JoltPhysicsDocs/5.1.0/_core_8h_source.html

// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)

// SPDX-FileCopyrightText: 2021 Jorrit Rouwe

// SPDX-License-Identifier: MIT


#pragma once


// Jolt library version

#define JPH_VERSION_MAJOR 5

#define JPH_VERSION_MINOR 1

#define JPH_VERSION_PATCH 0


// Determine which features the library was compiled with

#ifdef JPH_DOUBLE_PRECISION

    #define JPH_VERSION_FEATURE_BIT_1 1

#else

    #define JPH_VERSION_FEATURE_BIT_1 0

#endif

#ifdef JPH_CROSS_PLATFORM_DETERMINISTIC

    #define JPH_VERSION_FEATURE_BIT_2 1

#else

    #define JPH_VERSION_FEATURE_BIT_2 0

#endif

#ifdef JPH_FLOATING_POINT_EXCEPTIONS_ENABLED

    #define JPH_VERSION_FEATURE_BIT_3 1

#else

    #define JPH_VERSION_FEATURE_BIT_3 0

#endif

#ifdef JPH_PROFILE_ENABLED

    #define JPH_VERSION_FEATURE_BIT_4 1

#else

    #define JPH_VERSION_FEATURE_BIT_4 0

#endif

#ifdef JPH_EXTERNAL_PROFILE

    #define JPH_VERSION_FEATURE_BIT_5 1

#else

    #define JPH_VERSION_FEATURE_BIT_5 0

#endif

#ifdef JPH_DEBUG_RENDERER

    #define JPH_VERSION_FEATURE_BIT_6 1

#else

    #define JPH_VERSION_FEATURE_BIT_6 0

#endif

#ifdef JPH_DISABLE_TEMP_ALLOCATOR

    #define JPH_VERSION_FEATURE_BIT_7 1

#else

    #define JPH_VERSION_FEATURE_BIT_7 0

#endif

#ifdef JPH_DISABLE_CUSTOM_ALLOCATOR

    #define JPH_VERSION_FEATURE_BIT_8 1

#else

    #define JPH_VERSION_FEATURE_BIT_8 0

#endif

#if defined(JPH_OBJECT_LAYER_BITS) && JPH_OBJECT_LAYER_BITS == 32

    #define JPH_VERSION_FEATURE_BIT_9 1

#else

    #define JPH_VERSION_FEATURE_BIT_9 0

#endif

#ifdef JPH_ENABLE_ASSERTS

    #define JPH_VERSION_FEATURE_BIT_10 1

#else

    #define JPH_VERSION_FEATURE_BIT_10 0

#endif

#ifdef JPH_OBJECT_STREAM

    #define JPH_VERSION_FEATURE_BIT_11 1

#else

    #define JPH_VERSION_FEATURE_BIT_11 0

#endif

#define JPH_VERSION_FEATURES (uint64(JPH_VERSION_FEATURE_BIT_1) | (JPH_VERSION_FEATURE_BIT_2 << 1) | (JPH_VERSION_FEATURE_BIT_3 << 2) | (JPH_VERSION_FEATURE_BIT_4 << 3) | (JPH_VERSION_FEATURE_BIT_5 << 4) | (JPH_VERSION_FEATURE_BIT_6 << 5) | (JPH_VERSION_FEATURE_BIT_7 << 6) | (JPH_VERSION_FEATURE_BIT_8 << 7) | (JPH_VERSION_FEATURE_BIT_9 << 8) | (JPH_VERSION_FEATURE_BIT_10 << 9) | (JPH_VERSION_FEATURE_BIT_11 << 10))


// Combine the version and features in a single ID

#define JPH_VERSION_ID ((JPH_VERSION_FEATURES << 24) | (JPH_VERSION_MAJOR << 16) | (JPH_VERSION_MINOR << 8) | JPH_VERSION_PATCH)


// Determine platform

#if defined(JPH_PLATFORM_BLUE)

    // Correct define already defined, this overrides everything else

#elif defined(_WIN32) || defined(_WIN64)

