major fixes for MIDI patch change and note undo/redo. Patch change handling was compl...

[ardour.git] / libs / ardour / ardour / dB.h

diff --git a/libs/ardour/ardour/dB.h b/libs/ardour/ardour/dB.h
index 209ab11edc96faa45be6df19b8170e9cd464d49f..d2675fb3c9bdcfe5a9ce13b7aef209af6edf1678 100644 (file)
--- a/libs/ardour/ardour/dB.h
+++ b/libs/ardour/ardour/dB.h
@@ -34,4 +34,6 @@ static inline float accurate_coefficient_to_dB (float coeff) {
        return 20.0f * log10 (coeff);
 }
 
+extern double zero_db_as_fraction;
+
 #endif /* __ardour_dB_h__ */