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Merge pull request #4 from allemangD/bad_alloc_bugfix

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Bad alloc bugfix
This commit is contained in:
David Allemang
2019-09-13 22:22:29 -04:00
committed by GitHub
parent f735060eb3 dbea7db46e
commit be5926b25e
1 changed files with 18 additions and 18 deletions
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36
cosets/src/tc.cpp
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@@ -7,12 +7,12 @@
struct Table {
int N;
std::vector<std::vector<int>> fwd;
std::vector<std::vector<int>> rev;
std::vector<std::vector<int>> fwd{};
std::vector<std::vector<int>> rev{};
explicit Table(int N) {
add_row();
this->N = N;
add_row();
}
void add_row() {
@@ -52,35 +52,35 @@ struct Table {
}
std::vector<std::vector<int>> words() {
std::vector<std::vector<int>> vecs(size());
std::vector<bool> done_vecs(size());
done_vecs[0] = true;
bool done = false;
while (!done) {
done = true;
std::vector<std::vector<int> *> vecs(size());
vecs[0] = new std::vector<int>();
while (std::find(vecs.begin(), vecs.end(), nullptr) != vecs.end()) {
for (int from = 0; from < (int) vecs.size(); ++from) {
if (done_vecs[from]) {
done = false;
std::vector<int> *word = vecs[from];
if (word == nullptr) {
continue;
}
std::vector<int> word = vecs[from];
for (int gen = 0; gen < (int) N; ++gen) {
int to = get(from, gen);
if (done_vecs[to]) {
if (vecs[to] != nullptr) {
continue;
}
done_vecs[to] = true;
vecs[to].assign(word.size() + 1, gen);
std::copy(word.begin(), word.end(), vecs[to].begin());
vecs[to] = new std::vector<int>(*word);
vecs[to]->push_back(gen);
}
}
}
return vecs;
std::vector<std::vector<int>> res(size());
for (int i = 0; i < (int) size(); ++i) {
res[i] = *vecs[i];
delete vecs[i];
}
return res;
}
};