    #include <winapifamily.h>

    #if WINAPI_FAMILY == WINAPI_FAMILY_APP

        #define JPH_PLATFORM_WINDOWS_UWP // Building for Universal Windows Platform

    #endif

    #define JPH_PLATFORM_WINDOWS

#elif defined(__ANDROID__) // Android is linux too, so that's why we check it first

    #define JPH_PLATFORM_ANDROID

#elif defined(__linux__)

    #define JPH_PLATFORM_LINUX

#elif defined(__FreeBSD__)

    #define JPH_PLATFORM_FREEBSD

#elif defined(__APPLE__)

    #include <TargetConditionals.h>

    #if defined(TARGET_OS_IPHONE) && !TARGET_OS_IPHONE

        #define JPH_PLATFORM_MACOS

    #else

        #define JPH_PLATFORM_IOS

    #endif

#elif defined(__EMSCRIPTEN__)

    #define JPH_PLATFORM_WASM

#endif


// Platform helper macros

#ifdef JPH_PLATFORM_ANDROID

    #define JPH_IF_NOT_ANDROID(x)

#else

    #define JPH_IF_NOT_ANDROID(x) x

#endif


// Determine compiler

#if defined(__clang__)

    #define JPH_COMPILER_CLANG

#elif defined(__GNUC__)

    #define JPH_COMPILER_GCC

#elif defined(_MSC_VER)

    #define JPH_COMPILER_MSVC

#endif


#if defined(__MINGW64__) || defined (__MINGW32__)

    #define JPH_COMPILER_MINGW

#endif


// Detect CPU architecture

#if defined(__x86_64__) || defined(_M_X64) || defined(__i386__) || defined(_M_IX86)

    // X86 CPU architecture

    #define JPH_CPU_X86

    #if defined(__x86_64__) || defined(_M_X64)

        #define JPH_CPU_ADDRESS_BITS 64

    #else

        #define JPH_CPU_ADDRESS_BITS 32

    #endif

    #define JPH_USE_SSE

    #define JPH_VECTOR_ALIGNMENT 16

    #define JPH_DVECTOR_ALIGNMENT 32


    // Detect enabled instruction sets

    #if defined(__AVX512F__) && defined(__AVX512VL__) && defined(__AVX512DQ__) && !defined(JPH_USE_AVX512)

        #define JPH_USE_AVX512

    #endif

    #if (defined(__AVX2__) || defined(JPH_USE_AVX512)) && !defined(JPH_USE_AVX2)

        #define JPH_USE_AVX2

    #endif

    #if (defined(__AVX__) || defined(JPH_USE_AVX2)) && !defined(JPH_USE_AVX)

        #define JPH_USE_AVX

    #endif

    #if (defined(__SSE4_2__) || defined(JPH_USE_AVX)) && !defined(JPH_USE_SSE4_2)

        #define JPH_USE_SSE4_2

    #endif

    #if (defined(__SSE4_1__) || defined(JPH_USE_SSE4_2)) && !defined(JPH_USE_SSE4_1)

        #define JPH_USE_SSE4_1

    #endif

    #if (defined(__F16C__) || defined(JPH_USE_AVX2)) && !defined(JPH_USE_F16C)

        #define JPH_USE_F16C

    #endif

    #if (defined(__LZCNT__) || defined(JPH_USE_AVX2)) && !defined(JPH_USE_LZCNT)

        #define JPH_USE_LZCNT

    #endif

    #if (defined(__BMI__) || defined(JPH_USE_AVX2)) && !defined(JPH_USE_TZCNT)

        #define JPH_USE_TZCNT

    #endif

    #ifndef JPH_CROSS_PLATFORM_DETERMINISTIC // FMA is not compatible with cross platform determinism

        #if defined(JPH_COMPILER_CLANG) || defined(JPH_COMPILER_GCC)

            #if defined(__FMA__) && !defined(JPH_USE_FMADD)

                #define JPH_USE_FMADD

            #endif

        #elif defined(JPH_COMPILER_MSVC)

            #if defined(__AVX2__) && !defined(JPH_USE_FMADD) // AVX2 also enables fused multiply add

