vpr/src/base/device_grid.h

#ifndef DEVICE_GRID
#define DEVICE_GRID

#include "vtr_ndmatrix.h"
#include "vpr_types.h"

class DeviceGrid {

    public:
        DeviceGrid() = default;
        DeviceGrid(std::string grid_name, vtr::Matrix<t_grid_tile> grid);

        const std::string& name() const { return name_; }

        size_t width() const { return grid_.dim_size(0); }
        size_t height() const { return grid_.dim_size(1); }

        //Note: supports 2-d indexing [0..width()-1][0..height()-1] yielding a t_grid_tile
        auto operator[](size_t index) const { return grid_[index]; }
        auto operator[](size_t index) { return grid_[index]; }

        void clear();

        size_t num_instances(t_type_ptr type) const;

    private:
        void count_instances();

        std::string name_;

        //Note that vtr::Matrix operator[] returns and intermediate type 
        //which can be used or indexing in the second dimension, allowing
        //traditional 2-d indexing to be used
        vtr::Matrix<t_grid_tile> grid_;

        std::map<t_type_ptr,size_t> instance_counts_;
};


#endif