Method Initialize

src/colmap/optim/combination_sampler.cc:41–46

    : num_samples_(num_samples) {}

void CombinationSampler::Initialize(const size_t total_num_samples) {
  THROW_CHECK_LE(num_samples_, total_num_samples);
  total_sample_idxs_.resize(total_num_samples);
  // Note that the samples must be in increasing order for `NextCombination`.
  std::iota(total_sample_idxs_.begin(), total_sample_idxs_.end(), 0);
}

size_t CombinationSampler::MaxNumSamples() {
  return NChooseK(total_sample_idxs_.size(), num_samples_);