                #define JPH_USE_FMADD

            #endif

        #else

            #error Undefined compiler

        #endif

    #endif

#elif defined(__aarch64__) || defined(_M_ARM64) || defined(__arm__) || defined(_M_ARM)

    // ARM CPU architecture

    #define JPH_CPU_ARM

    #if defined(__aarch64__) || defined(_M_ARM64)

        #define JPH_CPU_ADDRESS_BITS 64

        #define JPH_USE_NEON

        #define JPH_VECTOR_ALIGNMENT 16

        #define JPH_DVECTOR_ALIGNMENT 32

    #else

        #define JPH_CPU_ADDRESS_BITS 32

        #define JPH_VECTOR_ALIGNMENT 8 // 32-bit ARM does not support aligning on the stack on 16 byte boundaries

        #define JPH_DVECTOR_ALIGNMENT 8

    #endif

#elif defined(JPH_PLATFORM_WASM)

    // WebAssembly CPU architecture

    #define JPH_CPU_WASM

    #define JPH_CPU_ADDRESS_BITS 32

    #define JPH_VECTOR_ALIGNMENT 16

    #define JPH_DVECTOR_ALIGNMENT 32

    #ifdef __wasm_simd128__

        #define JPH_USE_SSE

        #define JPH_USE_SSE4_1

        #define JPH_USE_SSE4_2

    #endif

#elif defined(__e2k__)

    // E2K CPU architecture (MCST Elbrus 2000)

    #define JPH_CPU_E2K

    #define JPH_CPU_ADDRESS_BITS 64

    #define JPH_VECTOR_ALIGNMENT 16

    #define JPH_DVECTOR_ALIGNMENT 32


    // Compiler flags on e2k arch determine CPU features

    #if defined(__SSE__) && !defined(JPH_USE_SSE)

        #define JPH_USE_SSE

    #endif

#else

    #error Unsupported CPU architecture

#endif


// If this define is set, Jolt is compiled as a shared library

#ifdef JPH_SHARED_LIBRARY

    #ifdef JPH_BUILD_SHARED_LIBRARY

        // While building the shared library, we must export these symbols

        #ifdef JPH_PLATFORM_WINDOWS

            #define JPH_EXPORT __declspec(dllexport)

        #else

            #define JPH_EXPORT __attribute__ ((visibility ("default")))

            #if defined(JPH_COMPILER_GCC)

                // Prevents an issue with GCC attribute parsing (see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69585)

                #define JPH_EXPORT_GCC_BUG_WORKAROUND [[gnu::visibility("default")]]

            #endif

        #endif

    #else

        // When linking against Jolt, we must import these symbols

        #ifdef JPH_PLATFORM_WINDOWS

            #define JPH_EXPORT __declspec(dllimport)

        #else

            #define JPH_EXPORT __attribute__ ((visibility ("default")))

            #if defined(JPH_COMPILER_GCC)

                // Prevents an issue with GCC attribute parsing (see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69585)

                #define JPH_EXPORT_GCC_BUG_WORKAROUND [[gnu::visibility("default")]]

            #endif

        #endif

    #endif

#else

    // If the define is not set, we use static linking and symbols don't need to be imported or exported

    #define JPH_EXPORT

#endif


#ifndef JPH_EXPORT_GCC_BUG_WORKAROUND

    #define JPH_EXPORT_GCC_BUG_WORKAROUND JPH_EXPORT

#endif


// Macro used by the RTTI macros to not export a function

#define JPH_NO_EXPORT


// Pragmas to store / restore the warning state and to disable individual warnings

#ifdef JPH_COMPILER_CLANG

#define JPH_PRAGMA(x)                   _Pragma(#x)

#define JPH_SUPPRESS_WARNING_PUSH       JPH_PRAGMA(clang diagnostic push)

#define JPH_SUPPRESS_WARNING_POP        JPH_PRAGMA(clang diagnostic pop)

#define JPH_CLANG_SUPPRESS_WARNING(w)   JPH_PRAGMA(clang diagnostic ignored w)

#if __clang_major__ >= 13

    #define JPH_CLANG_13_PLUS_SUPPRESS_WARNING(w) JPH_CLANG_SUPPRESS_WARNING(w)

