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only need m=6 bits with 1011011

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This commit is contained in:
Ahmet Inan 2026-02-15 08:05:24 +01:00
commit cb8dcd0ffb
2 changed files with 2 additions and 2 deletions
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2
pac_encoder.hh
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@ -22,7 +22,7 @@ class PACEncoder
bool b4 = (*state >> 4) & 1;
bool b6 = (*state >> 6) & 1;
bool output = input ^ b1 ^ b3 ^ b4 ^ b6;
*state = ((*state & 126) << 1) | (input ? 2 : 0) | (output ? 1 : 0);
*state = ((*state & 62) << 1) | (input ? 2 : 0) | (output ? 1 : 0);
return output;
}
public:

2
pac_list_decoder.hh
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@ -46,7 +46,7 @@ struct PACListTree<TYPE, 1>
bool b4 = (*state >> 4) & 1;
bool b6 = (*state >> 6) & 1;
bool output = input ^ b1 ^ b3 ^ b4 ^ b6;
*state = ((*state & 126) << 1) | (input ? 2 : 0) | (output ? 1 : 0);
*state = ((*state & 62) << 1) | (input ? 2 : 0) | (output ? 1 : 0);
return output;
}
static MAP rate0(PATH *metric, int *state, TYPE *hard, TYPE *soft)