make-uint.hpp

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/*
 * Copyright (C) 2023  Christopher J. Howard
 *
 * This file is part of Antkeeper source code.
 *
 * Antkeeper source code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Antkeeper source code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Antkeeper source code.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef ANTKEEPER_MATH_HASH_MAKE_UINT_HPP
#define ANTKEEPER_MATH_HASH_MAKE_UINT_HPP
 
#include <cstdint>
#include <type_traits>
 
namespace math {
namespace hash {
 
template <class T>
struct make_uint
{
    static_assert(std::is_integral<T>::value);
    
    typedef typename std::make_unsigned<T>::type type;
};
 
template<>
struct make_uint<float>
{
    static_assert(sizeof(float) == sizeof(std::uint32_t));
    
    typedef std::uint32_t type;
};
 
template<>
struct make_uint<double>
{
    static_assert(sizeof(double) == sizeof(std::uint64_t));
    
    typedef std::uint64_t type;
};
 
template <class T>
using make_uint_t = typename make_uint<T>::type;
 
} // namespace hash
} // namespace math
 
#endif // ANTKEEPER_MATH_HASH_MAKE_UINT_HPP