ft8_lib/ft8/ldpc.h

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#pragma once
// codeword is 174 log-likelihoods.
// plain is a return value, 174 ints, to be 0 or 1.
// iters is how hard to try.
// ok == 87 means success.
void ldpc_decode(float codeword[], int iters, int plain[], int *ok);