Function gaussian

include/LabSound/core/WindowFunctions.h:88–92

    }

    inline float gaussian(const float max_index, const uint32_t idx, const float sigma)
    {
        const float fract = (idx - (max_index * 0.5f)) / (sigma * (max_index * 0.5f));
        return std::exp(-0.5f * (fract * fract));
    }
}

// Reference https://github.com/spurious/snd-mirror/blob/master/clm.c