#ifndef MATRIX2D_H
#define MATRIX2D_H


template <typename T>
class Matrix2D {
    std::vector<T> data;
    unsigned int sizeX, sizeY;
public:
    unsigned int getWidth() const { return sizeX; }
    unsigned int getHeight() const { return sizeY; }

    Matrix2D (unsigned int x, unsigned int y)
        : sizeX (x), sizeY (y) {
        data.resize (sizeX*sizeY);
    }

    T& operator()( int x,  int y) {
        if (x >= (int) sizeX )
            x-= sizeX;
        if (x < 0 )
            x+= sizeX;
        if (y<0) y=0;
        if (y >= (int) sizeY )
          y =sizeY-1;
        //if (y>= sizeY ||  y<0)
        //    throw std::out_of_range("OOB access"); // Throw something more appropriate
        return data[sizeX*y + x]; // Stride-aware access
    }

    T* row(unsigned int y) {
        if (y >= sizeY) y = sizeY - 1;
        return &data[sizeX * y];
    }
};
#endif // MATRIX2D_H