Index: trunk/src_3rd/libcdtr/cdt.c
===================================================================
--- trunk/src_3rd/libcdtr/cdt.c	(revision 33800)
+++ trunk/src_3rd/libcdtr/cdt.c	(revision 33801)
@@ -925,7 +925,7 @@
 
 	for(n = 0; n < cdt->points.used; n++) {
 		point_t *p = cdt->points.array[n];
-		fprintf(f, "raw_point %f %f\n", (double)p->pos.x, (double)p->pos.y);
+		fprintf(f, "raw_point %.16f %.16f\n", (double)p->pos.x, (double)p->pos.y);
 	}
 
 	for(n = 0; n < cdt->edges.used; n++) {