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show number of bit flips

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This commit is contained in:
Ahmet Inan 2022-05-18 16:38:41 +02:00
commit 16e495ab9c
1 changed files with 10 additions and 2 deletions
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12
decode.cc
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@ -547,8 +547,16 @@ struct Decoder
std::cerr << "payload decoding error." << std::endl;
return;
}
for (int i = 0; i < data_bits; ++i)
CODE::set_le_bit(out, i, mesg[i].v[best] < 0);
int flips = 0;
for (int i = 0, j = 0; i < data_bits; ++i, ++j) {
while ((frozen_bits[j / 32] >> (j % 32)) & 1)
++j;
bool received = code[j] < 0;
bool decoded = mesg[i].v[best] < 0;
flips += received != decoded;
CODE::set_le_bit(out, i, decoded);
}
std::cerr << "bit flips: " << flips << std::endl;
}
};