Function gen_cosine_1

include/LabSound/core/WindowFunctions.h:68–71

    }

    inline float gen_cosine_1(const float max_index, const uint32_t idx, const float alpha, const float beta)
    {
        return alpha - beta * std::cos((static_cast<float>(LAB_TAU) * idx) / max_index);
    }

    inline float gen_cosine_2(const float max_index, const uint32_t idx, const float alpha, const float beta, const float gamma)
    {