大智慧公式dll加密之我见：VC6.0 如何编写大智慧飞狐等股票dll函数举例

VC6.0 如何编写大智慧飞狐等股票dll函数举例

编写 zig(c,10) 函数

 

源码如下

 

__declspec(dllexport) int WINAPI ZIG(CALCINFO* pData)

{

     float c2,c3;

     if ( pData->m_pfParam1&&               //参数1有效

        pData->m_nParam1Start<0&&           //参数1为常数

        pData->m_pfParam2==NULL)           //仅有一个参数

    {

       float fParam = *pData->m_pfParam1;

      int nPeriod =(int)fParam;           //参数1

       if(nPeriod>0)

       {

           int i, p;

           float vclose;

           p=0;

           for ( i =0; i < pData->m_nNumData;i++ ) //全部清零

           {

               pData->m_pResultBuf = 0;

               c2=pData->m_pData.m_fClose;

               c3=pData->m_pData.m_fClose;

           }

           for(i=1;i<pData->m_nNumData;i++)

           {

               vclose=pData->m_pData.m_fClose;

               if(p==0 || p==1)

               {

                   if(vclose >= c2*(1-(float)nPeriod/100))

                       c2= c2>=c2 ? c2:c2;

                   else

                   {   p=-1;

                       pData->m_pResultBuf=-1;

                   }

               }

               if(p==0 || p==-1)

               {

                   if(vclose <= c3*(1+(float)nPeriod/100))

                       c3=c3>=c3 ? c3:c3;

                   else

                   {    p=1;

                       pData->m_pResultBuf=1;

                   }

               }

              }

       }

    }

    return0;

}