allow compiling spuriously with XBITS>=6

diff --git a/energy.c b/energy.c
index 930a9d58a1de886473bc59e403dcc03d77c27486..368abc4b29f78621cd707056a0ac99aec01fc726 100644 (file)
--- a/energy.c
+++ b/energy.c
@@ -59,7 +59,7 @@ static const CostContribution costs[]= {
     COST(  1e18,   noncircular_rim_cost)
 #endif
 
-#if XBITS==5
+#if XBITS>=5 /* nonsense follows but never mind */
 #define STOP_EPSILON 1e-6
     COST(  3e5,   line_bending_cost)
     COST( 10e2,   edge_length_variation_cost)