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moved code[j] out of the inner loop

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This commit is contained in:
Ahmet Inan 2018-09-27 10:06:09 +02:00
commit 8268ba3f85
2 changed files with 12 additions and 6 deletions
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6
reed_solomon_decoder.hh
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@ -23,12 +23,14 @@ public:
int compute_syndromes(ValueType *code, ValueType *syndromes)
{
// $syndromes_i = code(pe^{FCR+i})$
ValueType coeff(code[0]);
for (int i = 0; i < NR; ++i)
syndromes[i] = code[0];
syndromes[i] = coeff;
for (int j = 1; j < N; ++j) {
ValueType coeff(code[j]);
IndexType root(FCR), pe(1);
for (int i = 0; i < NR; ++i) {
syndromes[i] = fma(root, syndromes[i], code[j]);
syndromes[i] = fma(root, syndromes[i], coeff);
root *= pe;
}
}