diff options
Diffstat (limited to 'libs')
| -rw-r--r-- | libs/ardour/ardour/dB.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libs/ardour/ardour/dB.h b/libs/ardour/ardour/dB.h index 0a9c71ebf4..1a4ed983ab 100644 --- a/libs/ardour/ardour/dB.h +++ b/libs/ardour/ardour/dB.h @@ -20,6 +20,7 @@ #ifndef __ardour_dB_h__ #define __ardour_dB_h__ +#include <limits> #include "pbd/fastlog.h" #define GAIN_COEFF_ZERO 0.f @@ -35,6 +36,7 @@ static inline float fast_coefficient_to_dB (float coeff) { } static inline float accurate_coefficient_to_dB (float coeff) { + if (coeff < 1e-15) return -std::numeric_limits<float>::infinity(); return 20.0f * log10f (coeff); } |