 | |  | | MT的RIS 指标 只有一条线, RIS (14)。本人已习惯了使用三条线的 RSI 指标,对此将其作了些修改,编译已经通过了,可是不能运行,可能输出格式有问题, 有懂得MT4 编程语言的高手帮个忙。
//+------------------------------------------------------------------+
//| RSI.m4 |
//| Copyright ?2004, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property copyright "Copyright ?2004, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
#property indicator_separate_window
#property indicator_minimum 0
#property indicator_maximum 100
#property indicator_buffers 3
#property indicator_color1 DodgerBlue
#property indicator_color2 Red
#property indicator_color3 Green
//---- input parameters
extern int RSIPeriod1=7;
extern int RSIPeriod2=14;
extern int RSIPeriod3=50;
//---- buffers
double PERBuffer[];
double RSIBuffer[,];
double PosBuffer[];
double NegBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
//---- 2 additional buffers are used for counting.
IndicatorBuffers(5);
SetIndexBuffer(1,PosBuffer);
SetIndexBuffer(2,NegBuffer);
//---- indicator line
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,RSIBuffer[1,]);
SetIndexStyle(1,DRAW_LINE);
SetIndexBuffer(1,RSIBuffer[2,]);
SetIndexStyle(2,DRAW_LINE);
SetIndexBuffer(2,RSIBuffer[3,]);
//---- name for DataWindow and indicator subwindow label
short_name="RSI("+RSIPeriod1+","+RSIPeriod2+","+RSIPeriod3+")";
IndicatorShortName(short_name);
SetIndexLabel(0,short_name);
//----
SetIndexDrawBegin(1,RSIPeriod1);
SetIndexDrawBegin(1,RSIPeriod2);
SetIndexDrawBegin(1,RSIPeriod3);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Relative Strength Index |
//+------------------------------------------------------------------+
int start()
{ int i,j,RSIPeriod,counted_bars=IndicatorCounted();
double rel,negative,positive;
PERBuffer[1]=RSIPeriod1;
PERBuffer[3]=RSIPeriod3;
PERBuffer[2]=RSIPeriod2;
{
for(j=1;j<=3;j++)
RSIPeriod= PERBuffer[j];
//----
if(Bars<=RSIPeriod) return(0);
//---- initial zero
if(counted_bars<1)
for(i=1;i<=RSIPeriod;i++) RSIBuffer[j,Bars-i]=0.0;
//----
i=Bars-RSIPeriod-1;
if(counted_bars>=RSIPeriod) i=Bars-counted_bars-1;
while(i>=0)
{
double sumn=0.0,sump=0.0;
if(i==Bars-RSIPeriod-1)
{
int k=Bars-2;
//---- initial accumulation
while(k>=i)
{
rel=Close[k]-Close[k+1];
if(rel>0) sump+=rel;
else sumn-=rel;
k--;
}
positive=sump/RSIPeriod;
negative=sumn/RSIPeriod;
}
else
{
//---- smoothed moving average
rel=Close-Close[i+1];
if(rel>0) sump=rel;
else sumn=-rel;
positive=(PosBuffer[i+1]*(RSIPeriod-1)+sump)/RSIPeriod;
negative=(NegBuffer[i+1]*(RSIPeriod-1)+sumn)/RSIPeriod;
}
PosBuffer=positive;
NegBuffer=negative;
if(negative==0.0) RSIBuffer[j,i]=0.0;
else RSIBuffer[j,i]=100.0-100.0/(1+positive/negative);
i--;
}
j--;
}
//----
return(0);
}
//+------------------------------------------------------------------+ |  |  |  |  |
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