C++ (Cpp) vec::coeff Examples

Example #1

File: eigen_wrapper.hpp Project: Prokopp/graphchi-cpp

inline ivec sort_index(const vec&a){
  ivec ret(a.size()); 
  std::vector<std::pair<double,int> > D;
  // 	
  D.reserve(a.size());
  for (int i=0;i<a.size();i++)
    D.push_back(std::make_pair<double,int>(a.coeff(i),i));
  std::sort(D.begin(),D.end());
  for (int i=0;i<a.size();i++)
  { 
    ret[i]=D[i].second;
  } 
  return ret;
}