scientific_fwd.hpp

// SPDX-License-Identifier: BSL-1.0
// Copyright 2026, Amlal El Mahrouss (amlal@nekernel.org)
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// Official repository: https://github.com/open-cpp-libraries/core
 
#pragma once
 
#include <ocl/detail/math/config.hpp>
 
 
#ifndef zeta_apery
#define zeta_apery zeta_three
#endif
 
namespace ocl::scientific
{
 
    using quaternionf = ::boost::math::quaternion<float>;
    using quaterniond = ::boost::math::quaternion<double>;
 
    inline auto zeta_apery_f = ::boost::math::zeta<float>(3.0f);
    inline auto zeta_apery_d = ::boost::math::zeta<double>(3.0);
 
    enum class space_type : int32_t
    {
        invalid = -1,
        euclidean,
        minkowski,
        count = 2,
    };
 
    template <typename T, space_type S>
    inline T norm(::boost::math::quaternion<T> const& q)
    {
        switch (S)
        {
        case space_type::euclidean:
            return ::boost::math::abs(q);
        case space_type::minkowski:
            return ::boost::math::norm(q);
        }
 
        ::boost::throw_exception(std::runtime_error("Invalid space type"), BOOST_CURRENT_LOCATION);
    }
 
} // namespace ocl::scientific