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initialize write disable flags on first iteration

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This commit is contained in:
Ahmet Inan 2019-11-16 09:40:17 +01:00
commit 59b10af835
1 changed files with 11 additions and 10 deletions
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21
ldpc_decoder.hh
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@ -141,6 +141,12 @@ class LDPCDecoder
tmp.v[0] = prev_val;
bool this_wd = wd[k];
if (start) {
if (k)
this_wd = offset == last_offset;
else
this_wd = false;
}
if (!this_wd) {
bl[k] = out;
var[offset] = tmp;
@ -149,12 +155,12 @@ class LDPCDecoder
bl[k] = vzero<TYPE>();
}
if (k) {
if (last_offset == offset) {
wd[k-1] = this_wd;
} else {
wd[k-1] = first_wd;
bool next_wd = this_wd;
if (last_offset != offset) {
next_wd = first_wd;
first_wd = this_wd;
}
wd[k-1] = next_wd;
} else {
first_wd = this_wd;
}
@ -198,7 +204,6 @@ public:
for (int j = 0; j < W; ++j)
cnt[W*i+j] = cnc[i] + 2;
Loc *lo = loc;
bool *wd = wds;
for (int i = 0; i < q; ++i) {
int cnt = cnc[i];
int deg = cnt + 2;
@ -227,17 +232,13 @@ public:
lo[cnt+1].shi = 0;
std::sort(lo, lo + deg, [](const Loc &a, const Loc &b){ return a.off < b.off; });
for (int d = 0; d < deg-1; ++d)
wd[d] = lo[d].off == lo[d+1].off;
wd[deg-1] = false;
#if 0
std::cout << deg;
for (int d = 0; d < deg; ++d)
std::cout << ' ' << (int)lo[d].off << ':' << (int)lo[d].shi << ':' << wd[d];
std::cout << '\t' << (int)lo[d].off << ':' << (int)lo[d].shi;
std::cout << std::endl;
#endif
lo += deg;
wd += deg;
}
}
//assert(lo <= loc + BNL);