SphericalHarmonic.h

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#pragma once

namespace NETGeographicLib
{
    ref class CircularEngine;
    ref class SphericalCoefficients;
    public ref class SphericalHarmonic
    {
        private:
        // a pointer to the unmanaged GeographicLib::SphericalHarmonic
        const GeographicLib::SphericalHarmonic* m_pSphericalHarmonic;
        // the finalizer frees the unmanaged memory when the object is destroyed.
        !SphericalHarmonic();
        // local containers for the cosine and sine coefficients.  The
        // GeographicLib::SphericalEngine::coeffs class uses a
        // std::vector::iterator to access these vectors.
        std::vector<double> *m_C, *m_S;
    public:
        enum class Normalization {
          FULL = GeographicLib::SphericalEngine::FULL,
          SCHMIDT = GeographicLib::SphericalEngine::SCHMIDT,
        };

        SphericalHarmonic(array<double>^ C,
                          array<double>^ S,
                          int N, double a, Normalization norm );

        SphericalHarmonic(array<double>^ C,
                          array<double>^ S,
                          int N, int nmx, int mmx,
                          double a, Normalization norm);

        ~SphericalHarmonic() { this->!SphericalHarmonic(); }

        double HarmonicSum(double x, double y, double z);

        double HarmonicSum(double x, double y, double z,
            [System::Runtime::InteropServices::Out] double% gradx,
            [System::Runtime::InteropServices::Out] double% grady,
            [System::Runtime::InteropServices::Out] double% gradz);

        CircularEngine^ Circle(double p, double z, bool gradp);

        SphericalCoefficients^ Coefficients();
    };
} // namespace NETGeographicLib