31 lines
694 B
C
31 lines
694 B
C
/**
|
|
* Sudoku board header file
|
|
*
|
|
* Created by Gabriel Tofvesson
|
|
*/
|
|
|
|
|
|
|
|
/**
|
|
* Simple definition of a board element. Vaild values range: 0-8
|
|
*/
|
|
struct board_element {
|
|
unsigned char has_value : 1; /* Whether element has a decided value */
|
|
|
|
union {
|
|
unsigned char value : 4; /* Value of element */
|
|
unsigned short potential : 9; /* Bitfield of possible values */
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Board structure representing the state of a Sudoku game
|
|
* Complexity describes
|
|
*
|
|
* TODO: Replace elements with packed structure
|
|
*/
|
|
struct board {
|
|
struct board_element elements[81]; /* Game board */
|
|
unsigned char complexity; /* Complexity of simplest element */
|
|
};
|