+#define STOP_EPSILON 1.2e-4
+ COST( 3e5, line_bending_cost)
+ COST( 10e3, edge_length_variation_cost)
+ COST( 9.0e3, rim_proximity_cost) // 5e1 is too much
+ // 2.5e1 is too little
+ // 0.2e1 grows compared to previous ?
+ // 0.6e0 shrinks compared to previous ?
+
+// COST( 1e12, edge_angle_cost)
+ #define EDGE_ANGLE_COST_CIRCCIRCRAT (0.5/1.3)
+ COST( 1e18, noncircular_rim_cost)
+#endif
+
+#if XBITS>=5 /* nonsense follows but never mind */