Update description for Trace::get_label_rect()

[pulseview.git] / pv / view / viewport.cpp

diff --git a/pv/view/viewport.cpp b/pv/view/viewport.cpp
index f0c78e67fcd727bdea0249120259b80331f8f1b1..c45e455b0ac091abe812f67279d4500196c2064c 100644 (file)
--- a/pv/view/viewport.cpp
+++ b/pv/view/viewport.cpp
@@ -19,6 +19,7 @@
  */
 
 #include <cassert>
+#include <cmath>
 
 #include "view.h"
 #include "viewport.h"
@@ -28,6 +29,7 @@
 
 #include <QMouseEvent>
 
+using std::abs;
 using std::max;
 using std::min;
 using std::shared_ptr;