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working on memoization

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allem
2020-01-08 22:03:35 -05:00
parent cee667d1b3
commit fb33a78718
20 changed files with 186 additions and 762 deletions
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44
tc/src/cosets.cpp
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@@ -1,44 +0,0 @@
#include "tc/cosets.h"
namespace tc {
Cosets::Cosets(int ngens) : ngens(ngens), len(0) {
}
void Cosets::add_row() {
len++;
data.resize(data.size() + ngens, -1);
path.resize(path.size() + 1);
}
void Cosets::put(int coset, int gen, int target) {
data[coset * ngens + gen] = target;
data[target * ngens + gen] = coset;
if (path[target].coset == -1) {
path[target] = {coset, gen, target};
}
}
void Cosets::put(int idx, int target) {
int coset = idx / ngens;
int gen = idx % ngens;
data[idx] = target;
data[target * ngens + gen] = coset;
if (path[target].coset == -1) {
path[target] = {coset, gen, target};
}
}
int Cosets::get(int coset, int gen) const {
return data[coset * ngens + gen];
}
int Cosets::get(int idx) const {
return data[idx];
}
int Cosets::size() const {
return len;
}
}