From 1ddc7634fdbaebe2124c0afac398b4d0dd5a569a Mon Sep 17 00:00:00 2001
From: Mirko Bonadei <mbonadei@webrtc.org>
Date: Thu, 14 Mar 2019 11:57:14 +0100
Subject: [PATCH] Qualify cmath functions.

Bug: None
Change-Id: Id561750eb6c2e26588e505beb3800e97075adb87
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/127782
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27130}
---
 modules/remote_bitrate_estimator/test/packet_sender.cc | 3 ++-
 rtc_tools/frame_analyzer/video_temporal_aligner.cc     | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/modules/remote_bitrate_estimator/test/packet_sender.cc b/modules/remote_bitrate_estimator/test/packet_sender.cc
index 45854637c3..247b2e5fd6 100644
--- a/modules/remote_bitrate_estimator/test/packet_sender.cc
+++ b/modules/remote_bitrate_estimator/test/packet_sender.cc
@@ -13,6 +13,7 @@
 #include <assert.h>
 #include <math.h>
 #include <algorithm>
+#include <cmath>
 #include <limits>
 #include <list>
 #include <vector>
@@ -422,7 +423,7 @@ int TcpSender::GetFeedbackIntervalMs() const {
 }
 
 void TcpSender::SendPackets(Packets* in_out) {
-  int cwnd = ceil(cwnd_);
+  int cwnd = std::ceil(cwnd_);
   int packets_to_send = std::max(cwnd - static_cast<int>(in_flight_.size()), 0);
   int timed_out = TriggerTimeouts();
   if (timed_out > 0) {
diff --git a/rtc_tools/frame_analyzer/video_temporal_aligner.cc b/rtc_tools/frame_analyzer/video_temporal_aligner.cc
index d03ec61078..42017c4808 100644
--- a/rtc_tools/frame_analyzer/video_temporal_aligner.cc
+++ b/rtc_tools/frame_analyzer/video_temporal_aligner.cc
@@ -84,9 +84,9 @@ class DownscaledVideo : public rtc::RefCountedObject<Video> {
  public:
   DownscaledVideo(float scale_factor, const rtc::scoped_refptr<Video>& video)
       : downscaled_width_(
-            static_cast<int>(round(scale_factor * video->width()))),
+            static_cast<int>(std::round(scale_factor * video->width()))),
         downscaled_height_(
-            static_cast<int>(round(scale_factor * video->height()))),
+            static_cast<int>(std::round(scale_factor * video->height()))),
         video_(video) {}
 
   int width() const override { return downscaled_width_; }