主题：[交易系统]动态突破系统

有哪个好心人请帮忙添加注释！

input:ceilingamt(60,15,80,5){????},flooramt(20,5,40,5){???},bolbandtrig(2,1,5,0.5){???};

variable:lookbackdays=20;       //突破周期

todayvolatility:=std(close,30);                    //30周标准差
yesterdayvolatility:=std(ref(close,1),30);     //前周标准差

deltavolatility:=(todayvolatility-yesterdayvolatility)/todayvolatility;   //估算差波动率

lookbackdays:=lookbackdays*(1+deltavolatility);    //突破周期*波动率
lookbackdays:=round(lookbackdays); 
lookbackdays:=min(lookbackdays,ceilingamt);   //    跟下一句可能有冲突？？？？
lookbackdays:=max(lookbackdays,flooramt);     //  ？？？？？？？

mid:=ma(close,lookbackdays);        
upband:=mid+bolbandtrig*std(close,lookbackdays);
dnband:=mid-bolbandtrig*std(close,lookbackdays);

buypoint:=ref(hhv(high,lookbackdays),1);
sellpoint:=ref(llv(low,lookbackdays),1);

longliqpoint:=ma(close,lookbackdays);
shortliqpoint:=ma(close,lookbackdays);