Push version 0.3.0

logic.h

@@ -1,16 +1,54 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 #pragma once
 
+#include <stddef.h>
 #include "config.h"
 #include "types.h"
 
+// Types for using a bit more ram to avoid duplicated computations
+typedef struct {
+	column_t *vertical2;
+	column_t *horizontal2;
+	column_t *diagonalUp2;
+	column_t *diagonalDown2;
+	column_t *vertical4;
+	column_t *horizontal4;
+	column_t *diagonalUp4;
+	column_t *diagonalDown4;
+} directions_t;
+
+typedef struct {
+	column_t *win0;
+	column_t *win1;
+	directions_t same;
+} wins_t;
+
+extern winint_t countcmp(
+	const board_t a,
+	const board_t b
+);
+
+// Get a random column in the board
+extern columnsint_t randomColumn(
+	const board_t board
+);
+
+// Put a piece in the board
 extern void playMove(
 	board_t *boardptr,
 	const columnsint_t column
 );
 
+// Calculate wins
 extern void calcWins(
-	wins_t *wins,
-	const board_t board,
+	// Null pointer on systems where the extra ram is not available
+	wins_t  *wins,
+	board_t *boardptr,
 	const columnsint_t column
 );
+
+// Reference implementation for calculating wins,
+// slow AF especially on big boards
+extern void calcWins_slow(
+	board_t *boardptr
+);