GraphData.h

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#if !defined(AFX_GRAPHDATA_H__035AC771_F046_4ECA_BCDE_E570A1138AE4__INCLUDED_)
#define AFX_GRAPHDATA_H__035AC771_F046_4ECA_BCDE_E570A1138AE4__INCLUDED_

#include <assert.h>

class GraphData  {
public:
   GraphData(int bufferSize);
   virtual ~GraphData();

   int bufferSize;

   int dataSize;

   int index;

   void push(float value){
      if(dataSize<bufferSize){
         data[dataSize]=value;
         dataSize++;
      } else {
         data[(index+dataSize)%dataSize]=value;
         index++;
      }
   }
   
   float getValue(int i){
      assert(i<dataSize);
      return data[(index+i)%dataSize];
   }

private:
   float* data;

};


#endif // !defined(AFX_GRAPHDATA_H__035AC771_F046_4ECA_BCDE_E570A1138AE4__INCLUDED_)

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