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clamp outgoing values before adding

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This commit is contained in:
Ahmet Inan 2019-09-23 13:37:15 +02:00
commit 974c4c582d
2 changed files with 8 additions and 4 deletions
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6
ldpc_decoder2.hh
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@ -166,12 +166,14 @@ class LDPCDecoder
inp[cnt] = vqsub(par[0], bl[cnt]);
inp[cnt+1] = vqsub(par[1], bl[cnt+1]);
cnp(out, inp, deg);
for (int d = 0; d < deg; ++d)
out[d] = vclamp(out[d], -32, 31);
for (int d = 0; d < deg; ++d)
*bl++ = out[d];
for (int c = 0; c < cnt; ++c)
mes[c] = vqadd(inp[c], out[c]);
par[0] = vqadd(inp[cnt], out[cnt]);
par[1] = vqadd(inp[cnt+1], out[cnt+1]);
for (int d = 0; d < deg; ++d)
*bl++ = vclamp(out[d], -32, 31);
if (i) {
pty[W*(i-1)+j] = par[0];
} else if (j) {