Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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indexer/feature_impl.cpp

@@ -0,0 +1,18 @@
+#include "indexer/feature_impl.hpp"
+
+#include "base/math.hpp"
+
+namespace feature
+{
+
+uint8_t PopulationToRank(uint64_t p)
+{
+  return static_cast<uint8_t>(std::min(0xFF, base::SignedRound(log(double(p)) / log(1.1))));
+}
+
+uint64_t RankToPopulation(uint8_t r)
+{
+  return static_cast<uint64_t>(pow(1.1, r));
+}
+
+} // namespace feature