Memory.h

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#pragma once
#include <cstdint>
 
namespace mana
{
    /*
    std::endian is available from C++20
    */
 
    inline bool IsBigEndian()
    {
        static constexpr int16_t One = 1;
        const char* pointer = reinterpret_cast<const char*>(&One);
        return pointer[0] == 0;
    }
 
    inline int16_t SwapEndian(const int16_t value)
    {
        return (value << 8 & 0xFF00) | (value >> 8 & 0x00FF);
    }
 
    inline uint16_t SwapEndian(const uint16_t value)
    {
        return (value << 8 & 0xFF00) | (value >> 8 & 0x00FF);
    }
 
    inline int32_t SwapEndian(const int32_t value)
    {
        return (value << 24 & 0xFF000000) | (value << 8 & 0x00FF0000) | (value >> 8 & 0x0000FF00) | (value >> 24 & 0x000000FF);
    }
 
    inline uint32_t SwapEndian(const uint32_t value)
    {
        return (value << 24 & 0xFF000000) | (value << 8 & 0x00FF0000) | (value >> 8 & 0x0000FF00) | (value >> 24 & 0x000000FF);
    }
 
    inline float SwapEndian(const float value)
    {
        return static_cast<float>(SwapEndian(static_cast<uint32_t>(value)));
    }
}