juce_SpecialFunctions.h

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/*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited
 
   JUCE is an open source library subject to commercial or open-source
   licensing.
 
   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
   Agreement and JUCE Privacy Policy.
 
   End User License Agreement: www.juce.com/juce-7-licence
   Privacy Policy: www.juce.com/juce-privacy-policy
 
   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).
 
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.
 
  ==============================================================================
*/
 
namespace juce
{
namespace dsp
{

struct SpecialFunctions
{
    static double besselI0 (double x) noexcept;

    static void ellipticIntegralK (double k, double& K, double& Kp) noexcept;

    static Complex<double> cde (Complex<double> u, double k) noexcept;

    static Complex<double> sne (Complex<double> u, double k) noexcept;

    static Complex<double> asne (Complex<double> w, double k) noexcept;
};
 
} // namespace dsp
} // namespace juce