF(A) produces the reduced row echelon form of A in gf(2).
%
%   Class support for input A: