sd_dist = sd(distances2)
                                if (sd_dist < .Machine$double.eps)
                                {
-                                       warning("All computed distances are very close: stdev too small")
+#                                      warning("All computed distances are very close: stdev too small")
                                        sd_dist = 1 #mostly for tests... FIXME:
                                }
                                simils_endo =
                                sd_dist = sd(distances2)
                                if (sd_dist < .Machine$double.eps)
                                {
-                                       warning("All computed distances are very close: stdev too small")
+#                                      warning("All computed distances are very close: stdev too small")
                                        sd_dist = 1 #mostly for tests... FIXME:
                                }
                                simils_exo =