OpenFPGA/vpr7_x2p/libarchfpga/SRC/include/sides.h

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#ifndef SIDES_H
#define SIDES_H
/* Define a class for the sides of a physical block in FPGA architecture
* Basically, each block has four sides :
* TOP, RIGHT, BOTTOM, LEFT
* This class aims to provide a easy proctol for manipulating a side
*/
#include <cstddef>
/* Orientations. */
enum e_side {
TOP = 0,
RIGHT = 1,
BOTTOM = 2,
LEFT = 3,
NUM_SIDES
};
class Side {
public: /* Constructor */
Side(enum e_side side);
Side();
Side(size_t side);
public: /* Accessors */
enum e_side get_side() const;
enum e_side get_opposite() const;
enum e_side get_rotate_clockwise() const;
enum e_side get_rotate_counterclockwise() const;
bool validate() const;
size_t to_size_t() const;
public: /* Mutators */
void set_side(size_t side);
void set_side(enum e_side side);
void set_opposite();
void rotate_clockwise();
void rotate_counterclockwise();
private: /* internal data */
enum e_side side_;
};
#endif