#pragma once

namespace ft8 {

    // 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 max_iters, uint8_t plain[], int *ok);

    void bp_decode(float codeword[], int max_iters, uint8_t plain[], int *ok);

    // Packs a string of bits each represented as a zero/non-zero byte in plain[], 
    // as a string of packed bits starting from the MSB of the first byte of packed[]
    void pack_bits(const uint8_t plain[], int num_bits, uint8_t packed[]);

}