src/sn-evolution.c: Don't mutate large networks.

The required brute-force checking can only be done for small (e. g. 16
inputs) networks.

diff --git a/src/sn-evolution.c b/src/sn-evolution.c
index 9ceff88..62b01eb 100644 (file)
--- a/src/sn-evolution.c
+++ b/src/sn-evolution.c
@@ -248,7 +248,7 @@ static int create_offspring (void)
 
   assert (SN_NETWORK_INPUT_NUM (n) == inputs_num);
 
-  if (sn_bounded_random (0, 100) <= 1)
+  if ((SN_NETWORK_INPUT_NUM (n) <= 16) && (sn_bounded_random (0, 100) <= 1))
     mutate_network (n);
 
   population_insert (population, n);