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CalcDB: use direct value for floor in value to dB conversion

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f4exb
2017-08-17 17:17:25 +02:00
parent 90ce3ec9ad
commit 3536cfb816
2 changed files with 8 additions and 6 deletions
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sdrbase/util/db.cpp
+7 -5
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@@ -16,17 +16,19 @@
#include "util/db.h"
#include <cmath>
#include <cassert>
double CalcDb::dbPower(double magsq, double floordB)
double CalcDb::dbPower(double magsq, double floor)
{
if (magsq > 0)
assert(floor > 0.0);
if (magsq > floor)
{
double val = 10.0 * log10(magsq);
return val > floordB ? val : floordB;
return 10.0 * log10(magsq);
}
else
{
return floordB;
return 10.0 * log10(floor);
}
}