mt4的指标

哦，忘了说了，是mq4的。　　#property indicator_chart_window　　#property indicator_buffers 1　　#property indicator_color1 red　　//---- indicator parameters　　extern int extdepth=12;　　extern int extdeviation=5;　　extern int extbackstep=3;　　//---- indicator buffers　　double zigzagbuffer[];　　double highmapbuffer[];　　double lowmapbuffer[];　　int level=3; // recounting's depth　　bool downloadh**tory=false;　　//+------------------------------------------------------------------+　　//| custom indicator initialization function |　　//+------------------------------------------------------------------+　　int init()　　{　　indicatorbuffers(3);　　//---- drawing settings　　setindexstyle(0,draw_section);　　//---- indicator buffers mapping　　setindexbuffer(0,zigzagbuffer);　　setindexbuffer(1,highmapbuffer);　　setindexbuffer(2,lowmapbuffer);　　setindexemptyvalue(0,0.0);　　//---- indicator short name　　indicatorshortname("zigzag("+extdepth+","+extdeviation+","+extbackstep+")");　　//---- initialization done　　return(0);　　}　　//+------------------------------------------------------------------+　　//| |　　//+------------------------------------------------------------------+　　int start()　　{　　int i, counted_bars = indicatorcounted();　　int limit,counterz,whatlookfor;　　int shift,back,lasthighpos,lastlowpos;　　double val,res;　　double curlow,curhigh,lasthigh,lastlow;　　if (counted_bars==0 && downloadh**tory) // h**tory was downloaded　　{　　arrayinitialize(zigzagbuffer,0.0);　　arrayinitialize(highmapbuffer,0.0);　　arrayinitialize(lowmapbuffer,0.0);　　}　　if (counted_bars==0)　　{　　limit=bars-extdepth;　　downloadh**tory=true;　　}　　if (counted_bars>0)　　{　　while (counterz<level && i<100)　　{　　res=zigzagbuffer[i];　　if (res!=0) counterz++;　　i++;　　}　　i--;　　limit=i;　　if (lowmapbuffer[i]!=0)　　{　　curlow=lowmapbuffer[i];　　whatlookfor=1;　　}　　else　　{　　curhigh=highmapbuffer[i];　　whatlookfor=-1;　　}　　for (i=limit-1;i>=0;i--)　　{　　zigzagbuffer[i]=0.0;　　lowmapbuffer[i]=0.0;　　highmapbuffer[i]=0.0;　　}　　}　　for(shift=limit; shift>=0; shift--)　　{　　val=low[ilowest(**,0,mode_low,extdepth,shift)];　　if(val==lastlow) val=0.0;　　else　　{　　lastlow=val;　　if((low[shift]-val)>(extdeviation*point)) val=0.0;　　else　　{　　for(back=1; back<=extbackstep; back++)　　{　　res=lowmapbuffer[shift+back];　　if((res!=0)&&(res>val)) lowmapbuffer[shift+back]=0.0;　　}　　}　　}　　if (low[shift]==val) lowmapbuffer[shift]=val; else lowmapbuffer[shift]=0.0;　　//--- high　　val=high[ihighest(**,0,mode_high,extdepth,shift)];　　if(val==lasthigh) val=0.0;　　else　　{　　lasthigh=val;　　if((val-high[shift])>(extdeviation*point)) val=0.0;　　else　　{　　for(back=1; back<=extbackstep; back++)　　{　　res=highmapbuffer[shift+back];　　if((res!=0)&&(res<val)) highmapbuffer[shift+back]=0.0;　　}　　}　　}　　if (high[shift]==val) highmapbuffer[shift]=val; else highmapbuffer[shift]=0.0;　　}　　// final cutting　　if (whatlookfor==0)　　{　　lastlow=0;　　lasthigh=0;　　}　　else　　{　　lastlow=curlow;　　lasthigh=curhigh;　　}　　for (shift=limit;shift>=0;shift--)　　{　　res=0.0;　　switch(whatlookfor)　　{　　case 0: // look for peak or lawn　　if (lastlow==0 && lasthigh==0)　　{　　if (highmapbuffer[shift]!=0)　　{　　lasthigh=high[shift];　　lasthighpos=shift;　　whatlookfor=-1;　　zigzagbuffer[shift]=lasthigh;　　res=1;　　}　　if (lowmapbuffer[shift]!=0)　　{　　lastlow=low[shift];　　lastlowpos=shift;　　whatlookfor=1;　　zigzagbuffer[shift]=lastlow;　　res=1;　　}　　}　　break;　　case 1: // look for peak　　if (lowmapbuffer[shift]!=0.0 && lowmapbuffer[shift]<lastlow && highmapbuffer[shift]==0.0)　　{　　zigzagbuffer[lastlowpos]=0.0;　　lastlowpos=shift;　　lastlow=lowmapbuffer[shift];　　zigzagbuffer[shift]=lastlow;　　res=1;　　}　　if (highmapbuffer[shift]!=0.0 && lowmapbuffer[shift]==0.0)　　{　　lasthigh=highmapbuffer[shift];　　lasthighpos=shift;　　zigzagbuffer[shift]=lasthigh;　　whatlookfor=-1;　　res=1;　　}　　break;　　case -1: // look for lawn　　if (highmapbuffer[shift]!=0.0 && highmapbuffer[shift]>lasthigh && lowmapbuffer[shift]==0.0)　　{　　zigzagbuffer[lasthighpos]=0.0;　　lasthighpos=shift;　　lasthigh=highmapbuffer[shift];　　zigzagbuffer[shift]=lasthigh;　　}　　if (lowmapbuffer[shift]!=0.0 && highmapbuffer[shift]==0.0)　　{　　lastlow=lowmapbuffer[shift];　　lastlowpos=shift;　　zigzagbuffer[shift]=lastlow;　　whatlookfor=1;　　}　　break;　　default: return;　　}　　}　　return(0);　　} 20210311