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-rw-r--r--src/ReplayGainInfo.cxx2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/ReplayGainInfo.cxx b/src/ReplayGainInfo.cxx
index 7ee788e04..cf6b0ba69 100644
--- a/src/ReplayGainInfo.cxx
+++ b/src/ReplayGainInfo.cxx
@@ -20,6 +20,8 @@
#include "config.h"
#include "ReplayGainInfo.hxx"
+#include <math.h>
+
float
ReplayGainTuple::CalculateScale(float preamp, float missing_preamp,
bool peak_limit) const