Some (temporary) debug etc

src/finer/R3StretcherImpl.h

@@ -283,6 +283,16 @@ protected:
     static void logCout(const std::string &message) {
         std::cout << "RubberBandStretcher: " << message << std::endl;
     }
+
+    //!!! dupes
+    int binForFrequency(double f, int fftSize) const {
+        return int(round(f * double(fftSize) /
+                         m_parameters.sampleRate));
+    }
+    double frequencyForBin(int b, int fftSize) const {
+        return (double(b) * m_parameters.sampleRate)
+            / double(fftSize);
+    }
 };
 
 }