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moved constructor generator argument to template parameter

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This commit is contained in:
Ahmet Inan 2020-06-14 20:43:45 +02:00
commit b54be1c997
6 changed files with 22 additions and 22 deletions
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10
short_bch_code_encoder.hh
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@ -8,7 +8,7 @@ Copyright 2020 Ahmet Inan <inan@aicodix.de>
namespace CODE {
template <int N, int K>
template <int N, int K, int G>
class ShortBCHCodeEncoder
{
static const int P = N - K;
@ -16,19 +16,19 @@ class ShortBCHCodeEncoder
short par[W];
static_assert(N < 8 * sizeof(int), "codeword type not wide enough");
static_assert(P < 8 * sizeof(par[0]), "parity type not wide enough");
static int modgen(int inp, int gen)
static int modgen(int inp)
{
for (int i = K-1; i >= 0; --i) {
int tmp = inp >> (i+P);
inp ^= (tmp & 1) * (gen << i);
inp ^= (tmp & 1) * (G << i);
}
return inp;
}
public:
ShortBCHCodeEncoder(int generator)
ShortBCHCodeEncoder()
{
for (int i = 0; i < W; ++i)
par[i] = modgen(i << P, generator);
par[i] = modgen(i << P);
}
int operator()(int msg)
{