apply_blackman()

MAYAFLUX_API void MayaFlux::Kinesis::Discrete::apply_blackman ( std::span< double >  data )

noexcept

Apply a Blackman taper in-place without materialising coefficients.

Parameters

data	Target span (modified in place)

Definition at line 117 of file Taper.cpp.

{
    const size_t n = data.size();
    if (n <= 1)
        return;
    const double scale = std::numbers::pi * 2.0 / static_cast<double>(n - 1);
    for (size_t i = 0; i < n; ++i) {
        const double x = scale * static_cast<double>(i);
        data[i] *= 0.42 - 0.5 * std::cos(x) + 0.08 * std::cos(2.0 * x);
    }
}

References MayaFlux::Kinesis::scale().

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