From cf7d665598e34e32d258775b583968e758c8f2fb Mon Sep 17 00:00:00 2001
From: tslil <tslil@posteo.de>
Date: Wed, 13 Jan 2021 23:41:32 -0500
Subject: Fixed minimax (!), fixed bugs in tak.c

With minimax of depth 1 the evaluation function seems alright with the
current method of training and generating weights
---
 src/pptdb.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

(limited to 'src/pptdb.c')

diff --git a/src/pptdb.c b/src/pptdb.c
index a67be1d..dbadfdf 100644
--- a/src/pptdb.c
+++ b/src/pptdb.c
@@ -4,10 +4,10 @@
 
 #include <tak.h>
 
-int  generate;
+float max_flats;
 uint64_t heights[16];
-float max_flats, outcome_black;
 FILE *training_fh = NULL;
+int generate, outcome_black;
 
 const int max_depth = 8;
 
@@ -107,11 +107,7 @@ parse_line(const char *pt, const ssize_t read) {
 		// Generate training data, not too early in the game
 		if (generate && ply + 5 > total_plies) {
 			write_input();
-			if (ply >= total_plies) {
-				if (outcome_black > 0.5) outcome_black = 1.0;
-				else outcome_black = 0.0;
-			}
-			fprintf(training_fh,"%.2f\n", outcome_black);
+			fprintf(training_fh,"%df\n", outcome_black);
 		}
 		// Parse next action
 		while (idx<read && pt[idx++]!=',');
@@ -164,8 +160,8 @@ main(int argc, char **argv) {
 		// Reset everything
 		reset_state(size);
 		// Store the outcome of this game. Black win = 1
-		if (line[read-4] == '0') outcome_black = 0.99;
-		else outcome_black = 0.01;
+		if (line[read-4] == '0') outcome_black = 1;
+		else outcome_black = 0;
 		// Parse the line
 		r = parse_line(line,read-4);
 		// Adjust counts if we're not generating training data
-- 
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