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SimpleMatrix.h

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#ifndef GeneratorInterface_LHEInterface_SimpleMatrix_h
#define GeneratorInterface_LHEInterface_SimpleMatrix_h

#include <memory>

namespace lhef {

template<typename T>
class SimpleMatrix {
    public:
        typedef T                                       value_type;
        typedef typename std::vector<T>::size_type      size_type;

        SimpleMatrix(size_type rows, size_type cols) :
                width(cols), height(rows), container(rows * cols) {}

        ~SimpleMatrix() {}

        inline size_type rows() const { return height; }
        inline size_type cols() const { return width; }
        inline size_type size() const { return container.size(); }

        inline double &operator () (size_type row, size_type col)
        { return container[index(row, col)]; }
        inline double operator () (size_type row, size_type col) const
        { return container[index(row, col)]; }

        inline double &operator [] (size_type index)
        { return container[index]; }
        inline double operator [] (size_type index) const
        { return container[index]; }

        inline size_type row(size_type index) const { return index / width; }
        inline size_type col(size_type index) const { return index % width; }

    protected:
        size_type index(size_type row, size_type col) const
        { return row * width + col; }

    private:
        size_type       width, height;
        std::vector<T>  container;
};

} // namespace lhef

#endif // GeneratorEvent_LHEInterface_SimpleMatrix_h

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