InferenceStatistics::Data InferenceStatistics::get_data(
const Subset &, AssignmentContainer *iss) const {
Assignments ss =
iss->get_assignments(IntRange(0, iss->get_number_of_assignments()));
Data ret;
ret.size = iss->get_number_of_assignments();
Ints sample;
for (int i = 0; i < ret.size; ++i) {
if (sample.size() < sample_size) {
sample.push_back(i);
} else {
double prob = static_cast<double>(sample_size) / i;
if (select_(base::random_number_generator) < prob) {
int replace = place_(base::random_number_generator);
sample[replace] = i;
}
}
}
ret.sample.resize(sample.size());
for (unsigned int i = 0; i < sample.size(); ++i) {
ret.sample[i] = iss->get_assignment(sample[i]);
}
return ret;
}
uint64_t operator[](uint64_t i) const {
uint64_t start = i > 0? select_(i - 1) + 1: 0;
uint64_t end = select_(i) + 1;
uint64_t encoded = data_(start, end);
return encoded;
}