53#define OJPH_COMPILER_MSVC
54#elif (defined __GNUC__)
55#define OJPH_COMPILER_GNUC
59#define OJPH_EMSCRIPTEN
62#ifdef OJPH_COMPILER_MSVC
71#if (defined WIN32) || (defined _WIN32) || (defined _WIN64)
72#define OJPH_OS_WINDOWS
73#elif (defined __APPLE__)
75#elif (defined __linux)
82#if defined(OJPH_OS_WINDOWS) && defined(OJPH_BUILD_SHARED_LIBRARY)
83#define OJPH_EXPORT __declspec(dllexport)
112 #ifdef OJPH_COMPILER_MSVC
113 return (
ui32)__popcnt(val);
114 #elif (defined OJPH_COMPILER_GNUC)
115 return (
ui32)__builtin_popcount(val);
117 val -= ((val >> 1) & 0x55555555);
118 val = (((val >> 2) & 0x33333333) + (val & 0x33333333));
119 val = (((val >> 4) + val) & 0x0f0f0f0f);
122 return (
int)(val & 0x0000003f);
127#ifdef OJPH_COMPILER_MSVC
128 #pragma intrinsic(_BitScanReverse)
132 #ifdef OJPH_COMPILER_MSVC
133 unsigned long result = 0;
134 _BitScanReverse(&result, val);
135 return 31 ^ (
ui32)result;
136 #elif (defined OJPH_COMPILER_GNUC)
137 return (
ui32)__builtin_clz(val);
149#ifdef OJPH_COMPILER_MSVC
150 #pragma intrinsic(_BitScanForward)
154 #ifdef OJPH_COMPILER_MSVC
155 unsigned long result = 0;
156 _BitScanForward(&result, val);
158 #elif (defined OJPH_COMPILER_GNUC)
159 return (
ui32)__builtin_ctz(val);
173 #ifdef OJPH_COMPILER_MSVC
174 return (
si32)(val + (val >= 0.0f ? 0.5f : -0.5f));
175 #elif (defined OJPH_COMPILER_GNUC)
176 return (
si32)(val + (val >= 0.0f ? 0.5f : -0.5f));
178 return (
si32)round(val);
185 #ifdef OJPH_COMPILER_MSVC
187 #elif (defined OJPH_COMPILER_GNUC)
190 return (
si32)trunc(val);
197#ifdef OJPH_ENABLE_INTEL_AVX512
211 template <
typename T,
int N>
221 template <
typename T,
int N>
223 intptr_t p =
reinterpret_cast<intptr_t
>(ptr);
226 return reinterpret_cast<T *
>(p);
const ui32 object_alignment
const ui32 byte_alignment
static si32 ojph_round(float val)
size_t calc_aligned_size(size_t size)
@ X86_CPU_EXT_LEVEL_AVX512
@ X86_CPU_EXT_LEVEL_GENERIC
@ X86_CPU_EXT_LEVEL_SSE41
@ X86_CPU_EXT_LEVEL_SSE42
@ X86_CPU_EXT_LEVEL_SSSE3
@ X86_CPU_EXT_LEVEL_AVX2FMA
static ui32 population_count(ui32 val)
OJPH_EXPORT int get_cpu_ext_level()
static si32 ojph_trunc(float val)
static ui32 count_trailing_zeros(ui32 val)
static ui32 count_leading_zeros(ui32 val)
const ui32 log_byte_alignment