#else

    #define JPH_CLANG_13_PLUS_SUPPRESS_WARNING(w)

#endif

#if __clang_major__ >= 16

    #define JPH_CLANG_16_PLUS_SUPPRESS_WARNING(w) JPH_CLANG_SUPPRESS_WARNING(w)

#else

    #define JPH_CLANG_16_PLUS_SUPPRESS_WARNING(w)

#endif

#else

#define JPH_CLANG_SUPPRESS_WARNING(w)

#define JPH_CLANG_13_PLUS_SUPPRESS_WARNING(w)

#define JPH_CLANG_16_PLUS_SUPPRESS_WARNING(w)

#endif

#ifdef JPH_COMPILER_GCC

#define JPH_PRAGMA(x)                   _Pragma(#x)

#define JPH_SUPPRESS_WARNING_PUSH       JPH_PRAGMA(GCC diagnostic push)

#define JPH_SUPPRESS_WARNING_POP        JPH_PRAGMA(GCC diagnostic pop)

#define JPH_GCC_SUPPRESS_WARNING(w)     JPH_PRAGMA(GCC diagnostic ignored w)

#else

#define JPH_GCC_SUPPRESS_WARNING(w)

#endif

#ifdef JPH_COMPILER_MSVC

#define JPH_PRAGMA(x)                   __pragma(x)

#define JPH_SUPPRESS_WARNING_PUSH       JPH_PRAGMA(warning (push))

#define JPH_SUPPRESS_WARNING_POP        JPH_PRAGMA(warning (pop))

#define JPH_MSVC_SUPPRESS_WARNING(w)    JPH_PRAGMA(warning (disable : w))

#if _MSC_VER >= 1920 && _MSC_VER < 1930

    #define JPH_MSVC2019_SUPPRESS_WARNING(w) JPH_MSVC_SUPPRESS_WARNING(w)

#else

    #define JPH_MSVC2019_SUPPRESS_WARNING(w)

#endif

#else

#define JPH_MSVC_SUPPRESS_WARNING(w)

#define JPH_MSVC2019_SUPPRESS_WARNING(w)

#endif


// Disable common warnings triggered by Jolt when compiling with -Wall

#define JPH_SUPPRESS_WARNINGS                                                                   \

    JPH_CLANG_SUPPRESS_WARNING("-Wc++98-compat")                                                \

    JPH_CLANG_SUPPRESS_WARNING("-Wc++98-compat-pedantic")                                       \

    JPH_CLANG_SUPPRESS_WARNING("-Wfloat-equal")                                                 \

    JPH_CLANG_SUPPRESS_WARNING("-Wsign-conversion")                                             \

    JPH_CLANG_SUPPRESS_WARNING("-Wold-style-cast")                                              \

    JPH_CLANG_SUPPRESS_WARNING("-Wgnu-anonymous-struct")                                        \

    JPH_CLANG_SUPPRESS_WARNING("-Wnested-anon-types")                                           \

    JPH_CLANG_SUPPRESS_WARNING("-Wglobal-constructors")                                         \

    JPH_CLANG_SUPPRESS_WARNING("-Wexit-time-destructors")                                       \

    JPH_CLANG_SUPPRESS_WARNING("-Wnonportable-system-include-path")                             \

    JPH_CLANG_SUPPRESS_WARNING("-Wlanguage-extension-token")                                    \

    JPH_CLANG_SUPPRESS_WARNING("-Wunused-parameter")                                            \

    JPH_CLANG_SUPPRESS_WARNING("-Wformat-nonliteral")                                           \

    JPH_CLANG_SUPPRESS_WARNING("-Wcovered-switch-default")                                      \

    JPH_CLANG_SUPPRESS_WARNING("-Wcast-align")                                                  \

    JPH_CLANG_SUPPRESS_WARNING("-Winvalid-offsetof")                                            \

    JPH_CLANG_SUPPRESS_WARNING("-Wgnu-zero-variadic-macro-arguments")                           \

