A little bit more efficient pwr calc in SigLevDetDdr

sm0svx · May 13, 2015 · 470570d · 470570d
1 parent 55884d5
commit 470570d
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/src/svxlink/trx/SigLevDetDdr.cpp b/src/svxlink/trx/SigLevDetDdr.cpp
@@ -218,8 +218,7 @@ void SigLevDetDdr::processSamples(const vector<RtlTcp::Sample> &samples)
        it != samples.end();
        ++it)
   {
-    double mag = abs(*it);
-    pwr_sum += mag * mag;
+    pwr_sum += it->real() * it->real() + it->imag() * it->imag();
     if (++block_idx == block_size)
     {
       last_siglev = offset + slope * 10.0 * log10(pwr_sum / block_size);