ENH: remove lots of commented code and multiple return statement

Code/ChangeDetection/otbJoinHistogramMI.h

@@ -41,48 +41,6 @@ public:
     TOutput                jointEntropy = itk::NumericTraits<TOutput>::Zero;
     HistogramFrequencyType totalFreq = histogram->GetTotalFrequency();
 
-    /*    for(unsigned long pos = 0; pos< itA.Size(); ++pos)
-          {
-          double value = static_cast<double>(itA.GetPixel(pos));
-
-          unsigned int bin =
-          HistogramFrequencyType freq = histogram.GetFrequency(, 0);
-          if (freq > 0)
-          {
-            entropyX += freq*vcl_log(freq);
-          }
-        }
-
-        entropyX = -entropyX/static_cast<TOutput>(totalFreq) + vcl_log(totalFreq);
-
-        for (unsigned int i = 0; i < this->GetHistogramSize()[1]; ++i)
-        {
-          HistogramFrequencyType freq = histogram.GetFrequency(i, 1);
-          if (freq > 0)
-          {
-            entropyY += freq*vcl_log(freq);
-          }
-        }
-
-        entropyY = -entropyY/static_cast<TOutput>(totalFreq) + vcl_log(totalFreq);
-
-        HistogramIteratorType it = histogram.Begin();
-        HistogramIteratorType end = histogram.End();
-        while (it != end)
-        {
-          HistogramFrequencyType freq = it.GetFrequency();
-          if (freq > 0)
-          {
-            jointEntropy += freq*vcl_log(freq);
-          }
-          ++it;
-        }
-
-        jointEntropy = -jointEntropy/static_cast<TOutput>(totalFreq) +
-          vcl_log(totalFreq);
-
-        return entropyX + entropyY - jointEntropy; */
-
     typename HistogramType::MeasurementVectorType sample(2);
     for (unsigned long pos = 0; pos < itA.Size(); ++pos)
       {
@@ -106,28 +64,8 @@ public:
                    vcl_log(totalFreq);
 
     return jointEntropy;
-
-    /*    TOutput meanA = 0.0;
-        TOutput meanB = 0.0;
-
-        for(unsigned long pos = 0; pos< itA.Size(); ++pos)
-          {
-
-          meanA += static_cast<TOutput>(itA.GetPixel(pos));
-          meanB += static_cast<TOutput>(itB.GetPixel(pos));
-
-
-          }*/
-    return static_cast<TOutput>(0);
   }
 
-  /*  void SetHistogram(HistogramType* histo)
-    {
-      m_Histogram = histo;
-    }
-
-  protected:
-    HistogramType::Pointer m_Histogram; */
 };
 }
 } // end namespace otb