span_sort_indices()

std::vector< size_t > MayaFlux::Kinesis::Discrete::span_sort_indices	(	std::span< double >	data,
		SortingDirection	direction
	)

Indices that would sort a span in the given direction.

Parameters

data	Source span (not modified)
direction	Sort direction

Returns

Sorted indices into data

Definition at line 35 of file Sort.cpp.

{
    std::vector<size_t> idx(data.size());
    std::iota(idx.begin(), idx.end(), 0);
    if (data.empty())
        return idx;
    const auto comp = double_comparator(direction);
    std::ranges::sort(idx, [&](size_t a, size_t b) { return comp(data[a], data[b]); });
    return idx;
}

References a, b, and double_comparator().

Referenced by channels_sort_indices(), and MayaFlux::Yantra::generate_compute_data_indices().

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