From e64243665155dba197d22cc13ff7dd62ec574607 Mon Sep 17 00:00:00 2001
From: Kirill Kondrashov <kkondrashov@gnhearing.com>
Date: Sat, 29 Jan 2022 08:10:34 +0100
Subject: [PATCH] fix: compile

---
 YoloLabel.pro  | 2 +-
 mainwindow.cpp | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/YoloLabel.pro b/YoloLabel.pro
index 813d0e2..5fae08f 100644
--- a/YoloLabel.pro
+++ b/YoloLabel.pro
@@ -20,7 +20,7 @@ DEFINES += QT_DEPRECATED_WARNINGS
 # You can also select to disable deprecated APIs only up to a certain version of Qt.
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
-CONFIG += c++11
+CONFIG += c++1z
 
 SOURCES += \
         main.cpp \
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 4e1e2c6..4c867bf 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -8,6 +8,7 @@
 #include <QShortcut>
 #include <QCollator>
 #include <iomanip>
+#include <cmath>
 
 using std::cout;
 using std::endl;
@@ -473,7 +474,7 @@ void MainWindow::init_table_widget()
 void MainWindow::on_horizontalSlider_contrast_sliderMoved(int value)
 {
     float valueToPercentage = float(value)/ui->horizontalSlider_contrast->maximum(); //[0, 1.0]
-    float percentageToGamma = pow(1/(valueToPercentage + 0.5), 7.);
+    float percentageToGamma = std::pow(1/(valueToPercentage + 0.5), 7.);
 
     ui->label_image->setContrastGamma(percentageToGamma);
     ui->label_contrast->setText(QString("Contrast(%) ") + QString::number(int(valueToPercentage * 100.)));