convolve()

MAYAFLUX_API std::vector< double > MayaFlux::Kinesis::Discrete::convolve	(	std::span< const double >	src,
		std::span< const double >	ir
	)

Linear FFT convolution.

Parameters

src	Input signal
ir	Impulse response

Returns

Convolved output, same length as src

Definition at line 69 of file Convolution.cpp.

{
    if (ir.size() == 1) {
        std::vector<double> out(src.size());
        const double g = ir[0];
        std::transform(std::execution::par_unseq, src.begin(), src.end(), out.begin(),
            [g](double x) { return x * g; });
        return out;
    }
 
    return apply_convolution(src, ir,
        [](const auto& s, const auto& k, auto& r) {
            std::transform(std::execution::par_unseq, s.begin(), s.end(), k.begin(), r.begin(),
                [](const std::complex<double>& a, const std::complex<double>& b) {
                    return a * b;
                });
        });
}

References a, apply_convolution(), b, out, and src.

Referenced by MayaFlux::Yantra::ConvolutionTransformer< InputType, OutputType >::transform_implementation().

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