(C++) GetSizes

GetSizes is a matrix code snippet to obtain all std::vector sizes in a 2d std::vector.


#include <vector>



//From http://www.richelbilderbeek.nl/CppGetSizes.htm

const std::vector<std::size_t> GetSizes(const std::vector<std::vector<double> >& v)

{

  std::vector<std::size_t> w;



  const std::size_t sz = v.size();

  for (std::size_t i = 0; i!=sz; ++i)

  {

    w.push_back(v[i].size());

  }

  return w;

}

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