[gnugo-devel] [PATCH 1/1] Add a '-d' debug flag for the Monte Carlo code.

[Chad Williamson]

Per a FIXME notice in montecarlo.c, replace the hardcoded mc_debug
variable with a DEBUG_MC flag for '-d'.
---
 engine/gnugo.h      | 2 ++
 engine/montecarlo.c | 7 ++-----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/engine/gnugo.h b/engine/gnugo.h
index b5b4d76..620b165 100644
--- a/engine/gnugo.h
+++ b/engine/gnugo.h
@@ -167,6 +167,7 @@ extern int output_flags;    /* amount of output to outfile 
*/
 #define DEBUG_LARGE_SCALE           0x1000000
 #define DEBUG_SPLIT_OWL             0x2000000
 #define DEBUG_TIME                  0x4000000
+#define DEBUG_MC                    0x8000000
 
 
 #define DEBUG_FLAGS "\
@@ -198,6 +199,7 @@ DEBUG_ORACLE_STREAM         0x1000000\n\
 DEBUG_LARGE_SCALE           0x1000000\n\
 DEBUG_SPLIT_OWL             0x2000000\n\
 DEBUG_TIME                  0x4000000\n\
+DEBUG_MC                    0x8000000\n\
 "
 
 
diff --git a/engine/montecarlo.c b/engine/montecarlo.c
index f13904f..bc0b429 100644
--- a/engine/montecarlo.c
+++ b/engine/montecarlo.c
@@ -34,9 +34,6 @@
 #include "random.h"
 #include <math.h>
 
-/* FIXME: Replace with a DEBUG_MC symbol for use with -d. */
-static int mc_debug = 0;
-
 #define TURN_OFF_ASSERTIONS 1
 
 
@@ -1559,7 +1556,7 @@ mc_generate_random_move(struct mc_game *game)
    * FIXME: Handle this in some proper way.
    */
   if (depth > 600) {
-    if (mc_debug) {
+    if (debug & DEBUG_MC) {
       int pos;
       fprintf(stderr, "Reached 600 iterations.\n");
       mc_showboard(mc, stderr);
@@ -2187,7 +2184,7 @@ uct_genmove(int color, int *move, int *forbidden_moves, 
int *allowed_moves,
     uct_dump_tree(&tree, "/tmp/ucttree.sgf", color, 50);
     
   /* Print information about the search tree. */
-  if (mc_debug) {
+  if (debug & DEBUG_MC) {
     while (1) {
       float mean;
       float std;
-- 
1.8.1.4