Fix HNSW.fill_with_random_links. (#801)

012954eb · Lucas Hosseini · GitHub · 0a8f92d6 · 012954eb
Unverified Commit 012954eb authored Apr 23, 2019 by Lucas Hosseini Committed by GitHub Apr 23, 2019
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HNSW.cpp HNSW.cpp +1 -1

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--- a/HNSW.cpp
+++ b/HNSW.cpp
@@ -173,7 +173,7 @@ void HNSW::fill_with_random_links(size_t n)
  int max_level = prepare_level_tab(n);
  RandomGenerator rng2(456);

-  for (int level = max_level - 1; level >= 0; level++) {
+  for (int level = max_level - 1; level >= 0; --level) {
    std::vector<int> elts;
    for (int i = 0; i < n; i++) {
      if (levels[i] > level) {