가시성 범위 및 변수 수명

void CalculateLWMA(int rates_total,int prev_calculated,int begin,const double &price[])
  {
   int        i,limit;
   static int weightsum=0;
   double     sum=0;
//---
   if(prev_calculated==0)
     {
      limit=MA_Period+begin;
      //--- 첫 번째 한계 막대의 빈 값 설정
      for(i=0; i<limit; i++) LineBuffer[i]=0.0;
      //--- 첫번째 가시적 값 계산
      double firstValue=0;
      for(int i=begin; i<limit; i++)
        {
         int k=i-begin+1;
         weightsum+=k;
         firstValue+=k*price[i];
        }
      firstValue/=(double)weightsum;
      LineBuffer[limit-1]=firstValue;
    }
   else
     {
      limit=prev_calculated-1;
    }
 
   for(i=limit;i<rates_total;i++)
     {
      sum=0;
      for(int j=0; j<MA_Period; j++) sum+=(MA_Period-j)*price[i-j];
      LineBuffer[i]=sum/weightsum;
    }
//---
  }

      for(int i=begin; i<limit; i++)
        {
         int k=i-begin+1;
         weightsum+=k;
         firstValue+=k*price[i];
        }