adamstark@89: //
adamstark@89: //  CircularBuffer.hpp
adamstark@89: //  BTrack Tests
adamstark@89: //
adamstark@89: //  Created by Adam Stark on 04/02/2016.
adamstark@89: //  Copyright © 2016 Adam Stark. All rights reserved.
adamstark@89: //
adamstark@89: 
adamstark@89: #ifndef CircularBuffer_h
adamstark@89: #define CircularBuffer_h
adamstark@89: 
adamstark@89: #include <vector>
adamstark@89: 
adamstark@89: class CircularBuffer
adamstark@89: {
adamstark@89: public:
adamstark@92:     CircularBuffer() : writeIndex (0)
adamstark@89:     {
adamstark@89:         
adamstark@89:     }
adamstark@89:     
adamstark@89:     double &operator[](int i)
adamstark@89:     {
adamstark@89:         int index = (i + writeIndex) % buffer.size();
adamstark@89:         return buffer[index];
adamstark@89:     }
adamstark@89:         
adamstark@89:     void addSampleToEnd (double v)
adamstark@89:     {
adamstark@89:         buffer[writeIndex] = v;
adamstark@89:         writeIndex = (writeIndex + 1) % buffer.size();
adamstark@89:     }
adamstark@89:     
adamstark@89:     void resize(int size)
adamstark@89:     {
adamstark@92:         buffer.resize (size);
adamstark@89:         writeIndex = 0;
adamstark@89:     }
adamstark@89:     
adamstark@89: private:
adamstark@89:     
adamstark@89:     std::vector<double> buffer;
adamstark@89:     int writeIndex;
adamstark@89: };
adamstark@89: 
adamstark@89: #endif /* CircularBuffer_hpp */