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removed T=4 as it is unrealistic for short codes

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This commit is contained in:
Ahmet Inan 2020-06-14 21:10:11 +02:00
commit eccb5ea436
1 changed files with 1 additions and 4 deletions
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5
short_bch_code_decoder.hh
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@ -18,7 +18,7 @@ class ShortBCHCodeDecoder
short par[W];
static_assert(N < 8 * sizeof(err[0]), "codeword type not wide enough");
static_assert(P < 8 * sizeof(par[0]), "parity type not wide enough");
static_assert(T > 0 && T <= 4, "unsupported radius T");
static_assert(T > 0 && T <= 3, "unsupported radius T");
static int modgen(int inp)
{
for (int i = K-1; i >= 0; --i) {
@ -47,9 +47,6 @@ public:
err[modgen(a|b)] = a|b;
for (int c = b >> 1; T >= 3 && c; c >>= 1) {
err[modgen(a|b|c)] = a|b|c;
for (int d = c >> 1; T >= 4 && d; d >>= 1) {
err[modgen(a|b|c|d)] = a|b|c|d;
}
}
}
}