    JPH_CLANG_SUPPRESS_WARNING("-Wdocumentation-unknown-command")                               \

    JPH_CLANG_SUPPRESS_WARNING("-Wctad-maybe-unsupported")                                      \

    JPH_CLANG_13_PLUS_SUPPRESS_WARNING("-Wdeprecated-copy")                                     \

    JPH_CLANG_13_PLUS_SUPPRESS_WARNING("-Wdeprecated-copy-with-dtor")                           \

    JPH_CLANG_16_PLUS_SUPPRESS_WARNING("-Wunsafe-buffer-usage")                                 \

    JPH_IF_NOT_ANDROID(JPH_CLANG_SUPPRESS_WARNING("-Wimplicit-int-float-conversion"))           \

                                                                                                \

    JPH_GCC_SUPPRESS_WARNING("-Wcomment")                                                       \

    JPH_GCC_SUPPRESS_WARNING("-Winvalid-offsetof")                                              \

    JPH_GCC_SUPPRESS_WARNING("-Wclass-memaccess")                                               \

    JPH_GCC_SUPPRESS_WARNING("-Wpedantic")                                                      \

    JPH_GCC_SUPPRESS_WARNING("-Wunused-parameter")                                              \

    JPH_GCC_SUPPRESS_WARNING("-Wmaybe-uninitialized")                                           \

                                                                                                \

    JPH_MSVC_SUPPRESS_WARNING(4619) /* #pragma warning: there is no warning number 'XXXX' */    \

    JPH_MSVC_SUPPRESS_WARNING(4514) /* 'X' : unreferenced inline function has been removed */   \

    JPH_MSVC_SUPPRESS_WARNING(4710) /* 'X' : function not inlined */                            \

    JPH_MSVC_SUPPRESS_WARNING(4711) /* function 'X' selected for automatic inline expansion */  \

    JPH_MSVC_SUPPRESS_WARNING(4820) /* 'X': 'Y' bytes padding added after data member 'Z' */    \

    JPH_MSVC_SUPPRESS_WARNING(4100) /* 'X' : unreferenced formal parameter */                   \

    JPH_MSVC_SUPPRESS_WARNING(4626) /* 'X' : assignment operator was implicitly defined as deleted because a base class assignment operator is inaccessible or deleted */ \

    JPH_MSVC_SUPPRESS_WARNING(5027) /* 'X' : move assignment operator was implicitly defined as deleted because a base class move assignment operator is inaccessible or deleted */ \

    JPH_MSVC_SUPPRESS_WARNING(4365) /* 'argument' : conversion from 'X' to 'Y', signed / unsigned mismatch */ \

    JPH_MSVC_SUPPRESS_WARNING(4324) /* 'X' : structure was padded due to alignment specifier */ \

    JPH_MSVC_SUPPRESS_WARNING(4625) /* 'X' : copy constructor was implicitly defined as deleted because a base class copy constructor is inaccessible or deleted */ \

    JPH_MSVC_SUPPRESS_WARNING(5026) /* 'X': move constructor was implicitly defined as deleted because a base class move constructor is inaccessible or deleted */ \

    JPH_MSVC_SUPPRESS_WARNING(4623) /* 'X' : default constructor was implicitly defined as deleted */ \

    JPH_MSVC_SUPPRESS_WARNING(4201) /* nonstandard extension used: nameless struct/union */     \

    JPH_MSVC_SUPPRESS_WARNING(4371) /* 'X': layout of class may have changed from a previous version of the compiler due to better packing of member 'Y' */ \

    JPH_MSVC_SUPPRESS_WARNING(5045) /* Compiler will insert Spectre mitigation for memory load if /Qspectre switch specified */ \

    JPH_MSVC_SUPPRESS_WARNING(4583) /* 'X': destructor is not implicitly called */              \

    JPH_MSVC_SUPPRESS_WARNING(4582) /* 'X': constructor is not implicitly called */             \

    JPH_MSVC_SUPPRESS_WARNING(5219) /* implicit conversion from 'X' to 'Y', possible loss of data  */ \

