int CMA::GetSignal( int nIndex, UINT * pnCode )
{
// 金叉或者死叉
int nSignal = GetForkSignal( nIndex, m_adwMADays, m_itsGoldenFork, m_itsDeadFork, pnCode );
if( ITS_ISBUY(nSignal) || ITS_ISSELL(nSignal) )
return nSignal;
// 趋势
return GetTrendIntensity( nIndex, m_adwMADays, m_itsLong, m_itsShort, pnCode );
}
// 得到趋势信号
int CTechnique::GetTrendIntensity(int nIndex, CSPDWordArray & adwDays,
UINT itsLong, UINT itsShort, UINT * pnCode )
{
if( pnCode ) *pnCode = ITSC_NOTHING;
if( nIndex <= 0 )
return ITS_NOTHING;
int nRet = ITS_NOTHING;
for( int k=1; k<adwDays.GetSize(); k++ )
{
double dMALast1, dMALast2, dMANow1, dMANow2;
if( !Calculate( &dMALast1, nIndex-1, min(adwDays[k-1],adwDays[k]), FALSE )
|| !Calculate( &dMALast2, nIndex-1, max(adwDays[k-1],adwDays[k]), FALSE )
|| !Calculate( &dMANow1, nIndex, min(adwDays[k-1],adwDays[k]), FALSE )
|| !Calculate( &dMANow2, nIndex, max(adwDays[k-1],adwDays[k]), FALSE ) )
return ITS_NOTHING;
if( dMANow1 >= dMALast1 && dMANow2 >= dMALast2
&& dMANow1 > dMANow2 && (dMANow1-dMANow2)>=(dMALast1-dMALast2)
&& (ITS_ISBUY(nRet) || 1==k) )
{
if( pnCode ) *pnCode = ITSC_LONG;
nRet = itsLong;
}
else if( dMANow1 <= dMALast1 && dMANow2 <= dMALast2
&& dMANow1 < dMANow2 && (dMANow1-dMANow2)<=(dMALast1-dMALast2)
&& (ITS_ISSELL(nRet) || 1==k) )
{
if( pnCode ) *pnCode = ITSC_SHORT;
nRet = itsShort;
}
else
{
if( pnCode ) *pnCode = ITSC_NOTHING;
return ITS_NOTHING;
}
}
return nRet;
}