how to change iMAOnArray from Mt4 to MT5

Neda shahbazi
182
Neda shahbazi  

hi every one

I used below code in my expert in MT4 now I want use it in MT5 what should I replace instead of iMAOnArray in MT5

 

 SignalBuffer[i]=iMAOnArray(MainBuffer,Bars,DPeriod,0,MODE_SMA,i);

best regrads

Neda

Marco vd Heijden
Moderator
13655
Marco vd Heijden  
Migrating from MQL4 to MQL5
Migrating from MQL4 to MQL5
  • www.mql5.com
Practical Application Of Databases For Markets Analysis Working with data has become the main task for modern software - both for standalone and network applications. To solve this problem a specialized software were created. These are Database Management Systems (DBMS), that can structure, systematize and organize data for their computer...
ahmadasadi1342103
36
ahmadasadi1342103  
Neda shahbazi:

hi every one

I used below code in my expert in MT4 now I want use it in MT5 what should I replace instead of iMAOnArray in MT5

 

best regrads

Neda

double iMAOnArrayMQL4(double &array[],
                      int total,
                      int period,
                      int ma_shift,
                      int ma_method,
                      int shift)
  {
   double buf[],arr[];
   if(total==0) total=ArraySize(array);
   if(total>0 && total<=period) return(0);
   if(shift>total-period-ma_shift) return(0);
   switch(ma_method)
     {
      case MODE_SMA :
        {
         total=ArrayCopy(arr,array,0,shift+ma_shift,period);
         if(ArrayResize(buf,total)<0) return(0);
         double sum=0;
         int    i,pos=total-1;
         for(i=1;i<period;i++,pos--)
            sum+=arr[pos];
         while(pos>=0)
           {
            sum+=arr[pos];
            buf[pos]=sum/period;
            sum-=arr[pos+period-1];
            pos--;
           }
         return(buf[0]);
        }
      case MODE_EMA :
        {
         if(ArrayResize(buf,total)<0) return(0);
         double pr=2.0/(period+1);
         int    pos=total-2;
         while(pos>=0)
           {
            if(pos==total-2) buf[pos+1]=array[pos+1];
            buf[pos]=array[pos]*pr+buf[pos+1]*(1-pr);
            pos--;
           }
         return(buf[shift+ma_shift]);
        }
      case MODE_SMMA :
        {
         if(ArrayResize(buf,total)<0) return(0);
         double sum=0;
         int    i,k,pos;
         pos=total-period;
         while(pos>=0)
           {
            if(pos==total-period)
              {
               for(i=0,k=pos;i<period;i++,k++)
                 {
                  sum+=array[k];
                  buf[k]=0;
                 }
              }
            else sum=buf[pos+1]*(period-1)+array[pos];
            buf[pos]=sum/period;
            pos--;
           }
         return(buf[shift+ma_shift]);
        }
      case MODE_LWMA :
        {
         if(ArrayResize(buf,total)<0) return(0);
         double sum=0.0,lsum=0.0;
         double price;
         int    i,weight=0,pos=total-1;
         for(i=1;i<=period;i++,pos--)
           {
            price=array[pos];
            sum+=price*i;
            lsum+=price;
            weight+=i;
           }
         pos++;
         i=pos+period;
         while(pos>=0)
           {
            buf[pos]=sum/weight;
            if(pos==0) break;
            pos--;
            i--;
            price=array[pos];
            sum=sum-lsum+price*period;
            lsum-=array[i];
            lsum+=price;
           }
         return(buf[shift+ma_shift]);
        }
      default: return(0);
     }
   return(0);
  }
lippmaje
1660
lippmaje  

See also the MovingAverages.mqh in your MT5 include folder. It contains several functions to calculate a moving average from a buffer:

int SimpleMAOnBuffer(const int rates_total,const int prev_calculated,const int begin,
                     const int period,const double& price[],double& buffer[])
int ExponentialMAOnBuffer(const int rates_total,const int prev_calculated,const int begin,
                          const int period,const double& price[],double& buffer[])
int LinearWeightedMAOnBuffer(const int rates_total,const int prev_calculated,const int begin,
                             const int period,const double& price[],double& buffer[],int &weightsum)
int SmoothedMAOnBuffer(const int rates_total,const int prev_calculated,const int begin,
                       const int period,const double& price[],double& buffer[])