    JPH_MSVC_SUPPRESS_WARNING(4826) /* Conversion from 'X *' to 'JPH::uint64' is sign-extended. This may cause unexpected runtime behavior. (32-bit) */ \

    JPH_MSVC_SUPPRESS_WARNING(5264) /* 'X': 'const' variable is not used */                     \

    JPH_MSVC_SUPPRESS_WARNING(4251) /* class 'X' needs to have DLL-interface to be used by clients of class 'Y' */ \

    JPH_MSVC_SUPPRESS_WARNING(4738) /* storing 32-bit float result in memory, possible loss of performance */ \

    JPH_MSVC2019_SUPPRESS_WARNING(5246) /* the initialization of a subobject should be wrapped in braces */


// OS-specific includes

#if defined(JPH_PLATFORM_WINDOWS)

    #define JPH_BREAKPOINT      __debugbreak()

#elif defined(JPH_PLATFORM_BLUE)

    // Configuration for a popular game console.

    // This file is not distributed because it would violate an NDA.

    // Creating one should only be a couple of minutes of work if you have the documentation for the platform

    // (you only need to define JPH_BREAKPOINT, JPH_PLATFORM_BLUE_GET_TICKS, JPH_PLATFORM_BLUE_MUTEX*, JPH_PLATFORM_BLUE_RWLOCK* and include the right header).

    #include <Jolt/Core/PlatformBlue.h>

#elif defined(JPH_PLATFORM_LINUX) || defined(JPH_PLATFORM_ANDROID) || defined(JPH_PLATFORM_MACOS) || defined(JPH_PLATFORM_IOS) || defined(JPH_PLATFORM_FREEBSD)

    #if defined(JPH_CPU_X86)

        #define JPH_BREAKPOINT  __asm volatile ("int $0x3")

    #elif defined(JPH_CPU_ARM)

        #define JPH_BREAKPOINT  __builtin_trap()

    #elif defined(JPH_CPU_E2K)

        #define JPH_BREAKPOINT  __builtin_trap()

    #endif

#elif defined(JPH_PLATFORM_WASM)

    #define JPH_BREAKPOINT      do { } while (false) // Not supported

#else

    #error Unknown platform

#endif


// Begin the JPH namespace

#define JPH_NAMESPACE_BEGIN                                                                     \

    JPH_SUPPRESS_WARNING_PUSH                                                                   \

    JPH_SUPPRESS_WARNINGS                                                                       \

    namespace JPH {


// End the JPH namespace

#define JPH_NAMESPACE_END                                                                       \

    }                                                                                           \

    JPH_SUPPRESS_WARNING_POP


// Suppress warnings generated by the standard template library

#define JPH_SUPPRESS_WARNINGS_STD_BEGIN                                                         \

    JPH_SUPPRESS_WARNING_PUSH                                                                   \

    JPH_MSVC_SUPPRESS_WARNING(4365)                                                             \

    JPH_MSVC_SUPPRESS_WARNING(4619)                                                             \

    JPH_MSVC_SUPPRESS_WARNING(4710)                                                             \

    JPH_MSVC_SUPPRESS_WARNING(4711)                                                             \

    JPH_MSVC_SUPPRESS_WARNING(4820)                                                             \

    JPH_MSVC_SUPPRESS_WARNING(4514)                                                             \

    JPH_MSVC_SUPPRESS_WARNING(5262)                                                             \

    JPH_MSVC_SUPPRESS_WARNING(5264)                                                             \

    JPH_MSVC_SUPPRESS_WARNING(4738)


#define JPH_SUPPRESS_WARNINGS_STD_END                                                           \

    JPH_SUPPRESS_WARNING_POP


// Standard C++ includes

JPH_SUPPRESS_WARNINGS_STD_BEGIN

#include <float.h>

#include <limits.h>

#include <string.h>

#include <utility>

#include <cmath>

#include <sstream>

#include <functional>

#include <algorithm>

#include <cstdint>

#ifdef JPH_COMPILER_MSVC

    #include <malloc.h> // for alloca

#endif

#if defined(JPH_USE_SSE)

    #include <immintrin.h>

#elif defined(JPH_USE_NEON)

