這個 C++ 函數為什么不會輸出圖線？/////中間的代碼去掉。是可以顯示正確的圖線的。為什么，怎么改。讓pData->m_pResultBuf3[i2]=priceup;輸出　[金字塔]

__declspec(dllexport) int WINAPI AMA(CALCINFO* pData)
{
 if(pData->m_pfParam1 && pData->m_pfParam2 &&  //參數1,2有效
  pData->m_nParam1Start>=0 &&     //參數1為序列數
  pData->m_pfParam3==NULL)     //有2個參數
 {
  const float*  pValue = pData->m_pfParam1; //參數1
  int nFirst = pData->m_nParam1Start;   //有效值起始位
  float fParam = *pData->m_pfParam2;   //參數2
  int nPeriod = (int)fParam;   
  if( nFirst >= 0 && nPeriod > 0 )
  {
   float fTotal; 
   float noise,diff,signal,erc;
   int i, k;
   int datacount;
    datacount= pData->m_nNumData;
   if (datacount<nPeriod)
    for (i=0;i<nPeriod-1;i++)
    fTotal=pData->m_pData[i].m_fClose;    
   else
    i=nPeriod-1;
    fTotal=pData->m_pData[i-1].m_fClose;
    while (i<=datacount)
    {
     noise=0.0f;
     diff=0.0f;
     for (k=1;k<nPeriod;k++)
     {
      diff=fabs(pValue[i-k+1]-pValue[i-k]);
      noise+=diff;
     }
     signal=fabs(pValue[i]-pValue[i-nPeriod+1]);
     if (noise==0.0f)
      erc=0.0f;
     else
     {
      erc=(signal/noise);     
     }
     fTotal+=erc*(pValue[i]-fTotal);
     pData->m_pResultBuf[i] = fTotal;

//--------------------------------------------
////////下面插入pricedn值 and priceup值 的計算：
     int i2;
     float pricedn;
     float priceup;
     int k1,k2;
     double mindiff;
     float noise1,diff1,signal1,erc1;
     i2=i;
     mindiff=0.01;
     if (pData->m_pResultBuf[i2]>=pData->m_pResultBuf[i2-1])
      for (k1=1;k1<=1000000;k1++)
      {
       pricedn=pData->m_pData[i2-1].m_fClose-k1*mindiff;
       noise1=0;
          diff1=0;
          signal1=0;
          for (k2=1;k2<=nPeriod-1;k2++)          
       {
        diff1=fabs(pValue[i2-k2+1]-pValue[i2-k2]);
        noise1=noise1+diff1;
       }
        
          noise1=noise1+fabs(pricedn-pValue[i2-1]);       
          signal1=fabs(pricedn-pValue[i-nPeriod+1]); 
          if (noise1==0)
           erc1=0;
          else
           erc1=signal1/noise1;           
          pData->m_pResultBuf1[i2]=pData->m_pResultBuf[i2-1]+erc1*(pricedn-pData->m_pResultBuf[i2-1]);
          if (pData->m_pResultBuf1[i2] < pData->m_pResultBuf[i2-1])
           k1=1000001;
       pData->m_pResultBuf2[i2]=pricedn;
      }

     else

      for (k1=1;k1<=1000000;k1++)
      {
       priceup=pData->m_pData[i2-1].m_fClose+k1*mindiff;
       noise1=0;
          diff1=0;
          signal1=0;
          for (k2=1;k2<=nPeriod-2;k2++)          
       {
        diff1=fabs(pValue[i2-k2+1]-pValue[i2-k2]);       
           noise1=noise1+diff1;
       }
        
          noise1=noise1+fabs(priceup-pData->m_pData[i2-1].m_fClose);       
          signal1=fabs(priceup-pData->m_pData[i2-(nPeriod-1)].m_fClose); 
          if (noise1==0)
           erc1=0;
          else
           erc1=signal1/noise1;           
          pData->m_pResultBuf1[i2]=pData->m_pResultBuf[i2-1]+erc1*(priceup-pData->m_pResultBuf[i2-1]);
          if (pData->m_pResultBuf1[i2]>=pData->m_pResultBuf[i2-1])
           k1=1000001;
       pData->m_pResultBuf3[i2]=priceup;
      }

//pricedn值 and priceup值 計算結束
//----------------------------------------------
     i++;
    }
   return nFirst+nPeriod-1;
  }
 }
 return -1;
}

pResultBuf1,pResultBuf2等這些都不是金字塔支持的類型。

返回值的定義問題，請參考 http://www.weistock.com/bbs/dispbbs.asp?boardid=4&Id=10616