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(C++) GetCumulativeHistogram

Math and std::vector code snippet to calculate a cumulative histogram from a histogram.

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//From htpp://www.richelbilderbeek.nl/CppGetCumulativeHistogram.htm

template <class T> const std::vector<T> GetCumulativeHistogram(const std::vector<T>& histogram)

{

std::vector<T> v(histogram.begin(),histogram.end() );

const int size = v.size();

for (int i=1; i!=size; ++i)

{

v[i] += v[i-1];

}

return v;

}

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