HephShared.h

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#pragma once
#include <cinttypes>
 
#define HEPH_STRINGIFY(x)   #x
 
#define HEPH_TOSTRING(x)    HEPH_STRINGIFY(x)
 
#if defined(_MSVC_LANG)
 
#define CPP_VERSION _MSVC_LANG
 
#else
 
#define CPP_VERSION __cplusplus
 
#endif
 
#define CPP_VERSION_PRE_98  (1L)
#define CPP_VERSION_98      (199711L)
#define CPP_VERSION_11      (201103L)
#define CPP_VERSION_14      (201402L)
#define CPP_VERSION_17      (201703L)
#define CPP_VERSION_20      (202002L)
#define CPP_VERSION_23      (202101L)
 
#if CPP_VERSION < CPP_VERSION_17
#error C++ 17 or above is required
#endif
 
#if defined(_MSC_VER) || (defined(__INTEL_COMPILER) && defined(_WIN32))
 
#if defined(_M_X64) || defined(_WIN64)
#define HEPH_ENV_64_BIT
#else
#define HEPH_ENV_32_BIT
#endif
 
#elif defined(__clang__) || defined(__INTEL_COMPILER) || defined(__GNUC__)
 
#if defined(__x86_64__) || defined(__ppc64__) || defined(__aarch64__)
#define HEPH_ENV_64_BIT
#else
#define HEPH_ENV_32_BIT
#endif
 
#else
 
#error unsupported environment
 
#endif
 
#if defined(_MSVC_LANG) || defined(__INTEL_COMPILER) || defined(__MINGW64__) || defined(__MINGW32__)
#define heph_aligned_malloc(size, alignment) _aligned_malloc(size, alignment)
#define heph_aligned_free _aligned_free
#else
#define heph_aligned_malloc(size, alignment) aligned_alloc(alignment, size)
#define heph_aligned_free free
#endif
 
#if (!defined(_MSC_VER) || defined(__INTEL_COMPILER))
 
#include <cstring>
 
#endif
 
#if defined(HEPH_SHARED_LIB)
 
#if defined(_WIN32)
 
#if defined(HEPH_EXPORTS)
#define HEPH_API __declspec(dllexport)
#else
#define HEPH_API __declspec(dllimport)
 
#endif
 
#else
 
#if defined(HEPH_EXPORTS)
#define HEPH_API __attribute__((visibility("default")))
#else
#define HEPH_API
#endif
 
#endif
 
#else
 
#define HEPH_API 
 
#endif
 
#if defined(__GNUC__) || defined(__clang__) || defined(__INTEL_COMPILER)
#define HEPH_FUNC __PRETTY_FUNCTION__
#elif defined(_MSVC_LANG)
#define HEPH_FUNC __FUNCSIG__
#else
#define HEPH_FUNC __func__
#endif
 
namespace Heph
{
    enum Endian : uint8_t
    {
        Little = 0x00,
        Big = 0x01,
        Unknown = 0xFF
    };
 
    extern HEPH_API Endian systemEndian;
 
    HEPH_API void ChangeEndian(uint8_t* pData, uint8_t dataSize);
 
    inline constexpr Endian operator!(const Endian& lhs)
    {
        switch (lhs)
        {
        case Endian::Little:
            return Endian::Big;
        case Endian::Big:
            return Endian::Little;
        default:
            return Endian::Unknown;
        }
    }
 
#define HEPH_SYSTEM_ENDIAN Heph::systemEndian
 
#define HEPH_CHANGE_ENDIAN(pData, dataSize) Heph::ChangeEndian((uint8_t*)(pData), dataSize)
 
    enum ConvolutionMode
    {
        Full = 0,
        Central = 1,
        ValidPadding = 2
    };
}