to_complex_vector()

Eigen::VectorXcd MayaFlux::Kakshya::EigenAccess::to_complex_vector

(

)

const

Convert complex data to Eigen complex vector.

Returns

Complex vector (native Eigen representation)

Exceptions

std::invalid_argument

if not complex data

Definition at line 87 of file EigenAccess.cpp.

{
    if (!is_complex()) {
        error<std::invalid_argument>(
            Journal::Component::Kakshya,
            Journal::Context::Runtime,
            std::source_location::current(),
            "to_complex_vector() requires complex data, but variant contains {}",
            type_name());
    }
 
    return std::visit([](const auto& vec) -> Eigen::VectorXcd {
        using T = typename std::decay_t<decltype(vec)>::value_type;
 
        if constexpr (std::is_same_v<T, std::complex<float>>) {
            Eigen::VectorXcd result(vec.size());
            for (Eigen::Index i = 0; i < vec.size(); ++i) {
                result(i) = std::complex<double>(
                    static_cast<double>(vec[i].real()),
                    static_cast<double>(vec[i].imag()));
            }
            return result;
        } else if constexpr (std::is_same_v<T, std::complex<double>>) {
            Eigen::VectorXcd result(vec.size());
            for (Eigen::Index i = 0; i < vec.size(); ++i) {
                result(i) = vec[i];
            }
            return result;
        } else {
            return Eigen::VectorXcd(0);
        }
    },
        m_variant);
}

References is_complex(), MayaFlux::Journal::Kakshya, m_variant, MayaFlux::Journal::Runtime, and type_name().

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