double GuideAlgorithmLowpass::result(double input)
{
m_history.Add(input);
ArrayOfDbl sortedHistory(m_history);
sortedHistory.Sort(dbl_sort_func);
m_history.RemoveAt(0);
unsigned int numpts = m_history.GetCount();
double median = sortedHistory[sortedHistory.GetCount()/2];
double slope = CalcSlope(m_history);
double dReturn = median + m_slopeWeight*slope;
if (fabs(dReturn) > fabs(input))
{
Debug.Write(wxString::Format("GuideAlgorithmLowpass::Result() input %.2f is < calculated value %.2f, using input\n", input, dReturn));
dReturn = input;
}
//TODO: Undertand this. I think this is wrong, since it divides the orignial input
// by 11 if it was less than the computed value. And since the computed
// value is median + slope, I'm not sure that it should be divided by 11
// either. But the goal of this exercise is to be bug for bug compatible
// with PHD 1.x
if (fabs(input) < m_minMove)
{
dReturn = 0.0;
}
Debug.Write(wxString::Format("GuideAlgorithmLowpass::Result() returns %.2f from input %.2f\n", dReturn, input));
return dReturn;
}
double ThrottledTextureUploader::estimatedTexturesPerSecond()
{
processQueries();
// The history should never be empty because we initialize all elements with an estimate.
ASSERT(m_texturesPerSecondHistory.size() == uploadHistorySize);
// Sort the history and use the median as our estimate.
std::vector<double> sortedHistory(m_texturesPerSecondHistory.begin(),
m_texturesPerSecondHistory.end());
std::sort(sortedHistory.begin(), sortedHistory.end());
estimatedTexturesPerSecondGlobal = sortedHistory[sortedHistory.size() * 2 / 3];
TRACE_COUNTER1("cc", "estimatedTexturesPerSecond", estimatedTexturesPerSecondGlobal);
return estimatedTexturesPerSecondGlobal;
}
