MACD_LSMA_EMA

1. //+------------------------------------------------------------------+
   
2. //|                                                MACD_LSMA_EMA.mq4 |
   
3. //|                                     Copyright @2007, Robert Hill |
   
4. //+------------------------------------------------------------------+
   
5. #property copyright "下载更多外汇EA，外汇指标，交易系统，就到【外汇EA之家】"
   
6. #property link      "http://www.eazhijia.com"
   
7. 
   
8. #property  indicator_separate_window
   
9. #property  indicator_buffers 4
   
10. #property  indicator_color1  Aqua
    
11. #property  indicator_color2  Red
    
12. #property  indicator_color3  Green
    
13. #property  indicator_color4  Red
    
14. 
    
15. input int FastEMA=12;
    
16. input int SlowEMA=26;
    
17. input int SignalSMA=9;
    
18. 
    
19. double     MACD_buffer[];
    
20. double     Signal_buffer[];
    
21. double HistogramBufferUp[];
    
22. double HistogramBufferDown[];
    
23. bool   ExtParameters=false;
    
24. //+------------------------------------------------------------------+
    
25. //| Custom indicator initialization function                         |
    
26. //+------------------------------------------------------------------+
    
27. int OnInit(void)
    
28.   {
    
29.    IndicatorDigits(Digits+1);
    
30.    SetIndexStyle(0,DRAW_LINE,STYLE_SOLID);
    
31.    SetIndexBuffer(0,MACD_buffer);
    
32.    SetIndexDrawBegin(0,SlowEMA);
    
33.    SetIndexStyle(1,DRAW_LINE,STYLE_DOT);
    
34.    SetIndexBuffer(1,Signal_buffer);
    
35.    SetIndexDrawBegin(1,SignalSMA);
    
36.    SetIndexStyle(2,DRAW_HISTOGRAM,STYLE_SOLID);
    
37.    SetIndexBuffer(2,HistogramBufferUp);
    
38.    SetIndexStyle(3,DRAW_HISTOGRAM,STYLE_SOLID);
    
39.    SetIndexBuffer(3,HistogramBufferDown);
    
40.    IndicatorDigits(Digits+1);
    
41. 
    
42.    IndicatorShortName("MACD_LSMA_EMA("+IntegerToString(FastEMA)+","+IntegerToString(SlowEMA)+","+IntegerToString(SignalSMA)+")");
    
43.    SetIndexLabel(0,"MACD");
    
44.    SetIndexLabel(1,"Signal");
    
45.    SetIndexLabel(2,"Histogram");
    
46.    if(FastEMA<=1 || SlowEMA<=1 || SignalSMA<=1 || FastEMA>=SlowEMA)
    
47.      {
    
48.       Print("Wrong input parameters");
    
49.       ExtParameters=false;
    
50.       return(INIT_FAILED);
    
51.      }
    
52.    else
    
53.       ExtParameters=true;
    
54.    Comment("www.eazhijia.com");
    
55.     return(INIT_SUCCEEDED);
    
56.   }
    
57. //+------------------------------------------------------------------------+
    
58. //| LSMA - Least Squares Moving Average function calculation               |
    
59. //| LSMA_In_Color Indicator plots the end of the linear regression line    |
    
60. //+------------------------------------------------------------------------+
    
61. double LSMA(int Rperiod, int shift)
    
62. {
    
63.    int i;
    
64.    double sum;
    
65.    int length;
    
66.    double lengthvar;
    
67.    double tmp;
    
68.    double wt;
    
69. 
    
70.    length = Rperiod;
    
71.    sum = 0;
    
72.    for(i = length; i >= 1  ; i--)
    
73.    {
    
74.      lengthvar = length + 1;
    
75.      lengthvar /= 3;
    
76.      tmp = 0;
    
77.      tmp = ( i - lengthvar)*Close[length-i+shift];
    
78.      sum+=tmp;
    
79.     }
    
80.     wt = MathFloor(sum*6/(length*(length+1))/Point)*Point;
    
81.     return(wt);
    
82. }
    
83. //+------------------------------------------------------------------+
    
84. //| Moving Averages Convergence/Divergence                           |
    
85. //+------------------------------------------------------------------+
    
86. int OnCalculate(const int rates_total,
    
87.                 const int prev_calculated,
    
88.                 const datetime &time[],
    
89.                 const double &open[],
    
90.                 const double &high[],
    
91.                 const double &low[],
    
92.                 const double &close[],
    
93.                 const long &tick_volume[],
    
94.                 const long &volume[],
    
95.                 const int &spread[])
    
96.   {
    
97.    double temp;
    
98.    int i,limit;
    
99. //---
    
100.    if(rates_total<=SignalSMA || !ExtParameters)
     
101.       return(0);
     
102. //--- last counted bar will be recounted
     
103.    limit=rates_total-prev_calculated;
     
104.    if(prev_calculated>0)
     
105.       limit++;
     
106. 
     
107.    for(i=0; i<limit; i++)
     
108.       MACD_buffer[i]=LSMA(FastEMA,i)-LSMA(SlowEMA,i);
     
109. 
     
110.    for(i=0; i<limit; i++)
     
111.       Signal_buffer[i]=iMAOnArray(MACD_buffer,Bars,SignalSMA,0,MODE_EMA,i);
     
112. 
     
113.    for(i=0; i<limit; i++)
     
114.    {
     
115.       HistogramBufferUp[i] = 0;
     
116.       HistogramBufferDown[i] = 0;
     
117.       temp = MACD_buffer[i] - Signal_buffer[i];
     
118.       if (temp >= 0)
     
119.         HistogramBufferUp[i] = temp;
     
120.       else
     
121.         HistogramBufferDown[i] = temp;
     
122.    }
     
123.     return(rates_total);
     
124.   }

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MACD_LSMA_EMA.mq4

2017-12-27 11:51

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