Add number of passes to benchmark output

2022-11-23 15:46:21 +00:00
parent 07c1fc7a0f
commit d74b5410b6
3 changed files with 20 additions and 12 deletions
--- a/solve.h
+++ b/solve.h
@@ -22,9 +22,10 @@
 #include "sud.h"

 /**
- * Attempt to solve the given sudoku. Returns when no rules match for
- * an entire pass over the puzzle.
+ * Attempt to solve the given sudoku. Finishes when no rules match for
+ * an entire pass over the puzzle, returning the number of passes, or
+ * -1 on error.
 */
-bool solve(struct sudoku *sud);
+int solve(struct sudoku *sud);

 #endif