Codechange: math functions - use cpp-style casts

This commit is contained in:
Nikolas Nyby
2019-08-06 07:19:19 -04:00
committed by Charles Pigott
parent 1be42c6cb8
commit 28e11623bd
2 changed files with 10 additions and 10 deletions

View File

@@ -367,12 +367,12 @@ static inline T ROR(const T x, const uint8 n)
* (since it will use hardware swapping if available).
* Even though they should return uint16 and uint32, we get
* warnings if we don't cast those (why?) */
#define BSWAP32(x) ((uint32)CFSwapInt32(x))
#define BSWAP16(x) ((uint16)CFSwapInt16(x))
# define BSWAP32(x) (static_cast<uint32>(CFSwapInt32(x)))
# define BSWAP16(x) (static_cast<uint16>(CFSwapInt16(x)))
#elif defined(_MSC_VER)
/* MSVC has intrinsics for swapping, resulting in faster code */
#define BSWAP32(x) (_byteswap_ulong(x))
#define BSWAP16(x) (_byteswap_ushort(x))
# define BSWAP32(x) (_byteswap_ulong(x))
# define BSWAP16(x) (_byteswap_ushort(x))
#else
/**
* Perform a 32 bits endianness bitswap on x.
@@ -383,7 +383,7 @@ static inline T ROR(const T x, const uint8 n)
{
#if !defined(__ICC) && defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ >= 3))
/* GCC >= 4.3 provides a builtin, resulting in faster code */
return (uint32)__builtin_bswap32((int32)x);
return static_cast<uint32>(__builtin_bswap32(static_cast<int32>(x)));
#else
return ((x >> 24) & 0xFF) | ((x >> 8) & 0xFF00) | ((x << 8) & 0xFF0000) | ((x << 24) & 0xFF000000);
#endif /* defined(__GNUC__) */