sort_indices()

template<typename Container , typename Comparator >

std::vector< size_t > MayaFlux::Kinesis::Discrete::sort_indices	(	const Container &	container,
		Comparator	comp
	)

Generic sort-index generator for any random-access container.

Template Parameters

Container	Container type supporting size() and operator[]
Comparator	Binary predicate

Parameters

container	Source container
comp	Comparator

Returns

Indices that would sort container according to comp

Definition at line 101 of file Sort.hpp.

{
    std::vector<size_t> idx(container.size());
    std::iota(idx.begin(), idx.end(), 0);
    std::ranges::sort(idx, [&](size_t a, size_t b) {
        return comp(container[a], container[b]);
    });
    return idx;
}

References a, and b.