1 #ifndef CONVERSION_UTILITIES_BINARY_CONVERSION_H
2 #define CONVERSION_UTILITIES_BINARY_CONVERSION_H
9 #if defined(__BYTE_ORDER__)
10 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
11 #define CONVERSION_UTILITIES_IS_BYTE_ORDER_LITTLE_ENDIAN false
12 #define CONVERSION_UTILITIES_IS_BYTE_ORDER_BIG_ENDIAN true
13 #define CONVERSION_UTILITIES_BYTE_ORDER_BIG_ENDIAN
14 #elif __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__
15 #define CONVERSION_UTILITIES_IS_BYTE_ORDER_LITTLE_ENDIAN false
16 #define CONVERSION_UTILITIES_IS_BYTE_ORDER_BIG_ENDIAN false
17 #define CONVERSION_UTILITIES_BYTE_ORDER_MIDDLE_ENDIAN
18 #elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
19 #define CONVERSION_UTILITIES_IS_BYTE_ORDER_LITTLE_ENDIAN true
20 #define CONVERSION_UTILITIES_IS_BYTE_ORDER_BIG_ENDIAN false
21 #define CONVERSION_UTILITIES_BYTE_ORDER_LITTLE_ENDIAN
26 #if defined(__FLOAT_WORD_ORDER__)
27 #if __FLOAT_WORD_ORDER__ == __ORDER_BIG_ENDIAN__
28 #define CONVERSION_UTILITIES_FLOAT_BYTE_ORDER_BIG_ENDIAN
29 #elif __FLOAT_WORD_ORDER__ == __ORDER_PDP_ENDIAN__
30 #define CONVERSION_UTILITIES_FLOAT_BYTE_ORDER_MIDDLE_ENDIAN
31 #elif __FLOAT_WORD_ORDER__ == __ORDER_LITTLE_ENDIAN__
32 #define CONVERSION_UTILITIES_FLOAT_BYTE_ORDER_LITTLE_ENDIAN
37 #if !defined(__BYTE_ORDER__) || !defined(__FLOAT_WORD_ORDER__)
40 #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__x86_64) || defined(__x86_64__) || defined(__amd64) || defined(_M_X64) \
41 || defined(__LITTLE_ENDIAN__) || defined(_little_endian__) || defined(_LITTLE_ENDIAN) || defined(_WIN32_WCE) || defined(WINAPI_FAMILY)
42 #if !defined(__BYTE_ORDER__)
43 #define CONVERSION_UTILITIES_IS_BYTE_ORDER_LITTLE_ENDIAN true
44 #define CONVERSION_UTILITIES_IS_BYTE_ORDER_BIG_ENDIAN false
45 #define CONVERSION_UTILITIES_BYTE_ORDER_LITTLE_ENDIAN
47 #if !defined(__FLOAT_WORD_ORDER__)
48 #define CONVERSION_UTILITIES_FLOAT_BYTE_ORDER_LITTLE_ENDIAN
52 #elif defined(__MIPSEB__) || defined(__s390__) || defined(__BIG_ENDIAN__) || defined(_big_endian__) || defined(_BIG_ENDIAN)
53 #if !defined(__BYTE_ORDER__)
54 #define CONVERSION_UTILITIES_IS_BYTE_ORDER_LITTLE_ENDIAN false
55 #define CONVERSION_UTILITIES_IS_BYTE_ORDER_BIG_ENDIAN true
56 #define CONVERSION_UTILITIES_BYTE_ORDER_BIG_ENDIAN
58 #if !defined(__FLOAT_WORD_ORDER__)
59 #define CONVERSION_UTILITIES_FLOAT_BYTE_ORDER_BIG_ENDIAN
64 #error "Unable to determine byte order!"
70 #if defined(CONVERSION_UTILITIES_BYTE_ORDER_MIDDLE_ENDIAN) || defined(CONVERSION_UTILITIES_FLOAT_BYTE_ORDER_MIDDLE_ENDIAN)
71 #error "Middle endian byte order is not supported!"
82 #define CONVERSION_UTILITIES_BINARY_CONVERSION_INTERNAL 0
84 #undef CONVERSION_UTILITIES_BINARY_CONVERSION_INTERNAL
93 #define CONVERSION_UTILITIES_BINARY_CONVERSION_INTERNAL 1
95 #undef CONVERSION_UTILITIES_BINARY_CONVERSION_INTERNAL
103 return static_cast<std::uint16_t
>(float32value * 256.0f);
111 return static_cast<float>(fixed8value) / 256.0f;
119 return static_cast<std::uint32_t
>(float32value * 65536.0f);
127 return static_cast<float>(fixed16value) / 65536.0f;
137 return ((normalInt & 0x0000007fu)) | ((normalInt & 0x00003f80u) << 1) | ((normalInt & 0x001fc000u) << 2) | ((normalInt & 0x0fe00000u) << 3);
147 return ((synchsafeInt & 0x0000007fu)) | ((synchsafeInt & 0x00007f00u) >> 1) | ((synchsafeInt & 0x007f0000u) >> 2)
148 | ((synchsafeInt & 0x7f000000u) >> 3);
156 return static_cast<std::uint16_t
>(((value >> 8) & 0x00FF) | ((value << 8) & 0xFF00));
164 return (value >> 24) | ((value & 0x00FF0000) >> 8) | ((value & 0x0000FF00) << 8) | (value << 24);
172 return (value >> (7 * 8)) | ((value & 0x00FF000000000000) >> (5 * 8)) | ((value & 0x0000FF0000000000) >> (3 * 8))
173 | ((value & 0x000000FF00000000) >> (1 * 8)) | ((value & 0x00000000FF000000) << (1 * 8)) | ((value & 0x0000000000FF0000) << (3 * 8))
174 | ((value & 0x000000000000FF00) << (5 * 8)) | ((value) << (7 * 8));
#define CPP_UTILITIES_EXPORT
Marks the symbol to be exported by the c++utilities library.
Contains all utilities provides by the c++utilities library.
constexpr CPP_UTILITIES_EXPORT std::uint16_t toFixed8(float float32value)
Returns the 8.8 fixed point representation converted from the specified 32-bit floating point number.
constexpr CPP_UTILITIES_EXPORT std::uint16_t swapOrder(std::uint16_t value)
Swaps the byte order of the specified 16-bit unsigned integer.
constexpr CPP_UTILITIES_EXPORT std::uint32_t toNormalInt(std::uint32_t synchsafeInt)
Returns a normal 32-bit integer converted from a 32-bit synchsafe integer.
constexpr CPP_UTILITIES_EXPORT float toFloat32(std::uint16_t fixed8value)
Returns a 32-bit floating point number converted from the specified 8.8 fixed point representation.
constexpr CPP_UTILITIES_EXPORT std::uint32_t toSynchsafeInt(std::uint32_t normalInt)
Returns a 32-bit synchsafe integer converted from a normal 32-bit integer.
constexpr CPP_UTILITIES_EXPORT std::uint32_t toFixed16(float float32value)
Returns the 16.16 fixed point representation converted from the specified 32-bit floating point numbe...