1 files changed, 1 insertions, 1 deletions
diff --git a/src/OutputFile.cpp b/src/OutputFile.cpp
index af32b33..acaebad 100644
--- a/src/OutputFile.cpp
+++ b/src/OutputFile.cpp
@@ -32,7 +32,7 @@
 #include <chrono>
 #include <stdexcept>
 #include <cassert>
-
+#include <cmath>
 
 using namespace std;