Added license information!

1 files changed, 35 insertions, 13 deletions

diff --git a/include/negamax.h b/include/negamax.h
index b41871e..77461b8 100644
--- a/include/negamax.h
+++ b/include/negamax.h
@@ -1,30 +1,52 @@
+/*
+	This file is part of ctak.
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful, but
+	WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+	General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Takwrap.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 #include <stdint.h>
 #include <math.h>
 
 #include <tak.h>
-
 #include <actions.h>
 #include <cnn1986.h>
 #include <tt_llcht.h>
-#include <xorshift64.h>
 #include <zobrist.h>
 
+// ===================================================================
+// Variables
+// ===================================================================
+
 extern const float infty;
 extern char negamax_ptn[9];
 extern uint8_t negamax_search_depth;
 
-extern inline void
-negamax_display_progress(const uint8_t, const uint32_t length);
+extern void negamax_display_progress(const uint8_t cur_depth,
+																		 const uint32_t length);
+
+// ===================================================================
+// Methods
+// ===================================================================
 
-void
-negamax_init(const uint8_t new_board_size);
+void negamax_init(const uint8_t new_board_size);
 
-void
-negamax_free(void);
+void negamax_free(void);
 
-// Do negamax to depth negamax_search_depth and return PTN of best move
-// in negamax_ptn, along with its value as the return. The
-// negamax_display_progress function is called on every new square at
-// the top level.
+/*
+ * Do α-β negamax with transposition tables and naïve move ordering to
+ * depth `negamax_search_depth' and store the PTN of best move in
+ * `negamax_ptn', and return its value. The `negamax_display_progress'
+ * function is called on every new square at the top level.
+ */
 float negamax_generate(void);
-extern uint8_t yes;