    #ifdef JPH_COMPILER_MSVC

        #include <intrin.h>

        #include <arm64_neon.h>

    #else

        #include <arm_neon.h>

    #endif

#endif

JPH_SUPPRESS_WARNINGS_STD_END


JPH_NAMESPACE_BEGIN


// Commonly used STL types

using std::pair;

using std::min;

using std::max;

using std::abs;

using std::sqrt;

using std::ceil;

using std::floor;

using std::trunc;

using std::round;

using std::fmod;

using std::swap;

using std::size;

using std::string;

using std::string_view;

using std::function;

using std::numeric_limits;

using std::isfinite;

using std::isnan;

using std::is_trivial;

using std::is_trivially_constructible;

using std::is_trivially_destructible;

using std::ostream;

using std::istream;


// Standard types

using uint = unsigned int;

using uint8 = std::uint8_t;

using uint16 = std::uint16_t;

using uint32 = std::uint32_t;

using uint64 = std::uint64_t;


// Assert sizes of types

static_assert(sizeof(uint) >= 4, "Invalid size of uint");

static_assert(sizeof(uint8) == 1, "Invalid size of uint8");

static_assert(sizeof(uint16) == 2, "Invalid size of uint16");

static_assert(sizeof(uint32) == 4, "Invalid size of uint32");

static_assert(sizeof(uint64) == 8, "Invalid size of uint64");

static_assert(sizeof(void *) == (JPH_CPU_ADDRESS_BITS == 64? 8 : 4), "Invalid size of pointer" );


// Determine if we want extra debugging code to be active

#if !defined(NDEBUG) && !defined(JPH_NO_DEBUG)

    #define JPH_DEBUG

#endif


// Define inline macro

#if defined(JPH_NO_FORCE_INLINE)

    #define JPH_INLINE inline

#elif defined(JPH_COMPILER_CLANG)

    #define JPH_INLINE __inline__ __attribute__((always_inline))

#elif defined(JPH_COMPILER_GCC)

    // On gcc 14 using always_inline in debug mode causes error: "inlining failed in call to 'always_inline' 'XXX': function not considered for inlining"

    // See: https://github.com/jrouwe/JoltPhysics/issues/1096

    #if __GNUC__ >= 14 && defined(JPH_DEBUG)

        #define JPH_INLINE inline

    #else

        #define JPH_INLINE __inline__ __attribute__((always_inline))

    #endif

#elif defined(JPH_COMPILER_MSVC)

    #define JPH_INLINE __forceinline

#else

    #error Undefined

#endif


// Cache line size (used for aligning to cache line)

#ifndef JPH_CACHE_LINE_SIZE

    #define JPH_CACHE_LINE_SIZE 64

#endif


// Define macro to get current function name

#if defined(JPH_COMPILER_CLANG) || defined(JPH_COMPILER_GCC)

    #define JPH_FUNCTION_NAME   __PRETTY_FUNCTION__

#elif defined(JPH_COMPILER_MSVC)

    #define JPH_FUNCTION_NAME   __FUNCTION__

#else

    #error Undefined

#endif


// Stack allocation

#define JPH_STACK_ALLOC(n)      alloca(n)


// Shorthand for #ifdef JPH_DEBUG / #endif

#ifdef JPH_DEBUG

    #define JPH_IF_DEBUG(...)   __VA_ARGS__

    #define JPH_IF_NOT_DEBUG(...)

#else

    #define JPH_IF_DEBUG(...)

    #define JPH_IF_NOT_DEBUG(...) __VA_ARGS__

#endif


// Shorthand for #ifdef JPH_FLOATING_POINT_EXCEPTIONS_ENABLED / #endif

#ifdef JPH_FLOATING_POINT_EXCEPTIONS_ENABLED

    #define JPH_IF_FLOATING_POINT_EXCEPTIONS_ENABLED(...)   __VA_ARGS__

#else

    #define JPH_IF_FLOATING_POINT_EXCEPTIONS_ENABLED(...)

#endif


// Helper macros to detect if we're running in single or double precision mode

#ifdef JPH_DOUBLE_PRECISION

    #define JPH_IF_SINGLE_PRECISION(...)

