int pnum = LDPs[j].size() + ((Fpt.size()==0) ? 0 : Fpt[j].size());
					if(pnum==0)
					{
						ErrorLog(POSSAMPLE_NOT_ENOUGH);
						Log(LOGERROR,modulename,"not sufficient positive training samples");
						return false;
					}
					int nnum = LDNs[j].size() + ((Fnt.size()==0) ? 0 : Fnt[j].size());
					if(nnum==0)
					{