某朋友要的LW%R指标

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//+------------------------------------------------------------------+
//| LW%R.mq4 |
//| Copyright ?2005, metaQuotes Software Corp. |
//| http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright Copyright ?2005, metaQuotes Software Corp.
#property link http://www.metaquotes.net
#property indicator_separate_window

#property indicator_buffers 2
#property indicator_color1 Silver
#property indicator_color2 Yellow


//---- input parameters
extern int NPeriod=9;
extern int KPeriod=3;
extern int SKPeriod=3;
extern int SDPeriod=3;

double ind_buffer1[];
double ind_buffer2[];
double ind_buffer3[];
double ind_buffer4[];
double ind_buffer5[];
double HighesBuffer[];
double LowesBuffer[];

int draw_begin1=0;
int draw_begin2=0;
//+------------------------------------------------------------------+
//| expert initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
//---- 2 additional buffers are used for counting.
IndicatorBuffers(7);
SetIndexBuffer(0, ind_buffer3);
SetIndexBuffer(1, ind_buffer4);
SetIndexBuffer(2, ind_buffer1);
SetIndexBuffer(3, ind_buffer2);
SetIndexBuffer(4, HighesBuffer);
SetIndexBuffer(5, LowesBuffer);
SetIndexBuffer(6, ind_buffer5);


//---- indicator lines
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0, ind_buffer3);
SetIndexStyle(1,DRAW_LINE);
SetIndexBuffer(1, ind_buffer4);

//---- name for DataWindow and indicator subwindow label
IndicatorShortName( LW%R( +NPeriod+ , +KPeriod+ , +SKPeriod+ , +SDPeriod+ )
SetIndexLabel(0, K
SetIndexLabel(1, D

//----
draw_begin1=NPeriod+SKPeriod;
draw_begin2=draw_begin1+KPeriod;
SetIndexDrawBegin(0,draw_begin1);
SetIndexDrawBegin(1,draw_begin2);
return(0);
}
//+------------------------------------------------------------------+
//| expert deinitialization function |
//+------------------------------------------------------------------+
int start()
{
int i,k;
int counted_bars=IndicatorCounted();
double price;
//----
if(Bars =draw_begin2) return(0);
//---- initial zero
if(counted_bars 1)
{
for(i=1;i =draw_begin1;i++) ind_buffer1[Bars-i]=0;
for(i=1;i =draw_begin2;i++) ind_buffer2[Bars-i]=0;
}
//---- minimums counting
i=Bars-NPeriod;
if(counted_bars NPeriod) i=Bars-counted_bars-1;
while(i =0)
{
double min=1000000;
k=i+NPeriod-1;
while(k =i)
{
price=Low[k];
if(min price) min=price;
k--;
}
LowesBuffer[i]=min;
i--;
}
//---- maximums counting
i=Bars-NPeriod;
if(counted_bars NPeriod) i=Bars-counted_bars-1;
while(i =0)
{
double max=-1000000;
k=i+NPeriod-1;
while(k =i)
{
price=High[k];
if(max price) max=price;
k--;
}
HighesBuffer[i]=max;
i--;
}
//---- %K line
i=Bars-draw_begin1;
if(counted_bars draw_begin1) i=Bars-counted_bars-1;
while(i =0)
{
double sumlow=0.0;
double sumhigh=0.0;
for(k=(i+SKPeriod-1);k k--)
{
sumlow+=Close[k]-LowesBuffer[k];
sumhigh+=HighesBuffer[k]-LowesBuffer[k];
}
if(sumhigh==0.0) ind_buffer1[i]=100.0;
else ind_buffer1[i]=sumlow/sumhigh*100;
i--;
}
//---- last counted bar will be recounted
if(counted_bars 0) counted_bars--;
int limit=Bars-counted_bars;
//---- signal line is simple movimg average
for(i=0; i limit; i++)
ind_buffer2[i]=iMAonArray(ind_buffer1,Bars,KPeriod,0,MODE_SMA,i);
for(i=0; i limit; i++)
{ind_buffer5[i]=iMAonArray(ind_buffer2,Bars,SKPeriod,0,MODE_SMA,i);
ind_buffer3[i]=100-ind_buffer5[i];
}
for(i=0; i limit; i++)
ind_buffer4[i]=100-iMAonArray(ind_buffer5,Bars,SDPeriod,0,MODE_SMA,i);

//----
return(0);
}
//+------------------------------------------------------------------+ 复制代码 朋友, 指标
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