From e5f3ddf1c68968dd425716d518fa58a59c0722f7 Mon Sep 17 00:00:00 2001
From: Yury Melnichek <melnichek@gmail.com>
Date: Mon, 30 May 2011 20:26:55 +0200
Subject: [PATCH] Add GetPopulation() to feature.

---
 indexer/feature.cpp | 8 ++++++++
 indexer/feature.hpp | 1 +
 2 files changed, 9 insertions(+)

diff --git a/indexer/feature.cpp b/indexer/feature.cpp
index f574a6872b..61112138d6 100644
--- a/indexer/feature.cpp
+++ b/indexer/feature.cpp
@@ -981,3 +981,11 @@ uint8_t FeatureType::GetRank() const
 
   return m_Params.rank;
 }
+
+uint32_t FeatureType::GetPopulation() const
+{
+  uint8_t const rank = GetRank();
+  if (rank == 0)
+    return 1;
+  return static_cast<uint32_t>(min(double(uint32_t(-1)), pow(1.1, rank)));
+}
diff --git a/indexer/feature.hpp b/indexer/feature.hpp
index 25a4354d1b..7aa9d09e42 100644
--- a/indexer/feature.hpp
+++ b/indexer/feature.hpp
@@ -377,6 +377,7 @@ public:
   string DebugString(int scale) const;
 
   uint8_t GetRank() const;
+  uint32_t GetPopulation() const;
 
   /// @name Statistic functions.
   //@{