spread_radius() [2/3]

double MayaFlux::Kinesis::spread_radius ( std::span< const double >  samples, size_t  window  )

inlinenoexcept

Largest distance of any sample in a window from the window mean.

Parameters

samples	Newest-first span
window	Number of samples, minimum 1

Returns

max |samples[i] - mean|, or 0 for an empty span

Definition at line 900 of file Differential.hpp.

{
    window = std::min(window < 1 ? size_t { 1 } : window, samples.size());
    if (window == 0)
        return 0.0;
 
    double mean = 0.0;
    for (size_t i = 0; i < window; ++i)
        mean += samples[i];
    mean /= static_cast<double>(window);
 
    double widest = 0.0;
    for (size_t i = 0; i < window; ++i)
        widest = std::max(widest, std::abs(samples[i] - mean));
    return widest;
}

References window.