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dB calculator: add floor value (default -100.0dB) when argument is 0

This commit is contained in:
f4exb 2016-12-15 21:27:13 +01:00
parent 330db19163
commit 5571e01a65
2 changed files with 3 additions and 3 deletions
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4
sdrbase/util/db.cpp
View File

@ -17,7 +17,7 @@
#include "util/db.h"
#include <cmath>
Real CalcDb::dbPower(Real magsq)
Real CalcDb::dbPower(Real magsq, Real floordB)
{
if (magsq > 0)
{
@ -25,6 +25,6 @@ Real CalcDb::dbPower(Real magsq)
}
else
{
return 0;
return floordB;
}
}

2
sdrbase/util/db.h
View File

@ -22,7 +22,7 @@
class CalcDb
{
public:
static Real dbPower(Real magsq);
static Real dbPower(Real magsq, Real floordB = -100.0f);
};
#endif /* INCLUDE_UTIL_DB_H_ */