std::cout << '\n'; // sort using a lambda expression std::sort(s.begin(), s.end(), [](int a, int b) { return b < a; }); for (auto a : s) { std::cout << a << " "; } std::cout << '\n'; return 0; } /// // reference: http://www.cplusplus.com/referenc...
请注意,您的代码很可能只是通过将一个col变量定位到lambda而不是将其作为共享引用来修复。 template<classDerived>voidrowsort(Eigen::MatrixBase<Derived>&mat){using PermutationMatrix=Eigen::PermutationMatrix<Derived::RowsAtCompileTime>;PermutationMatrix permut;permut.setIdentity(mat.rows());auto&indices=permut...
(), customLess);print(s);// sort using a lambda expressionstd::ranges::stable_sort(s,[](inta,intb){returna>b;});print(s);// sort with projectionParticle particles[]{{"Electron",0.511},{"Muon",105.66},{"Tau",1776.86},{"Positron",0.511},{"Proton",938.27},{"Neutron",939.57}};...