    #define JPH_IF_SINGLE_PRECISION_ELSE(s, d) d

    #define JPH_IF_DOUBLE_PRECISION(...) __VA_ARGS__

#else

    #define JPH_IF_SINGLE_PRECISION(...) __VA_ARGS__

    #define JPH_IF_SINGLE_PRECISION_ELSE(s, d) s

    #define JPH_IF_DOUBLE_PRECISION(...)

#endif


// Helper macro to detect if the debug renderer is active

#ifdef JPH_DEBUG_RENDERER

    #define JPH_IF_DEBUG_RENDERER(...) __VA_ARGS__

    #define JPH_IF_NOT_DEBUG_RENDERER(...)

#else

    #define JPH_IF_DEBUG_RENDERER(...)

    #define JPH_IF_NOT_DEBUG_RENDERER(...) __VA_ARGS__

#endif


// Macro to indicate that a parameter / variable is unused

#define JPH_UNUSED(x)           (void)x


// Macro to enable floating point precise mode and to disable fused multiply add instructions

#if defined(JPH_COMPILER_GCC) || defined(JPH_CROSS_PLATFORM_DETERMINISTIC)

    // We compile without -ffast-math and -ffp-contract=fast, so we don't need to disable anything

    #define JPH_PRECISE_MATH_ON

    #define JPH_PRECISE_MATH_OFF

#elif defined(JPH_COMPILER_CLANG)

    // We compile without -ffast-math because pragma float_control(precise, on) doesn't seem to actually negate all of the -ffast-math effects and causes the unit tests to fail (even if the pragma is added to all files)

    // On clang 14 and later we can turn off float contraction through a pragma (before it was buggy), so if FMA is on we can disable it through this macro

    #if (defined(JPH_CPU_ARM) && !defined(JPH_PLATFORM_ANDROID) && __clang_major__ >= 16) || (defined(JPH_CPU_X86) && __clang_major__ >= 14)

        #define JPH_PRECISE_MATH_ON                     \

            _Pragma("float_control(precise, on, push)") \

            _Pragma("clang fp contract(off)")

        #define JPH_PRECISE_MATH_OFF                    \

            _Pragma("float_control(pop)")

    #elif __clang_major__ >= 14 && (defined(JPH_USE_FMADD) || defined(FP_FAST_FMA))

        #define JPH_PRECISE_MATH_ON                     \

            _Pragma("clang fp contract(off)")

        #define JPH_PRECISE_MATH_OFF                    \

            _Pragma("clang fp contract(on)")

    #else

        #define JPH_PRECISE_MATH_ON

        #define JPH_PRECISE_MATH_OFF

    #endif

#elif defined(JPH_COMPILER_MSVC)

    // Unfortunately there is no way to push the state of fp_contract, so we have to assume it was turned on before JPH_PRECISE_MATH_ON

    #define JPH_PRECISE_MATH_ON                         \

        __pragma(float_control(precise, on, push))      \

        __pragma(fp_contract(off))

    #define JPH_PRECISE_MATH_OFF                        \

        __pragma(fp_contract(on))                       \

        __pragma(float_control(pop))

#else

    #error Undefined

#endif


JPH_NAMESPACE_END

uint8
std::uint8_t uint8
Definition: Core.h:453

JPH_SUPPRESS_WARNINGS_STD_BEGIN
#define JPH_SUPPRESS_WARNINGS_STD_BEGIN
Definition: Core.h:383

JPH_SUPPRESS_WARNINGS_STD_END
#define JPH_SUPPRESS_WARNINGS_STD_END
Definition: Core.h:395

uint64
std::uint64_t uint64
Definition: Core.h:456

uint
unsigned int uint
Definition: Core.h:452

JPH_NAMESPACE_END
#define JPH_NAMESPACE_END
Definition: Core.h:378

uint32
std::uint32_t uint32
Definition: Core.h:455

JPH_NAMESPACE_BEGIN
#define JPH_NAMESPACE_BEGIN
Definition: Core.h:372

uint16
std::uint16_t uint16
Definition: Core.h:454