windowed_by_indices()

std::vector< double > MayaFlux::Kinesis::Discrete::windowed_by_indices	(	std::span< const double >	data,
		const std::vector< size_t > &	window_starts,
		uint32_t	window_size
	)

Extract windows at specific starting indices as a flat concatenated vector.

Parameters

data	Source span
window_starts	Starting sample indices
window_size	Samples per window

Returns

Concatenated window data

Definition at line 101 of file Extract.cpp.

{
    std::vector<double> out;
    if (window_size == 0)
        return out;
 
    out.reserve(window_starts.size() * window_size);
    for (size_t s : window_starts) {
        if (s + window_size <= data.size()) {
            out.insert(out.end(), data.begin() + s, data.begin() + s + window_size);
        }
    }
 
    return out;
}