From 692cbf3130a1816a1602d4d942b1660681e4c32b Mon Sep 17 00:00:00 2001
From: Carles Fernandez <carles.fernandez@gmail.com>
Date: Sat, 27 Apr 2019 18:39:20 +0200
Subject: [PATCH] Do not use std::cbegin, not available in old versions of gcc

---
 src/algorithms/tracking/libs/exponential_smoother.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/algorithms/tracking/libs/exponential_smoother.cc b/src/algorithms/tracking/libs/exponential_smoother.cc
index f8f19be64..204a1afb1 100644
--- a/src/algorithms/tracking/libs/exponential_smoother.cc
+++ b/src/algorithms/tracking/libs/exponential_smoother.cc
@@ -116,7 +116,7 @@ float Exponential_Smoother::smooth(float raw)
             init_buffer_.push_back(smoothed_value);
             if (init_counter_ == samples_for_initialization_)
                 {
-                    old_value_ = std::accumulate(std::cbegin(init_buffer_), std::cend(init_buffer_), 0.0F) / static_cast<float>(init_buffer_.size());
+                    old_value_ = std::accumulate(std::begin(init_buffer_), std::end(init_buffer_), 0.0F) / static_cast<float>(init_buffer_.size());
                     if (old_value_ < (min_value_ + offset_))
                         {
                             // flush buffer and start again