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6. Misc

• int reducible ( int i, int j, int color, board_map board )

  Description:

  determines whether a move/placement is legal for a given colour/side in an i,j coordinate on the board

  Inputs:

  color of the player whose turn it is; the i and j board coordinates which are virtually the X,Y position of the board at which the stone is to be put (progressing left to right, top to bottom); the board to be dealt with

  Returns:

  boolean indicating is the placement is legal or not

• void calculatescore ( void )

  Description:

  calculates the current score for red and black

• board_map reduce ( int i, int j, board_map board )

  Description:

  a function used to do all the Othello-wise reductions and substitutions in colours of the objects.

  Inputs:

  the coordinates of the last stone put, according to which the correct reductions can be carried out; the board to be dealt with

  Returns:

  the new layout of the board

• void calculate_mobility ( void )

  Description:

  calculates mobility of both sides

• void check_deadlock ( void )

  Description:

  checks if a deadlock has occurred in which case the game has reached an end or turn passed (if mobility of current side is 0)

• void finishoff ( void )

  Description:

  called when the game has reached an end and declares the result

• void file_draw_ascii_board ( board_map board, FILE * file )

  Description:

  puts an ASCII representation of the board on the log file

  Inputs:

  the input board and the file pointer

• void close_log_file ( void )

  Description:

  closes the log file when a game is finished and displays the game score

• void add_to_report ( void )

  Description:

  adds the given game to a report file