fix integer signed/unsigned compare warning with g++ (#944)

* Remove signed/unsigned integer compare warning with g++
microsoft · Sep 29, 2017 · 6068ba5 · 6068ba5
1 parent f90dfaf
commit 6068ba5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/LightGBM/utils/random.h b/include/LightGBM/utils/random.h
@@ -81,7 +81,7 @@ class Random {
       }
     } else {
       std::set<int> sample_set;
-      while (sample_set.size() < K) {
+      while (static_cast<int>(sample_set.size()) < K) {
         int next = RandInt32() % N;
         if (sample_set.count(next) == 0) {
           sample_set.insert(next);