From d9f8bcec4b983b2764f5852d8cfb6049ce4c59fd Mon Sep 17 00:00:00 2001
From: Tom Tan <Tom.Tan@microsoft.com>
Date: Tue, 18 Oct 2022 09:41:59 -0700
Subject: [PATCH] Fix a potential precision loss on integer in
 ReservoirCellIndexFor (#1696)

---
 .../sdk/metrics/exemplar/histogram_exemplar_reservoir.h     | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sdk/include/opentelemetry/sdk/metrics/exemplar/histogram_exemplar_reservoir.h b/sdk/include/opentelemetry/sdk/metrics/exemplar/histogram_exemplar_reservoir.h
index f15665de33..5469bee8da 100644
--- a/sdk/include/opentelemetry/sdk/metrics/exemplar/histogram_exemplar_reservoir.h
+++ b/sdk/include/opentelemetry/sdk/metrics/exemplar/histogram_exemplar_reservoir.h
@@ -55,12 +55,12 @@ class HistogramExemplarReservoir : public FixedSizeExemplarReservoir
                               const MetricAttributes & /* attributes */,
                               const opentelemetry::context::Context & /* context */) override
     {
-      int max_size = boundaries_.size();
-      for (int i = 0; i < max_size; ++i)
+      size_t max_size = boundaries_.size();
+      for (size_t i = 0; i < max_size; ++i)
       {
         if (value <= boundaries_[i])
         {
-          return i;
+          return static_cast<int>(i);
         }
       }
       return -1;