thepigeongenerator/sudoku-algo
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rename sudoku constants to shorter names

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This commit is contained in:
Quinn
2025-07-30 13:14:30 +02:00
parent 0453c21a3c
commit 4c707a0fa6
3 changed files with 11 additions and 11 deletions
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2
src/main.c
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@@ -7,7 +7,7 @@
int main(int argc, char **argv) {
(void)argc, (void)argv;
u16 board[SUDOKU_DEPTH_2] = {
u16 board[SUDOKU_LEN] = {
// clang-format off
0x010, 0x004, 0x000, 0x000, 0x040, 0x000, 0x000, 0x000, 0x000,
0x020, 0x000, 0x000, 0x001, 0x100, 0x010, 0x000, 0x000, 0x000,

14
src/sudoku.c
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@@ -14,18 +14,18 @@ static inline void setbrdpos(u16 *brd, u16 val) {
}
void sudoku_place(u16 *brd, u16 val, uint idx) {
uint icol = idx % SUDOKU_DEPTH;
uint icol = idx % SUDOKU_DPT;
uint irow = idx - icol;
uint ibox = idx - (idx % SUDOKU_DEPTH_SQRT);
for (uint i = 0; i < SUDOKU_DEPTH; i++) {
uint ibox = idx - (idx % SUDOKU_BOXLEN);
for (uint i = 0; i < SUDOKU_DPT; i++) {
setbrdpos(&brd[irow + i], val);
setbrdpos(&brd[icol + (i * SUDOKU_DEPTH)], val);
setbrdpos(&brd[ibox + (i / SUDOKU_DEPTH_SQRT * SUDOKU_DEPTH) + (i % SUDOKU_DEPTH_SQRT)], val);
setbrdpos(&brd[icol + (i * SUDOKU_DPT)], val);
setbrdpos(&brd[ibox + (i / SUDOKU_BOXLEN * SUDOKU_DPT) + (i % SUDOKU_BOXLEN)], val);
}
}
void sudoku_solve_step(u16 *board) {
for (uint i = 0; i < SUDOKU_DEPTH_2; i++) {
for (uint i = 0; i < SUDOKU_LEN; i++) {
board[i] |= SUDOKU_ALL & -!board[i];
switch (board[i]) {
@@ -45,7 +45,7 @@ void sudoku_solve_step(u16 *board) {
void sudoku_print(const u16 *board) {
printf("+———-———-———-———-———-———-———-———-———+\n");
for (uint i = 0; i < SUDOKU_DEPTH_2; i++) {
for (uint i = 0; i < SUDOKU_LEN; i++) {
char tile;
switch (board[i]) {
case 0: tile = 'x'; break;

6
src/sudoku.h
View File

@@ -4,9 +4,9 @@
#include "util/intdef.h"
#define SUDOKU_DEPTH_SQRT 3
#define SUDOKU_DEPTH (SUDOKU_DEPTH_SQRT * SUDOKU_DEPTH_SQRT)
#define SUDOKU_DEPTH_2 (SUDOKU_DEPTH * SUDOKU_DEPTH)
#define SUDOKU_BOXLEN 3
#define SUDOKU_DPT 9
#define SUDOKU_LEN (SUDOKU_DPT * SUDOKU_DPT)
/* bitmask */
enum sudoku_bitmask {